CN212816380U - Suture puncture forceps - Google Patents

Abstract

The utility model discloses a suture puncture pincers relates to surgical operation apparatus technical field, include: the clamp comprises a hollow cylindrical support sleeve, and a clamp blade part and a handle which are respectively arranged at two ends of the support sleeve; the pincers leaf portion is including fixed support pincers leaf that sets up on the support sleeve pipe and with support pincers leaf and cooperate and articulate the activity pincers leaf on the support sleeve pipe, it is equipped with the traction lever to slide in the support sleeve pipe, it is equipped with the traction seat to slide in the handle, the one end and the activity pincers leaf of traction lever are connected, the other end and the traction seat of traction lever are connected, be equipped with flexible haulage rope between traction lever and the pincers leaf portion, the traction seat is equipped with the slip control button, be equipped with on the outer wall of handle with the movable hole of slip control button assorted, but this puncture pincers exclusive use accomplishes the operation, need not other supplementary pincers, easily grab the line, be difficult for expanding the damage.

Description

Suture puncture forceps

Technical Field

The utility model relates to a surgical operation apparatus technical field, concretely relates to sew up puncture pincers.

Background

When endoscopic surgery is performed, a puncture needle is often needed to penetrate through tissues to place a suture into a surgical area, the puncture needle is withdrawn and then punctured at another point, one end of the suture is clamped in the surgical area and is lifted out of the body, and the suture is knotted in the body to complete the suture. However, the conventional puncture needle is small in clamping groove, so that a thread is not easy to grasp, and another grasping forceps is often needed for assistance in puncture; the exposed sharp edge of the slot can damage the tissue when the slot is punctured with a thread.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suture puncture pincers, but this puncture pincers exclusive use accomplishes the operation, need not other supplementary pincers, easily grab the line, is difficult for expanding the damage tissue.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a suture punch forceps comprising: the clamp comprises a hollow cylindrical support sleeve, and a clamp blade part and a handle which are respectively arranged at two ends of the support sleeve; the clamp blade part comprises a supporting clamp blade fixedly arranged on a supporting sleeve and a movable clamp blade matched with the supporting clamp blade and hinged to the supporting sleeve, a traction rod is arranged in the supporting sleeve in a sliding mode, a traction seat is arranged in a handle in a sliding mode, one end of the traction rod is connected with the movable clamp blade, the other end of the traction rod is connected with the traction seat, a flexible traction rope is arranged between the traction rod and the clamp blade part, a sliding control button is arranged on the traction seat, and a movable hole matched with the sliding control button is formed in the outer wall of the handle.

The front end of this puncture pincers is equipped with pincers leaf portion for the centre gripping suture, pincers leaf portion is solid structure, and the handle is used for medical personnel's gripping and operation, and the support pincers leaf in the pincers leaf portion is fixed to be set up on support sleeve pipe, and handle and support sleeve pipe are hollow structure, and the activity pincers leaf articulates on support sleeve pipe, and the activity pincers leaf can rotate around its pincers leaf axle under the drive of traction lever to the suture is held or is released. The flexible traction rope is further arranged between the traction rod and the movable clamp leaf, only when the traction rope is tensioned, the traction force of the traction rod can be transmitted to the movable clamp leaf, the whole puncture clamp is thin, the diameter is smaller than 2mm, and the tail of the movable clamp leaf is short, so that even if the movable clamp leaf rotates to the maximum angle, the straight line distance of the traction rod is short, the opening angle of the jaw is difficult to accurately control, the flexible traction rope is arranged, the movement distance of the traction rod is increased, and an operator can feel the opening and closing of the movable clamp leaf more easily. The rear end of the traction rod is provided with a traction seat, the traction seat is provided with a sliding control button, the sliding control button moves in the movable hole so as to sequentially drive the traction seat and the traction rod to move along the axial direction of the support sleeve, and the traction rod drives the movable clamp blade to rotate.

Further, in a preferred embodiment of the present invention, the movable clamp leaves include: the movable clamp leaf body part and the movable clamp leaf tail part are arranged on the same side of the support clamp leaf, the included angle between the movable clamp leaf body part close to one side of the support clamp leaf and the movable clamp leaf tail part is an obtuse angle, a clamp leaf shaft is arranged at the joint of the movable clamp leaf body part and the movable clamp leaf tail part, two ends of the clamp leaf shaft are rotatably arranged on the support sleeve, and the traction rope is arranged on the movable clamp leaf tail part.

