CN210541726U

CN210541726U - Angle-adjustable nucleus pulposus forceps

Info

Publication number: CN210541726U
Application number: CN201920514839.5U
Authority: CN
Inventors: 雷东
Original assignee: Beijing Donghong Zhiyuan Medical Technology Co ltd
Current assignee: Beijing Donghong Zhiyuan Medical Technology Co ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-05-19
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a nucleus pulposus pincers with adjustable angle, including handle (1), angle adjustment mechanism (2), tong pole (3), go up binding clip (4) and lower binding clip (5), angle adjustment mechanism (2) set up on handle (1), the one end of tong pole (3) with angle adjustment mechanism (2) fixed connection, the other end with go up binding clip (4) with binding clip (5) rotatable coupling down, binding clip (5) down through first connecting wire (6) with angle adjustment mechanism (2) are connected, go up binding clip (4) through second connecting wire (7) with handle (1) are connected. The utility model discloses a lower binding clip angularly adjustable effectively improves the working angle scope of nucleus pulposus pincers.

Description

Angle-adjustable nucleus pulposus forceps

Technical Field

The utility model relates to a nucleus pulposus pincers, concretely relates to nucleus pulposus pincers with adjustable angle belongs to the medical instrument field.

Background

With the progress of medical technology in China, more and more diseases can be treated by minimally invasive surgery, the minimally invasive surgery is a minimally invasive surgery as the name implies, and the harm of the minimally invasive surgery to human bodies is much lower than that of the traditional surgery. Minimally invasive surgery has the advantages of small wound, light pain, quick recovery and the like, so more and more people choose to treat diseases by adopting the minimally invasive surgery.

The nucleus pulposus clamp is an instrument required by minimally invasive surgery and is mainly used for clamping nucleus pulposus. The angle of the existing nucleus pulposus clamp is fixed and unchanged, the lower clamp head and the clamp rod are fixed together, when an operation is carried out, the operable space of a minimally invasive operation is very limited, so that the nucleus pulposus clamp with various angles is required to be used in the operation, the nucleus pulposus clamp needs to be replaced for many times in the operation, the operation risk is increased, the physical consumption of a doctor is very large, and in addition, a plurality of kinds of nucleus pulposus clamps need to be purchased in a hospital, and the purchase cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a nucleus pulposus pincers with adjustable angle to solve the technical problem among the prior art, its lower binding clip angularly adjustable effectively improves the working angle scope of nucleus pulposus pincers.

The utility model provides a nucleus pulposus pincers with adjustable angle, include handle, angle adjustment mechanism, claw beam, go up binding clip and lower binding clip, angle adjustment mechanism sets up on the handle, the one end of claw beam with angle adjustment mechanism fixed connection, the other end with go up the binding clip with binding clip rotatable coupling down, down the binding clip through first connecting wire with angle adjustment mechanism connects, go up the binding clip pass through the second connecting wire with the handle is connected.

In the aforementioned angularly adjustable nucleus pulposus pincers, preferably, the handle comprises a fixed handle and a movable handle which are rotatably connected through a rotating shaft, and the fixed handle is fixedly connected with the angular adjustment mechanism.

In the angle-adjustable nucleus pulposus pincers, preferably, the angle adjusting mechanism comprises a shell, a sliding block and a wrench, one end of the shell is communicated with the inside of the fixed handle, the other end of the shell is communicated with the clamping rod, a strip-shaped hole extending along the length direction of the shell is formed in the bottom of the shell, the wrench is rotatably installed in the shell, the lower end of the wrench extends out of the shell through the strip-shaped hole, sliding grooves are formed in the inner walls of two side surfaces of the shell, the sliding block is connected with the shell in a sliding mode through the sliding grooves, a rack is arranged at the bottom of the sliding block, driving teeth meshed with the rack are arranged at the top end of the wrench, and the first connecting wire is fixedly connected with the sliding block.

In the angle-adjustable nucleus pulposus clamp, preferably, a plurality of positioning holes are formed in the top of the sliding block at equal intervals along the length direction of the sliding block, a through hole is formed in the top of the shell, and the angle-adjustable nucleus pulposus clamp further comprises a positioning pin, wherein the positioning pin is in insertion fit with the through hole and the positioning holes.

