CN209899494U

CN209899494U - Suturing device for percutaneous great saphenous vein suturing operation

Info

Publication number: CN209899494U
Application number: CN201920196064.1U
Authority: CN
Inventors: 黄献琛
Original assignee: SUZHOU CITY HOSPITAL OF TRADITIONAL CHINESE MEDICINE
Current assignee: SUZHOU CITY HOSPITAL OF TRADITIONAL CHINESE MEDICINE; Suzhou Municipal Hospital
Priority date: 2019-02-14
Filing date: 2019-02-14
Publication date: 2020-01-07
Anticipated expiration: 2029-02-14

Abstract

The utility model discloses a suturing device for percutaneous great saphenous vein suturing operation, the stand pipe including lead wire ware and built-in suturing line, the lead wire ware penetrates in the stand pipe and can remove along the stand pipe. The guide tube comprises a first tube and a second tube which are integrally formed and form a bending structure, and the first tube is positioned at the front end of the second tube. The side wall of the first pipe is provided with a first through hole for the sewing thread to penetrate out, the side wall of the second pipe is provided with a second through hole for the thread guide to penetrate out, a guide strip for guiding the thread guide to penetrate in the guiding direction is arranged at the position of the second through hole, and the extension line of the guide strip is aligned to the first through hole. The lateral wall of the guide pipe is also provided with an axial groove extending from the first through hole to the second through hole. The utility model discloses a cooperation of thread guide and stand pipe has realized the encirclement of suture to great saphenous vein, and then has reduced the wound area of great saphenous vein suture operation, has improved the recovery speed of patient's postoperative.

Description

Suturing device for percutaneous great saphenous vein suturing operation

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a suturing device that is used for percutaneous great saphenous vein suturing operation.

Background

Varicose veins of great saphenous vein is a common disease in life and is characterized by earthworm-like, silted and distended superficial veins of lower limbs. The current common surgical method is to firstly ligate the great saphenous vein at the high position, and then to perform the trunk drawing and stripping of the varicose vein and branch vein stripping. In the prior art, the high ligation is to introduce a suture line behind the great saphenous vein, clamp the suture line by a distal clamp and drive the suture line to bypass the great saphenous vein, and then perform the suture by matching with a proximal clamp. This approach requires a 3-5 cm incision in the skin, a large surgical wound area, and a long post-operative recovery time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a suturing device for percutaneous great saphenous vein suturing operation, which is matched with an operation knotter to realize the suturing of the percutaneous great saphenous vein, thereby not only reducing the wound area of the operation, improving the postoperative beauty effect, but also improving the postoperative recovery speed of patients.

In order to achieve the above purpose, the utility model discloses a technical scheme is: a suturing device for percutaneous great saphenous vein suturing operation comprises a thread guiding device and a guide tube with a built-in suturing thread, wherein the thread guiding device penetrates into the guide tube and can move along the guide tube. The guide tube comprises a first tube and a second tube which are integrally formed and form a bending structure, and the first tube is positioned at the front end of the second tube. The side wall of the first pipe is provided with a first through hole for the sewing thread to penetrate out, the side wall of the second pipe is provided with a second through hole for the thread guide to penetrate out, a guide strip for guiding the thread guide to penetrate in the guiding direction is arranged at the position of the second through hole, and the extension line of the guide strip is aligned to the first through hole. The lateral wall of the guide pipe is also provided with an axial groove extending from the first through hole to the second through hole.

The beneficial effects of the utility model reside in that: the great saphenous vein can be placed on the inner side of a bend formed by the first tube and the second tube, the suture line in the guide tube enters the body from the first through hole through the first through hole, the thread guide device can enter the body from the second through hole through the second through hole, the thread guide device can move to the first through hole through the guide strip so as to hook the suture line at the first through hole, and the great saphenous vein is limited in a closed loop formed by the thread guide device and the bend structure; the thread guide device is pulled back and drives the suture line positioned at the first through hole to move towards the second through hole, the suture line positioned in the guide tube penetrates out of the axial groove and surrounds the great saphenous vein together with the suture line hooked by the thread guide device, and the suture line of the great saphenous vein can be sutured by matching with the operation knotter. The utility model discloses a bending structure's stand pipe and the lead wire ware that can penetrate in the stand pipe have reduced the wound area of great saphenous vein operation, have improved the cosmetic effect of postoperative, have improved the recovery rate of patient's postoperative moreover, have alleviateed the misery of patient's postoperative.

Further, the thread guide device comprises a push rod, wherein the front end of the push rod is provided with a thread guiding needle capable of being bent elastically, and the front end of the thread guiding needle abuts against the guide strip. When the push rod is pushed downwards through the elastically bent thread guiding needle, the thread guiding needle can penetrate out of the second through hole along the guide plate and move towards the first through hole.

Further, the front end of the thread guiding needle is provided with a buckling part which is convenient for drawing and sewing the thread. The front end of the suture is fixed through the clamping part, so that the thread guiding needle can drive the suture to move.