The movable clamp blade body is matched with the supporting clamp blade to complete the operation of clamping and loosening the suture, and the tail part of the movable clamp blade is connected with the traction rope so as to drive the movable clamp blade body to rotate around the clamp blade shaft. The included angle between the movable clamp blade body and the tail of the movable clamp blade is an obtuse angle, the opening of the obtuse angle faces to the direction of the supporting clamp blade, the larger the angle is, the larger the maximum opening between the movable clamp blade and the supporting clamp blade is, and the larger the maximum distance moved by the draw bar is. In order to ensure that the surrounding tissues cannot be injured when the forceps blade shaft rotates, the two ends of the forceps blade shaft are rotatably arranged on the supporting sleeve, and the two ends of the forceps blade shaft are positioned in the wall of the supporting sleeve.

Further, in the preferred embodiment of the present invention, the pipe wall of the end of the support sleeve close to the movable clamp leaf is provided with a hole, the clamp leaf shaft at the tail of the movable clamp leaf is rotatably disposed in the hole, and the tail of the movable clamp leaf needs to coincide with the surface contour of the circular sphere centered on the central point of the clamp leaf shaft and the radian of the outer wall contacted with the pipe wall of the support sleeve.

The end pipe wall of the supporting sleeve is provided with a hole, the tail part of the movable clamp blade is slidably arranged in the hole, the movable clamp blade can rotate through the hole by taking the clamp blade shaft as a fulcrum, in the rotating range of the movable clamp blade, the radian of the outer wall of the tail part of the movable clamp blade, which needs to be contacted with the pipe wall of the supporting sleeve, is superposed with the surface contour of a circular sphere by taking the central point of the clamp blade shaft as the center, so that the outer wall of the movable clamp blade is always contacted with the inner side wall of the supporting sleeve when the movable clamp blade rotates, namely, the movable clamp blade is contacted with the supporting sleeve with the minimum gap, and the gap can not appear under the ideal condition, thereby avoiding the human tissue from entering the overlarge gap to damage the human.

Further, in the preferred embodiment of the present invention, the supporting clamp leaves and the movable clamp leaves are semi-conical, and the inner surface of the supporting clamp leaves and the movable clamp leaves is a plane, and the inner surface is provided with anti-slip concave-convex blocks, and the back of the supporting clamp leaves and the movable clamp leaves is a smooth arc surface, and the back of the supporting clamp leaves and the movable clamp leaves is blunt.

The supporting forceps leaves and the movable forceps leaves are semi-conical, when the supporting forceps leaves and the movable forceps leaves are folded, the whole forceps leaves are conical, the tips of the forceps leaves are round and blunt, the forceps leaves are favorable for puncturing softer tissues such as fat, muscles and peritoneum, and tough tissues such as blood vessels, nerves, intestinal canals and bladders are not easy to puncture. The inner surfaces of the supporting clamp leaves and the movable clamp leaf body which are oppositely arranged are used for clamping a suture, the two inner surfaces are mutually attached and are provided with anti-skidding concave-convex blocks, the suture is convenient to clamp, and the size of the anti-skidding concave-convex blocks is matched with the diameter of the suture for achieving the anti-skidding effect.

Further, in a preferred embodiment of the present invention, the sliding control button includes: the button lower part and the button head are respectively arranged at two ends of the button neck, and the button lower part is rotationally connected with the traction seat.

The sliding control button is used for driving the traction seat to move, so that the traction seat drives the traction rod to move, and the traction rod drives the movable clamp leaves to open or close.

Further, in a preferred embodiment of the present invention, the traction seat includes: the traction seat front part and the traction seat rear part are arranged at intervals, a button hanging rod is arranged between the traction seat front part and the traction seat rear part, the traction seat front part is connected with the traction rod, and the button lower part is rotatably arranged on the button hanging rod.

The traction seat moves along the axial direction of the supporting sleeve under the driving of the sliding control button, and the button lower part of the sliding control button is rotatably arranged on the button hanging rod, so that the traction seat can be driven to move, and the traction seat can be rotated by a certain angle to be locked.

