CN116602802B - Implants and Implant Systems - Google Patents

Abstract

The present disclosure provides an implant and an implant system. The implant includes a stent, a wireless sensor, and a connector. The stent is used for being arranged at a target site to improve the physiological function of organisms. The bracket comprises a main body formed by a plurality of elastic curve sections and at least one joint section, wherein the joint section is arranged in a preset area of the main body and is connected with a part of at least one elastic curve section; the wireless sensor comprises a detection element and a wireless signal transmission element, wherein the detection element is used for acquiring a target physiological parameter, and the wireless signal transmission element is used for transmitting the target physiological parameter acquired by the detection element to the outside of the organism; the connecting piece is used for connecting the wireless sensor and the bracket; the connecting member includes a first connecting portion and a second connecting portion connected to each other, the first connecting portion connecting the wireless sensor, the second connecting portion connecting the joint section, so that the wireless sensor is attached to the outer peripheral surface of the bracket in a predetermined area.

Description

Implants and Implant Systems

Technical field

The present invention relates to the technical field of interventional medical devices, and in particular, to an implant and an implant system.

Background technique

Heart failure is a clinical syndrome caused by abnormal ventricular filling and ejection function. The main manifestations of heart failure are dyspnea, fatigue, and fluid retention (pulmonary congestion, systemic circulation congestion, and peripheral edema). Heart failure can be divided into three categories, namely heart failure with reduced ejection fraction, heart failure with mildly reduced ejection fraction, and heart failure with preserved ejection fraction. According to the 2012-2015 China Heart Failure Epidemiological Survey, the weighted prevalence rate of heart failure among Chinese residents over 35 years old was 1.3%, or approximately 13.7 million. Among them, 52.7% of the patients had heart failure with reduced ejection fraction, 23.9% of the patients had heart failure with mildly reduced ejection fraction, and 23.4% of the patients had heart failure with preserved ejection fraction. In patients with chronic heart failure with preserved or reduced ejection fraction, persistent elevation of left atrial pressure is the main cause of pulmonary congestion, and 90% of heart failure patients are hospitalized for this reason.

Atrial shunting is a method to improve left atrial hypertension by creating a hole in the interatrial septum to guide blood flow from the left atrium to the right atrium, thereby reducing the load on the left atrium. Atrial shunts are divided into implant shunts and non-implant shunts. Implant shunting requires the implant to be anchored in an artificially created atrial septal hole to keep the hole open. Currently, atrial septal perforation and implant fixation are generally performed through vascular intervention. The specific process is to accommodate the device or shunt in the catheter, and then send the device or shunt along with the catheter to the heart disease site through the human artery or vein for operation. Since the diameter of blood vessels is limited, the diameter of the corresponding catheter is also limited. Therefore, the shunt needs to be kept in a compressed state in the catheter first, and then when it is delivered to the target site, it will be dislodged from the catheter and automatically or passively expand to a predetermined size.

In addition to the above-mentioned shunts suitable for patients with heart failure, for patients with cardiovascular disease, there are other stent implants suitable for placement in the heart or blood vessels. For example, some patients need to install occluders in the heart or blood vessels to improve their heart health. Vascular function, patients with vascular stenosis may need to have vascular stents implanted. However, in addition to treating related symptoms through implants, it is also of interest to monitor the patient's cardiovascular hemodynamic parameters. For example, for patients with heart failure, in addition to surgical treatment, atrial pressure monitoring is also an important health management method. However, how to combine pressure monitoring devices with these stent-like implants is a major technical difficulty in this field. The applicant found that if the pressure monitoring device is installed in a bracket, since the bracket is usually a mesh structure made of metal wires braided or cut from pipes, the mesh structure will interfere with or even block the wireless signal transmission of the pressure monitoring device. If the pressure monitoring device is installed axially at the proximal or distal end of the stent, the pressure monitoring device will increase the length of the overall structure, hinder the normal flow of blood flow, affect the size of the stent port, and create the risk of long-term stenosis.

Contents of the invention

In view of this, the present disclosure provides an implant and an implant system to solve at least some of the above problems.

In a first aspect, the present disclosure provides an implant for implanting into a target site in a living body, including a stent, a wireless sensor and a connector. The stent is used to be placed at a target site to improve the physiological function of a living body. The stent includes a main body formed by a plurality of elastic curve segments. The plurality of elastic curve segments include at least one joint segment. The joint segment is disposed in a predetermined area of the main body and is connected with the main body. At least a part of the elastic curve segment is connected; the wireless sensor includes a detection element and a wireless signal transmission element, the detection element is used to obtain the target physiological parameters, and the wireless signal transmission element is used to transmit the target physiological parameters obtained by the detection element to the living body External; the connecting piece is used to connect the wireless sensor and the bracket; the connecting piece includes a connected first connecting part and a second connecting part, the first connecting part is connected to the wireless sensor, and the second connecting part is connected to the joint section, so that the wireless sensor is connected at a predetermined time The area is attached to the outer circumference of the stent.

In a possible implementation, the second connecting part includes a clamped part, and the engaging segment is inserted into the second connecting part to clamp the clamped part; the engaging segment and the part of at least one elastic curve segment Formed in one piece, the joint section forces the clamped part to abut against the outer peripheral surface of the main body through its own elasticity, and/or the joint section forces the clamped part to abut against the outer peripheral surface of the main body through adhesive.

Combined with the above possible implementation manner, in another possible implementation manner, the bracket and the wireless sensor are arranged side by side.

In combination with the above possible implementation, in another possible implementation, the second connection part includes a sheet part, the sheet part has an edge part, the edge part forms a clamped part, and the joint section is in the form of clamping the edge part Connected to the sheet part.

In conjunction with the above possible implementation, in another possible implementation, the edge portion is located in an edge area of the sheet portion or in an edge area of an opening formed on the sheet portion.

Combined with the above possible implementation manner, in another possible implementation manner, the connecting member is an annular sleeve, a part of the annular sleeve is the first connection part, and the other part of the annular sleeve is the second connection part; the edge part of the sheet part The edge portion of the sheet portion is formed by an edge portion of the annular sleeve, or the annular sleeve is provided with an opening.

In combination with the above possible implementation, in another possible implementation, the annular set and the wireless signal transmission element at least partially overlap in the axial direction, the annular set is a non-metallic sleeve, and the cross-section of the non-metallic sleeve is a closed structure Or a non-closed structure, or the annular set is a metal sleeve, and the cross section of the metal sleeve is a non-closed structure.

Combined with the above possible implementation, in another possible implementation, the annular sleeve completely covers the wireless sensor in the axial direction, and a detection element is exposed on the end face of the wireless sensor, and the detection element is used to detect pressure.

