CN215129594U

CN215129594U - Surgical forceps head structure capable of rotating in multiple directions

Info

Publication number: CN215129594U
Application number: CN202023349081.6U
Authority: CN
Inventors: 周宝红; 程达; 刘男; 宋加伟
Original assignee: Hangzhou Kangji Medical Instrument Co Ltd
Current assignee: Hangzhou Kangji Medical Instrument Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-12-14
Anticipated expiration: 2030-12-31

Abstract

The utility model belongs to the technical field of medical instrument, especially, relate to a but multidirectional pivoted operation binding clip structure. The utility model discloses, to the binding clip structure among the prior art operation not nimble enough, can not adapt to the problem of demand under the complicated operation environment, provide a can multidirectional pivoted operation binding clip structure, including the binding clip seat, it is connected with runner assembly to rotate on the binding clip seat, and first control rope is connected on runner assembly and the first control rope of pulling can make the runner assembly take place to rotate, the one end that runner assembly kept away from the binding clip seat is rotated and is connected with the binding clip subassembly that the rotation direction is inequality with the rotation direction of runner assembly, and the second control rope is connected on the binding clip subassembly and the second control rope of pulling can make the binding clip subassembly take place to rotate. The utility model discloses a mutually supporting of runner assembly and binding clip subassembly has realized towards equidirectional rotation, can realize multi-direction rotation at the operation in-process, and the flexible operation, demand under the adaptable complicated operation environment.

Description

Surgical forceps head structure capable of rotating in multiple directions

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a but multidirectional pivoted operation binding clip structure.

Background

The forceps head structure of the surgical forceps is medically used for clamping human tissues in the operation. However, most of the forceps head structures in the prior art can only rotate in one direction, and the operation is not flexible enough, so that the forceps head structure cannot meet the requirements of complex operation environments.

For example, the chinese utility model discloses a laparoscopic electrocoagulation surgery binding clip of hingeless structure [ application number: 201821755767.5], the utility model discloses a include binding clip, lower binding clip, pincers head seat and pull rod, the pull rod slides and sets up in the pincers head seat, its characterized in that: the tail ends of the upper binding clip and the lower binding clip are respectively provided with a cylindrical protrusion I, an arc-shaped hole and a notch, and the upper binding clip and the lower binding clip are rotatably arranged in the positioning holes of the binding clip seat through the cylindrical protrusions I; the head end of the pull rod is provided with a cylindrical protrusion II and a strip-shaped hole, the tail ends of the upper binding clip and the lower binding clip are arranged on two sides of the pull rod, a pin shaft penetrates through the strip-shaped hole and the arc-shaped holes of the upper binding clip and the lower binding clip, and two ends of the pin shaft are fixed in the pin shaft holes on the binding clip seat; the cylindrical protrusions II are respectively arranged on the front surface and the back surface of the end of the pull rod head, and are matched with the openings and are respectively arranged in the openings of the upper binding clip and the lower binding clip.

The utility model discloses a although the danger of having avoided other normal tissues of potential electric injury has reduced the advantage of operation risk, it still can only rotate the centre gripping in a direction, has foretell operation not nimble enough, can not adapt to the problem of demand under the complicated operation environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, provide a can follow a plurality of directions and rotate, but flexible operation's multidirectional pivoted operation binding clip structure.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a can multidirectional pivoted operation binding clip structure, includes the binding clip seat, it is connected with runner assembly to rotate on the binding clip seat, and first control rope is connected on runner assembly and the pulling first control rope can make runner assembly take place to rotate, the one end that runner assembly kept away from the binding clip seat rotates and is connected with the binding clip subassembly that direction of rotation and runner assembly are inequality, and the second control rope is connected on the binding clip subassembly and the pulling second control rope can make the binding clip subassembly take place to rotate, the turned angle scope of binding clip seat and runner assembly all is greater than 135 degrees.

In the above-mentioned structure of the multi-direction rotatable surgical forceps head, the plane of the rotation track of the rotation assembly is perpendicular to the plane of the rotation track of the forceps head assembly.