Furthermore, the rear end of the second tube is provided with an outer fixing part fixedly connected with the second tube, a first through groove for a thread guide to penetrate through and a second through groove for a binding thread to penetrate through are formed in the outer fixing part, and the first through groove and the second through groove are communicated with the inside of the second tube; the front end of the stitching and binding line is positioned at the first through hole, and the rear end of the stitching and binding line is positioned outside the second through groove. During operation, the first tube and the second tube are positioned in the body, the outer fixing part is positioned outside the body, the second tube is communicated with the outside through the outer fixing part connected with the second tube, and the second tube is convenient to take out; make the lead wire ware can follow the external entering of external No. two intraductal through a logical groove, make the one end of seam ligature be located extracorporeally through No. two logical grooves, be convenient for control seam ligature in vitro.

Further, a fastener for inserting the fastener is provided at the front end of the suture thread. The suture and the thread guiding needle are fixedly connected through the matching of the clamping piece and the clamping portion, so that the thread guiding needle drives the suture to move.

Furthermore, a limiting strip which is parallel to the second tube in the axial direction is further arranged in the second tube, one end of the limiting strip is fixedly connected with the outer fixing part, and the other end of the limiting strip is fixedly connected with the guide strip. The moving range of the thread guide in the second tube is limited by the limiting strips, and the thread guide needle can only penetrate out of the second through hole.

Further, the rear end of the push rod is provided with an end cover, and the radial dimension of the end cover is larger than that of the first-pass groove. The end cover positioned outside the one-number through groove limits the moving range of the push rod, and the push rod can be taken out from the one-number through groove more conveniently.

Further, the two sides of the outer fixing part are provided with handheld parts which are convenient for pushing the push rod.

Furthermore, the front end of the first tube is provided with a tip part convenient for puncture. The resistance of the first tube to enter the body is reduced by the arrangement of the tip part.

Drawings

Fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention;

FIG. 2 is a partial enlarged view of portion A of FIG. 1;

FIG. 3 is a partial enlarged view of a portion B in FIG. 1;

fig. 4 is a schematic cross-sectional structure diagram of an embodiment of the present invention;

FIG. 5 is a partial enlarged view of the portion C in FIG. 4;

fig. 6 is a partially enlarged view of a portion D in fig. 4.

In the figure:

1-a wire guide; 11-a push rod; 12-a thread guide needle; 121-a fastening part; 13-end cap; 2-sewing and binding the thread; 21-a fastener; 3-a guide tube; 31-first tube; 311-one through hole; 32-second tube; 321-second through hole; 322-a guide bar; 323-spacing strip; 33-an outer fixation part; 331-one-number through groove; 332-through groove II; 333-hand held part.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached drawings 1-6, the suturing device for percutaneous great saphenous vein suturing operation of the present invention comprises a thread guide 1 and a guide tube 3 with a built-in suturing thread 2, wherein the thread guide 1 penetrates into the guide tube 3 and can move along the guide tube 3. The guide tube 3 comprises a first tube 31 and a second tube 32 which are integrally formed and form a bending structure, and the first tube 31 is positioned at the front end of the second tube 32. The front end of a pipe 31 is equipped with the pointed end portion of being convenient for the puncture, is equipped with the through-hole 311 that can supply the suture 2 to wear out on the lateral wall, be equipped with the through-hole 321 No. two that can supply the lead wire ware 1 to wear out on the lateral wall of No. two pipes 32, No. two through-hole 321 departments are equipped with the gib block 322 that is used for guiding the lead wire ware 1 direction of wearing to lead, the extension line of gib block 322 aligns No. one through-hole 311. The side wall of the guide tube 3 is also provided with an axial slot extending from the first through hole 311 to the second through hole 321.

The great saphenous vein can be placed on the inner side of a bend formed by the first tube 31 and the second tube 32 through the bending structures of the first tube 31 and the second tube, the suture line 2 in the guide tube 3 enters the body from the first through hole 311 through the first through hole 311, the thread guide device 1 can enter the body from the second through hole 321 through the second through hole 321, the thread guide device 1 can move to the first through hole 311 through the guide strip 322 to hook the suture line 2 in the first through hole 311, and the great saphenous vein is limited in a closed loop formed by the thread guide device 1 and the bending structures; the thread guide device 1 is pulled back and drives the suture thread 2 located at the first through hole 311 to move towards the second through hole 321, at the moment, the suture thread 2 located in the guide tube 3 penetrates out of the axial slot, and surrounds the great saphenous vein together with the suture thread 2 hooked by the thread guide device 1.

The rear end of the second tube 32 is provided with an outer fixing part 33 fixedly connected with the second tube, a first through groove 331 for the lead wire device 1 to penetrate and a second through groove 332 for the suture wire 2 to penetrate are arranged in the outer fixing part 33, and the first through groove 331 and the second through groove 332 are communicated with the inside of the second tube 32.

The front end of the stitching line 2 is located at the first through hole 311, and the rear end is located outside the second through groove 332. The front end of the stitching line 2 is provided with a buckle part 21 used for connecting a wire leading device, the outer wall of the buckle part is an arc-shaped surface, and a buckle groove is formed in the buckle part.