In combination with the above possible implementation, in another possible implementation, the elastic curve segment forms the main body by extending in the circumferential direction and the axial direction, and the elastic curve segment at least includes a wavy segment, and a part of the wavy segment forms a joint segment.

In conjunction with the above possible implementation manner, in another possible implementation manner, the predetermined trough portion and/or crest portion of the wave segment forms a joint segment.

In combination with the above possible implementation, in another possible implementation, the joint section includes a first joint section and a second joint section, the second connection section includes a clamped section, and the first joint section and the second joint section respectively Clamp the clamped part from two opposite directions.

In combination with the above possible implementation, in another possible implementation, the elastic curve segment forms the main body by extending in the circumferential direction and the axial direction, and the elastic curve segment at least includes a wave segment, and the predetermined length of the wave segment The location has a circuitous section. The circuitous section is disconnected in the middle and forms a first joint section and a second joint section. The first joint section and the second joint section include ends that are bent and turned back. The first joint section and the second joint section The respective bent and folded ends are nested in each other.

In combination with the above possible implementation manner, in another possible implementation manner, the connecting member is an annular sleeve, a part of the annular sleeve is a first connection part, and the other part of the annular sleeve is a second connection part; the annular sleeve is provided with a shaft on the shaft Toward the first opening and the second opening having a predetermined distance, the first engaging section and the second engaging section are respectively inserted between the annular sleeve and the wireless sensor through the first opening and the second opening.

In combination with the above possible implementation, in another possible implementation, the stent is an atrial shunt, and the main body is a barrel for shunting, and the barrel is formed by extending the elastic curve segment in an annular and/or spiral form.

In combination with the above possible implementation, in another possible implementation, the barrel is a network structure formed by elastic curve segments, and the barrel is configured to be able to resiliently deform in the radial direction while maintaining the same circumference.

In conjunction with the above possible implementation, in another possible implementation, the barrel is configured to be resiliently compressed along the first radial direction within the restricted space, and/or the barrel is configured to be in The cross-sectional shape when compressed along the first radial direction in the restricted space is C-shaped.

In combination with the above possible implementation manner, in another possible implementation manner, the wireless sensor is parallel to the main body, and/or the wireless sensor is connected to the main body circumferentially.

In combination with the above possible implementation manner, in another possible implementation manner, the bracket further includes a clamping arm group, the clamping arm group at least includes a first clamping arm and a second clamping arm, the first clamping arm and the third clamping arm. The two clamping arms are spaced along the axial direction of the main body and are distributed on the outer circumference of the main body. The first clamping arm and the second clamping arm each form a cantilever protruding from the outer circumference of the main body.

In conjunction with the above possible implementation, in another possible implementation, the first clamping arm and/or the second clamping arm are formed by bending elastic metal wires, and/or the first clamping arm and/or The second clamping arm has a U-shaped or V-shaped structure formed by an elastic metal wire extending a predetermined distance in the radial direction and then folded back.

In combination with the above possible implementation, in another possible implementation, the elastic metal wire constituting the first clamping arm and/or the second clamping arm is connected with the first clamping arm and/or the second clamping arm. The elastic metal wire of the barrel to which the base of the arm is attached is the same elastic metal wire, and/or the first clamping arm and/or the second clamping arm have a predetermined distance from the end of the respective adjacent barrel.

Combined with the above possible implementation, in another possible implementation, the free end of the first clamping arm and the free end of the second clamping arm overlap in axial projection, and the fixed end of the first clamping arm overlaps with the free end of the second clamping arm. The fixed ends of the second clamping arms are offset in axial projection.

In combination with the above possible implementation manner, in another possible implementation manner, the stent further includes a covering film, and the covering film is laid on the inside and/or outside of the main body. When the covering film is laid on the outside of the main body, the covering film has an exposed Notch in the joint section.

Combined with the above possible implementation manner, in another possible implementation manner, the connecting piece is made of polymer material, and the wireless sensor and the bracket are fixed through a heat shrink process.

In a second aspect, an implant system is provided, including a delivery catheter and an implant. The implant is the implant described in any one of the first aspects. When the implant is placed in the catheter, it is in a compressed state. The stent is compressed into a C-shaped cross-section. The outer surface of the compressed stent is at least Partially surrounding the wireless sensor, the implant can extend out of the catheter.

In a possible implementation, a signal receiving device is further included, and the signal receiving device is configured to receive signals from wireless sensors in the implant.

The implant provided by the present disclosure is used to be implanted into a target site in a living body. Implants include stents, wireless sensors and connectors. The stent is used to connect to a target site to improve the physiological function of a living body. The stent includes at least one joint section of a main body formed by a plurality of elastic curve sections. The joint section is arranged in a predetermined area of the main body and is connected with at least one of the elastic curve sections. A part of the curve segments are connected; the wireless sensor includes a detection element and a wireless signal transmission element, the detection element is used to obtain the target physiological parameters, and the wireless signal transmission element is used to transmit the target physiological parameters obtained by the detection element to the outside of the organism; the connector is used For connecting the wireless sensor and the bracket; the connecting piece includes a connected first connecting part and a second connecting part, the first connecting part is connected to the wireless sensor, and the second connecting part is connected to the joint section, so that the wireless sensor is attached to the bracket in a predetermined area Peripheral surface. The wireless sensors are set on the periphery of the bracket so that the bracket itself will not block wireless signals. Furthermore, the wireless sensor is fixed to the surface of the bracket through the joint section connected to the elastic curve section and the connecting piece, and the connection structure is simple, reliable and compact.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present disclosure more clearly, the drawings required to be used in the embodiments will be briefly introduced below.

It should be understood that the following drawings illustrate only certain embodiments of the present disclosure and should not be considered limiting of scope.

It will also be understood that the same or similar reference numbers are used in the drawings to refer to the same or similar elements.

It should also be understood that the drawings are schematic only and that the dimensions and proportions of elements in the drawings are not necessarily precise.

Figure 1 is a schematic structural diagram of a target site in a living body according to an embodiment of the present disclosure.

Figure 2 is a schematic structural diagram of an implant according to an embodiment of the present disclosure.

Figure 3 is a schematic structural diagram of the implant in Figure 2 with the wireless sensor hidden.

FIG. 4 is a partially enlarged schematic view of the connection method between the connector and the bracket in FIG. 2 .

Figure 5 is an end elevational view of the implant of Figure 1 .

Figure 6 is a schematic diagram of the compressed state of the implant located in the delivery tube according to an embodiment of the present disclosure.

Figure 7 is a schematic cross-sectional view of the delivery tube and implant of Figure 6.

Figure 8 is a schematic diagram of the delivery tube containing the implant reaching the target site.

Figure 9 is a schematic view of the implant with one end extending from the delivery tube and some clamping arms.

