CN210843243U - Automatic suturing mechanism for minimally invasive surgery and endoscope - Google Patents

Abstract

The utility model discloses an automatic suturing mechanism for minimally invasive surgery, which comprises a control handle, an endoscope front hoop component and a suturing needle; the suture needle is inserted into a clamp channel insertion tube of the endoscope front end hoop assembly; a pushing needle rod penetrates through the sheath tube of the control handle; the inner hole of the clamp passage insertion tube is communicated with the inner hole of the sheath tube; the pushing needle rod of the control handle is pushed, and the pushing needle rod can push the suture needle outwards from the endoscope front end hoop component; the material of the suture needle is memory metal. The utility model discloses utilized shape memory alloy's memory effect ingeniously, utilized memory alloy's control by temperature change effect, made the suture needle take place the bending step by step at the propelling movement in-process, the gimmick is sewed up to the simulation line to realize automatic sewing action. The utility model also discloses an endoscope with automatic suturing mechanism.

Description

Automatic suturing mechanism for minimally invasive surgery and endoscope

Technical Field

The utility model relates to a medical instrument, concretely relates to an automatic suturing mechanism for minimal access surgery. The utility model discloses still relate to an endoscope with automatic suturing mechanism.

Background

Endoscopic Submucosal Dissection (ESD) and endoscopic submucosal resection (EMR) are the primary means of treating tumors and precancerous lesions of the digestive system. However, negative signs are often raised in cases of mucosal lesions involving the entire digestive tract, submucosal tumors (protruding to the submucosa for growth or tumor bodies adhered to the serosal layer) originating from the intrinsic muscular layer, and the like, the treatment by ESD is difficult, the phenomenon that the tumor cannot be completely resected and complications such as bleeding, perforation and the like often occur, the operation time is long, and the operation cost is high.

Although full-thickness resection (EFTR) under endoscope can solve the problem of tumors rooted in the full thickness of the digestive tract and can make a clear diagnosis, EFTR inevitably causes damage to the full thickness of the digestive tract, so hemostasis and titanium clip application or endoscopic suture are particularly important in the operation, but the operation process is complicated and dangerous.

For this reason, OTSC (over-the-scope clips) and padlock clips (padlock clips) have appeared in recent years, and the above problems are well solved. Moreover, endoscopic full-thickness resection relying on OTSC or padlock clips can greatly reduce the time required for the procedure. However, OTSC or padlock clips are only suitable for relatively small tumors and conventional suturing methods are still required for full-thickness resection of relatively large tumors.

In recent years, a soft endoscopic suturing system, such as the OverStitchSx gastroscope suturing system of APOLLO in the united states, has appeared, which uses a traditional suture method and solves the suturing problem under a soft endoscope by using a mechanical system, but the operation process is extremely complicated, so the soft endoscopic suturing system has not been popularized and applied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an automatic suturing mechanism for minimally invasive surgery, which can complete automatic suturing action.

In order to solve the technical problem, the utility model discloses an automatic sewing machine constructs's for minimal access surgery technical solution does:

comprises a control handle 1, an endoscope front end hoop component 2 and a suture needle 3; the suture needle 3 is arranged in the forceps channel insertion tube 2-2 of the endoscope front end hoop component 2 in a penetrating way; a pushing needle rod 1-5 penetrates through a sheath tube 1-6 of the control handle 1; the inner hole of the clamp passage insertion tube 2-2 is communicated with the inner hole of the sheath tube 1-6; the pushing needle rod 1-5 of the control handle 1 is pushed, and the pushing needle rod 1-5 can push the suture needle 3 outwards from the endoscope front end hoop component 2; the material of the suture needle 3 is memory metal.

In another embodiment, the suture needle 3 is kept in a straight shape at a low temperature and naturally returns to a bent shape at a temperature of more than or equal to 36 ℃; the turning radius of the bending state of the sewing needle 3 is 3-7 mm; the length of the needle 3 is greater than the circumference corresponding to the turning radius.

In another embodiment, the forceps channel insertion tube 2-2 and/or the sheath tube 1-6 contains a plurality of the suture needles 3.