Further, in a preferred embodiment of the present invention, the movable hole is "L" shaped, including: the first movable hole that extends along the traction seat moving direction and the card hole that sets up with first movable hole is perpendicular, and the button neck slides and sets up in the movable hole.

First movable hole is the through-hole that extends along support sleeve's axial direction, and the card hole sets up in the bottom of first movable hole to perpendicular with first movable hole, when the button neck removes in first movable hole, sliding control button can drive and pull the seat and remove along support sleeve's axis direction, when the button neck rotates the card in the card hole, sliding control button is locked, pulls the unable removal of seat. The length of the first movable hole is equal to the sum of the moving length of the traction rod when the tail of the movable clamp leaf rotates by the maximum angle, the length of the traction rope and the diameter of the neck of the button.

Further, in the preferred embodiment of the present invention, the angle between the body of the movable clamp blade and the tail of the movable clamp blade is 150-155 °.

In the angle range, the maximum opening angle of the movable clamp leaf and the supporting clamp leaf is 60-65 degrees and is not too small, so that the reliable clamping of the suture is fully ensured, and the openings of the movable clamp leaf and the supporting clamp leaf are not too large, so that unnecessary operation is reduced.

Further, in the preferred embodiment of the present invention, the length of the pulling rope is 5-6 mm.

The length of the traction rope is too long, so that the invalid traction length of the traction rod is easily increased, the time is wasted, the working efficiency is reduced, and the traction rope cannot play a good amplification role if the length of the traction rope is too short.

The utility model discloses following beneficial effect has:

the utility model discloses a thereby slidable traction lever drives movable vice leaf and rotates, make the vice leaf open or closed, thereby accomplish the centre gripping or loosen the operation of suture, the traction lever passes through the traction seat and drives, the traction seat passes through sliding control button control and removes or locking, the back-and-forth movement that sliding control button was converted into in the rotation of activity vice leaf, and is easy and simple to handle, and still set up the haulage rope between traction lever and activity vice leaf, suitably enlarge sliding control button's displacement, reinforcing operating personnel responds to, the control accuracy of being convenient for. The puncture forceps are simple in overall structure, easy and convenient to operate, good in operation precision, easy to grasp threads, not prone to damage tissues, and capable of independently, quickly and accurately completing puncture and suture operations.

Drawings

Fig. 1 is a front view of the present invention;

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

fig. 3 is a front view of the traction base of the present invention;

fig. 4 is a front view of the slide control button of the present invention;

fig. 5 is a front view of the movable hole of the present invention.

Wherein: 1-supporting a casing; 11-a drawbar; 12-a hauling rope; 13-a movable hole; 131-a first movable hole; 132-a card hole; 2-a leaf clamping part; 21-supporting the clamp leaves; 22-movable clamp leaves; 221-movable clamp blade body part; 222-movable clamp leaf tail; 223-a leaf axis; 3-a handle; 31-a traction seat; 311-a fifth wheel front; 312 — rear of the fifth wheel; 313-button hanging rod; 32-sliding control button; 321-the lower part of the button; 322-button neck; 323-button head;

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1, a suture puncture forceps includes: a hollow cylindrical support sleeve 1, and a clamp blade part 2 and a handle 3 which are respectively arranged at two ends of the support sleeve 1; the pincers leaf portion 2 includes the fixed support pincers leaf 21 that sets up on the support sleeve 1 and cooperatees and articulates the activity pincers leaf 22 on the support sleeve 1 with supporting pincers leaf 21, and activity pincers leaf 22 includes: the included angle between the movable clamp blade body 221 and the movable clamp blade tail 222 is an obtuse angle, and in the present embodiment, the included angle between the movable clamp blade body 221 and the movable clamp blade tail 222 is 150 °. A clamp blade shaft 223 is arranged at the joint of the movable clamp blade body part 221 and the movable clamp blade tail part 222, and two ends of the clamp blade shaft 223 are rotatably arranged on the support sleeve 1; referring to fig. 2, 2 pore channels perpendicular to the tube wall are provided on the tube wall of the end of the support sleeve 1 close to the movable nipper blade 22, the nipper blade shaft 223 at the tail 222 of the movable nipper blade is slidably disposed in the pore channels, and the radian of the outer wall of the tail 222 of the movable nipper blade, which needs to be in contact with the tube wall of the support sleeve 1 within the rotation range of the movable nipper blade 22, is the same as the surface contour of a circular sphere centering on the center point of the nipper blade shaft 223 and is matched with the pore channels. The supporting clamp blade 21 and the movable clamp blade body 221 are semi-conical bodies with the shapes and the sizes matched, the inner surfaces of the supporting clamp blade 21 and the movable clamp blade body 221 which are arranged oppositely are planes, anti-skidding concave-convex blocks are arranged on the inner surfaces, the back parts of the supporting clamp blade 21 and the movable clamp blade body 221 which are arranged oppositely to the inner surfaces are smooth arc-shaped surfaces, and the tip ends of the supporting clamp blade 21 and the movable clamp blade body 221 are rounded.