Figure 10 is a schematic view of the delivery tube being withdrawn so that the implant's clamping arm reaches the interatrial septal surface.

Figure 11 is a schematic diagram when the delivery tube is removed and the implant is installed at the target site.

Figure 12 is a schematic structural diagram of an implant according to another embodiment of the present disclosure.

Figure 13 is a view of the implant of Figure 12 from another angle.

Figure 14 is an enlarged view of the connection structure of the connecting piece and the main body in Figure 12.

Figure 15 is a schematic structural diagram of the main body and covering of the implant in Figure 12.

Figure 16 is a schematic structural diagram of a wireless sensor, a connector and a joint section in an implant according to another embodiment of the present disclosure.

Figure 17 is a schematic structural diagram of a wireless sensor, a connector and a joint section in an implant according to another embodiment of the present disclosure.

Figure 18 is a schematic structural diagram of a wireless sensor, a connecting piece and a joint section in an implant according to another embodiment of the present disclosure.

Figure 19 is a schematic structural diagram of a wireless sensor, a connecting piece and a joint section in an implant according to another embodiment of the present disclosure.

Figure 20 is a schematic structural diagram of a wireless sensor, connecting piece and joint section in an optional embodiment.

Figure 21 is a schematic structural diagram of a connector in an optional embodiment.

Figure 22a is a schematic diagram of the longitudinal cross-sectional shape of a stent in an optional embodiment.

Figure 22b is a schematic diagram of the longitudinal cross-sectional shape of the stent in another optional embodiment.

Figure 22c is a schematic diagram of the longitudinal cross-sectional shape of the stent in another optional embodiment.

Figure 22d is a schematic diagram of the longitudinal cross-sectional shape of the stent in another optional embodiment.

Figure 22e is a schematic diagram of the longitudinal cross-sectional shape of the stent in another optional embodiment.

Detailed ways

The embodiments of the present disclosure are exemplarily described below with reference to the accompanying drawings. It should be understood that the present disclosure may be implemented in various ways and should not be construed as being limited to the embodiments set forth here. The embodiments set forth here are only for a more thorough and complete understanding of the present disclosure.

It should be understood that the term "include" and its variations used in this disclosure are open-ended inclusion, that is, "including but not limited to." The term "based on" means "based at least in part on."

It will be understood that, although the terms "first" or "second" and the like may be used to describe various elements in this disclosure, these elements are not limited by these terms, which are only used to distinguish one element from another element. open.

Embodiments of the present disclosure provide an implant for implanting into a living body to improve the physiological functions of the living body and obtain target physiological parameters at the same time. Implants include stents, wireless sensors and connectors. The scaffold is used to be placed at a target site to improve the physiological function of the organism. The stent can be a mesh structure such as a shunt, an occluder or a vascular stent. The bracket at least includes a main body formed by a plurality of elastic curve segments. The "elastic curve segment" here refers to a wire segment that is elastic and presents a curve as a whole, but the local area of the "elastic curve segment" can still show a straight line shape, and multiple elastic curve segments can also be made of the same wire or It is formed by multiple different wires, such as braided metal wires, which is not limited by the present invention. Wireless sensors include electrically connected detection components and wireless signal transmission components. The detection element is used to obtain target physiological parameters. The wireless signal transmission element is used to transmit the target physiological parameters obtained by the detection element to the outside of the living body. The connecting piece is used to connect the wireless sensor and the bracket, so that the wireless sensor is arranged outside the bracket and abuts against the outer peripheral surface of the bracket. With such an arrangement, the bracket will not affect the signal transmission of the wireless sensor, and the wireless sensor will not affect the port size at both ends of the bracket. Especially when the bracket is a splitter, the splitting ability of the bracket will not be affected.

The bracket can be fixed with the wireless sensor through various methods such as crimping, bonding, suture connection, and welding. In this embodiment, the bracket and the wireless sensor are fixed through a specially designed connecting piece. The connecting piece includes a first connecting part and a second connecting part that are connected to each other. The first connecting part is connected to the wireless sensor, and the second connecting part is connected to the elasticity of the bracket. curve segment. Specifically, the bracket further includes at least one joint section, which is disposed in a predetermined area of the main body and connected to a part of at least one of the elastic curve sections, and the joint section is inserted into the second connecting portion to attach the connector to the bracket in the predetermined area. On the surface, the wireless sensor is held on the periphery of the bracket through the connecting piece and is arranged approximately side by side with the bracket. The wireless sensor is fixed to the surface of the bracket by cooperating with the joint section connected to the elastic curve section and the connector. The connection structure is simple, reliable and compact, and the elastic curve section itself is part of the bracket, and there is no need to set up other additional structures to connect with the connector. It does not significantly increase the radial size of the implant and further reduces the risk of thrombosis.

Figure 1 is a schematic structural diagram of a target site m1 in a living body according to an embodiment of the present disclosure. Specifically, the target site m1 is a hole located on the interatrial septum m2 between the left atrium and the right atrium. The hole can be an unclosed foramen ovale or an artificial hole. In some patients with heart failure, the hole can reduce pressure in the left atrium and relieve heart failure symptoms. The stent provided by the embodiment of the present disclosure is a shunt, and the shunt can be disposed in the hole to maintain the shape of the hole and guide blood to flow from the left atrium to the right atrium. Preferably, the wireless sensor is disposed at the middle position of the outer circumferential surface of the shunt. Therefore, when the implant in this embodiment is disposed on the interatrial septum m2, the wireless sensor and the stent are disposed in the target site m1 together with The target parts are close to each other. Furthermore, two detection elements can be provided at both ends of the wireless sensor to simultaneously obtain the pressure of the left atrium and the right atrium.

Referring to FIGS. 2 to 5 , FIGS. 2 to 5 are schematic structural diagrams of an implant according to an embodiment of the present disclosure. In this embodiment, the implant includes a stent 100 and a wireless sensor 200 . Figure 2 is a schematic structural diagram of an implant according to an embodiment of the present disclosure. FIG. 3 is a schematic structural diagram of the implant in FIG. 2 with the wireless sensor 200 hidden. FIG. 4 is a partially enlarged schematic diagram of the connection method between the connector 300 and the bracket 100 in FIG. 2 . Figure 5 is an end elevational view of the implant of Figure 1 .

The implant includes a stent 100, a wireless sensor 200, and a connector 300. The bracket 100 and the wireless sensor 200 are arranged side by side, and the connector 300 connects them as one body. It should be understood that the "side-by-side arrangement" in the present invention is not limited to a parallel arrangement. The bracket 100 and the wireless sensor may also have a positional relationship with a predetermined angle (but not a vertical positional relationship). Of course, preferably, the bracket 100 and the wireless sensor 200 are arranged in parallel, and as shown in Figure 5, when the main body of the bracket has a cylindrical structure and the wireless sensor 200 also has a cylindrical structure, the joint section and the connecting piece Under the action of , the wireless sensor 200 and the bracket 100 present an external shape. This design allows the implant to have a smaller radial size during delivery, making it easier to be pressed and held within the delivery device.