In another embodiment, the control handle 1 comprises a holding part 1-1, a pushing rod 1-3 is arranged at the rear end of the holding part 1-1 in a penetrating manner, and a pushing rod 1-5 is arranged at the front end of the holding part 1-1 in a penetrating manner; the front end of the pushing rod 1-3 is abutted against the tail part of the pushing rod 1-5; the front end of the holding part 1-1 is fixedly connected with the sheath tube 1-6.

In another embodiment, the inner hole at the front end of the holding part 1-1 is formed with a female luer 1-7, and the female luer 1-7 is matched with an external luer of a clamp channel of an endoscope; the control handle 1 is connected with a forceps channel of the endoscope in a screwing mode through a luer lock structure.

In another embodiment, a side wall of the holding part 1-1 is provided with a pin hole, and a positioning bolt 1-8 is arranged in the pin hole in a penetrating way; the outer edge of the pushing rod 1-3 is provided with a slot extending along the axial direction; the width of the slot is matched with the diameter of the positioning bolt 1-8; the inner ends of the positioning bolts 1-8 extend into the slots.

In another embodiment, the tail part of the pushing needle bar 1-5 forms a pushing part 1-5-1, and the sectional area of the pushing part 1-5-1 is larger than that of the pushing needle bar 1-5.

In another embodiment, the endoscope front end hoop assembly 2 comprises a hoop body 2-1, and a clamp channel insertion pipe 2-2 is fixedly arranged through the hoop body 2-1 along the axial direction; the front part of the clamp channel insertion pipe 2-2 forms a bent pipe 2-2-1.

In another embodiment, at least one sealing ring 2-3 is embedded in the outer wall of the back part of the forceps channel insertion tube 2-2, and the forceps channel insertion tube 2-2 is fixedly connected with the forceps channel at the front end part of the endoscope through the sealing ring 2-3.

The utility model also provides an endoscope with automatic suturing mechanism, its technical solution is:

the automatic suturing device comprises an endoscope and an automatic suturing mechanism, wherein the automatic suturing mechanism comprises a control handle 1, an endoscope tip hoop component 2 and a suturing needle 3; the suture needle 3 is arranged in the forceps channel insertion tube 2-2 of the endoscope front end hoop component 2 in a penetrating way; a pushing needle rod 1-5 penetrates through a sheath tube 1-6 of the control handle 1; the inner hole of the clamp passage insertion tube 2-2 is communicated with the inner hole of the sheath tube 1-6; the pushing needle rod 1-5 of the control handle 1 is pushed, and the pushing needle rod 1-5 can push the suture needle 3 outwards from the endoscope front end hoop component 2; the material of the suture needle 3 is memory metal;

the endoscope front end hoop component 2 of the automatic suturing mechanism is fixedly sleeved at the endoscope front end part, and the forceps channel insertion tube 2-2 extends into a forceps channel at the endoscope front end part; the control handle 1 is fixedly connected with a forceps channel of the endoscope, the front end of the sheath tube 1-6 is propped against the rear end of the forceps channel insertion tube 2-2, and the push needle rod 1-5 is opposite to an inner hole of the forceps channel insertion tube 2-2 through which the suture needle 3 passes.

The utility model discloses the technological effect that can reach is:

the utility model discloses utilized shape memory alloy's memory effect ingeniously, utilized memory alloy's control by temperature change effect, made the suture needle take place the bending step by step at the propelling movement in-process, the gimmick is sewed up to the simulation line to realize automatic sewing action.

The utility model discloses can simplify the action of sewing up of operation in-process to shorten the operation time greatly.

Drawings

It is to be understood by those skilled in the art that the following description is merely exemplary in nature and that the principles of the present invention may be applied in numerous ways to achieve many different alternative embodiments. These descriptions are only used to illustrate the general principles of the teachings of the present invention and are not meant to limit the inventive concepts disclosed herein.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the general description given above and the detailed description of the drawings given below, serve to explain the principles of the invention.