In the angle-adjustable nucleus pulposus clamp, preferably, two symmetrically-arranged mounting plates are arranged at the end of the clamp rod, and the upper clamp head and the lower clamp head are rotatably connected with the mounting plates through rotating shafts.

In the angle-adjustable nucleus pulposus clamp, preferably, a partition board is arranged in the clamp rod, the partition board divides the internal space of the clamp rod into an upper channel and a lower channel which have the same size, the first connecting wire is arranged in the lower channel, and the second connecting wire is arranged in the upper channel.

In the aforementioned angularly adjustable nucleus pulposus clamp, preferably, one end of the clamp rod, which is close to the angular adjustment mechanism, is further provided with a flushing joint with a downward opening, and an inner hole of the flushing joint is communicated with the upper channel and the lower channel.

In the angularly adjustable nucleus pulposus clamp, preferably, the outer wall of the clamp rod is provided with a scale value.

In the aforementioned angularly adjustable nucleus pulposus clamp, the wrench is preferably of an arc-shaped structure as a whole.

Compared with the prior art, the utility model discloses an go up binding clip and binding clip all with tong bar rotatable coupling down, lower binding clip realizes angle modulation through first connecting wire and angle adjustment mechanism, goes up the binding clip and realizes through second connecting wire and handle with lower binding clip interlock. The utility model discloses can adjust the angle between binding clip and the tong pole according to the demand, effectively improve the working range of nucleus pulposus pincers, use the utility model discloses can replace many among the prior art nucleus pulposus pincers, need not to change the pliers in the art, not only improve operation speed, reduce the operation wind direction, still reduce the purchasing cost of hospital.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is a schematic view of the internal structure of the angle adjusting mechanism;

figure 3 is a semi-sectional view of the upper and lower binding clip and the ends of the jawset.

Description of reference numerals: 1-handle, 2-angle adjusting mechanism, 3-clamping bar, 4-upper clamping head, 5-lower clamping head, 6-first connecting wire, 7-second connecting wire, 8-fixed handle, 9-movable handle, 10-shell, 11-slide block, 12-wrench, 13-strip-shaped hole, 14-sliding chute, 15-rack, 16-driving tooth, 17-positioning hole, 18-through hole, 19-positioning pin, 20-mounting plate, 21-partition plate, 22-flushing joint, 23-locking hole, 24-second connecting wire through hole, 25-first connecting wire through hole and 26-mounting hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

The embodiment of the utility model provides a: as shown in fig. 1 and 2, an angle-adjustable nucleus pulposus clamp comprises a handle 1, an angle adjusting mechanism 2, a clamp rod 3, an upper clamp head 4 and a lower clamp head 5, wherein the angle adjusting mechanism 2 is arranged on the handle 1, one end of the clamp rod 3 is fixedly connected with the angle adjusting mechanism 2, the other end of the clamp rod is rotatably connected with the upper clamp head 4 and the lower clamp head 5, the lower clamp head 5 is connected with the angle adjusting mechanism 2 through a first connecting wire 6, and the upper clamp head 4 is connected with the handle 1 through a second connecting wire 7.

When the novel forceps are used, the second connecting wire 7 can be pushed and pulled through the handle 1, the second connecting wire 7 drives the upper forceps head 4 to rotate, and the upper forceps head 4 is meshed with the lower forceps head 5; the angle adjusting mechanism 2 can push and pull the first connecting wire 6, and the first connecting wire 6 drives the lower binding clip 5 to rotate, so that the working angle can be adjusted. Through this structural design can make a nucleus pulposus pincers realize multiple working angle, effectively improve its working range, make the doctor need not to change nucleus pulposus pincers in the art, greatly improved the success rate of operation, the hospital also can need not to purchase a large amount of nucleus pulposus pincers, effectively reduces purchasing cost.

It should be noted that, as long as the structure for pushing and pulling the first connecting wire 6 can be used for the angle adjusting mechanism 2, it can be a pure mechanical drive or a motor drive, and a specific structure will be described in the following embodiments. First connecting wire 6 and second connecting wire 7 all preferably adopt the hard metal material that has certain flexibility, and other materials that are applicable to of course manufacturing medical instrument, and can effectively push and pull the binding clip are also applicable to the utility model discloses.

