CN220442712U - Universal pliers for minimally invasive surgery - Google Patents
Universal pliers for minimally invasive surgery Download PDFInfo
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- CN220442712U CN220442712U CN202222477014.5U CN202222477014U CN220442712U CN 220442712 U CN220442712 U CN 220442712U CN 202222477014 U CN202222477014 U CN 202222477014U CN 220442712 U CN220442712 U CN 220442712U
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- Prior art keywords
- sleeve
- fixedly connected
- block
- limiting
- minimally invasive
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- 238000002324 minimally invasive surgery Methods 0.000 title claims abstract description 31
- 238000010008 shearing Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model provides universal pliers for minimally invasive surgery, comprises a pushing component, a rotating wheel component and a shearing head component; the pushing assembly comprises a handle fixing block; the handle fixing block is connected with a lantern ring through threads; the handle fixing block is provided with a notch; the notch is provided with a handle movable block which is rotationally connected with the handle fixed block through a rotating shaft; the handle fixing block is provided with a through hole; the handle movable block is provided with a placing groove; a transmission shaft penetrating through the through hole is arranged in the placing groove; the rotary wheel assembly comprises a circular plate and a rotary wheel; the circular plate is fixedly connected with and sleeved with a sleeve on the surface of the transmission shaft; the sleeve is connected with the handle fixing block through the limiting piece; the rotating wheel is fixedly connected with a second sleeve; the second sleeve is rotationally connected with the sleeve; the circular plate is connected with the rotating wheel through a second limiting piece; the angle adjustment is convenient for carry out to the shearing head, and the installation is convenient for dismantle, and the upper shearing head of being convenient for presss from both sides with lower shearing head and gets.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to universal pliers for minimally invasive surgery.
Background
In minimally invasive endoscopic surgery, the surgical channel through which the surgical instrument enters the body cavity of the human body is mostly a single or multiple small circular hole-like incisions. In minimally invasive endoscopic procedures, it is often necessary to clip, trim, clamp sutures, tissues or instruments from the body cavity.
Publication (bulletin) number: CN205286472U, application number: CN20160045222. X, a universal pliers for minimally invasive surgery, including first handle, second handle, hollow dead head pole, jaw subassembly and pull rod, first handle is articulated with the second handle, and the one end of dead head pole is fixed on the second handle, and jaw subassembly installs the other end at hollow dead head pole, and the pull rod suit is in the dead head pole, and the one end and the first handle of pull rod are connected, and the other end and the jaw subassembly of pull rod are connected, the position has concatenated the spring between the both ends of dead head pole, and the pull rod passes the hollow passageway of spring. Because the fixed head rod connecting the handle and the clamp assembly is connected with the spring in series, the clamp assembly can avoid blood vessels, healthy tissues and the like by bending the spring in the process of inserting the clamp assembly into a body cavity of a human body due to the telescopic and bending memory functions of the spring, so that the clamp assembly can quickly and conveniently reach an operation position, and the safety and the use flexibility of the forceps are improved.
The above patent is inconvenient to separate the clamping and angle adjustment, is easy to position inaccurately, and is inconvenient to detach and install, so we propose universal pliers for minimally invasive surgery to solve the above problems.
Disclosure of Invention
The universal forceps for minimally invasive surgery provided by the utility model has the advantages of simple structure, convenience in use, convenience in angle adjustment of the shearing head, convenience in mounting and dismounting, and convenience in clamping of the upper shearing head and the lower shearing head.