Referring to fig. 1, a traction rod 11 is slidably arranged in a support sleeve 1, a traction seat 31 is slidably arranged in a handle 3, one end of the traction rod 11 is connected with a movable jaw 22, the other end of the traction rod 11 is connected with the traction seat 31, a flexible traction rope 12 is arranged between the traction rod 11 and a jaw part 2, and the traction rope 12 is arranged on a tail part 222 of the movable jaw. In this embodiment, the length of the pull cord 12 is 5 mm.

Referring to fig. 1, the traction seat 31 is provided with a sliding control button 32, and the outer wall of the handle 3 is provided with a movable hole 13 matched with the sliding control button 32. Referring to fig. 3, the fifth wheel 31 includes: a front portion 311 and a rear portion 312 of the fifth wheel are spaced apart from each other, a button hanging bar 313 is provided between the front portion 311 and the rear portion 312 of the fifth wheel, the front portion 311 of the fifth wheel is connected to the drawbar 11, and referring to fig. 4, the slide control button 32 includes: the button comprises a button lower part 321, a button neck part 322 and a button head part 323, wherein the button lower part 321 and the button head part 323 are respectively arranged at two ends of the button neck part 322, and the button lower part 321 is rotatably arranged on the button hanging rod 313. Referring to fig. 5, the movable hole 13 is "L" shaped, and includes: a first movable hole 131 extending along the moving direction of the traction seat 31 and a locking hole 132 vertically arranged with the first movable hole 131, and a button neck 322 is slidably arranged in the movable hole 13.

Referring to fig. 1, the utility model discloses a use does:

1. the movable control button is pushed forwards, the neck 322 of the button moves towards the clamp leaf part 2 in the first movable hole 131, the traction seat 31 drives the traction rod 11 to move towards the movable clamp, the tail 222 of the movable clamp leaf 22 rotates clockwise, the angle between the movable clamp leaf 22 and the supporting clamp leaf 21 is increased, the clamp leaf part 2 is opened, one end of a suture is placed between the movable clamp leaf 22 and the supporting clamp leaf 21, the sliding control button 32 moves backwards, the sliding control button 32 drives the traction seat 31 and the traction rod 11 to move towards the handle 3, the tail 222 of the movable clamp leaf 22 rotates anticlockwise, the angle between the movable clamp leaf 22 and the supporting clamp leaf 21 is reduced, the clamp leaf part 2 closes to clamp the suture, and the sliding control button 32 is rotated and clamped into the clamp hole 132 to be locked;

2. the handle 3 of the puncture forceps is held by hand to puncture, and the forceps blade 2 holding the suture is penetrated through the skin puncture hole;

3. after the puncture is in place, the sliding control button 32 is rotated to be released from the clamping hole 132, the button neck 322 is pushed forwards in the first movable hole 131, the forceps blade part 2 is opened at the moment, and the suture is placed in the operation area;

4. the sliding control button 32 retreats in the first movable hole 131 and rotates to be clamped into the clamping hole 132, and the forceps blade part 2 is closed at the moment, so that the puncture forceps can be withdrawn;

5. the hand-held puncture forceps are used for puncturing again and penetrate through the same skin pricking hole in the other direction or at the other skin pricking hole;

