CN216417119U - An accessory delivery device suitable for flexible endoscopes - Google Patents

Abstract

The utility model relates to an annex delivery device suitable for soft endoscope, the utility model discloses a front end function portion, flexible pipe portion and terminal operation portion, front end function portion set up at the endoscope front end, and flexible pipe portion connects between front end function portion and terminal operation portion, is fixed in the endoscope outside. The utility model discloses can make extra operation annex of diagnosing put into the human body along with the endoscope delivery, applicable in multiple novel wicresoft diagnose technique, it is wide to have the range of application, convenient to use's advantage.

Description

An accessory delivery device suitable for flexible endoscopes

technical field

The utility model relates to the field of medical instruments, in particular to an accessory delivery device suitable for a flexible endoscope.

Background technique

Endoscope is currently one of the most widely used minimally invasive diagnosis and treatment instruments. Among them, the flexible endoscope can enter the human body through the natural orifice of the human body to realize the diagnosis and treatment of various system diseases such as digestion, respiration, urology and reproduction. Flexible endoscopes typically include a tip, a flexible insertion portion, and an operating handle. The head end usually includes several channels such as optical imaging, lighting, air holes, and clamp pipes, and each functional component is connected to the end operating handle and the host system through independent transmission channels. The imaging element and light source carried by the flexible endoscope itself can facilitate the doctor to observe and diagnose the lumen under direct vision. The flexible endoscope itself does not have the ability to perform therapeutic operations in the human body, and it plays a therapeutic function. The main way is to insert the minimally invasive treatment instrument along the endoscopic forceps tube, and carry out the corresponding treatment operation under the guidance of the endoscope. Due to the relatively small space in the human body, in order to avoid additional damage to the human body, the outer diameter of the flexible endoscope lens end and the flexible insertion part are usually strictly limited, and the inner diameter of the endoscope forceps tube is usually 2-4mm. Common endoscopic diagnosis and treatment accessories usually need to meet the conditions of being able to be placed through a forceps tube, which imposes great restrictions on their structure and size. In recent years, although there have been a variety of flexible and deformable instruments that can be inserted through the endoscopic forceps tube, as well as endoscopes with double forceps tubes, there are still some functional components of new diagnosis and treatment technologies due to their structural, Special requirements on material and function realization make it impossible to deliver and implant into the human body through endoscopic forceps, which limits the application of these new technologies in combination with endoscopic technology

Utility model content

The purpose of the present utility model is to solve the problem in the background technology that the inner diameter of the flexible endoscope itself is small and cannot be inserted into large-sized diagnosis and treatment devices or instruments, and to provide a flexible endoscope that can be delivered and implanted with the endoscope's forceps tube. The human body's attachment delivery device for flexible endoscopes expands the functional scope of endoscopes for diagnosis and treatment in the human body, enables more diagnosis and treatment techniques to be used in conjunction with endoscopes, and has the advantages of wide application range and convenient use.

The technical solution of the present utility model is: the present utility model is an accessory delivery device suitable for a flexible endoscope, the special feature of which is that the delivery device comprises a front end functional part, a flexible conduit part and a terminal operation part, The front end functional part is arranged at the front end of the endoscope, the flexible conduit part is connected between the front end functional part and the terminal operation part, and the front end functional part and the flexible conduit part are fixed to the endoscope body through various connection methods.

Further, the front end functional part includes a functional unit, a housing and a fixer, the functional unit is arranged on the outside of the housing, the fixer is arranged on the inside of the housing, the housing is connected with the front end of the endoscope through the fixer, and the housing is connected with the flexible conduit part. connect.

Further, the fixator is a tubular fixator, an annular fixator or a stud-shaped fixator.

Further, the functional unit is a sensor, a detection circuit or an energy circuit.

Further, the housing may be made of a composite material containing magnetic material, paramagnetic material, or non-magnetic.

Further, the flexible conduit part includes a conduit and an inner capillary, the inner capillary is arranged in the conduit, there are multiple inner capillaries, and the inner capillary is provided with a wire or an optical fiber, and the wire or optical fiber is connected to the functional unit through the housing.

Further, the flexible conduit portion further includes an outer sheath tube, and the conduit tube is arranged in the outer sheath tube.

Further, the outer sheath tube is provided with a buckle, and the outer sheath tube is firmly connected to the endoscope through the buckle.

Further, the terminal operation part includes a tubular part and a gripping part, the gripping part is arranged outside the tubular part, and the wires or optical fibers in the inner capillary pass through the tubular part.

Further, one end of the terminal operation part is connected with a cable or an optical fiber, and the cable is connected with the wire or the optical fiber in the capillary.