The utility model provides universal pliers for minimally invasive surgery, which comprise a pushing assembly, a rotating wheel assembly and a shearing head assembly; the pushing component comprises a handle fixing block; the handle fixing block is connected with a lantern ring through threads; the handle fixing block is provided with a notch; the notch is provided with a handle movable block which is rotationally connected with the handle fixed block through a rotating shaft; the handle fixing block is provided with a through hole; a placing groove is formed in the handle movable block; a transmission shaft penetrating through the through hole is arranged in the placing groove; the rotary wheel assembly comprises a circular plate and a rotary wheel; a sleeve sleeved on the surface of the transmission shaft is fixedly connected to the circular plate; the sleeve is connected with the handle fixing block through the limiting piece; a second sleeve is fixedly connected to the rotating wheel; the second sleeve is rotationally connected with the sleeve; the circular plate is connected with the rotating wheel through a second limiting piece; the shear head assembly comprises an upper shear head and a lower shear head which is rotationally connected with the upper shear head through a second rotating shaft; one end of the upper shearing head, which is close to the second rotating shaft, is of a bending structure; the bending structure is rotationally connected with a connecting plate through a third rotating shaft; the connecting plate is hinged with the transmission shaft; a third sleeve is sleeved on the second sleeve; two arc-shaped limiting grooves are formed in the third sleeve; an arc-shaped plate attached to the second sleeve is arranged in the third sleeve; a third limit post arranged in the arc-shaped limit groove is fixedly connected to the arc-shaped plate; connecting blocks are fixedly connected to the two arc plates respectively; the lower shear head is fixedly connected with a second connecting block; the connecting block is rotationally connected with the second connecting block; the connecting block is rotationally connected with a connecting plate; the connecting plate is rotationally connected with the other connecting block; the pushing component is convenient for opening and closing the upper shearing head and the lower shearing head; the rotary wheel assembly facilitates angular adjustment of the shear head assembly.
The limiting piece comprises a threaded sleeve fixedly connected with the handle fixing block; the threaded sleeve is connected with a threaded rod in a threaded manner; the threaded rod is connected with a fixed rod penetrating through the threaded rod in a sliding manner; the upper end of the fixed rod is connected with a screw cap through threads; the fixed rod is fixedly connected with a limit column arranged at the lower end of the threaded rod; the limiting column is provided with a notch; the spring with the lower end arranged at the outer end of the notch is arranged in the notch.
The handle fixing block is fixedly connected with a placing pipe with the lower end being a plug; the lower end of the spring is arranged in the placing tube.
The transmission shaft is provided with a limiting clamping head which is matched with the notch.
The end of the transmission shaft arranged in the placing groove is of a spherical structure.
A limiting groove is formed in the sleeve; and a limiting block matched with the limiting groove is fixedly connected to the inner wall of the lantern ring.
The rotary wheel is provided with a circular groove; the circular groove is communicated with and connected with a limit chute; a second spring fixedly connected with the rotating wheel is arranged in the circular groove; the second spring is provided with a sliding block in the circular groove and the limiting sliding groove in a contact manner; the sliding block is fixedly connected with a second limit column; the circular plate is provided with a limit opening; and one end of the second limiting column is arranged in the limiting opening.
A limiting fixed column is fixedly connected to the second sleeve; the limiting fixing column is arranged between the two arc-shaped plates.
The utility model has the beneficial effects that: the universal forceps for minimally invasive surgery provided by the utility model has the advantages of simple structure, convenience in use, convenience in angle adjustment of the shearing head, convenience in mounting and dismounting, and convenience in clamping of the upper shearing head and the lower shearing head.
Drawings
Fig. 1 is a cross-sectional view of a pair of universal pliers for minimally invasive surgery according to the present utility model.
Fig. 2 is an exploded view of a rotating wheel of the universal forceps for minimally invasive surgery of the present utility model.
Fig. 3 is an exploded view of a limiter of the universal forceps for minimally invasive surgery of the present utility model.
Fig. 4 is a position diagram of a handle fixing block and a transmission shaft of the universal forceps for minimally invasive surgery.
Fig. 5 is a block diagram of a shear head assembly of the universal forceps for minimally invasive surgery of the present utility model.
Fig. 6 is another block diagram of a shear head assembly of the universal forceps for minimally invasive surgery of the utility model.
Fig. 7 is a third block diagram of the shearing head assembly of the universal forceps for minimally invasive surgery according to the utility model.