6. rotating the sliding control button 32 to unlock the button neck 322 from the clamp hole 132, pushing the sliding control button 32 forward, at this time, opening the forceps blade part 2, clamping the suture with the unfolded forceps blade, retracting the sliding control button 32 and rotating to clamp into the clamp hole 132, and closing the forceps blade part 2 to clamp the suture;

7. withdrawing the puncture forceps, releasing the sliding control from the clamping hole 132, loosening the forceps blade part 2 and pulling out the suture;

8. and lifting the two ends of the suture line and knotting to finish the suture operation.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. A suture puncture forceps, comprising: the clamp comprises a hollow cylindrical support sleeve (1), and a clamp blade part (2) and a handle (3) which are respectively arranged at two ends of the support sleeve (1); pincers leaf portion (2) are including fixed setting support pincers leaf (21) on support sleeve (1) and with support pincers leaf (21) cooperate and articulate activity pincers leaf (22) on support sleeve (1), it is equipped with traction lever (11) to slide in support sleeve (1), it is equipped with traction seat (31) to slide in handle (3), the one end of traction lever (11) with activity pincers leaf (22) are connected, the other end of traction lever (11) with traction seat (31) are connected, traction lever (11) with be equipped with flexible haulage rope (12) between pincers leaf portion (2), traction seat (31) are equipped with sliding control button (32), be equipped with on the outer wall of handle (3) with sliding control button (32) assorted activity hole (13).

2. The suture puncturing forceps of claim 1, wherein the movable jaw (22) comprises: activity pincers leaf somatic part (221) and activity pincers leaf afterbody (222), activity pincers leaf somatic part (221) with contained angle between activity pincers leaf afterbody (222) is the obtuse angle, activity pincers leaf somatic part (221) with the junction of activity pincers leaf afterbody (222) is equipped with pincers leaf axle (223), the both ends of pincers leaf axle (223) are rotated and are set up on supporting sleeve (1), haulage rope (12) set up on the activity pincers leaf afterbody (222).

3. The suture puncture forceps according to claim 2, wherein a duct is provided on the tube wall of the end of the support sleeve (1) close to the movable forceps blade (22), the forceps blade shaft (223) is rotatably provided in the duct, and the radian of the outer wall of the movable forceps blade tail (222) which needs to be in contact with the tube wall of the support sleeve (1) within the rotation range of the movable forceps blade (22) coincides with the surface contour of a circular sphere centered on the central point of the forceps blade shaft (223).

4. The suture puncture forceps according to claim 3, wherein the supporting forceps leaf (21) and the movable forceps leaf body (221) are semi-conical bodies with matched shapes and sizes, the inner surfaces of the supporting forceps leaf (21) and the movable forceps leaf body (221) which are arranged oppositely are both flat surfaces, anti-skidding concave-convex blocks are arranged on the inner surfaces, the back parts of the supporting forceps leaf (21) and the movable forceps leaf body (221) which are arranged oppositely to the inner surfaces are both smooth arc surfaces, and the tips of the supporting forceps leaf (21) and the movable forceps leaf body (221) are blunt.

5. Suture puncturing forceps according to any of claims 1 to 4, characterized in that the sliding control button (32) comprises: button lower part (321), button neck (322) and button head (323), button lower part (321) with button head (323) set up respectively the both ends of button neck (322), button lower part (321) with traction seat (31) rotate and are connected.

6. Suture puncture forceps according to claim 5, characterized in that the traction base (31) comprises: the traction seat is characterized by comprising a traction seat front part (311) and a traction seat rear part (312) which are arranged at intervals, wherein a button hanging rod (313) is arranged between the traction seat front part (311) and the traction seat rear part (312), the traction seat front part (311) is connected with the traction rod (11), and the button lower part (321) is rotatably arranged on the button hanging rod (313).

7. Suture puncture forceps according to claim 6, characterized in that the movable hole (13) is "L" shaped, comprising: the pull seat comprises a first movable hole (131) extending along the moving direction of the pull seat (31) and a clamping hole (132) perpendicular to the first movable hole (131), and the neck (322) of the button is arranged in the movable hole (13) in a sliding mode.

8. The suture punch forceps of claim 2, wherein the angle between the movable blade body (221) and the movable blade tail (222) is 150-155 °.

9. Suture puncture forceps according to claim 1, characterized in that the length of the pull string (12) is 5-6 mm.

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