CN114246671A - Snare assembly and surgical instrument - Google Patents
Snare assembly and surgical instrument Download PDFInfo
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- CN114246671A CN114246671A CN202210060550.7A CN202210060550A CN114246671A CN 114246671 A CN114246671 A CN 114246671A CN 202210060550 A CN202210060550 A CN 202210060550A CN 114246671 A CN114246671 A CN 114246671A
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- snare
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- sliding body
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- insulating sleeve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1407—Loop
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Abstract
本申请提供一种圈套器组件和手术器械，圈套器组件包括圈套本体和绝缘套，绝缘套套接于圈套本体外，绝缘套与圈套本体在圈套本体的延伸方向上可滑动地配合。该圈套器组件能够按需调节用于切割息肉或组织的切丝的有效作业长度，从而适应不同手术场景，使用便捷灵活，成本低，安全性高。
The application provides a snare assembly and a surgical instrument. The snare assembly includes a snare body and an insulating sleeve, the insulating sleeve is sleeved outside the snare body, and the insulating sleeve and the snare body are slidably matched in the extending direction of the snare body. The snare assembly can adjust the effective working length of the shredding used for cutting polyps or tissues as needed, so as to adapt to different surgical scenarios, and is convenient and flexible to use, low in cost, and high in safety.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a snare assembly and a surgical instrument.
Background
The snare is a common instrument for endoscopic treatment, is generally matched with high-frequency surgical equipment, and cuts off polyps or redundant tissues by high-frequency electricity under the visible condition of an endoscope. The existing snares mainly comprise two snares, wherein one snare body is completely exposed to tissues, and the other snare body is provided with a partial insulating layer outside the snare body, so that part of the snare body is exposed to the tissues.
The inventor researches and discovers that the existing snare has at least the following disadvantages:
the operation is inconvenient and the function is single.
Disclosure of Invention
The invention aims to provide a snare assembly and a surgical instrument, which can adjust states as required, are flexible and convenient to operate, have diversified functions and are high in safety.
The embodiment of the invention is realized by the following steps:
in a first aspect, the present invention provides a snare assembly comprising:
the snare comprises a snare body and an insulating sleeve, wherein the insulating sleeve is sleeved outside the snare body, and the insulating sleeve and the snare body are matched in a sliding mode in the extending direction of the snare body.
In an optional embodiment, the number of the insulation sleeves is two, the two insulation sleeves are sleeved outside the snare body, and the two insulation sleeves are arranged in the extending direction of the snare body.
In a second aspect, the present invention provides a surgical instrument comprising:
a sheath, a handle assembly and the snare assembly of the previous embodiment, the sheath being connected to the handle assembly, the snare body and the insulating sheath each being slidably connected to the sheath; the snare body and the insulating sleeve are both connected with the handle assembly, and the handle assembly is used for controlling the snare body and the insulating sleeve to move relative to the sheath tube.
In an alternative embodiment, the handle assembly comprises a base, a first sliding body and a second sliding body, the sheath being connected to the base; the first sliding body and the second sliding body are connected with the base body in a sliding mode in the preset direction, the first sliding body is connected with the snare body, and the second sliding body is connected with the insulating sleeve.
In an alternative embodiment, the handle assembly further comprises a locking member, the locking member is connected to the first sliding body and the second sliding body at the same time, and has a locking state and an unlocking state which are switched with each other; when the first sliding body and the second sliding body are in the locking state, the first sliding body and the second sliding body are relatively fixed; when the first sliding body is in the unlocking state, the first sliding body can slide relative to the second sliding body in the preset direction.
In an alternative embodiment, the first sliding body is provided with a guide groove extending along the preset direction, and the second sliding body is embedded in the guide groove and slidably engaged with the guide groove in the preset direction.
In an alternative embodiment, the handle assembly further comprises a first cable and a second cable, the first slider body being connected to the snare body by the first cable; the second sliding body is connected with the insulating sleeve through the second inhaul cable.
In an optional embodiment, the second cable is sleeved outside the second cable, and the second cable can slide relative to the first cable in the extending direction of the first cable.
In an optional embodiment, the number of the first pulling cables is two, one end of each of the two first pulling cables is connected with two ends of the snare body, and one end of each of the two first pulling cables, which is far away from the snare body, is connected with the first sliding body.