The invention will be described in further detail with reference to the following drawings and detailed description:

FIG. 1 is a schematic view of the present invention of an automated suturing mechanism for minimally invasive surgery;

FIG. 2 is a schematic view of the control handle of the present invention;

FIG. 3 is a schematic view of an endoscope distal end ferrule assembly of the present invention;

FIG. 4 shows the TINI memory metal suture needle of the present invention after suturing;

FIG. 5 is an enlarged partial schematic view of the connection of the control handle to the endoscope distal end ferrule assembly of the present invention;

fig. 6 is a schematic view showing the connection between the grip of the control handle and the push rod according to the present invention.

The reference numbers in the figures illustrate:

1 is a control handle, 2 is an endoscope front end hoop component,

3 is a TINI memory metal suture needle,

1-1 is a holding part, 1-2 is a fixed pull ring,

1-3 is a push rod, 1-4 is a pull ring of the push rod,

1-5 is a pushing needle bar, 1-6 is a sheath tube,

1-5-1 is a pushing part,

1-7 is an inner luer, 1-8 is a positioning bolt,

2-1 is a hoop body, 2-2 is a forceps channel insertion tube,

2-3 is a sealing ring, and the sealing ring,

2-2-1 is a bent pipe.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in figure 1, the automatic suturing mechanism for minimally invasive surgery of the utility model comprises a control handle 1, an endoscope front end hoop component 2 and a suturing needle 3;

as shown in FIG. 2, the control handle 1 comprises a holding part 1-1, two symmetrical fixed pull rings 1-2 are formed at two side parts of the holding part 1-1; the holding part 1-1 forms a cylinder body, the rear end of the holding part 1-1 is provided with a pushing rod 1-3 in a penetrating way, and the front end of the holding part 1-1 is provided with a pushing rod 1-5 in a penetrating way; the front end of the pushing rod 1-3 is abutted against the tail part of the pushing rod 1-5;

the front end of the holding part 1-1 is fixedly connected with a sheath tube 1-6, and the push needle rod 1-5 is movably arranged in the sheath tube 1-6 in a penetrating way;

a push rod pull ring 1-4 is formed at the tail part of the push rod 1-3; preferably, the tail part of the pushing needle rod 1-5 forms a pushing part 1-5-1, and the sectional area of the pushing part 1-5-1 is larger than that of the pushing needle rod 1-5, so that the T-shaped pushing needle rod 1-5 has a larger stress area;

an inner luer 1-7 is formed on an inner hole at the front end of the holding part 1-1, the inner luer 1-7 is matched with an outer luer of a forceps channel of the endoscope, and the control handle 1 is connected with the forceps channel of the endoscope in a screwing mode through a luer lock structure.

The utility model is provided with two fixed pull rings 1-2 on the control handle 1 to increase the pushing force; when in use, two fingers pull the two fixed pull rings 1-2, and the other finger pushes the pull ring 1-4 of the push rod to enable the push rod 1-3 and the holding part 1-1 to generate relative movement; the pushing rod 1-3 pushes the pushing needle rod 1-5 forwards, so that the pushing needle rod 1-5 moves forwards along the sheath tube 1-6.

As shown in FIG. 3, the endoscope distal end hoop assembly 2 comprises a hoop body 2-1, a forceps channel insertion tube 2-2 is fixedly arranged along the axial direction of the hoop body 2-1 in a penetrating way, and the forceps channel insertion tube 2-2 is fixedly connected with the inner wall of the hoop body 2-1; the forceps channel insertion tube 2-2 deviates from the rotation center of the hoop body 2-1, and the position of the forceps channel insertion tube 2-2 on the hoop body 2-1 corresponds to the position of the forceps channel at the front end part of the endoscope;

the inner diameter of the hoop body 2-1 is matched with the outer diameter of the front end part of the endoscope; the outer diameter of the forceps channel insertion tube 2-2 is matched with the inner diameter of the forceps channel at the tip part of the endoscope, and the inner diameter of the forceps channel insertion tube 2-2 is matched with the outer diameter of the TINI memory metal suture needle 3; the hoop body 2-1 can be fixedly sleeved on the tip part of the endoscope, and the rear part of the forceps channel insertion tube 2-2 can extend into the forceps channel at the tip part of the endoscope; the TINI memory metal suture needle 3 is movably arranged in the forceps channel insertion tube 2-2 in a penetrating way; the TINI memory metal suture needle 3 has an outer diameter identical to the outer diameter of the tip of the push needle rod 1-5.