The utility model proposes an accessory delivery device suitable for a flexible endoscope. It includes three parts: the front end functional part, the flexible conduit part and the terminal operation part. The front end functional part is fixed on the end of the endoscope lens by the fixer, so that it can move synchronously with the endoscope, and the shell surface of the front end functional part is provided with a functional unit that exerts the function of diagnosis and treatment; the functional unit can include an energy source that can enter the human body or The signal processing element can also be communicated with an external energy source or signal receiving device in a wireless or wired manner; for those that need to be connected with an external device via a wired manner, the related wires, etc. are led out through the flexible conduit part; the flexible conduit part connects the front-end housing It is connected to the end operation part outside the body, and is fixed to the outer wall of the flexible endoscope by means of clips and other components. The front-end functional part of the utility model is composed of a functional unit, a casing and a fixer, and its corresponding structure can be adjusted according to functional characteristics, use environment and the like. The terminal operation part of the utility model mainly plays the role of the doctor in holding, adjusting the depth of the catheter and connecting with the energy source or signal processing equipment. Its structure, size and shape can be specially designed according to the functional requirements and usage scenarios. The endoscope can additionally have the function of performing diagnosis and treatment in the human body, and has the advantages of wide application range and convenient use.

Description of drawings

Fig. 1 is the structural representation of the utility model;

2 is a schematic structural diagram of Embodiment 1 of the front-end functional portion of the present invention;

3 is a schematic structural diagram of the second embodiment of the front-end functional part of the present invention;

Fig. 4 is the rear view of Fig. 3;

5 is a schematic structural diagram of Embodiment 3 of the front-end functional part of the present invention;

Fig. 6 is the rear view of Fig. 5;

FIG. 7 is a schematic diagram of the connection between the structure of the front end functional part of the third embodiment of the present invention and the end of the endoscope lens;

8 is a sectional view of a flexible conduit portion of the present invention;

FIG. 9 is a schematic structural diagram of the terminal operation part of the present invention.

The reference numerals are explained as follows:

1. Front end functional part; 2. Flexible catheter part; 3. Terminal operation part; 4. Fixer; 5. Endoscopic lens end; 6. Buckle; 7. Endoscope body; 8. Cable;

101, functional unit; 102, shell; 103, tubular fixator; 104, annular fixator, 105, tethered fixator; 106, tiny orifice; 107, clamp tube.

201, catheter; 202, inner capillary; 203, outer sheath;

301, a tubular portion; 302, a grip portion.

Detailed ways

Below in conjunction with the accompanying drawings and specific embodiments, the overall scheme of the present utility model is described in further detail:

Referring to FIG. 1 , a specific embodiment of the present invention has a front-end functional portion 1 , a flexible conduit portion 2 , and an end-operating portion 3 . The front end functional part 1 is fixed to the end 5 of the endoscope head through the holder 4 on the back of the casing. To make it easier to move with the flexible endoscope in the body. The flexible catheter part 2 is located between the front end functional part 1 and the terminal operation part 3 , and the flexible catheter part 2 itself or its outer sheath is fixed to the endoscope body 7 through the buckle 6 . The terminal operation part 3 is connected with an external energy source or a signal acquisition device through a cable 8 . In the specific implementation process, the front end functional part 1 and the flexible conduit part 2 can enter the human body together with the endoscope, and the terminal operation part 3 is located outside the body.

The front of the front-end functional part 1 can carry functional units that perform specific functions. The functional units can be based on diagnosis and/or treatment technologies such as electricity, magnetism, sound, and light, and are fixed on the front-end functional part housing in a certain arrangement. Under the control of the endoscope, or under the control of the terminal operating part 3, the electrical, magnetic, acoustic and optical signals specific to human tissue can be collected through sensors, circuits, etc. Transfer external energy to achieve diagnosis or treatment of local lesions.

When the front end functional part 1 and the flexible conduit part 2 enter the human body with the endoscope, they need to be relatively fixed with the endoscope to prevent abnormal displacement and accidental damage to human tissue. The utility model includes 3 different types of fixing forms of the front end functional part 1 and the endoscope, including a tubular fixer, a ring-shaped fixer, and a stud-shaped fixer.

Referring to FIG. 2 , it is a front end functional part with a tubular holder, including three parts: a functional unit 101 , a casing 102 , and a tubular holder 103 . The functional unit 101 is located on the side of the casing 102 facing the human tissue, the tubular fixer 103 is located on the side of the casing 102 close to the end 5 of the endoscope lens, and is fixed in a tubular shape. The device 103 is fitted into the end 5 of the endoscope lens.

