CN214907472U

CN214907472U - Perforation sewing device

Info

Publication number: CN214907472U
Application number: CN202120284009.5U
Authority: CN
Inventors: 黄航; 李萍; 陈伟; 张方毅
Original assignee: First Affiliated Hospital of Wenzhou Medical University
Current assignee: First Affiliated Hospital of Wenzhou Medical University
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-30
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a perforation seam closes device, its technical scheme main points are including closing the ware main part, close the screw rod with the spiro union seam in closing the ware main part, close the needle with the seam that sets up closing screw tip in the seam, and can close the seam that the needle drove by the seam and close the line, close ware main part cover and establish on closing the screw rod in the seam, be provided with the internal thread structure in closing the ware main part in the seam, be provided with the external screw thread structure on closing the screw rod in the seam, close the needle and be located the tip that closes screw rod screw in seam closed ware main part, close the other end of screw rod for controlling the end, close the curved helical structure setting of making of needle, and the spiral pitch that closes the needle keeps unanimous with the thread pitch of external screw thread structure, the tip that closes the needle is provided with the tape thread structure that is used for driving seam and closes the line, the tip that seam closed the line is provided with the barb structure that is used for preventing seam closed the line and is pulled out. The suturing device can overcome the defect that the existing suturing method is difficult to operate.

Description

Perforation sewing device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say, it relates to a perforation seam closes device.

Background

Surgeons typically use sutures to close wounds, incisions, fistulae, and other common tissue defects. When the defect is close to the patient's skin or other tissue surface, it is often easy for the physician to close the wound seam with a needle. When the defect is located below the tissue surface, the suturing method is highly technology dependent and typically involves directing a curved needle through a small port and through the tissue, with some technical difficulty in operation. This can be particularly difficult after a laparoscopic procedure in the abdominal cavity.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a perforation suturing device which can overcome the defect of difficult operation of the existing suturing method.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a perforation seam closes device, closes the screw rod with the spiro union seam in seam closes the ware main part and set up the seam that closes the screw rod tip closes the needle and can be closed the seam line that the needle drove by the seam, seam closes the ware main part cover and establishes on seam closes the screw rod, be provided with internal thread structure in closing the ware main part, be provided with external screw thread structure on the seam screw rod, seam closes the needle and is located the tip that seam closed screw rod screw in seam closed ware main part, the other end that closes the screw rod is for controlling the end, seam closes the needle and bends into helical structure setting to the spiral pitch that the needle was closed to the seam keeps unanimous with the thread pitch of external screw thread structure, the tip that closes the needle is provided with the belted line structure that is used for driving seam line, the tip that seam closed line is provided with the barb structure that is used for preventing seam line from being torn out.

The utility model discloses further set up to: the barb knot constitutes umbrella-shaped structure setting, take line structure to be located and close the seam on the lateral wall of needle tip, take line structure including the breach that is used for holding the barb structure and set up the lifting hook that is used for colluding in the breach and hangs the barb structure, the length extending direction of lifting hook closes the tip setting of needle towards the seam.

The utility model discloses further set up to: the sewing thread is arranged in a tubular structure and sleeved on the sewing needle, and the inner side wall and the outer side wall of the sewing thread are smoothly arranged.

The utility model discloses further set up to: the suture is made of an absorbable material.

The utility model discloses further set up to: the end part of the suturing device main body is provided with a retaining ring for blocking the skin, and the retaining ring is of a hollow tubular structure and is arranged coaxially with the suturing screw rod.

The utility model discloses further set up to: the retainer ring and the seaming device main body are detachably and fixedly connected.

The utility model discloses further set up to: the tip of seaming ware main part is provided with the conflict turn-ups that can increase the conflict area, the turn-ups's of contradicting tip is provided with annular flexible pad, flexible pad is made by silica gel.

The utility model discloses further set up to: and the control end of the seaming screw rod is provided with a control handle.

The utility model discloses further set up to: and the seaming screw is provided with scales screwed into the seaming device body for depth.

To sum up, the utility model discloses following beneficial effect has: the diameter and length of the suturing needle are larger than the wound, incision, fistula and other common tissue defects to be closed, when a doctor uses the perforation suturing device, the bottom end of the suturing device main body is firstly pressed on the periphery of the suturing position, the suturing needle can be screwed into the suturing device main body in the process of rotating the suturing screw rod, and meanwhile, the suturing needle at the end of the suturing needle is driven to be screwed into the tissue, and the suturing needle surrounds the peripheral tissue of the suturing position to surround the wound channel; when the closing needle drives the closing thread to puncture in place, the closing needle can be driven to withdraw through the rotary closing screw rod, and the closing thread is left in the closing needle after the closing needle is withdrawn, the barb structure can realize the tightening of the closing thread when pulling the closing thread at one end outside, thereby realizing the ligation and the suture of the wound channel; the whole sewing process is fast and convenient, the spiral sewing operation of the sewing needle can be realized through the sewing screw rod, and the problems of high sewing operation difficulty and poor sewing effect in the existing sewing process are solved.