In this embodiment, the bracket 100 includes a main body 110 , a first clamping arm 112 , a second clamping arm 113 and a covering film 120 . The main body 110 is a cylindrical structure made of metal wires and is generally cylindrical. The coating 120 is laid on the inner surface of the main body 110 . The first clamping arm 112 and the second clamping arm 113 extend radially outward from the surface of the main body 110 to form a cantilever structure. The first clamping arm 112 and the second clamping arm 113 form at least one clamping arm group, and they are used to be distributed on both sides of the interatrial septum m2 to clamp the interatrial septum m2. The main body 110 , the first clamping arm 112 and the second clamping arm 113 are all formed by winding and bending elastic curve segments 101 . Specifically, the main body 110 is divided into an upper cylinder and a lower cylinder. The number of the first clamping arms 112 and the second clamping arms 113 is both three. The three first clamping arms 112 are evenly distributed on the surface of the upper barrel. The three second clamping arms 113 are evenly distributed on the surface of the lower barrel. Part of the elastic curve segment 101 extends in a wavy shape in the axial direction and extends in the circumferential direction to form a mesh cylinder; the other part of the elastic curve segment 101 extends radially outward from the surface of the mesh cylinder and then folds back to the surface of the cylinder. Form a U-shaped clamping arm.

In some optional embodiments, the main body 110 may also be cut from metal. The number of each of the first clamping arms 112 and the second clamping arms 113 may also be greater than 3 or less than 3, such as 2, as long as the clamping function can be achieved. The elastic curve segment 101 can also take on other forms, which is not limited by the present invention.

Further, three first clamping arms 112 and three second clamping arms 113 form three clamping arm groups. The first clamping arm 112 and the second clamping arm 113 of each clamping arm group are spaced apart in the axial direction. The first clamping arm 112 has a predetermined distance from the first end (upper end in FIG. 2 ) of the main body 110 . The second clamping arm 113 has a predetermined distance from the second end (lower end in FIG. 2 ) of the main body 110 . The free end of the first clamping arm 112 and the free end of the second clamping arm 113 overlap in the axial projection, and the fixed end of the first clamping arm 112 and the fixed end of the second clamping arm 113 overlap in the axial projection. By staggering, a larger clamping area (the area of the clamping area formed by the first clamping arm 112 and the second clamping arm 113 together) is achieved, and a better clamping effect is obtained. The fixed end of the first clamping arm 112 and the fixed end of the second clamping arm 113 are the ends where the first clamping arm 112 and the second clamping arm 113 are connected to the main body 110 . The upper cylinder and the lower cylinder are coaxially distributed, and the two can be connected through the coating 120 and/or the elastic curve segment. The elastic curve section of the lower barrel extends in an annular form in the circumferential direction at the initial stage, and extends upward in a spiral form after one circle. The elastic curve section of the upper barrel extends upward in a spiral form in the circumferential direction in the initial stage, and extends in an annular form in the final circle. In the above embodiment, the axial distance of the clamping arms is 3 mm. The optional range of axial distance is greater than 0mm and less than or equal to 3mm. In the above embodiment, the elastic metal wire constituting the clamping arm and the elastic metal wire of the cylinder attached to the base of the clamping arm are the same elastic metal wire. In some optional embodiments, the clamping arm can be a separate U-shaped or V-shaped part that is welded to the elastic curve section of the barrel.

The clamping arm design in this embodiment is different from the waist-shaped or flange structure anchoring design in the prior art. It can effectively reduce the volume of the shunt device in the cavity and the contact area with the anchor point, and avoid causing damage to the blood flow. It has no adverse effects and can firmly anchor the subject in the target part.

In this embodiment, the length of the coating 120 is equal to the sum of the lengths of the upper tube and the lower tube. Since the coating 120 has a cylindrical structure and has a certain strength, it can also strengthen the main body 110 when it is laid on the inner/outer surface of the main body 110 The strength and the connection strength between the upper tube and the lower tube can maintain the preset shape of the elastic curve segment, thereby maintaining the shape of the main body 110. The coating 120 makes the inner cavity of the cylinder smooth, prevents the proliferation of interatrial septal tissue from clogging the cylinder cavity, and keeps the cylinder cavity smooth. The material of the coating 120 can be polymer material or biological material, and is not limited to polyester, polytetrafluoroethylene, animal pericardium, etc. A coating can be provided on the surface of the coating 120 to improve surface smoothness and improve long-term patency. In some optional embodiments, the coating 120 can also be disposed on the outer surface of the main body 110 . In other optional embodiments, a layer of coating 120 may be provided on both the inner surface and the outer surface of the main body 110 . Another beneficial effect of the coating 120 is to produce an insulation effect, which can isolate the main body 110 and the wireless sensor 200 to a certain extent to avoid signal interference. The covering film 120 and the main body 110 may be connected by heat pressing or sewing. In order to distinguish the coating 120 and the main body 110 more clearly in the figure, the thickness of the coating 120 is deliberately enlarged and the coating 120 is shown on the inner surface of the main body 110. The actual thickness is smaller than the illustrated size.

Those skilled in the art can understand that although in this embodiment, the above-mentioned bracket 100 and the wireless sensor 200 are connected through the connector 300, in other embodiments, the above-mentioned bracket 100 can also be used as an independent shunt.

In this embodiment, the joint section includes a first joint section and a second joint section, which are integrally formed with respective parts of the two elastic curve sections. In other words, the first joint section is formed by a natural extension of a part of the elastic curve section. The second joint section is formed by a natural extension of a part of another elastic curve section. Please refer to Figures 3 and 4. In the middle of the main body 110, the initial section (upper) of the elastic curve section of the lower tube forms the first joint section 114, and the end section (lower) of the elastic curve section of the upper tube forms the second joint section. 115.

Referring to FIG. 2 , the wireless sensor 200 includes a detection element 210 and a wireless signal transmission element 220 . The detection element 210 may be a pressure detection element that can measure, for example, the pressure of blood flow. The detection element 210 is disposed at one end of the wireless sensor 200 for monitoring the pressure of the left atrium. The wireless signal transmission element 220 is used to transmit the signals collected by the detection element 210 to the outside of the human body in the form of electromagnetic waves. The detection element 210 and the wireless signal transmission element 220 are integrated by a sealing structure. In other embodiments, two detection elements 210 can also be disposed at both ends of the wireless sensor 200 to detect the pressure of the left atrium and the right atrium, and the wireless signal transmission element 220 is disposed between the two detection elements 210 .