In an alternative embodiment, the sheath is provided with a collection lumen for housing the snare body and two positioning lumens both communicating with the collection lumen; the two first inhaul cables respectively penetrate through the two positioning tube cavities in a sliding mode.
The embodiment of the invention has the beneficial effects that:
in conclusion, the snare assembly provided by the embodiment can adjust the position of the insulating sleeve relative to the snare body as required when in use, so that the length of the snare body exposed to the tissue is adjusted, namely, the effective operation part of the snare body can be adjusted as required, and the snare assembly meets the requirements on the operation length during cutting of polyps, tissues and the like under different environments, and thus, the cutting efficiency is high; moreover, the exposed length of the snare body is proper, so that the tissue around the position to be cut is not easy to damage during cutting, nearby tissue can be selectively protected, and the cutting is safe and reliable.
Meanwhile, before cutting operation preparation is carried out, the insulating sleeve can completely cover the snare body, when the position relation between the snare body and the tissue is adjusted, even if the starting switch is triggered by mistake, the snare body is in a power-on state, but the snare body cannot damage the tissue because the snare body is covered by the insulating sleeve, and the snare has the effect of preventing accidental injury.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a surgical instrument according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a snare assembly of an embodiment of the invention;
FIG. 3 is a schematic, partial, pictorial illustration of a surgical device, in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural view of a core rod according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a first sliding body according to an embodiment of the present invention;
fig. 6 is a schematic view of a fitting structure of the second sliding body and the positioning element according to the embodiment of the invention.
Icon:
100-a snare assembly; 110-a snare body; 111-active working section; 120-an insulating sleeve; 200-sheath; 300-a handle assembly; 310-core rod; 311-avoidance slots; 312 — a first sliding hole; 320-a first slider; 321-a second sliding hole; 330-a second sliding body; 340-a first cable; 350-a second cable; 360-positioning piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The snare is a surgical instrument commonly used for polyp or tissue excision, and at present, in order to improve the use efficiency of the snare, an insulating layer is usually arranged on a wire cutting part of the snare, so that the effective cutting length of the wire cutting is reduced, the energy is concentrated, and the cutting efficiency is high. However, in the prior art, the effective length of the cutting filament is fixed and unchanged, the use is limited, different snares need to be replaced in different operation environments, the cost is high, the efficiency is low, and the operation risk is increased.
In view of this, the designer has designed a surgical instrument, also known as a snare, which can adjust the effective working length for cutting the polyp or the filament of the tissue as required, thereby adapting to different surgical scenes, and is convenient and flexible to use, low in cost, and high in safety.
Referring to fig. 1, in this embodiment, a surgical instrument includes a snare assembly 100, a sheath 200, and a handle assembly 300. The snare assembly 100, the sheath 200 and the handle assembly 300 are used in cooperation, and the handle assembly 300 can adjust the position of the snare assembly 100 relative to the sheath 200, thereby adjusting the working state of the snare assembly 100.
Referring to FIG. 2, in this embodiment, a snare assembly 100 includes a snare body 110 and an insulating sheath 120. The snare body 110 may also be referred to as a wire cut in other embodiments, i.e., the snare body 110 is used to cut polyps or tissue, etc. The snare body 110 may be oval, polygonal, circular, half-moon shaped, or the like. In this embodiment, the snare body 110 is oval, and both ends of the snare body 110 in the extending direction are free ends and are gathered together. Obviously, in other embodiments, both ends of the snare body 110 in the extending direction thereof may be converged into one end. The insulating sleeve 120 is sleeved outside the snare body 110, and the insulating sleeve 120 is slidably matched with the snare body 110 in the extending direction of the snare body 110, so that the length of the snare body 110 exposed to the external environment, namely the length of the effective working section 111 of the snare body 110, is adjusted. In other words, the insulating sleeve 120 is sleeved outside the snare body 110, the portion of the snare body 110 covered by the insulating sleeve 120 does not damage the tissue even if contacting the tissue, the tissue cannot be cut, and only the portion of the snare body 110 not covered by the insulating sleeve 120, that is, the effective working section 111, can be cut when contacting the tissue. Therefore, in the operation process, the position of the insulating sleeve 120 relative to the snare body 110 can be flexibly and conveniently adjusted according to the operation requirement, so that the purpose of freely adjusting the effective length of the snare body 110 is achieved, the operation is facilitated, and the cost is reduced.