Fig. 8 is a cross-sectional view of the present utility model at the place where the universal forceps for minimally invasive surgery are placed.
Fig. 9 is a sectional view of a stopper of the universal pliers for minimally invasive surgery.
Fig. 10 is a top view showing the positions of a handle fixing block and a transmission shaft of the universal pliers for minimally invasive surgery.
Fig. 11 is an enlarged view of a portion a of the universal forceps for minimally invasive surgery according to the present utility model.
FIG. 12 is an enlarged view of a portion of a pair of universal pliers for minimally invasive surgery according to the present utility model
( 1. A handle fixing block; 2. a collar; 3. a rotating shaft; 4. a handle movable block; 5. a placement groove; 6. a transmission shaft; 7. a circular plate; 8. a rotating wheel; 9. a sleeve; 10. a second sleeve; 11. cutting the head; 12. a second rotating shaft; 13. a bending structure; 14. a third rotating shaft; 15. a connecting plate; 16. a third sleeve; 17. an arc-shaped limit groove; 18. an arc-shaped plate; 19. a connecting block; 20. a second connection block; 21. connected with a plate; 22. a thread sleeve; 23. a threaded rod; 24. a fixed rod; 25. a screw cap; 26. a limit column; 27. a notch; 28. a spring; 29. placing a tube; 30. limiting clamping heads; 31. a limit groove; 32. a limiting block; 33. a circular groove; 34. limiting sliding grooves; 35. a second spring; 36. a slide block; 37. a second limit column; 38. a limit opening; 39. a through hole; 40. a limit opening; 41. cutting the head; 42. the third limit column; 43. spacing fixed column )
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
According to the universal forceps for minimally invasive surgery shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12, the universal forceps for minimally invasive surgery comprises a pushing component, a rotating wheel component and a shearing head component; the pushing assembly comprises a handle fixing block 1; the handle fixing block 1 is connected with a lantern ring 2 through threads; the handle fixing block 1 is provided with a notch; the notch is provided with a handle movable block 4 which is rotationally connected with the handle fixed block 1 through a rotating shaft 3; the handle fixing block 1 is provided with a through hole 39; a placing groove 5 is formed in the handle movable block 4; a transmission shaft 6 penetrating through the through hole 39 is arranged in the placing groove 5; the rotary wheel assembly comprises a circular plate 7 and a rotary wheel 8; a sleeve 9 sleeved on the surface of the transmission shaft 6 is fixedly connected to the circular plate 7; the sleeve 9 is connected with the handle fixing block 1 through a limiting piece; a second sleeve 10 is fixedly connected to the rotating wheel 8; the second sleeve 10 is rotationally connected with the sleeve 9; the circular plate 7 is connected with the rotating wheel 8 through a second limiting piece; the shear head assembly comprises an upper shear head 11 and a lower shear head 41 which is rotationally connected with the upper shear head 11 through a second rotating shaft 12; one end of the upper shearing head 11, which is close to the second rotating shaft 12, is provided with a bending structure 13; the bending structure 13 is rotatably connected with a connecting plate 15 through a third rotating shaft 14; the connecting plate 15 is hinged with the transmission shaft 6; a third sleeve 16 is sleeved on the second sleeve 10; two arc-shaped limit grooves 17 are formed in the third sleeve 16; an arc-shaped plate 18 attached to the second sleeve 10 is arranged in the third sleeve 16; a third limit post 42 arranged in the arc limit groove 17 is fixedly connected to the arc plate 18; the two arc plates 18 are fixedly connected with connecting blocks 19 respectively; the lower shear head 41 is fixedly connected with a second connecting block 20; the connecting block 19 is rotatably connected with the second connecting block 20; a connecting plate 21 is rotatably connected to the connecting block 19; the connecting plate 21 is rotatably connected to the other connecting block 19.