Drawings

FIG. 1 is a cross-sectional view of a perforation closure device;

FIG. 2 is a cross-sectional view of the suture thread fitted over the suture needle at the end;

fig. 3 is a schematic perspective view of the suture at the barb structure.

Reference numerals: 1. a stapler body; 11. butting and flanging; 12. a flexible pad; 13. a retainer ring; 2. closing the screw rod by sewing; 21. a control handle; 3. closing the needle; 31. a strip line structure; 311. a notch; 312. a hook; 4. sewing a thread; 41. barb structure.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-3, a perforation suturing device comprises a suturing device body 1, a suturing screw rod 2 screwed on the suturing device body 1, a suturing needle 3 arranged at the end of the suturing screw rod 2, and a suturing thread 4 driven by the suturing needle 3, wherein the suturing device body 1 is sleeved on the suturing screw rod 2, an internal thread structure is arranged on the suturing device body 1, an external thread structure is arranged on the suturing screw rod 2, the suturing needle 3 is arranged at the end of the suturing screw rod 2 screwed into the suturing device body 1, the other end of the suturing screw rod 2 is an operation end, the suturing needle 3 is bent to be arranged in a spiral structure, and the spiral thread pitch of the seaming needle 3 is consistent with the thread pitch of the external thread structure, the end part of the seaming needle 3 is provided with a thread structure 31 for driving the seaming thread 4, and the end part of the seaming thread 4 is provided with a barb structure 41 for preventing the seaming thread 4 from being pulled out.

The diameter and length of the suturing needle 3 are larger than the wound, incision, fistula and other common tissue defects to be closed, when a doctor uses the perforation suturing device, the bottom end of the suturing device body 1 is firstly pressed on the periphery of the suturing position, the suturing needle can be screwed into the suturing device body 1 in the process of rotating the suturing screw rod 2, the suturing needle 3 at the end of the suturing needle is simultaneously driven to be screwed into the tissue, and the suturing needle 3 surrounds the peripheral tissue of the suturing position to surround the wound channel; when the seaming needle 3 drives the seaming thread 4 to puncture in place, the seaming needle 3 can be driven to withdraw through the rotary seaming screw 2, and the seaming thread 4 is left in the seaming needle 3 after the seaming needle is withdrawn, the barb structure 41 can realize the tightening of the seaming thread 4 when pulling the seaming thread 4 at one end of the outer part, thereby realizing the ligation and seaming of the wound channel; the whole sewing process is fast and convenient, the spiral sewing operation of the sewing needle 3 can be realized through the sewing screw rod 2, and the problems of high difficulty and poor sewing effect of the sewing operation in the existing sewing process are solved.

The suturing device body 1 can be made of transparent materials, and the operation state of the suturing needle 3 can be observed conveniently.

The barb structure 41 is arranged in an umbrella-shaped structure and comprises a plurality of bone bodies which are integrally arranged with the seaming line 4 and a membrane body which is connected between the adjacent bone bodies, the membrane body is connected with each bone body to form a cone shape, and the folding and the unfolding of each bone body can be realized under the action of the membrane body. When the suture 4 is inserted into the tissue from the end part, the tip of the barb structure 41 is arranged forward, so that the suture can be smoothly inserted into the tissue, and when the suture 4 is pulled outwards, the barb structure 41 can be spread to play a role in limiting the suture 4 to be drawn out, so that the ligation suture of the wound channel can be realized.

The thread structure 31 is located on the outer side wall close to the end part of the suturing needle 3, the thread structure 31 comprises a notch 311 used for accommodating the barb structure 41 and a hook 312 arranged in the notch 311 and used for hooking the barb structure 41, and the length extending direction of the hook 312 faces the end part of the suturing needle 3. The end of the closing needle 3 is sharp, so that the needle can conveniently penetrate into tissues, the thread structure 31 is arranged on the outer side wall of the closing needle 3 close to the end, the sharpness of the closing needle 3 when the needle penetrates into tissues cannot be influenced, and the closing thread 4 can be driven to synchronously move. Wherein the arrangement of breach 311 and lifting hook 312 can improve the stability that seam closes the needle 3 and drive seam and close 4 synchronous movement when puncturing to when withdrawing from seam and close needle 3, barb structure 41 also can break away from taking line structure 31 smoothly, has improved operation efficiency greatly.

The closing thread 4 is arranged in a tubular structure and is sleeved on the closing needle 3, the inner side wall and the outer side wall of the closing thread 4 are arranged smoothly, and the closing thread 4 is sleeved on the closing needle 3 and is convenient to puncture with the closing needle 3.

The closing thread 4 is made of an absorbable material, which is a known technique, and adopts a common design, so that the closing thread 4 does not need to be subsequently removed, thereby being beneficial to reducing the pain of a patient and being beneficial to recovery.