Please refer to Figures 3 and 4. In this embodiment, the connecting member 300 is an annular set. A partial section of the annular set slightly protrudes outward to form a second connecting part 320. The other parts except the second connecting part 320 are first connections. Department 310. The outward protruding shape of the second connecting portion 320 may be formed by pulling the bracket 100 and the wireless sensor 200 after the connector 300 connects the bracket 100 and the wireless sensor 200, or may be a permanent protrusion provided during manufacturing. The first connection part 310 is arranged around the middle part of the wireless sensor 200 . The second connecting part 320 is a sheet structure as a whole, including a sheet part 321 . The sheet portion 321 has a substantially rectangular shape. The sheet portion 321 has two parallel edges, an upper edge and a lower edge perpendicular to the axis of the annular sleeve. The upper edge and at least part of the area adjacent thereto form one edge part 322 , and the lower edge and at least part of the area adjacent thereto form another edge part 322 . The two edge portions 322 are used to be clamped by the first engaging section 114 and the second engaging section 115 , that is, the two edge portions 322 form a clamped portion 323 .

In this implementation, the width (dimension in the axial direction) of the annular set is small, and the length of the first joint section 114 and the second joint section 115 is large, so the first joint section 114 and the second joint section 115 each clamp two The two edge portions 322 , that is, the first joint section 114 and the second joint section 115 sandwich the entire axial direction area of the sheet portion 321 . In some optional embodiments, the axial dimension of the sheet portion 321 is larger, and/or the length of the first joint section 114 and/or the second joint section 115 is smaller, and the first joint section 114 can only clamp The lower edge corresponds to the edge portion 322 , while the second joint section 115 only clamps the upper edge corresponding to the edge portion 322 . Relative to the overall size of the connector, the protruding height of the second connecting portion 320 is very small. In some optional embodiments, the first connecting part can also be a complete cylindrical structure, and the second connecting part 320 can be regarded as being arranged to fit the outer contour of the first connecting part 310, so that the second connecting part 320 and the The size of a connecting portion 310 in the radial direction does not increase significantly. The so-called "fitting" here can be that two adjacent surfaces are in contact with each other (but can be separated by external forces, such as being separated by the insertion of a joint segment), or that the two adjacent surfaces have a small distance so that they can be used for the third time. A joint segment is inserted.

Through the above connection method, the second connecting part 320 of the connecting piece 300 is clamped between the first joining section 114, the second joining section 115 and the covering film 120, which is equivalent to pressing the second connecting part 320 against the surface of the main body 110; The bracket 100 and the wireless sensor 200 are connected together in parallel and circumferentially. Moreover, the first joint section 114 and the second joint section 115 are also clamped between the wireless sensor 200 and the second connection part 320 . Such a connection is simple and reliable, and facilitates the assembly and connection of tiny components such as the shunt. Moreover, the free ends of the first joint section 114 and the second joint section 115 point in opposite directions, which can also prevent the second connecting part 320 from falling off in the axial direction. The joint section on the surface of the stent 100 clamps the sheet structure on the surface of the wireless sensor 200. The size of the connection structure in the radial direction is very small, which allows the wireless sensor 200 to be tightly connected to the stent 100 without causing damage to the overall implant. Radial dimensions are too large.

The shape of the connector 300 is not limited to the structure described in the previous embodiments, as long as the first connector 310 can be fixedly connected to the wireless sensor 200 and the second connector 320 is disposed close to the surface of the first connector 310 and can be connected by the main body 110 . Just clamp the joint section. Therefore, the first connecting part 310 can also be a ring-shaped structure with an opening, which can hoop the wireless sensor 200; or a closed or unclosed box-shaped structure that is adapted to the shape of the wireless sensor 200, which can accommodate the wireless sensor. 200; or a structure adapted to the connected part of the wireless sensor 200, such as a buckle, thread or adhesive surface (of course, the wireless sensor itself needs to be provided with a corresponding slot, thread or adhesive). mating structures such as joints); and the second connecting portion 320 can be an arch structure or a cantilever structure that can be clamped by the joint section.

Preferably, the connecting member 300 is a sleeve, one part of which is the first connecting part and the other part is the second connecting part. When the connecting member 300 and the wireless signal transmission element 220 at least partially overlap in the axial direction, the connecting member 300 is a non-metallic sleeve, and the cross-section of the non-metallic sleeve is a closed structure (for example, an O-shaped structure) or not closed structure (such as a C-shaped structure), in this way, the impact of the connector 300 itself on signal transmission can be avoided; or the annular set is a metal sleeve, and the cross-section of the metal sleeve is a non-closed structure, which can also avoid the connector 300 300 itself affects signal transmission; when the connector 300 and the wireless signal transmission element 220 do not overlap at all in the axial direction, the material of the connector 300 is not limited.

Referring to Figure 11, the implant is shown when installed at the target site. The target site m1 is the hole connecting the left atrium and the right atrium. The implant is inserted into the hole as a whole, and is clamped on the interatrial septal tissue by the first clamping arm 112 and the second clamping arm 113 to prevent the implant from axially protruding from the target site m1. The detection element 210 is located in the left atrium and can detect the blood pressure of the left atrium. When the left atrium contracts, in addition to entering the left ventricle, part of the blood flow will also enter the right atrium through the lumen of the stent 100 . The wireless sensors 200 are arranged side by side outside the stent 100, so the wireless sensors 200 will not hinder the blood flow in the lumen of the stent 100 or at both ends; and the stent 100 does not surround the wireless sensors 200, so it will not hinder wireless signal transmission. The sensor 200 can be installed side by side in the atrial septal hole together with the stent 100, and will not occupy too much atrial space like the traditional axial series connection method. The connector 300 is tightly connected to the joint section of the stent 100, so that the stent 100 and the wireless sensor 200 are closely abutted against each other, which can not only enhance the connection strength of the two, but also reduce the radial size of the two, which is beneficial to the transvasculature. Interventional implantation procedures.

Refer to Figures 6 and 7. Figure 7 is a schematic diagram of the compressed state of the implant according to the previous embodiment when it is located in the delivery tube. Figure 8 is a schematic cross-sectional view of the delivery tube and implant of Figure 7. The stent 100 of the implant is formed by an elastic curve segment 101, so that the entire frame 100 can be deformed under external compression and return to its original shape after the external force is removed. The implant and the delivery tube used for interventional procedures form an implant system.