In the above-mentioned surgical forceps head structure capable of multidirectional rotation, the rotating assembly includes the rotation seat, the one end of rotating the seat is equipped with first rotation wheel, first rotation wheel rotates with the forceps head seat to be connected, first control rope is connected on first rotation wheel and the pulling first control rope can drive first rotation wheel and take place to rotate, the one end of rotating the seat and keeping away from first rotation wheel rotates with the forceps head assembly and is connected.

In the above-mentioned surgical forceps head structure capable of multi-directionally rotating, the rotating base is further fixedly connected with an installation shaft, the limiting wheel is sleeved on the installation shaft and is rotationally connected with the installation shaft, and the second control rope is pressed on the limiting wheel.

In the above-mentioned surgical forceps head structure capable of rotating in multiple directions, the forceps head assembly includes a left forceps head and a right forceps head, one end of the left forceps head close to the rotating assembly is provided with a second rotating wheel, the second rotating wheel is rotatably connected with the rotating assembly, one end of the right forceps head close to the rotating assembly is provided with a third rotating wheel, the third rotating wheel is rotatably connected with the rotating assembly, the second control rope is connected to the second rotating wheel and the third rotating wheel, and the second rotating wheel and/or the third rotating wheel can be rotated by pulling the second control rope.

In the above-mentioned multi-direction rotatable surgical forceps head structure, the second control rope includes a left control rope connected to the second rotating wheel and a right control rope connected to the third rotating wheel.

In the above-mentioned structure of the multi-direction rotatable surgical forceps head, the outer edge of the second rotating wheel and/or the third rotating wheel is extended with an interference prevention step.

In the above-mentioned structure of the multi-directional rotatable surgical forceps head, the surgical forceps head further includes a tensioning wheel assembly for preventing the second control rope from loosening during the rotation of the rotating assembly, the tensioning wheel assembly is connected to the forceps head seat and the rotating assembly, and the second control rope is pressed on the tensioning wheel assembly.

In the above-mentioned surgical forceps head structure capable of rotating in multiple directions, the tensioning wheel assembly includes a first tensioning wheel, a second tensioning wheel and a third tensioning wheel which are sequentially arranged, the first tensioning wheel is connected to the forceps head seat, the second tensioning wheel and the third tensioning wheel are connected to the rotating assembly, the first tensioning wheel, the second tensioning wheel and the third tensioning wheel are all provided with two and respectively correspond to the left control rope and the right control rope, the left control rope is sequentially pressed at the lower end of the first tensioning wheel, the upper end of the second tensioning wheel and the lower end of the third tensioning wheel, and the right control rope is sequentially pressed at the upper end of the first tensioning wheel, the lower end of the second tensioning wheel and the upper end of the third tensioning wheel.

In the above-mentioned structure of the multi-direction rotatable surgical forceps head, the axial lead of the second tensioning wheel coincides with the rotation axis of the rotating assembly rotating relative to the forceps head base.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a mutually supporting of runner assembly and binding clip subassembly has realized towards equidirectional rotation, can realize multi-direction rotation at the operation in-process, and the flexible operation, demand under the adaptable complicated operation environment.

2. The utility model discloses still be equipped with the tensioning wheel subassembly to the realization is to the tension of second control rope, prevents that the second control rope from lax and breaking away from predetermined orbital problem emergence to appear at runner assembly pivoted in-process.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a part of the structure of the present invention;

FIG. 3 is a schematic structural view of the present invention without the control rope wound around it;

in the figure: the tong head comprises a tong head seat 1, a rotating assembly 2, a first control rope 3, a tong head assembly 4, a second control rope 5, a tensioning wheel assembly 6, a rotating seat 21, a first rotating wheel 22, a mounting shaft 23, a limiting wheel 24, a left tong head 41, a right tong head 42, a second rotating wheel 43, a third rotating wheel 44, an anti-interference step 45, a left control rope 51, a right control rope 52, a first tensioning wheel 61, a second tensioning wheel 62 and a third tensioning wheel 63.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, the surgical forceps head structure capable of rotating in multiple directions includes a forceps head holder 1, a rotating assembly 2 is rotatably connected to the forceps head holder 1, a first control rope 3 is connected to the rotating assembly 2, and the first control rope 3 is pulled to rotate the rotating assembly 2, one end of the rotating assembly 2, which is far away from the forceps head holder 1, is rotatably connected to a forceps head assembly 4, the rotating direction of which is different from the rotating direction of the rotating assembly 2, and a second control rope 5 is connected to the forceps head assembly 4, and the second control rope 5 is pulled to rotate the forceps head assembly 4. The first control rope 3 and the second control rope 5 can both adopt steel wire rope materials.