In the present invention, the shell 102 itself is made of materials (such as silica gel, PEEK, plastic, TPU, etc.) with good biocompatibility, corrosion resistance, high temperature resistance, wear resistance, etc.; If magnetic anchoring is required, the housing 102 can be made of a composite material containing magnetic materials, paramagnetic materials or non-magnetic materials, or a magnet can be embedded in it, which can be magnetized in vitro to assist in guiding or magnetic anchoring function, and its position can also be adjusted by relying only on the endoscope

Referring to FIGS. 3 and 4 , it is a front end functional part with a ring-shaped fixer, including three parts: a functional unit 101 , a casing 102 , and a ring-shaped fixer 104 . The functional unit 101 is located on the side of the casing 102 facing the human tissue, and the annular holder 104 is located on the side of the casing 102 close to the end 5 of the endoscope lens, and the annular holder 104 is semi-circular. In a specific implementation process, the annular fixator 105 can be grasped by the foreign body forceps extending from the end 5 of the endoscope head.

Referring to FIGS. 5 , 6 and 7 , the front end functional part with a tethered fixator includes three parts: a functional unit 101 , a housing 102 , and a tethered fixator 105 . The functional unit 101 is located on the side of the casing 102 facing the human tissue, and the pin-shaped fixator 105 is located on the side of the casing 102 close to the end 5 of the endoscope lens. In the specific implementation process, the bolt-shaped fixator 105 is cylindrical, and its outer diameter is similar to that of the endoscope's forceps hole, and can be inserted into the opening of the forceps tube 107 of the endoscope end 5 to fix the front-end functional part housing 102 , there is a tiny hole 106 in the center of the bolt-shaped holder 105, which is convenient to conduct the gas and liquid in the endoscope.

Referring to FIG. 8 , the flexible conduit portion 2 is composed of a plurality of medical conduits of different materials and structures. The basic structure includes an inner capillary 202 located in the inner core, which can be a wire or an optical fiber, or the inner capillary 202 is used as an air conduit, etc.; ; According to functional requirements, there can be an outer sheath tube 203 (delivery tube) on the outside of the flexible catheter 201 as a conduit for the movement of the inner catheter; Several conduits included in the flexible conduit portion 2 can be prepared by using corresponding materials according to the environment and functional requirements in which they are used. One end of the wire or optical fiber is connected with the functional unit.

Referring to Figure 9, the terminal operation part mainly plays the role of the doctor in holding, adjusting the depth of the catheter and connecting with the energy source or signal processing equipment. Its structure, size and shape can be specially designed according to the functional requirements and usage scenarios. 3 includes a tubular portion 301 and a grip portion 302. The gripping portion 302 is disposed outside the tubular portion 301, and the wires or optical fibers in the inner capillary pass through the tubular portion 301 and are connected to the cable.

The content of the present invention and the technical content not specifically described in the above embodiments are the same as those of the prior art.

The above are only specific embodiments disclosed by the present invention, but the protection scope disclosed by the present invention is not limited thereto, and the protection scope disclosed by the present invention should be subject to the protection scope of the claims.

Claims (9)

1. An accessory delivery device suitable for a flexible endoscope, characterized in that: the delivery device comprises a front-end functional part, a flexible catheter part and a terminal operation part, and the front-end functional part is arranged at the front end of the endoscope, so The flexible conduit part is connected between the front end functional part and the end operation part, the front end functional part includes a functional unit, a housing and a fixer, the functional unit is arranged on the outside of the housing, and the fixer is arranged on the inside of the housing , the casing is connected with the front end of the endoscope through the fixer, and the casing is connected with the flexible conduit part. 2 . The accessory delivery device suitable for a flexible endoscope according to claim 1 , wherein the fixator is a tubular fixator, an annular fixator or a stud-shaped fixator. 3 . 3. The accessory delivery device suitable for a flexible endoscope according to claim 2, wherein the functional unit is a sensor, a detection circuit or an energy circuit. 4. The accessory delivery device suitable for a flexible endoscope according to any one of claims 1 to 3, wherein the housing is made of a composite material comprising a magnetic material or a paramagnetic material. 5. The accessory delivery device suitable for a flexible endoscope according to claim 4, wherein the flexible conduit portion comprises a conduit and an inner capillary, the inner capillary is arranged in the conduit, and the inner capillary is A plurality of wires or optical fibers are arranged in the inner capillary, and the wires or optical fibers are connected to the functional unit through the casing. 6 . The accessory delivery device suitable for a flexible endoscope according to claim 5 , wherein the flexible conduit portion further comprises an outer sheath tube, and the conduit tube is arranged in the outer sheath tube. 7 . 7 . The accessory delivery device suitable for a flexible endoscope according to claim 6 , wherein the outer sheath is provided with a buckle, and the outer sheath is fastened to the endoscope through the buckle. 8 . connect. 8 . The accessory delivery device suitable for flexible endoscope according to claim 7 , wherein the distal operating portion comprises a tubular portion and a gripping portion, and the gripping portion is disposed outside the tubular portion, so that the The wires or optical fibers in the inner capillary are passed through the tubular portion. 9 . The accessory delivery device suitable for flexible endoscope according to claim 8 , wherein one end of the distal operation part is connected with a cable, and the cable is connected to a wire or an optical fiber in the inner capillary. 10 .

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