And a limiting strip 323 which is parallel to the second tube 32 in the axial direction is further arranged in the second tube, one end of the limiting strip 323 is fixedly connected with the outer fixing part 33, and the other end of the limiting strip 323 is fixedly connected with the guide strip 322.

The thread guide device 1 comprises a push rod 11, wherein the front end of the push rod 11 is provided with a thread guide needle 12 capable of being bent elastically, the rear end of the push rod 11 is provided with an end cover 13 positioned outside a first-number through groove 331, and the radial dimension of the end cover 13 is larger than that of the first-number through groove 331. The front end of the lead pin 12 is provided with a buckling part 121 which can be embedded into the buckling groove, and the buckling part 121 abuts against the guide strip 322 and can move to the position of the first through hole 311 along the guide strip 322.

The rear end of the buckling part 121 is an arc structure fixedly connected to the front end of the needle guide, and the front end is a barb part matched with the buckling groove.

The outer fixing portion 33 of this embodiment is further provided with a holding portion 333 at both sides thereof for facilitating pushing the push rod 11.

The specific use process of this embodiment is as follows:

an incision for the first tube 31 to enter is cut on the skin, and the guide tube 3 is penetrated into the rear side of the great saphenous vein from the incision; the thread guide device 1 is inserted into the second tube 32 from the first through groove 331, and the thread guide needle 12 enters the front side of the great saphenous vein from the second through hole 321; continuing to push the push rod 11 to make the lead wire needle 12 move along the direction of the guide strip 322 at the first through hole 311 until the buckling part 121 is embedded into the buckling piece 21; the push rod 11 is pulled back to enable the buckling part 121 to drive the buckling part 21 to move towards the direction of the second through hole 321, and at the moment, the suture 2 in the guide tube 3 penetrates out of the axial slot and forms a surrounding effect on the greater saphenous vein with the buckling part 21; continuing to pull back the push rod 11 to enable the buckle piece 21 to enter the second tube 32 from the second through hole 321 and further enter the outside of the body from the first through groove 331, and at the moment, two ends of the suture line 2 are located outside the body; the guide tube 3 is taken out and is matched with a surgical knotter to knot the suture 2 around the great saphenous vein.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A suturing device for percutaneous great saphenous vein suturing operation is characterized in that: the suture guide device comprises a thread guide device (1) and a guide tube (3) with a built-in suture (2), wherein the thread guide device (1) penetrates into the guide tube (3) and can move along the guide tube (3); the guide pipe (3) comprises a first pipe (31) and a second pipe (32) which are integrally formed and form a bending structure, and the first pipe (31) is positioned at the front end of the second pipe (32); a first through hole (311) through which a sewing thread (2) can penetrate is formed in the side wall of the first tube (31), a second through hole (321) through which a thread guide (1) can penetrate is formed in the side wall of the second tube (32), a guide strip (322) used for guiding the threading direction of the thread guide (1) is arranged at the second through hole (321), and an extension line of the guide strip (322) is aligned to the first through hole (311); the side wall of the guide pipe (3) is also provided with an axial groove extending from the first through hole (311) to the second through hole (321).

2. The stitcher according to claim 1, wherein: the thread guide device (1) comprises a push rod (11), wherein a thread guide needle (12) capable of being bent elastically is arranged at the front end of the push rod (11), and the front end of the thread guide needle (12) abuts against a guide strip (322).

3. The stitcher according to claim 2, wherein: the front end of the thread guiding needle (12) is provided with a buckling part (121) which is convenient for drawing the suture (2).

4. The stitcher according to any one of claims 2-3, wherein: the rear end of the second tube (32) is provided with an outer fixing part (33) fixedly connected with the second tube, a first through groove (331) for a thread guide (1) to penetrate through and a second through groove (332) for a suture thread (2) to penetrate through are arranged in the outer fixing part (33), and the first through groove (331) and the second through groove (332) are communicated with the inside of the second tube (32); the front end of the stitching line (2) is positioned at the first through hole (311), and the rear end of the stitching line is positioned outside the second through hole (332).

5. The stitcher according to claim 4, wherein: the front end of the stitching line (2) is provided with a buckle piece (21) for embedding the buckle part (121).

6. The stitcher according to claim 4, wherein: and a limiting strip (323) which is axially parallel to the second tube (32) is also arranged in the second tube, one end of the limiting strip (323) is fixedly connected with the outer fixing part (33), and the other end of the limiting strip (323) is fixedly connected with the guide strip (322).

7. The stitcher according to claim 4, wherein: an end cover (13) is arranged at the rear end of the push rod (11), and the radial size of the end cover (13) is larger than that of the first through groove (331).

8. The suturing device of any one of claims 5-7, wherein: and hand-held parts (333) which are convenient for pushing the push rod (11) are arranged on two sides of the outer fixing part (33).

9. The stitcher according to claim 1, wherein: the front end of the first tube (31) is provided with a tip part convenient for puncture.