Meanwhile, before cutting operation preparation is carried out, the insulating sleeve 120 can completely cover the snare body 110, when the position relation between the snare body 110 and the tissue is adjusted, even if the starting switch is triggered by mistake, the snare body 110 is in a power-on state, but the snare body 110 cannot damage the tissue because the snare body 110 is covered by the insulating sleeve 120, and the snare body has the function of preventing accidental injury.
It will be appreciated that an insulating sleeve 120 may be attached over the snare body 110, and the length of the active working length 111 of the snare body 110 may be adjusted by pulling on an end of the insulating sleeve 120 so that it slides relative to the snare body 110. In this embodiment, two insulation sleeves 120 are adjusted outside the snare body 110 for example. The two insulating sleeves 120 are sleeved outside the snare body 110 and are connected with the snare body 110 in a sliding manner in the extending direction of the snare body 110, the two insulating sleeves 120 can be controlled independently or simultaneously, and can be selected as required, so that the application range is wide, and the use is flexible. Meanwhile, the center line of the snare body 110 is taken as a dividing line, the snare body 110 is divided into two arc-shaped sections which are arranged in a centrosymmetric mode, each arc-shaped section is correspondingly sleeved with one insulating sleeve 120, and the whole snare body 110 can be completely covered in an insulating mode through the matching of the two insulating sleeves 120. Through setting up two insulating cover 120, and two insulating cover 120 can the independent control, control more in a flexible way, it is more convenient to use. In addition, the effective operation section 111 of the snare body 110 can be adjusted to be arranged in a centrosymmetric manner, which is beneficial to the operation.
In this embodiment, optionally, the sheath 200 is configured as a circular tube, the sheath 200 may be configured as a multi-lumen structure, and one of the lumens may be used to cooperate with an injection needle and the like, so as to achieve functions of injecting liquid, flushing and the like. For example, in the present embodiment, the sheath 200 is provided with a collection lumen and two positioning lumens. The collecting lumen is located at the distal end of the sheath 200, the distal ends of the two positioning lumens are communicated with the distal end of the collecting lumen, and the two positioning lumens are independently arranged. The collecting cavity is used for accommodating the snare body 110, and the two positioning cavities are respectively used for penetrating the pull rope. It will be appreciated that under operation of the handle assembly 300, the snare body 110 has an operative state and an inoperative state that are switched to one another, in which the snare body 110 extends beyond the distal end of the sheath 200 so as to be able to contact tissue. When the snare is in a non-operation state, the snare body 110 is accommodated in the collecting lumen, so that the overall volume is reduced, and the position adjustment of the snare is facilitated. Meanwhile, when the snare body 110 is in a non-operation state, the snare body 110 can be completely covered by the two insulation sleeves 120, and at the moment, the snare body 110 and the two insulation sleeves 120 are accommodated in the collecting lumen.
In this embodiment, optionally, the handle assembly 300 is connected to the snare body 110 and the insulating sheath 120 for controlling the snare body 110 to switch between the operative state and the inoperative state; also, the handle assembly 300 is used to control the sliding of the insulating sleeve 120 relative to the snare body 110, thereby adjusting the length of the active working length 111 of the snare body 110. Furthermore, in other embodiments, the handle assembly 300 also serves to control the rotation of the snare body 110 relative to the sheath 200, thereby allowing a wider working range of the snare body 110.
Referring to fig. 1 and 3, the handle assembly 300 may optionally include a core rod 310, a first sliding body 320, two second sliding bodies 330, two locking members, two first cables 340, and two second cables 350. The first sliding body 320 and the core bar 310 are slidably connected in the extending direction of the core bar 310, the two second sliding bodies 330 are both slidably connected with the first sliding body 320 in the sliding direction of the first sliding body 320, the two locking pieces respectively correspond to the two second sliding bodies 330 and are used for switching between a locking state and an unlocking state, and when the locking state is achieved, the second sliding bodies 330 and the first sliding body 320 are relatively fixed in the sliding direction of the first sliding body 320; in the unlocked state, the second slider 330 can slide relative to the first slider 320 in the sliding direction of the first slider 320. One end of each of the two first pull cables 340 is connected with two free ends of the snare body 110, and the other end is connected with the first sliding body 320; the two second sliding bodies 330 are connected to the two insulating sleeves 120 through two second pulling cables 350, respectively. The first pulling cable 340 and the second pulling cable 350 are both arranged in the sheath 200. The two first pulling cables 340 can be driven to slide relative to the sheath 200 by operating the first sliding body 320, so as to switch the working state of the snare body 110. The corresponding insulating sleeve 120 can be driven to slide relative to the snare body 110 by operating the second sliding body 330. It will be appreciated that when the locking element is in the locked position, the relative positions of the snare body 110 and the insulating sheath 120 remain constant as the first slider 320 slides, thus ensuring that the insulating sheath 120 does not move relative to the snare body 110 during tissue cutting using the snare body 110, thereby enabling the procedure to be performed smoothly.