Preferably, a plurality of sealing rings 2-3 are embedded in the outer wall of the rear part of the forceps channel insertion tube 2-2, and the forceps channel insertion tube 2-2 is fixedly connected with the forceps channel at the front end part of the endoscope through the sealing rings 2-3; the sealing ring 2-3 can not only realize the fastening connection between the forceps channel insertion tube 2-2 and the forceps channel at the front end part of the endoscope, but also strengthen the firm installation between the hoop body 2-1 and the front end part of the endoscope;

the front part of the forceps channel insertion tube 2-2 is bent to form a bent tube 2-2-1, and the bent tube 2-2-1 can play a role of a draw hook when in use;

the inner diameter of the clamp channel insertion tube 2-2 is matched with the front end part of the push needle rod 1-5; when the push needle bar 1-5 is moved forward along the sheath tube 1-6, the leading end of the push needle bar 1-5 is inserted into the inner bore of the clip canal insertion tube 2-2 and pushes the TINI memory metal suture needle 3 forward, so that the TINI memory metal suture needle 3 is extended outward from the front of the clip canal insertion tube 2-2.

The TINI memory metal suture needle 3 of the utility model is made of shape memory alloy wires, such as TINI material; the TINI material has good memory property and biocompatibility; according to different sewing areas, the turning radius of the TINI memory metal sewing needle 3 can be 3-7 mm, and the diameter of the tail end of the sewing needle 3 is not more than 1 mm; the length of the suture needle 3 is larger than the circumference corresponding to the turning radius;

the TINI memory metal suture needle 3 is manufactured by utilizing the memory effect of shape memory alloy and adopting a one-way memory spring manufacturing method, and the recovery form is more than or equal to 36 ℃; when the TINI memory metal suture needle 3 can keep a straight shape at low temperature (such as 20-25 ℃), and can recover to a bent shape as shown in figure 4 at the temperature of more than or equal to 36 ℃;

when the needle bar 1-5 is pushed to push the TINI memory metal suture needle 3 out of the clamp channel insertion tube 2-2 of the endoscope front end hoop assembly 2, the TINI memory metal suture needle 3 contacts human tissues, and the TINI memory metal suture needle 3 naturally bends at the tissue temperature because the temperature of the human tissues is 36-42 ℃; with the pushing action of the pushing needle bar 1-5, the TINI memory metal suture needle 3 forms a curved needle and penetrates through the suture tissue to finally form a slant closed loop state as shown in FIG. 4, thereby completing the tissue suture.

As an embodiment, the suture method after the full-thickness resection of the gastric tumor by adopting the utility model is as follows:

the TINI memory metal suture needle 3 is arranged in a clamp channel insertion tube 2-2 of an endoscope front end hoop component 2 under a low temperature state; since the TINI memory metal suture needle 3 is at a low temperature, it can maintain its straight state; the TINI memory metal suture needle 3 still has certain flexibility at low temperature, so that the TINI memory metal suture needle can penetrate into the bent pipe 2-2-1 of the forceps channel insertion pipe 2-2;

the low temperature state described herein refers to a temperature condition in which the TINI memory metal suture needle 3 maintains a linear state, and the temperature range may vary according to the manufacturing process of the TINI memory metal suture needle 3; the temperature of the present embodiment is set to 20-25 ℃, and can be adjusted according to actual conditions.

The endoscope front end hoop component 2 is arranged at the matched endoscope front end part; the sheath tubes 1-6 are penetrated into a forceps channel of the endoscope, and the control handle 1 is screwed on the forceps channel of the endoscope through a luer lock structure, so that the assembly of the suturing mechanism and the endoscope is completed; as shown in FIG. 5, at this time, the front end of the sheath tube 1-6 is abutted against the rear end of the forceps channel insertion tube 2-2, and the push needle bar 1-5 is opposite to the inner hole of the forceps channel insertion tube 2-2 through which the TINI memory metal suture needle 3 is inserted; the endoscope of this embodiment can adopt an upper digestive tract endoscope with the internal diameter of the forceps channel of 2.8 mm;