In the implant, the elastic curve segment forms the main body of the stent 100, making the entire stent 100 elastic. When the wireless sensor 200 applies pressure to the bracket 100 along the center line connecting the wireless sensor 200 and the bracket 100, the bracket 100 can be compressed, that is, the bracket 100 is resiliently deformed along the first radial direction in the restricted space (in The radial size in the direction of force application decreases, and the radial size perpendicular to the direction of force application increases. The "first radial direction" here refers to the radial direction consistent with the direction of force application). The wireless sensor 200 can Partially embedded in the recessed area of the bracket 100 . After the external force disappears, the bracket 100 will return to its original shape and the positional relationship with the wireless sensor 200 will be restored. During the process of placing the implant into the delivery tube 400, the wall of the delivery tube 400 exerts pressure on the stent 100 and the wireless sensor 200 in both the direction along the center line connecting the wireless sensor 200 and the stent 100 and in the direction perpendicular to this direction. , so that the bracket 100 is compressed along the first radial direction into a C-shaped cross-section, and the wireless sensor 200 is partially embedded in the recessed portion of the bracket 100 . Moreover, the first clamping arm 112 and the second clamping arm 113 are pressed along the longitudinal section to be close to the surface of the bracket 100 , that is, the free ends of the first clamping arm 112 and the second clamping arm 113 are each directed toward the surface of the bracket 100 The extension directions of both ends are close together. After the implant is placed in the delivery tube 400, the overall radial size is compressed; because of the compression deformation, the cylinder is flattened and the circumference of the cylinder remains unchanged. Rather than achieving radial size reduction through axial elongation, the axial size of the implant does not change significantly. An implant with a shorter length is more conducive to the bending of the delivery tube 400 and is beneficial to the convenience of the implantation process.

Referring to FIGS. 8 to 10 together, the surgical process of implanting a shunt into a target site via an interventional catheter is shown. FIG. 8 is a schematic diagram of the delivery tube 400 containing the implant reaching the target site m1. FIG. 9 is a schematic diagram of the implant extending out from the delivery tube 400 and the first clamping arm 112 . Figure 10 is a schematic view of the delivery tube 400 being withdrawn so that the first clamping arm 112 of the implant reaches the surface of the interventricular septum m2. FIG. 11 is a schematic diagram when the delivery tube 400 is removed and the implant is installed in the target site m1.

One end of the delivery tube 400 containing the implant enters the right atrium through a thick blood vessel of the human body, and enters the left atrium through the hole of the interatrial septum m2. In this position, one end of the implant is extended from the end of the delivery tube 400 by retracting the delivery tube or pushing the implant outward, and the first clamping arm 112 is deployed into a cantilevered state. After the first clamping arm 112 is deployed, the overall radial size of the implant is larger than the diameter of the hole in the interatrial septum m2. The delivery tube is then withdrawn, and the implant moves with the catheter until the first clamping arm 112 contacts the interatrial septum m2. If the delivery tube 400 continues to be withdrawn, due to the obstruction of the interatrial septum m2, the implant will remain in this position without retreating with the delivery tube 400. After the implant is completely separated from the delivery tube 400, the second clamping arm 113 will also be deployed, and the second clamping arm 113 and the first clamping arm 112 will retain the stent 100 and the wireless sensor 200 in the hole of the interatrial septum m2. And the stent 100 returns to its original shape along the radial direction, and its lumen allows blood flow from the left atrium to enter the right atrium. After the stent 100 is in place, the detection element 210 of the wireless sensor 200 can monitor the blood pressure of the left atrium in real time and transmit the relevant information to an external receiving device through the wireless signal transmission element 220 .

Refer to Figures 12 to 15. Figure 12 is a schematic structural diagram of an implant according to another embodiment of the present disclosure. Figure 13 is a view of the implant of Figure 12 from another angle. Figure 14 is an enlarged view of the connection structure of the connecting piece and the joint section in Figure 12. Fig. 15 is a schematic structural diagram of the main body of the implant in Fig. 12. The structure of the implant in this embodiment is basically the same as that in the previous embodiment, such as the first clamping arm 112a, the second clamping arm 113a and the covering film The arm 113 and the covering film 120 have the same structure, and the main difference between them lies in the structure of the connecting piece and the structure of the corresponding joint section on the main body. In order to facilitate the explanation of the structure of the connector, the sensor is hidden in the schematic diagram of this embodiment.

In this embodiment, the elastic curve segment 101a extends in the circumferential direction and the axial direction to form the main body of the stent 100a, and the elastic curve segment is curved in a wavy shape as a whole, including a plurality of wavy segments 102a. Among them, the trough part 114a of one wavy section 102a in the middle of the bracket 100a forms a first joint section, and the crest part 115a of another wavy section 102a in the middle of the bracket 100a forms a second joint section. The trough portion 114a and the crest portion 115a clamp a larger area in the axial and circumferential directions, have greater strength and clamping force, and can form a more stable connection.

The connecting piece 300a is a ring-shaped set with both ends penetrating. The width (axial dimension) of the annular sleeve in this embodiment is greater than the width of the annular sleeve in the embodiment shown in FIG. 2 . The annular sleeve includes two parts, one part is a sleeve body with a semi-open cross-section of two-thirds of a ring, which forms the first connecting part 310a; the other part is a semi-open, approximately rectangular sleeve body with a semi-open cross-section, which forms the second connecting part 310a. Connection part 320a. Of course, in other embodiments, a diaphragm may also be provided at the junction between the two to divide the sleeve body into two cavities. The first connection part 310a is provided around the wireless sensor. The second connecting portion 320a is used for clamping the first joint section 114a (trough portion) and the second joint section 115a (crest portion). The second connecting portion 320a is generally a rectangular film piece, which is pressed against the surface of the main body 100a by the first joining section 114a (trough portion) and the second joining section 115a (crest portion). The second connecting portion 320a can also be further bonded or sewn to the covering film 120a to enhance the connection strength.

Referring to FIG. 16, FIG. 16 is a schematic structural diagram of the connecting member 300b and the joint section 114b in the implant according to another embodiment of the present disclosure. In order to express the connection relationship between the connecting piece and the joint section more clearly, this embodiment only shows part of the elastic curve segment structure in the sensor 200b, the connecting piece 300b and the bracket, and other structures are omitted. The connecting piece 300b is a ring-shaped set and is made of polymer material. The upper edge and lower edge of a part of the annular set and the area therebetween form a clamped portion, which in this embodiment is the second connecting portion. The other part of the annular sleeve is the first connection part, which is fixed around the middle of the sensor 200b. The joint section 114b in the bracket is an inverted V-shaped structure formed by bending an elastic curve section, and is inserted between the second connecting part and the sensor 200b from the lower edge of the second connecting part. The length of the engaging section 114b is greater than the axial dimension of the connecting piece 300b, so one end of the engaging section 114b extends from between the connecting piece 300b and the sensor 200b.

Referring to Figure 17, the structures of the sensor 200b, the connector 300b and the joint section 114b shown in Figure 17 are basically the same as those shown in Figure 16, except that the top end and the two base ends of the joint section 114b pass through a suture structure. 600 is sutured on the covering of the shunt stent (not shown).