The utility model discloses, during the use, make runner assembly 2 take place to rotate through pulling first control rope 3, make binding clip subassembly 4 take place to rotate through pulling second control rope 5, and both pivoted directions are inequality. The event the utility model discloses a mutually supporting of runner assembly 2 and binding clip subassembly 4 has realized towards the equidirectional rotation not, can realize multi-direction rotation at the operation in-process, and the flexible operation, demand under the adaptable complicated operation environment.

Preferably, the plane of the rotation track of the rotating assembly 2 is perpendicular to the plane of the rotation track of the tong head assembly 4. I.e. the directions of rotation of the rotating assembly 2 and the tong head assembly 4 are perpendicular to each other. Therefore, when the rotating assembly 2 rotates, the partial movement of the forceps head assembly 4 in the rotating direction cannot be generated, namely, the rotation independence of the forceps head assembly and the forceps head assembly is better, and the final position of the forceps head after the rotation is easier to predict and control during the operation.

Referring to fig. 1 and 2, the rotating assembly 2 includes a rotating seat 21, one end of the rotating seat 21 is provided with a first rotating wheel 22, the first rotating wheel 22 is rotatably connected with the bit holder 1, the first control rope 3 is connected to the first rotating wheel 22 and pulls the first control rope 3 to drive the first rotating wheel 22 to rotate, and one end of the rotating seat 21, which is far away from the first rotating wheel 22, is rotatably connected with the bit assembly 4. Pulling the first control rope 3, the first control rope 3 drives the first rotating wheel 22 to rotate the rotating seat 21.

The first control rope 3 and the rotating assembly 2, and the second control rope 5 and the binding clip assembly 4 are connected with each other in a manner that the control ropes are fixedly connected to a fixed block (not shown in the figure) firstly, and then the fixed block is fixedly connected to the rotating wheel.

Preferably, the rotating base 21 is further fixedly connected with a mounting shaft 23, the limiting wheel 24 is sleeved on the mounting shaft 23 and is rotatably connected with the mounting shaft 23, and the second control rope 5 is pressed on the limiting wheel 24. In order to ensure that the binding clip can rotate in two directions, the control rope should be connected to the fixed block in two directions, so that the control rope needs to be wound onto the rotating wheel from different directions, the connection relationship between the right control rope 52 and the third rotating wheel 44 in fig. 2 can be combined, the right control rope 52 can be bent into two parallel lines by pulling the third rotating wheel 44 from two directions, but when approaching the third rotating wheel 44, the right control rope 52 is connected to the fixed block (not shown in the figure, but is a lug fixedly connected to the third rotating wheel 44) from two directions, the two parallel lines at the tail end can gradually extend out an angle and cannot be kept parallel, after the limiting wheel 24 is arranged, the right control rope 52 is pressed on the limiting wheel 24, so that the limiting wheel 24 plays a role in limiting and contracting on the right control rope 52, so that the distance between the two lines can be kept parallel is longer, when in use, the control is more stable.

Referring to fig. 2 and 3, the binding clip assembly 4 includes a left binding clip 41 and a right binding clip 42, a second rotating wheel 43 is disposed at an end of the left binding clip 41 close to the rotating assembly 2, the second rotating wheel 43 is rotatably connected to the rotating assembly 2, a third rotating wheel 44 is disposed at an end of the right binding clip 42 close to the rotating assembly 2, the third rotating wheel 44 is rotatably connected to the rotating assembly 2, the second control rope 5 is connected to the second rotating wheel 43 and the third rotating wheel 44, and pulling the second control rope 5 can rotate the second rotating wheel 43 and/or the third rotating wheel 44.