Referring to fig. 4, in the present embodiment, optionally, the core rod 310 is an elongated rod, the proximal end of the core rod 310 is provided with a bracelet, the distal end of the core rod 310 is provided with an avoiding groove 311, the side wall of the core rod 310 is provided with a first sliding hole 312, and the avoiding groove 311 is communicated with the first sliding hole 312 and coaxially disposed with the first sliding hole 312. The sheath 200 is connected to the distal end of the core rod 310, and the sheath 200 is communicated with the escape groove 311.
Referring to fig. 5, optionally, the first sliding body 320 is sleeved outside the core rod 310, and the first sliding body 320 and the core rod 310 are relatively fixed in the circumferential direction of the core rod 310, for example, the outer profile of the cross section of the core rod 310 is non-circular, and the inner profile of the cross section of the first sliding body 320 is non-circular; specifically, the outer cross-sectional profile of the core rod 310 is square or elliptical, and the inner cross-sectional profile of the first sliding body 320 is square or elliptical. The proximal end of the first slider 320 is provided with two bracelets. The side wall of the first sliding body 320 is provided with two second sliding holes 321, the two second sliding holes 321 are communicated with the first sliding hole 312, and the two second sliding holes 321 are arranged in a central symmetry manner. The two first pulling cables 340 are respectively arranged in the two positioning tube cavities in a penetrating manner, and are positioned in the first sliding hole 312 after passing through the avoiding groove 311, and the proximal ends of the two first pulling cables 340 are simultaneously fixedly connected with the first sliding body 320.
Referring to fig. 6, optionally, two second sliding bodies 330 are respectively disposed in the two second sliding holes 321 and respectively extend into the first sliding holes 312, and each second sliding body 330 is slidably engaged with the corresponding second sliding hole 321 in the extending direction of the second sliding hole 321. The two second inhaul cables 350 are respectively arranged in the two positioning tube cavities in a penetrating mode and are respectively sleeved outside the two first inhaul cables 340, the far ends of the two second inhaul cables 350 are respectively connected with the two insulating sleeves 120, the near ends of the two second inhaul cables 350 are respectively connected with the two second sliding bodies 330, and each second sliding body 330 can slide relative to the first sliding body 320 when the locking piece is in an unlocking state, so that independent control over the corresponding insulating sleeves 120 is achieved.
Further, the handle assembly 300 further includes a positioning member 360, and the positioning member 360 is detachably connected to the two second sliding bodies 330 at the same time, and makes the two second sliding bodies 330 relatively fixed in the sliding direction of the first sliding body 320. In this way, when the positioning member 360 is simultaneously connected with the two second sliding bodies 330, the positioning member 360 or one of the two second sliding bodies 330 may be operated to achieve synchronous movement of the two second sliding bodies 330, thereby achieving synchronous control of the two insulating sleeves 120. It should be understood that when the two second sliding bodies 330 are positioned by the positioning member 360, the two second sliding bodies 330 may have a spacing in the sliding direction of the first sliding body 320, and the spacing may be zero. When the single second sliding bodies 330 need to be controlled independently, the positioning member 360 is detached from at least one of the two second sliding bodies 330.
In other embodiments, it should be noted that the second cable 350 may be independent from the first cable 340, that is, the second cable 350 may not be sleeved outside the first cable 340. Also, the first and second cables 340, 350 may be located in separate lumens. Further, first cable 340 and second cable 350 may both be located in one lumen.
In this embodiment, unless otherwise specified, the distal end is the end of the surgical instrument that is close to the patient during the operation, and the proximal end is the end of the surgical instrument that is close to the operator during the operation.