Referring to FIG. 18 , FIG. 18 is a schematic structural diagram of a connector and a joint section in an implant according to another embodiment of the present disclosure. In this embodiment, the sensor 200c is clamped by the connecting piece 300c, and the connecting piece 300c is connected to the first joint section 114c and the second joint section 115c. Specifically, two slit-shaped openings 324c are provided on the second connecting portion of the connecting piece 300c. The two openings 324c are parallel to the edge of the connecting piece 300c and have a predetermined distance in the axial direction. The first joint section 114c is a trough part, and the second joint section 115c is a crest part, and they are arranged oppositely. The first engaging section 114c and the second engaging section 115c are inserted between the connecting piece 300c and the sensor 200c from the two openings 324c. The respective edges of the two openings 324c and the area between them are the clamped parts.

Referring to FIG. 19 , FIG. 19 is a schematic structural diagram of a connector and a joint section in an implant according to another embodiment of the present disclosure. The sensor 200d and the connecting piece 300d in this embodiment are the same as the corresponding structures shown in Figure 17, except that the first joint section 114d and the second joint section 115d are different. The first joint section 114d and the second joint section 115d in this embodiment are similar in structure to the joint section shown in Figure 3, but different from the joint section of a single rod. In this embodiment, by making the elastic curve section in the wave section The end of the elastic curve segment extends in the length direction and is folded back to form a U-shaped joint segment. And the first joint section 114d and the second joint section 114d formed by the two ends being folded overlap in the length direction and are embedded in each other in the radial direction. The specific manufacturing process can be that two metal wires are bent separately and then fitted together, or the same metal wire can be provided with a roundabout section during the winding process, and the middle of the roundabout section can be cut or a section is cut off to make the roundabout section Two joint sections with a U-shaped structure are formed.

Referring to Figure 20, Figure 20 is a schematic structural diagram of the connecting piece 300d and the joint section in an optional embodiment. The connection method shown in Figure 20 is similar to the connection method shown in Figure 19, except that the first engaging section 114d and the second engaging section 115d are not inserted from the edge of the connecting piece 300d into the connecting piece 300d and the sensor 200d. between the two openings 324d provided in the connecting member 300d. Both openings 324d are rectangular and have a predetermined distance in the axial direction. In the connection method shown in Figure 19, the first joint section 114d and the second joint section 115d located below the connector 300d cannot be connected to the covering film on the bracket, so the strength of the bracket there will be weak. By arranging the opening 324d on the connecting piece 300d, the length of the first joining section 114d and the second joining section 114d covered by the connecting piece 300d can be reduced, so that the joining section has more area to be connected to the coating, and the stent is prevented from being The intensity there is significantly reduced. Moreover, since the first joint section 114d and the second joint section 114d are U-shaped bent structures, they have a larger area to clamp the connector 300d, and the connection strength with the connector can be further improved. In some optional embodiments, an adhesive connection may be further provided between the first joint section 114d, the second joint section 114d and the connecting piece 300d.

Referring to FIG. 21 , a schematic structural diagram of the connector 30 in an alternative embodiment is shown. The connecting piece 30 includes a first connecting part 31 and a second connecting part 32 . The structure of the connector 30 in this embodiment is basically the same as the structure of the connector 300 shown in FIG. 2 . The difference is that its axial size is larger, so that it can completely surround the wireless sensor in the axial direction. This arrangement can make the overall surface of the implant smoother, reduce holes or gaps, and reduce the chance of thrombosis. Preferably, the connector 30 is made of polymer material, which not only prevents its own influence on signal transmission, but also protects the wireless sensor from being damaged by the bracket during transportation.

In order to better connect the wireless sensor to the bracket, the connecting parts in the above embodiments can be made of heat-shrinkable materials. After being connected to the connecting parts through the joint section, the joint section is firmly connected to the connection through a heat-shrinking process. between the component and the wireless sensor, thereby achieving a stable connection between the wireless sensor and the bracket. In the above embodiments, the joint section and the elastic curve section are integrally formed as an example. However, those skilled in the art can understand that in other alternative embodiments, the joint section can also be made of a different material from the elastic curve section. For example, the elastic curve section is a metal wire, the joint section is a hard plastic pipe or a stainless steel sheet, etc., and the joint section and the elastic curve section are fixedly connected (for example, welded), and the object of the present invention can also be achieved. However, from the convenience of the processing technology and the use effect, it is preferred to form the joint section and the elastic curve section in one piece. Not only the connection structure is simple, reliable and compact; the elastic curve section itself is part of the bracket, and there is no need to set up other additional structures and The connector connection will not significantly increase the radial size of the implant, and can completely avoid safety issues caused by the connection firmness or smoothness of the additional joint section and the elastic curve section.

Referring to Figures 22a to 22e, some alternative embodiments of a stent are shown.

Figure 22a is a schematic diagram of the longitudinal cross-sectional shape of a stent in an optional embodiment. In this embodiment, the diameter of the middle part of the stent is smaller than the diameter of both ends, forming an X-shaped longitudinal cross-section. Figure 22b is a schematic diagram of the longitudinal cross-sectional shape of the stent in another optional embodiment. In this embodiment, the upper section of the bracket is in the shape of a trumpet, and the lower section is in the shape of a straight tube, forming a Y-shaped longitudinal cross-section. Figure 22c is a schematic diagram of the longitudinal cross-sectional shape of the stent in another optional embodiment. In this embodiment, the diameter of one end of the stent is larger than the diameter of the other end, and the diameter of the cylinder changes linearly in the axial direction, forming a V-shaped longitudinal cross-section. Figure 22d is a schematic diagram of the longitudinal cross-sectional shape of the stent in another optional embodiment. In this embodiment, the diameters of the two ends of the stent are different from the diameter of the middle part, and the centers of the two ends are not axial with the centers of the middle part. The stent has K Shape of longitudinal section. Figure 22e is a schematic diagram of the longitudinal cross-sectional shape of the stent in another optional embodiment. In this embodiment, the stent is Z-shaped as a whole.

The present disclosure also provides an implant system. Implant systems include delivery catheters and implants. Delivery catheters are used to accommodate the compressed implant and deliver the implant to the target site through artificial or natural cavities/conduits. The implant may include a stent and a wireless sensor. The stent may be a shunt used for atrial shunting in the aforementioned embodiments, or may be an occluder or a vascular stent. The implant is compressed within the delivery catheter. Specifically, the stent is compressed into a C-shaped cross-section, and the outer surface of the compressed stent at least partially surrounds the sensor, thereby reducing the diameter of the implant. As the delivery catheter delivers the implant to the target site, the implant can be pushed out of the catheter through the inner catheter.