Preferably, the second control cord 5 includes a left control cord 51 connected to the second turning wheel 43 and a right control cord 52 connected to the third turning wheel 44. The left control rope 51 and the right control rope 52 are controlled independently, so that the left binding clip 41 and the right binding clip 42 can rotate independently, and the user can operate and control the forceps conveniently.

Preferably, the outer edge of the second rotating wheel 43 and/or the third rotating wheel 44 is extended with an interference prevention step 45. In this way, the left control rope 51 connected to the second rotatable wheel 43 and the right control rope 52 connected to the third rotatable wheel 44 can be separated from each other by the interference prevention step 45 during use, thereby preventing the left control rope 51 and the right control rope 52 from being worn due to mutual friction during use.

As shown in fig. 1 and 2, the tensioning device further includes a tensioning wheel assembly 6 for preventing the second control rope 5 from loosening during the rotation of the rotating assembly 2, the tensioning wheel assembly 6 is connected to the holder 1 and the rotating assembly 2, and the second control rope 5 is pressed on the tensioning wheel assembly 6. The utility model discloses still be equipped with take-up pulley subassembly 6 to the realization is tight to second control rope 5, prevents to appear being located the second control rope 5 lax of rotating assembly 2 one side and break away from predetermined orbital problem emergence at rotating assembly 2 pivoted in-process.

Specifically, the tensioning wheel assembly 6 includes a first tensioning wheel 61, a second tensioning wheel 62 and a third tensioning wheel 63 which are sequentially arranged, the first tensioning wheel 61 is connected to the chuck base 1, the second tensioning wheel 62 and the third tensioning wheel 63 are connected to the rotating assembly 2, two first tensioning wheels 61, two second tensioning wheels 62 and two third tensioning wheels 63 are respectively arranged and respectively correspond to the left control rope 51 and the right control rope 52, the left control rope 51 is sequentially pressed at the lower end of the first tensioning wheel 61, the upper end of the second tensioning wheel 62 and the lower end of the third tensioning wheel 63, and the right control rope 52 is sequentially pressed at the upper end of the first tensioning wheel 61, the lower end of the second tensioning wheel 62 and the upper end of the third tensioning wheel 63.

Preferably, the axis of the second tension pulley 62 coincides with the rotation axis of the rotating assembly 2. That is, the axis of the second tension pulley 62 coincides with the axis of the first rotation wheel 22.

The utility model discloses a theory of operation is: during the use, drive first rotation wheel 22 through pulling first control rope 3 for rotate seat 21 and take place to rotate, because binding clip subassembly 4 is connected in the one end of rotating seat 21, so when rotating seat 21 and rotating, binding clip subassembly 4 can wholly remove along with rotating seat 21, still can drive second rotation wheel 43 through pulling left control rope 51 in addition for left binding clip 41 takes place to rotate, drives third rotation wheel 44 through pulling right control rope 52, makes right binding clip 42 take place to rotate. The event the utility model discloses a mutually supporting of runner assembly 2 and binding clip subassembly 4 has realized towards the equidirectional rotation not, can realize multi-direction rotation at the operation in-process, and the flexible operation, demand under the adaptable complicated operation environment.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the jaw base 1, the rotation block 2, the first control rope 3, the jaw assembly 4, the second control rope 5, the tension pulley assembly 6, the rotation block 21, the first rotation wheel 22, the mounting shaft 23, the limiting wheel 24, the left jaw 41, the right jaw 42, the second rotation wheel 43, the third rotation wheel 44, the interference preventing step 45, the left control rope 51, the right control rope 52, the first tension wheel 61, the second tension wheel 62, the third tension wheel 63, etc. are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a can multidirectional pivoted operation binding clip structure, includes binding clip seat (1), its characterized in that: the novel pliers head assembly is characterized in that a rotating assembly (2) is connected to the pliers head seat (1) in a rotating mode, the first control rope (3) is connected to the rotating assembly (2) and can pull the first control rope (3) to enable the rotating assembly (2) to rotate, one end, far away from the pliers head seat (1), of the rotating assembly (2) rotates to be connected with a pliers head assembly (4) with a rotating direction different from that of the rotating assembly (2), the second control rope (5) is connected to the pliers head assembly (4) and can pull the second control rope (5) to enable the pliers head assembly (4) to rotate, and the rotating angle ranges of the pliers head seat (1) and the rotating assembly (2) are larger than 135 degrees.