The limiting part comprises a threaded sleeve 22 fixedly connected with the handle fixing block 1; the threaded sleeve 22 is in threaded connection with a threaded rod 23; the threaded rod 23 is connected with a fixed rod 24 penetrating through the threaded rod 23 in a sliding manner; the upper end of the fixed rod 24 is connected with a nut 25 in a threaded manner; the fixed rod 24 is fixedly connected with a limit post 26 arranged at the lower end of the threaded rod 23; the limiting post 26 is provided with a notch 27; the notch 27 is internally provided with a spring 28 with the lower end arranged at the outer end of the notch 27.
The handle fixing block 1 is fixedly connected with a placing pipe 29 with the lower end being blocked; the lower end of the spring 28 is arranged in the placing tube 29.
The transmission shaft 6 is provided with a limit clamping head 30 which is matched with the through notch 27 and the notch 27.
The end of the transmission shaft 6 arranged in the placing groove is of a spherical structure.
The sleeve 9 is provided with a limit groove 31; and a limiting block 32 matched with the limiting groove 31 is fixedly connected to the inner wall of the lantern ring 2.
The rotary wheel 8 is provided with a circular groove 33; the circular groove 33 is communicated with a limit chute 34; a second spring 35 fixedly connected with the rotary wheel 8 is arranged in the circular groove 33; the second spring 35 is provided with a sliding block 36 which is arranged in the circular groove 33 and the limiting sliding groove 34 in a contact manner; the sliding block 36 is fixedly connected with a second limiting column 37; a limit opening 40 is formed in the circular plate 7; one end of the second limiting post 37 is arranged in the limiting opening 40.
The second sleeve 10 is fixedly connected with a limit fixing column 43; the limiting and fixing column 43 is arranged between the two arc plates 18.
The principle of the utility model is as follows: when the rotary cutter is used, the sliding block 36 is pushed, the second limiting column 37 comes out of the limiting opening 40, the third sleeve 16 is fixed, the rotary wheel 8 is rotated to drive the second sleeve 10 to rotate, the limiting fixed column 43 is arranged between the two arc plates 18 to drive the arc plates 18 to rotate, the two arc plates 18 move back and forth under the assistance of the limiting column 42 and the arc limiting groove 17 to drive the second connecting block 20 to move, the upper shearing head 11 and the lower shearing head 41 are driven to swing to adjust the angle, the handle fixed block 1 is held, the stretching handle movable block 4 is pushed, the transmission shaft 6 is extruded, the transmission shaft 6 pushes the third rotary shaft 14, the third rotary shaft 14 pushes the bending structure 13, and the bending structure 13 rotates by taking the second rotary shaft 12 as the center, and the upper shearing head 11 is attached to or opened with the lower shearing head 41. Pressing the nut 25 drives the fixing rod 24 to move downwards, the spring 28 is pressed, the limiting clamp 30 and the notch 27 are not clamped any more, and the second sleeve 10 is easily taken down for disassembly and cleaning.
While the utility model has been described with reference to the preferred embodiments, it is not limited thereto, and various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the utility model, which is to be limited only by the appended claims.