The surgical instrument provided by the embodiment can adjust the position relation between the snare body 110 and the insulating sleeve 120 as required, so that the length of the effective operation section 111 on the snare body 110 can be adjusted, different surgical scenes can be adapted, the application range is wide, the surgical efficiency is improved, and the surgical safety is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A snare assembly, comprising:
the snare comprises a snare body and an insulating sleeve, wherein the insulating sleeve is sleeved outside the snare body, and the insulating sleeve and the snare body are matched in a sliding mode in the extending direction of the snare body.
2. A snare assembly according to claim 1, wherein:
the number of the insulation sleeves is two, the two insulation sleeves are sleeved outside the snare body, and the two insulation sleeves are arranged in the extending direction of the snare body.
3. A surgical instrument, characterized in that the surgical instrument comprises:
a sheath, a handle assembly and a snare assembly of claim 1 or 2, the sheath being connected to the handle assembly, the snare body and the insulating sheath each being slidably connected to the sheath; the snare body and the insulating sleeve are both connected with the handle assembly, and the handle assembly is used for controlling the snare body and the insulating sleeve to move relative to the sheath tube.
4. A surgical instrument as recited in claim 3, wherein:
the handle assembly comprises a base body, a first sliding body and a second sliding body, and the sheath is connected with the base body; the first sliding body and the second sliding body are connected with the base body in a sliding mode in the preset direction, the first sliding body is connected with the snare body, and the second sliding body is connected with the insulating sleeve.
5. The surgical instrument of claim 4, wherein:
the handle assembly further comprises a locking piece which is connected to the first sliding body and the second sliding body at the same time and has a locking state and an unlocking state which are switched with each other; when the first sliding body and the second sliding body are in the locking state, the first sliding body and the second sliding body are relatively fixed; when the first sliding body is in the unlocking state, the first sliding body can slide relative to the second sliding body in the preset direction.
6. The surgical instrument of claim 5, wherein:
the first sliding body is provided with a guide groove extending along the preset direction, and the second sliding body is embedded in the guide groove and is matched with the guide groove in the preset direction in a sliding mode.
7. The surgical instrument of claim 4, wherein:
the handle assembly further comprises a first pull cable and a second pull cable, and the first sliding body is connected with the snare body through the first pull cable; the second sliding body is connected with the insulating sleeve through the second inhaul cable.
8. The surgical instrument of claim 7, wherein:
the second inhaul cable is sleeved outside the second inhaul cable, and the second inhaul cable can slide in the extending direction of the first inhaul cable relative to the first inhaul cable.
9. The surgical instrument of claim 7, wherein:
the number of the first pull cables is two, one ends of the two first pull cables are respectively connected with two ends of the snare body, and one ends of the two first pull cables, which are far away from the snare body, are connected with the first sliding body.
10. A surgical instrument as recited in claim 9, wherein:
the sheath tube is provided with a collecting tube cavity and two positioning tube cavities which are communicated with the collecting tube cavity, and the collecting tube cavity is used for accommodating the snare body; the two first inhaul cables respectively penetrate through the two positioning tube cavities in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060550.7A CN114246671A (en) | 2022-01-19 | 2022-01-19 | Snare assembly and surgical instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210060550.7A CN114246671A (en) | 2022-01-19 | 2022-01-19 | Snare assembly and surgical instrument |
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| CN114246671A true CN114246671A (en) | 2022-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119454218A (en) * | 2025-01-14 | 2025-02-18 | 成都安捷畅医疗科技有限公司 | Endoscopic mucosal incision knife capable of lifting underlying tissue |
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| US20140276810A1 (en) * | 2013-03-14 | 2014-09-18 | Boston Scientific Scimed, Inc. | Devices for tissue resection |
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| CN213489152U (en) * | 2020-09-07 | 2021-06-22 | 成都安捷畅医疗科技有限公司 | Polyp or tissue excision and accomodate surgical instrument module and surgical instrument |
| CN217014203U (en) * | 2022-01-19 | 2022-07-22 | 成都安捷畅医疗科技有限公司 | Snare assembly and surgical instrument |
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| CN119454218A (en) * | 2025-01-14 | 2025-02-18 | 成都安捷畅医疗科技有限公司 | Endoscopic mucosal incision knife capable of lifting underlying tissue |
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