In a specific embodiment, as shown in fig. 1, the handle 1 comprises a fixed handle 8 and a movable handle 9, the fixed handle 8 is fixedly connected with the angle adjusting mechanism 2, specifically, the lower ends of the fixed handle 8 and the movable handle 9 are both provided with a ring part for fingers to penetrate so as to control the nucleus pulposus pincers, the upper part of the movable handle 9 is positioned in the upper structure of the fixed handle 8, the fixed handle and the movable handle are rotatably connected through a rotating shaft, the movable handle 9 is preferably arranged at one side close to the upper and lower pincer heads, the thumb is sleeved in the ring part of the fixed handle 8 during use, the middle finger is sleeved in the ring part of the movable handle 9, the index finger is hooked in the rod part of the movable handle 9, and the index finger and the middle finger are used for controlling. The structure is convenient for the doctor to apply force and the operation.

As shown in fig. 2, the angle adjusting mechanism 2 includes a housing 10, a slider 11 and a wrench 12, one end of the housing 10 is communicated with the inside of the fixed handle 8, the other end is communicated with the clamp rod 3, a strip-shaped hole 13 extending along the length direction of the housing 10 is formed at the bottom of the housing 10, the wrench 12 is rotatably installed in the housing 10, the lower end of the wrench extends out of the housing 10 through the strip-shaped hole 13, sliding grooves 14 are formed on the inner walls of two side surfaces of the housing 10, the slider 11 is slidably connected with the housing 10 through the sliding grooves 14, a rack 15 is arranged at the bottom of the slider 11, a driving tooth 16 meshed with the rack 15 is arranged at the top end of the wrench 12, the first connecting wire 6 is fixedly connected with the slider 11, and.

When the angle of the lower binding clip 5 needs to be adjusted, the angle of the wrench 12 is adjusted by fingers, when the wrench 12 rotates, the driving tooth 16 at the top of the wrench drives the rack 15 to move, the rack 15 is fixed with the sliding block 11, so that the sliding block 11 slides along the sliding groove 14, the first connecting wire 6 is pushed and pulled, and the angle of the lower binding clip 5 and the binding clip 3 is changed by pushing and pulling the first connecting wire 6.

Preferably, for the sake of product beauty on the one hand and material saving on the other hand, the casing 10 is preferably a rectangular parallelepiped structure, the bottom of which is a semicircular convex structure, the strip-shaped hole 13 is formed on the semicircular convex arc structure, and the upper end of the wrench 12 is located in the semicircular convex structure. In order to enable the first connecting wire 6 and the second connecting wire 7 to operate smoothly, it is preferable that two holes, a first connecting wire through hole 25 and a second connecting wire through hole 24, are provided at one end of the housing 10 connected to the clamp lever 3, a second connecting wire through hole 24 is provided at one end of the housing 10 connected to the fixed handle 8, the second connecting wire 7 penetrates the housing 10 through the second connecting wire through hole 24, and the first connecting wire through hole 25 and the second connecting wire through hole 24 can play a role in guiding.

In addition, the connection mode of the first connecting wire 25 and the sliding block 11 can also adopt various modes, such as clamping, riveting, fastener connection and the like, in this embodiment, it is preferable to provide a mounting hole 26 at the end of the sliding block 11, and provide a locking hole 23 perpendicular to the mounting hole at one side, first insert the first connecting wire 25 into the mounting hole 26, and then fix the first connecting wire 25 in the mounting hole 26 by using the cooperation of the locking bolt and the locking hole 23. Not only is convenient to operate, but also is convenient to process and manufacture.

After the angle of the lower binding clip 5 is adjusted, in order to prevent the sliding block 11 from moving by itself, and the angle of the lower binding clip 5 can be changed, preferably, a plurality of positioning holes 17 are further formed in the top of the sliding block 11 at equal intervals along the length direction of the sliding block, a through hole 18 is formed in the top of the shell 10, and a positioning pin 19 is further included, and the positioning pin 19 is in inserting fit with the through hole 18 and the positioning holes 17. Of course, there are many structures for limiting the degree of freedom of the slider 11, and this embodiment is only one of the structures, and other structures capable of limiting the degree of freedom of the slider are also applicable to the present invention. It should be noted that, the limiting structure of the slider 11 is not a necessary structure, because the slider 11 can not move automatically even if the structure is not set, and the structure is set only for improving the use reliability of the present invention.

Further, as shown in fig. 3, two symmetrically arranged mounting plates 20 are provided at the end of the clamp rod 3, and the upper clamp head 4 and the lower clamp head 5 are rotatably connected with the mounting plates 20 through rotating shafts.