2. The multi-directional rotatable surgical binding clip structure of claim 1, wherein: the plane of the rotating track of the rotating assembly (2) is perpendicular to the plane of the rotating track of the tong head assembly (4).

3. The multi-directional rotatable surgical binding clip structure of claim 1, wherein: the rotating assembly (2) comprises a rotating seat (21), a first rotating wheel (22) is arranged at one end of the rotating seat (21), the first rotating wheel (22) is rotatably connected with the tong head seat (1), the first control rope (3) is connected to the first rotating wheel (22) and can drive the first rotating wheel (22) to rotate by pulling the first control rope (3), and one end, far away from the first rotating wheel (22), of the rotating seat (21) is rotatably connected with the tong head assembly (4).

4. A multi-directional rotatable surgical binding clip as claimed in claim 3, wherein: the rotating seat (21) is further fixedly connected with an installation shaft (23), the limiting wheel (24) is sleeved on the installation shaft (23) and is rotationally connected with the installation shaft (23), and the second control rope (5) is pressed on the limiting wheel (24).

5. The multi-directional rotatable surgical binding clip structure of claim 1, wherein: the binding clip assembly (4) comprises a left binding clip (41) and a right binding clip (42), a second rotating wheel (43) is arranged at one end, close to the rotating assembly (2), of the left binding clip (41), the second rotating wheel (43) is rotationally connected with the rotating assembly (2), a third rotating wheel (44) is arranged at one end, close to the rotating assembly (2), of the right binding clip (42), the third rotating wheel (44) is rotationally connected with the rotating assembly (2), the second control rope (5) is connected to the second rotating wheel (43) and the third rotating wheel (44), and the second rotating wheel (43) and/or the third rotating wheel (44) can be rotated by pulling the second control rope (5).

6. A multi-directional rotatable surgical binding clip structure as claimed in claim 5, wherein: the second control rope (5) comprises a left control rope (51) connected to the second turning wheel (43) and a right control rope (52) connected to the third turning wheel (44).

7. A multi-directional rotatable surgical binding clip structure as claimed in claim 5, wherein: an anti-interference step (45) extends from the outer edge of the second rotating wheel (43) and/or the third rotating wheel (44).

8. The multi-directional rotatable surgical binding clip structure of claim 6, wherein: the tensioning device is characterized by further comprising a tensioning wheel assembly (6) used for preventing the second control rope (5) from loosening in the rotating process of the rotating assembly (2), wherein the tensioning wheel assembly (6) is connected to the pliers head seat (1) and the rotating assembly (2), and the second control rope (5) is pressed on the tensioning wheel assembly (6).

9. A multi-directional rotatable surgical binding clip as claimed in claim 8, wherein: the tensioning wheel assembly (6) comprises a first tensioning wheel (61), a second tensioning wheel (62) and a third tensioning wheel (63) which are sequentially arranged, the first tensioning wheel (61) is connected to the pliers seat (1), the second tensioning wheel (62) and the third tensioning wheel (63) are connected to the rotating assembly (2), the first tensioning wheel (61), the second tensioning wheel (62) and the third tensioning wheel (63) are respectively provided with two control ropes (51) and two control ropes (52), the left control rope (51) is sequentially arranged at the lower end of the first tensioning wheel (61), the upper end of the second tensioning wheel (62) and the lower end of the third tensioning wheel (63) in a pressing mode, and the right control rope (52) is sequentially arranged at the upper end of the first tensioning wheel (61), the lower end of the second tensioning wheel (62) and the upper end of the third tensioning wheel (63) in a pressing mode.

10. A multi-directional rotatable surgical binding clip as claimed in claim 9, wherein: the axial lead of the second tensioning wheel (62) is coincided with the rotating axial lead of the rotating component (2) rotating relative to the pliers head seat (1).