then, an oral esophagus protection tube for an endoscope is placed in the oral cavity of a patient (the oral esophagus protection tube for the endoscope belongs to the prior art), then the endoscope with a suture mechanism is inserted into the oral esophagus protection tube, so that the endoscope extends into the stomach through the esophagus of the patient, and the perforation condition of the stomach or the opening condition of the stomach tumor full-thickness resection is observed through the endoscope;

adjusting the position of the tip part of the endoscope according to the observation condition, and pulling one side of the opening to be close to the other side of the opening through the bent pipe 2-2-1 by using the bent pipe 2-2-1 at the front end of the suturing mechanism as a pulling hook;

then two fingers are inserted into two fixed pull rings 1-2 of the control handle 1, the other finger is inserted into a pull ring 1-4 of a push rod, the push rod 1-3 pushes a TINI memory metal suture needle 3 forwards through a push needle rod 1-5 by relative force pulling, and the needle point of the suture needle 3 is slowly inserted into the tissue to be sutured; under the action of the bent tube 2-2-1 and the temperature of a human body, the TINI memory metal suture needle 3 moves forward along a preset turning radius, and after passing through a perforation opening of the stomach or an opening muscle layer cut by the full layer of the stomach, the TINI memory metal suture needle 3 automatically bends back until the opening is closed, and finally the head and the tail of the TINI memory metal suture needle 3 are closed, so that the suture of the opening tissue is realized.

Preferably, a plurality of TINI memory metal suture needles 3 may be sequentially loaded into the forceps channel insertion tube 2-2 and/or the sheath tube 1-6 to form a multiple-pronged device, which can be operated to achieve multiple stitches.

In order to limit the stroke of the pushing rod 1-3, prevent the pushing rod 1-3 from falling out of the holding part 1-1 and simultaneously avoid the rotating motion of the pushing rod 1-3 relative to the holding part 1-1, a pin hole can be arranged on the side wall of the holding part 1-1, and a positioning bolt 1-8 is arranged in the pin hole in a penetrating way, as shown in fig. 6; meanwhile, the outer edge of the push rod 1-3 is provided with a slot extending along the axial direction; the width of the slot is matched with the diameter of the positioning bolt 1-8; the inner ends of the positioning bolts 1-8 extend into the slots, and the length of the slots determines the stroke of the pushing rods 1-3.

The holding part 1-1 and the pushing rod 1-3 are made of PC materials; the sheath tubes 1-6 are made of pipes made of PC materials; preferably, the outer diameter of the sheath 1-6 is 0.4mm smaller than the inserted endoscope channel; the inner diameter of the sheath tube 1-6 is 1.02 mm; the push needle rod 1-5 is made of metal materials such as stainless steel; preferably, the outer diameter of the push needle rod 1-5 is 0.98 mm;

the endoscope front end hoop component 2 is made of medical stainless steel; preferably, the inner diameter of the hoop body 2-1 is slightly larger than the outer diameter of the endoscope front end part, such as within 0.02 mm; the outer diameter of the forceps channel insertion tube 2-2 is slightly smaller than the inner diameter of the forceps channel at the tip part of the endoscope, and the difference is within 0.01 mm; the inner diameter of the forceps channel insertion tube 2-2 is slightly larger than the outer diameter of the TINI memory metal suture needle 3, and if the inner diameter of the forceps channel insertion tube 2-2 is larger than or equal to the outer diameter +0.1mm of the TINI memory metal suture needle 3.

The endoscope distal end hoop assembly 2 of the present invention can also be used as an element of the endoscope distal end portion to form an endoscope with a suturing mechanism.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications of the present invention fall within the scope of the claims and their equivalent technologies, the present invention is also intended to include such modifications and variations.

Claims (10)

1. An automatic suturing mechanism for minimally invasive surgery, characterized in that: comprises a control handle (1), an endoscope front end hoop component (2) and a suture needle (3); the suture needle (3) is arranged in the clamp channel insertion tube (2-2) of the endoscope front end hoop component (2) in a penetrating way; a pushing needle rod (1-5) penetrates through a sheath tube (1-6) of the control handle (1); the inner hole of the clamp passage insertion tube (2-2) is communicated with the inner hole of the sheath tube (1-6);

a push needle rod (1-5) of the push control handle (1), wherein the push needle rod (1-5) can push the suture needle (3) outwards from the endoscope front end hoop component (2);

the material of the suture needle (3) is memory metal.