The end of the suturing device body 1 is provided with a retainer ring 13 for blocking the skin open, the retainer ring 13 being of a hollow tubular structure and being arranged coaxially with the suturing screw 2. When the perforation suturing device is used for closing the dirty device below the tissue surface, the retainer ring can be inserted into the dirty device until the retainer ring is close to the dirty device, so that the skin tissue can be blocked, the perforation suturing device can conveniently suture and close the dirty wound of the dirty device, and the operation convenience degree of the perforation suturing device is greatly improved.

The retainer ring 13 and the suturing device body 1 are detachably and fixedly connected and can be realized in a threaded manner, and the design scheme ensures that the perforation suturing device can be used for suturing and closing wounds on the surface of skin tissues and also can be used for suturing and closing dirty wounds below the surface of the tissues, so that the use flexibility and the application range of the perforation suturing device are greatly improved; and can also be suitable for the dirty wound of the ware of different degree of depth to sew up and close through changing retaining ring 13 of different length, be favorable to further improving the flexible degree of use and the application scope of perforation suturing device.

The tip of seaming ware main part 1 is provided with the conflict turn-ups 11 that can increase the conflict area, and the tip of conflict turn-ups 11 is provided with annular flexible pad 12, and flexible pad 12 is made by silica gel. The setting of conflict turn-ups 11 can improve the settling stability of seaming ware main part 1 through the area of contact who increases with butt department, and the setting of flexible pad 12 can increase the elasticity when seaming ware main part 1 settles and press the effect to be favorable to improving the settling stability of seaming ware main part 1, effectively avoid its operation in-process to remove.

The control end of the seaming screw rod 2 is provided with a control handle 21, the setting of the control handle 21 can facilitate the rotating operation of the seaming screw rod 2, and the use convenience degree of the perforation seaming device is improved.

The seaming screw 2 is provided with a scale for screwing in the depth of the seaming device body 1, the scale can display the depth of the seaming screw 2 screwing in the seaming device body 1, and then can display the depth of the seaming needle 3 screwing in the tissue, thereby being beneficial to improving the use flexibility and the application range of the perforation seaming device.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A perforation seaming device is characterized in that: comprises a suturing device body (1), a suturing screw rod (2) which is screwed on the suturing device body (1), a suturing needle (3) which is arranged at the end part of the suturing screw rod (2) and a suturing thread (4) which can be driven by the suturing needle (3), wherein the suturing device body (1) is sleeved on the suturing screw rod (2), an internal thread structure is arranged on the suturing device body (1), an external thread structure is arranged on the suturing screw rod (2), the suturing needle (3) is arranged at the end part of the suturing screw rod (2) which is screwed into the suturing device body (1), the other end of the suturing screw rod (2) is an operation end, the suturing needle (3) is bent into a spiral structure, the spiral thread pitch of the suturing needle (3) is consistent with the thread pitch of the external thread structure, the end part of the suturing needle (3) is provided with a thread structure (31) which is used for driving the suturing thread (4), the end of the seaming line (4) is provided with a barb structure (41) for preventing the seaming line (4) from being torn out.

2. The perforation closing apparatus according to claim 1, wherein: barb structure (41) become umbrella structure setting, it is located on the lateral wall near seam needle (3) tip to take line structure (31), take line structure (31) including be used for holding breach (311) of barb structure (41) and set up lifting hook (312) that are used for colluding in breach (311) and hang barb structure (41), the length extending direction of lifting hook (312) closes the tip setting of needle (3) towards the seam.

3. A puncture closing device according to claim 2, wherein: the suturing thread (4) is arranged in a tubular structure and sleeved on the suturing needle (3), and the inner side wall and the outer side wall of the suturing thread (4) are arranged smoothly.

4. A puncture closing device according to any one of claims 1 to 3, wherein: the suture (4) is made of an absorbable material.

5. The perforation closing apparatus according to claim 1, wherein: the end part of the suturing device body (1) is provided with a retaining ring (13) used for blocking the skin, and the retaining ring (13) is of a hollow tubular structure and is arranged coaxially with the suturing screw rod (2).

6. The perforation closing apparatus according to claim 5, wherein: the retainer ring (13) is detachably and fixedly connected with the suturing device main body (1).

7. The perforation closing apparatus according to claim 1, 5 or 6, wherein: the tip of seaming ware main part (1) is provided with conflict turn-ups (11) that can increase the conflict area, the tip of conflict turn-ups (11) is provided with annular flexible pad (12), flexible pad (12) are made by silica gel.

8. The perforation closing apparatus according to claim 1, wherein: and the control end of the seaming screw rod (2) is provided with a control handle (21).

9. The perforation closing apparatus according to claim 1, wherein: the seaming screw (2) is provided with scales screwed into the seaming device main body (1) for depth.