A partition plate 21 is arranged in the clamping rod 3, the partition plate 21 divides the inner space of the clamping rod 3 into an upper channel and a lower channel which are equal in size, the first connecting wire 6 is arranged in the lower channel, and the second connecting wire 7 is arranged in the upper channel. And one end of the clamp rod 3, which is close to the angle adjusting mechanism 2, is also provided with a flushing joint 22 with a downward opening, and an inner hole of the flushing joint 22 is communicated with the upper channel and the lower channel. The outer wall of the clamp rod 3 is provided with a scale value.

The structure, features and effects of the present invention have been described in detail above according to the embodiment shown in the drawings, and the above description is only the preferred embodiment of the present invention, but the present invention is not limited to the implementation scope shown in the drawings, and all changes made according to the idea of the present invention or equivalent embodiments modified to the same changes should be considered within the protection scope of the present invention when not exceeding the spirit covered by the description and drawings.

Claims

1. The utility model provides a nucleus pulposus pincers with adjustable angle, its characterized in that includes handle (1), angle adjustment mechanism (2), claw beam (3), goes up binding clip (4) and binding clip (5) down, angle adjustment mechanism (2) set up on handle (1), the one end of claw beam (3) with angle adjustment mechanism (2) fixed connection, the other end with go up binding clip (4) with binding clip (5) rotatable coupling down, binding clip (5) down through first connecting wire (6) with angle adjustment mechanism (2) are connected, go up binding clip (4) through second connecting wire (7) with handle (1) are connected.

2. The adjustable angle nucleus pulposus clamp of claim 1, wherein: the handle (1) comprises a fixed handle (8) and a movable handle (9), the fixed handle and the movable handle are rotatably connected through a rotating shaft, and the fixed handle (8) is fixedly connected with the angle adjusting mechanism (2).

3. The adjustable angle nucleus pulposus clamp of claim 2, wherein: the angle adjusting mechanism (2) comprises a shell (10), a sliding block (11) and a wrench (12), one end of the shell (10) is communicated with the inside of the fixed handle (8), the other end is communicated with the forceps rod (3), a strip-shaped hole (13) extending along the length direction is formed at the bottom of the shell (10), the wrench (12) is rotatably arranged in the shell (10), the lower end of the shell extends out of the shell (10) through the strip-shaped hole (13), the inner walls of two side surfaces of the shell (10) are provided with sliding chutes (14), the sliding block (11) is connected with the shell (10) in a sliding way through the sliding groove (14), the bottom of the sliding block (11) is provided with a rack (15), the top end of the wrench (12) is provided with a driving tooth (16) meshed with the rack (15), and the first connecting wire (6) is fixedly connected with the sliding block (11).

4. The adjustable angle nucleus pulposus clamp of claim 3, wherein: the top of slider (11) is equipped with a plurality of locating holes (17) along its length direction equidistance, the top of casing (10) is equipped with a through-hole (18), still includes locating pin (19), locating pin (19) with through-hole (18) with locating hole (17) are pegged graft the cooperation.

5. The adjustable angle nucleus pulposus clamp of claim 1, wherein: the end part of the clamp rod (3) is provided with two mounting plates (20) which are symmetrically arranged, and the upper clamp head (4) and the lower clamp head (5) are rotationally connected with the mounting plates (20) through rotating shafts.

6. The adjustable angle nucleus pulposus clamp of claim 1 or 5, wherein: the novel clamp is characterized in that a partition plate (21) is arranged in the clamp rod (3), the partition plate (21) divides the inner space of the clamp rod (3) into an upper channel and a lower channel which are equal in size, the first connecting wire (6) is arranged in the lower channel, and the second connecting wire (7) is arranged in the upper channel.

7. The adjustable angle nucleus pulposus clamp of claim 6, wherein: one end of the clamp rod (3) close to the angle adjusting mechanism (2) is further provided with a flushing joint (22) with a downward opening, and an inner hole of the flushing joint (22) is communicated with the upper channel and the lower channel.

8. The adjustable angle nucleus pulposus clamp of claim 6, wherein: the outer wall of the clamp rod (3) is provided with a scale value.

9. The adjustable angle nucleus pulposus clamp of claim 3, wherein: the wrench (12) is integrally of an arc-shaped structure.