In some optional embodiments, the implant system also includes a signal receiving device. The signal receiving device is used to receive signals from wireless sensors in the implant, and is used for medical staff to track changes in physiological parameters of the living body in real time.

The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure. should be covered by the protection scope of this disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims (24)

1. An implant, used to be implanted into a target site in a living body, characterized in that it includes: A stent is used to be placed at a target site to improve the physiological function of the living body. The stent includes a main body formed of a plurality of elastic curve segments and at least one joint segment. The joint segment is disposed in a predetermined area of the main body and Connected to a portion of at least one elastic curve segment; A wireless sensor includes a detection element and a wireless signal transmission element, the detection element is used to obtain a target physiological parameter, and the wireless signal transmission element is used to transmit the target physiological parameter obtained by the detection element to the outside of the living body; and A connecting piece for connecting the wireless sensor and the bracket; the connecting piece includes a connected first connecting part and a second connecting part, the first connecting part is connected to the wireless sensor, and the second connecting part Connect the joint section partially, so that the wireless sensor is attached to the outer peripheral surface of the bracket in the predetermined area; Wherein, the second connection part includes a sheet part, the sheet part has an edge part, the edge part forms a clamped part, and the joint section is connected to the sheet in the form of clamping the edge part. external connection. 2. The implant according to claim 1, wherein the engaging section is inserted into the second connecting portion to clamp the clamped portion; and The engaging segment is integrally formed with the part of at least one elastic curve segment, and the engaging segment forces the clamped portion to abut against the outer peripheral surface of the main body through its own elastic force, and/or, the The joint section makes the clamped part abut against the outer peripheral surface of the main body through adhesive. 3. The implant of claim 2, wherein the bracket and the wireless sensor are arranged side by side. 4. The implant according to claim 1, wherein the edge portion is located at an edge area of the sheet portion or an edge area of an opening formed on the sheet portion. 5. The implant according to claim 1, wherein the connecting member is an annular set, a part of the annular set is the first connecting part, and another part of the annular set is the third Two connecting parts; the edge portion of the sheet portion is formed by the edge portion of the annular set, or the annular set is provided with an opening, and the edge portion of the sheet portion is formed by the edge portion of the opening. 6. The implant according to claim 5, wherein the annular sleeve and the wireless signal transmission element at least partially overlap in the axial direction; the annular sleeve is a non-metallic sleeve, and the non-metallic sleeve The cross-section is a closed structure or a non-closed structure, or the annular set is a metal sleeve, and the cross-section of the metal sleeve is a non-closed structure. 7. The implant according to claim 5, wherein the annular sleeve completely covers the wireless sensor in the axial direction, and the detection element is exposed on the end face of the wireless sensor, and the detection element Used to detect pressure. 8. The implant according to claim 1, wherein the elastic curve segment forms the main body by extending in the circumferential direction and the axial direction, and the elastic curve segment at least includes a wavy segment, and the wavy segment A part forms the joint section. 9. The implant according to claim 8, characterized in that the predetermined troughs and/or crests of the wave segments form the engagement section. 10. The implant according to claim 1, wherein the engagement section includes a first engagement section and a second engagement section, the second connection section includes a clamped portion, and the first engagement section and the second engaging section respectively clamp the clamped portion from two opposite directions. 11. The implant according to claim 10, wherein the elastic curve segment forms the main body by extending in circumferential and axial directions, and the elastic curve segment at least includes a wavy segment, and the wavy segment The predetermined position has a circuitous section, the circuitous section is disconnected in the middle and forms a first joint section and a second joint section, the first joint section and the second joint section include bent and turned-back ends, so The bent and folded ends of the first joint section and the second joint section are nested in each other. 12. The implant according to claim 11, wherein the connecting member is an annular sleeve, a part of the annular sleeve is the first connecting part, and the other part of the annular sleeve is the third Two connecting parts; the annular set is provided with a first opening and a second opening with a predetermined spacing in the axial direction, and the first joint section and the second joint section pass through the first opening and the second joint section respectively. An opening is inserted between the annular sleeve and the wireless sensor. 13. The implant according to any one of claims 1-12, wherein the stent is an atrial shunt, the main body is a cylinder for shunting, and the cylinder is composed of the The elastic curve segment extends in an annular and/or spiral form. 14. The implant according to claim 13, wherein the barrel is a network structure formed by the elastic curve segments, and the barrel is configured to be able to resiliently deform and maintain in the radial direction. The perimeter remains unchanged. 15. The implant of claim 13, wherein the barrel is configured to be resiliently compressible in a first radial direction within a restricted space, and/or the barrel The cross-sectional shape when compressed in the first radial direction within the restricted space is C-shaped. 16. The implant according to claim 13, wherein the wireless sensor is parallel to the main body, and/or the wireless sensor is circumferentially connected to the main body. 17. The implant according to claim 13, wherein the stent further comprises a clamping arm set, the clamping arm set at least includes a first clamping arm and a second clamping arm, the third clamping arm A clamping arm and the second clamping arm are distributed on the outer circumference of the main body along the axial direction of the main body, and the first clamping arm and the second clamping arm are each formed to protrude from the main body. The outer cantilever. 18. The implant according to claim 17, wherein the first clamping arm and/or the second clamping arm are formed by bending elastic metal wires, and/or the first clamping arm The arm and/or the second clamping arm have a U-shaped or V-shaped structure formed by an elastic metal wire extending a predetermined distance in the radial direction and then folded back. 19. The implant according to claim 18, characterized in that the elastic wire constituting the first clamping arm and/or the second clamping arm is in contact with the first clamping arm and/or the second clamping arm. The elastic metal wire of the barrel attached to the base of the clamping arm is the same elastic metal wire, and/or the first clamping arm and/or the second clamping arm are connected to the respective adjacent barrels. The ends of the body have a predetermined distance. 20. The implant of claim 17, wherein the free end of the first clamping arm and the free end of the second clamping arm overlap in axial projection, the first clamping arm The fixed end of the holding arm and the fixed end of the second holding arm are staggered in axial projection. 21. The implant according to claim 1, wherein the stent further includes a covering film, the covering film is laid on the inside and/or outside of the main body, and when the covering film is laid on the When outside the main body, the covering film has a notch exposing the joint section. 22. The implant according to claim 1, wherein the connecting piece is made of polymer material, and the wireless sensor and the bracket are fixed through a heat shrink process. 23. An implant system, comprising a delivery catheter and an implant, characterized in that the implant is the implant according to any one of claims 1 to 22, and when the implant is disposed at The stent is in a compressed state when inside the catheter, and the stent is compressed into a C-shaped cross-section. The outer surface of the compressed stent at least partially surrounds the wireless sensor, and the implant can extend from the catheter. . 24. The implant system according to claim 23, further comprising a signal receiving device configured to receive signals from wireless sensors in the implant.