2. The automated suturing mechanism for minimally invasive surgery of claim 1, wherein: the suture needle (3) keeps a straight shape at low temperature and naturally recovers to a bent shape at the temperature of more than or equal to 36 ℃; the turning radius of the bending state of the sewing needle (3) is 3-7 mm; the length of the suture needle (3) is larger than the circumference corresponding to the turning radius.

3. The automated suturing mechanism for minimally invasive surgery of claim 1, wherein: a plurality of suture needles (3) are arranged in the forceps channel insertion tube (2-2) and/or the sheath tube (1-6).

4. The automated suturing mechanism for minimally invasive surgery of claim 1, wherein: the control handle (1) comprises a holding part (1-1), a pushing rod (1-3) penetrates through the rear end of the holding part (1-1), and a pushing rod (1-5) penetrates through the front end of the holding part (1-1); the front end of the pushing rod (1-3) is abutted against the tail part of the pushing needle rod (1-5); the front end of the holding part (1-1) is fixedly connected with the sheath tube (1-6).

5. The automated suturing mechanism for minimally invasive surgery of claim 4, wherein: an inner luer (1-7) is formed in an inner hole at the front end of the holding part (1-1), and the inner luer (1-7) is matched with an outer luer of a clamp channel of an endoscope; the control handle (1) is connected with a forceps channel of the endoscope in a screwing mode through a luer lock structure.

6. The automated suturing mechanism for minimally invasive surgery of claim 4, wherein: a pin hole is formed in the side wall of the holding part (1-1), and a positioning bolt (1-8) penetrates through the pin hole; the outer edge of the pushing rod (1-3) is provided with a slot extending along the axial direction; the width of the slot is matched with the diameter of the positioning bolt (1-8); the inner ends of the positioning bolts (1-8) extend into the slots.

7. The automated suturing mechanism for minimally invasive surgery of claim 1, wherein: the tail part of the push needle rod (1-5) forms a push part (1-5-1), and the sectional area of the push part (1-5-1) is larger than that of the push needle rod (1-5).

8. The automated suturing mechanism for minimally invasive surgery of claim 1, wherein: the endoscope front end hoop assembly (2) comprises a hoop body (2-1), and a clamp channel insertion pipe (2-2) is fixedly arranged through the hoop body (2-1) along the axial direction; the front part of the clamp passage insertion pipe (2-2) forms a bent pipe (2-2-1).

9. The automated suturing mechanism for minimally invasive surgery of claim 8, wherein: the clamp channel insertion tube (2-2) is embedded with at least one sealing ring (2-3) on the outer wall of the rear part, and the clamp channel insertion tube (2-2) is fixedly connected with a clamp channel at the tip part of an endoscope through the sealing ring (2-3).

10. An endoscope having an automatic suturing mechanism, characterized by: comprises an endoscope and an automatic suturing mechanism, wherein the automatic suturing mechanism comprises a control handle (1), an endoscope front end hoop component (2) and a suturing needle (3); the suture needle (3) is arranged in the clamp channel insertion tube (2-2) of the endoscope front end hoop component (2) in a penetrating way; a pushing needle rod (1-5) penetrates through a sheath tube (1-6) of the control handle (1); the inner hole of the clamp passage insertion tube (2-2) is communicated with the inner hole of the sheath tube (1-6); a push needle rod (1-5) of the push control handle (1), wherein the push needle rod (1-5) can push the suture needle (3) outwards from the endoscope front end hoop component (2); the sewing needle (3) is made of memory metal;

an endoscope front end hoop component (2) of the automatic suturing mechanism is fixedly sleeved at the endoscope front end part, and a clamp channel insertion tube (2-2) extends into a clamp channel at the endoscope front end part; the control handle (1) is fixedly connected with a forceps channel of the endoscope, the front end of the sheath tube (1-6) is abutted against the rear end of the forceps channel insertion tube (2-2), and the push needle rod (1-5) is opposite to an inner hole of the forceps channel insertion tube (2-2) through which the suture needle (3) passes.

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