Claims (8)
1. The utility model provides a universal pliers for minimally invasive surgery which characterized in that: comprises a pushing component, a rotating wheel component and a shearing head component; the pushing assembly comprises a handle fixing block (1); the handle fixing block (1) is connected with a lantern ring (2) through threads; the handle fixing block (1) is provided with a notch; a handle movable block (4) which is rotationally connected with the handle fixed block (1) through a rotating shaft (3) is arranged at the notch; the handle fixing block (1) is provided with a through hole (39); a placing groove (5) is arranged on the handle movable block (4); a transmission shaft (6) penetrating through the through hole (39) is arranged in the placing groove (5); the rotary wheel assembly comprises a circular plate (7) and a rotary wheel (8); a sleeve (9) sleeved on the surface of the transmission shaft (6) is fixedly connected to the circular plate (7); the sleeve (9) is connected with the handle fixing block (1) through a limiting piece; a second sleeve (10) is fixedly connected to the rotating wheel (8); the second sleeve (10) is rotationally connected with the sleeve (9); the circular plate (7) is connected with the rotating wheel (8) through a second limiting piece; the shear head assembly comprises an upper shear head (11) and a lower shear head (41) which is rotationally connected with the upper shear head (11) through a second rotating shaft (12); one end of the upper shearing head (11) close to the second rotating shaft (12) is a bending structure (13); the bending structure (13) is rotationally connected with a connecting plate (15) through a third rotating shaft (14); the connecting plate (15) is hinged with the transmission shaft (6); a third sleeve (16) is sleeved on the second sleeve (10); two arc-shaped limit grooves (17) are formed in the third sleeve (16); an arc-shaped plate (18) attached to the second sleeve (10) is arranged in the third sleeve (16); a third limit column (42) arranged in the arc limit groove (17) is fixedly connected to the arc plate (18); connecting blocks (19) are fixedly connected to the two arc-shaped plates (18) respectively; the lower shearing head (41) is fixedly connected with a second connecting block (20); the connecting block (19) is rotationally connected with the second connecting block (20); a connecting plate (21) is rotatably connected to the connecting block (19); the connecting plate (21) is rotationally connected with the other connecting block (19).
2. The universal forceps for minimally invasive surgery according to claim 1, wherein: the limiting piece comprises a thread sleeve (22) fixedly connected with the handle fixing block (1); a threaded rod (23) is connected to the threaded sleeve (22) in a threaded manner; the threaded rod (23) is connected with a fixed rod (24) penetrating through the threaded rod (23) in a sliding manner; a nut (25) is connected with the upper end of the fixed rod (24) in a threaded manner; a limit post (26) arranged at the lower end of the threaded rod (23) is fixedly connected to the fixed rod (24); the limiting column (26) is provided with a notch (27); a spring (28) with the lower end arranged at the outer end of the notch (27) is arranged in the notch (27).
3. The universal forceps for minimally invasive surgery according to claim 2, wherein: a placing pipe (29) with the lower end being a plug is fixedly connected to the handle fixing block (1); the lower end of the spring (28) is arranged in the placing tube (29).
4. The universal forceps for minimally invasive surgery according to claim 1, wherein: the transmission shaft (6) is provided with a limit clamping head (30) which is matched with the notch (27) penetrating through the notch (27).
5. The universal forceps for minimally invasive surgery according to claim 1, wherein: the end of the transmission shaft (6) arranged in the placing groove is of a spherical structure.
6. The universal forceps for minimally invasive surgery according to claim 1, wherein: a limit groove (31) is formed in the sleeve (9); and a limiting block (32) matched with the limiting groove (31) is fixedly connected to the inner wall of the lantern ring (2).
7. The universal forceps for minimally invasive surgery according to claim 1, wherein: a circular groove (33) is formed in the rotary wheel (8); a limit chute (34) is communicated and connected with the circular groove (33); a second spring (35) fixedly connected with the rotary wheel (8) is arranged in the circular groove (33); a sliding block (36) arranged in the circular groove (33) and the limiting sliding groove (34) is arranged on the second spring (35) in a contact manner; a limiting post II (37) is fixedly connected to the sliding block (36); a limit opening (40) is formed in the circular plate (7); one end of the second limiting column (37) is arranged in the limiting opening (40).
8. The universal forceps for minimally invasive surgery according to claim 1, wherein: a limiting fixed column (43) is fixedly connected to the second sleeve (10); the limiting fixing column (43) is arranged between the two arc-shaped plates (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477014.5U CN220442712U (en) | 2022-09-19 | 2022-09-19 | Universal pliers for minimally invasive surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477014.5U CN220442712U (en) | 2022-09-19 | 2022-09-19 | Universal pliers for minimally invasive surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220442712U true CN220442712U (en) | 2024-02-06 |
Family
ID=89729032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222477014.5U Active CN220442712U (en) | 2022-09-19 | 2022-09-19 | Universal pliers for minimally invasive surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220442712U (en) |
-
2022
- 2022-09-19 CN CN202222477014.5U patent/CN220442712U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |