CN115317062A

CN115317062A - Surgical continuous-shooting clip applier with elastic hinge

Info

Publication number: CN115317062A
Application number: CN202211069533.6A
Authority: CN
Inventors: 魏苏明
Original assignee: Wuxi Dongfeng Yihe Technology Development Co ltd
Current assignee: Wuxi Dongfeng Yihe Technology Development Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-11-11
Anticipated expiration: 2042-09-02
Also published as: CN115317062B

Abstract

The invention belongs to the technical field of medical instruments, and particularly relates to a surgical running-fire clip with an elastic hinge, which comprises a clip body, wherein the clip body comprises a fixed clip arm and a movable clip arm which are rotatably connected, elastic pieces are fixedly arranged on the sides, close to each other, of the fixed clip arm and the movable clip arm, the top ends of the two elastic pieces are abutted together, a pipe rod is fixedly arranged on the fixed clip arm, a clamping mechanism is arranged at one end, far away from the fixed clip arm, of the pipe rod, a shifting rod for controlling the clamping mechanism to open and close is arranged in the pipe rod in a sliding mode, one end, far away from the clamping mechanism, of the shifting rod is hinged with the movable clip arm, and a locking component for locking the opening and closing of the clamping mechanism is arranged on the pipe rod. According to the invention, the two elastic sheets are arranged between the fixed clamp arm and the movable clamp arm, so that the fixed clamp arm and the movable clamp arm in a loose state can be far away from each other under the state of the two elastic sheets, the whole device is more flexible, and the fixed clamp arm and the movable clamp arm do not need to be opened manually to control the separation of the fixed clamp arm and the movable clamp arm.

Description

Surgical continuous-firing clip applier with elastic hinges

Technical Field

The invention relates to the technical field of medical instruments, in particular to a surgical continuous hair clip applier with elastic hinges.

Background

In laparoscopic surgery, the hemostasis ligature clamp is commonly used to doctor ligates the internal tubular tissue of human body, prevents that the liquid in the tubular tissue from revealing, influences doctor's operation, current clip applier can keep the tight state of clamp always after pressing from both sides tight lock, if need untie the lock and die the commentaries on classics attitude then need stir the locking mechanism through the finger and open, and in the art, the hand of holding clip applier if need vacate a plurality of fingers and stir the opening of locking mechanism then leads to the unstability of clip applier very easily, the risk in the art has been improved, for this reason, propose a surgical with elasticity loose-leaf and use clip applier.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a surgical continuous hair clip applier with elastic hinges.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a clamp is executed with running fire to operation with elasticity loose-leaf, includes the pincers body, the pincers body is including rotating the fixed tong arm and the moving tong arm of connecting, the equal fixed mounting in one side that fixed tong arm and moving tong arm are close to each other has the shell fragment, and the top of two shell fragments is contradicted together, fixed mounting has the pipe pole on the fixed tong arm, clamping mechanism is installed to the one end that fixed tong arm was kept away from to the pipe pole, slidable mounting has the open closed driving lever of control clamping mechanism in the pipe pole, clamping mechanism's one end is kept away from to the driving lever and the moving tong arm articulates together, be equipped with on the pipe pole to open and the closed dead locking subassembly that locks of clamping mechanism.

Preferably, the top ends of the elastic pieces are provided with clamping teeth, and the clamping teeth at the top ends of the two elastic pieces are staggered and abutted together.

Preferably, clamping mechanism includes the mounting bracket with pipe pole fixed connection, two arm lock are installed to the mounting bracket internal rotation, and fixed mounting has the pivot of running through two arm lock and being connected with two arm lock rotations in two mounting brackets, and it has the connecting rod all to articulate on two arm lock, and the one end that the pivot was kept away from to two connecting rods articulates has the same pull rod with mounting bracket inner wall sliding connection, the one end and the driving lever fixed connection of two connecting rods are kept away from to the pull rod.

Preferably, a plurality of draw-in grooves have all been seted up to one side that two arm lock are close to each other, and the equal fixed mounting in one side that two arm lock are close to each other has a plurality of fixture blocks, a plurality of draw-in grooves and a plurality of fixture block staggered arrangement, set up a plurality of through-holes that run through the arm lock on the inner wall of mounting bracket.

Preferably, the locking assembly comprises a cylinder fixedly connected with the pipe rod, a ring stop block and a movable ring block are fixedly mounted on the inner wall of the cylinder, a blocking mechanism fixedly connected with the driving lever is further arranged in the cylinder, the driving lever is arranged in the cylinder in a cutting mode, and the same tension spring is fixedly mounted between two ends of a breaking port of the driving lever.

Preferably, be equipped with a plurality of canceling release mechanical system that are circumference array distribution between ring dog and the activity ring piece, canceling release mechanical system includes and is close to ring dog one side fixed connection's guide arm two with the activity ring piece, guide arm two run through ring dog and with ring dog sliding connection, and the one end fixed mounting that the activity ring piece was kept away from to guide arm two has the baffle, sliding sleeve is equipped with two reset springs that both ends contradict with ring dog and activity ring piece respectively on the guide arm two.

Preferably, one side of the ring stop block, which is far away from the movable ring block, is provided with a slope I, the other side of the ring stop block is provided with a plane part, one side of the movable ring block, which is close to the ring stop block, is provided with a slope II, and the other side of the movable ring block is provided with a slope III.

Preferably, the blocking mechanism comprises a disc fixedly sleeved on the shifting rod, one side of the disc, which is far away from the clamp body, is provided with a plurality of limiting grooves distributed in a circumferential array, and limiting stop blocks are arranged in the limiting grooves in a sliding manner.

Preferably, a sliding groove is formed in the inner wall, close to the caliper body, of one side of the limiting groove, a sliding block fixedly connected with the limit stop is installed in the sliding groove, a first guide rod is fixedly installed on the inner walls of the two sides of the sliding groove, a first reset spring is sleeved on the first guide rod in a sliding mode, one end of the first reset spring is fixedly connected with the inner wall, close to the circle center of the disc, of the sliding groove, and the other end of the first reset spring is fixedly connected with the sliding block.

Compared with the prior art, the invention has the beneficial effects that:

1. the two elastic sheets are arranged between the fixed clamp arm and the movable clamp arm, so that the fixed clamp arm and the movable clamp arm in a loosening state can be far away from each other in the state of the two elastic sheets, the whole device is more flexible, and the fixed clamp arm and the movable clamp arm do not need to be opened manually to be separated;

2. the clamping stability of the muscle can be improved through the clamping mechanism with a special shape, so that the whole device cannot fall off from the clamped muscle under the conditions of shaking and swinging;

3. two clamping states exist between the fixed caliper arm and the movable caliper arm in the middle of the caliper body, the clamping mechanism is enabled to be in the clamping state by holding the movable caliper arm close to the movable caliper arm, the fixed caliper arm and the movable caliper arm at the moment are in the first clamping state, meanwhile, the locking assembly can lock the state, the position between the fixed caliper arm and the movable caliper arm cannot be changed, the clamping mechanism is always in the clamping state, the movable caliper arm is close to the fixed caliper arm by holding again, the fixed caliper arm and the movable caliper arm at the moment are in the second clamping state, meanwhile, the locking assembly is unlocked, the fixed caliper arm and the movable caliper arm can be separated under the reset elastic force of the two elastic sheets, the clamping state of the clamping mechanism is unlocked, the whole process does not need to vacate fingers to stir, the fact that the hands of an operator can hold the caliper body tightly all the time, and safety in the observation is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a surgical hair clip applier with flexible hinges according to the present invention;

FIG. 2 is a schematic view of a portion of a surgical hair clip applier with flexible hinges according to the present invention;

FIG. 3 is a schematic view of a portion of the structure of a surgical hair clip applier clamping mechanism and toggle lever with flexible hinges according to the present invention;

FIG. 4 is a cross-sectional view of a locking assembly and a portion of a toggle lever of a surgical fastener with a flexible hinge according to the present invention;

FIG. 5 is a schematic structural view of a ring block and a movable ring block of a surgical hair clip applier with elastic hinges according to the present invention;

FIG. 6 is a schematic cross-sectional view of a blocking mechanism in a surgical hair clip applier having a flexible hinge according to the present invention;

fig. 7 is an enlarged schematic view of a portion a of fig. 6.

In the figure: 1. a clamp body; 11. a fixed clamp arm; 12. a movable clamp arm; 13. a deflector rod; 2. a pipe rod; 3. locking the assembly; 31. a cylinder; 32. a tension spring; 33. a ring stop; 331. a first slope; 332. a planar portion; 34. a movable ring block; 341. a second slope; 342. a third slope; 35. a blocking mechanism; 351. a disc; 352. a limiting groove; 353. a limit stop block; 354. a chute; 355. a slider; 356. a first guide rod; 357. a first reset spring; 36. a reset mechanism; 361. a second guide rod; 362. a second reset spring; 4. a clamping mechanism; 41. a mounting frame; 42. clamping arms; 421. a card slot; 422. a through hole; 423. a clamping block; 43. a rotating shaft; 44. a connecting rod; 45. a pull rod; 5. an elastic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a clamp is executed with running fire to operation with elasticity loose-leaf, including the pincers body 1, the pincers body 1 is including rotating the fixed tong arm 11 and the moving tong arm 12 of connecting, the equal fixed mounting in one side that fixed tong arm 11 and moving tong arm 12 are close to each other has shell fragment 5, the top of two shell fragments 5 is contradicted together, fixed mounting has pipe pole 2 on the fixed tong arm 11, clamping mechanism 4 is installed to pipe pole 2 one end of keeping away from fixed tong arm 11, slidable mounting has control clamping mechanism 4 to open closed driving lever 13 in pipe pole 2, clamping mechanism 4's one end is kept away from to driving lever 13 and moving tong arm 12 articulates together, be equipped with on pipe pole 2 and carry out the dead locking subassembly 3 of locking with the closure to opening of clamping mechanism 4.

The top ends of the elastic pieces 5 are provided with clamping teeth, and the clamping teeth at the top ends of the two elastic pieces 5 are staggered and butted together.

Furthermore, when the clamping mechanism 4 is opened to clamp the muscle, the fixed clamp arm 11 and the movable clamp arm 12 are held, and the movable clamp arm 12 is pressed towards the fixed clamp arm 11, in the process, the two elastic sheets 5 are extruded to deform, and when the clamping mechanism 4 is opened and the clamped muscle is loosened, the movable clamp arm 12 is pushed to be far away from the fixed clamp arm 11 under the reset elastic force of the two elastic sheets 5, so that the clamping mechanism 4 is completely opened.

Clamping mechanism 4 includes mounting bracket 41 with tubular pole 2 fixed connection, and two arm lock 42 are installed to the mounting bracket 41 internal rotation, and fixed mounting has the pivot 43 that runs through two arm lock 42 and rotate to be connected with two arm lock 42 in two mounting bracket 41, all articulates on two arm lock 42 to have connecting rod 44, and the one end that pivot 43 was kept away from to two connecting rod 44 articulates has same pull rod 45 with mounting bracket 41 inner wall sliding connection, and pull rod 45 keeps away from the one end and the driving lever 13 fixed connection of two connecting rod 44.

Further, in the process of holding the movable clamp arm 12 to rotate close to the fixed clamp arm 11, the movable clamp arm 12 will pull the mounting rack 41 to move towards one side close to the clamp body 1 through the pulling rod 13, in the process, the pulling rod 45 will make the two clamp arms 42 rotate around the rotating shaft 43 as the center of a circle and close to each other through pulling the two connecting rods 44, the two clamp arms 42 close to each other can clamp muscles, and in the process of making the movable clamp arm 12 far away from the fixed clamp arm 11, the movable clamp arm 12 will push the mounting rack 41 to move towards one side far away from the clamp body 1 through the pulling rod 13, in the process, the pulling rod 45 will make the two clamp arms 42 rotate around the rotating shaft 43 as the center of a circle and far away from each other through pushing the two connecting rods 44, so as to release the clamped muscles.

A plurality of draw-in grooves 421 have all been seted up to one side that two arm lock 42 are close to each other, and the equal fixed mounting in one side that two arm lock 42 are close to each other has a plurality of fixture blocks 423, a plurality of draw-in grooves 421 and a plurality of fixture blocks 423 staggered arrangement, set up a plurality of through-holes 422 that run through arm lock 42 on the inner wall of mounting bracket 41.

Further, in the situation that the two arms 42 clamp the muscle, the plurality of blocks 423 of the two arms 42 are staggered to improve the stability of clamping the muscle, and the blood in the muscle will be discharged from the plurality of through holes 422 of the clamping groove 421, so that the blood will not clamp the muscle corresponding to the two arms 42.

The locking assembly 3 comprises a cylinder 31 fixedly connected with the pipe rod 2, a ring stop 33 and a movable ring block 34 are fixedly mounted on the inner wall of the cylinder 31, a blocking mechanism 35 fixedly connected with the deflector rod 13 is further arranged in the cylinder 31, the deflector rod 13 is arranged in the cylinder 31 in a cutting mode, and the same tension spring 32 is fixedly mounted between two ends of a fracture opening of the deflector rod 13.

A plurality of reset mechanisms 36 distributed in a circumferential array are arranged between the ring stopper 33 and the movable ring block 34, each reset mechanism 36 comprises a second guide rod 361 fixedly connected with one side, close to the ring stopper 33, of the movable ring block 34, each second guide rod 361 penetrates through the ring stopper 33 and is in sliding connection with the ring stopper 33, a baffle is fixedly mounted at one end, far away from the movable ring block 34, of each second guide rod 361, and a second reset spring 362 is sleeved on each second guide rod 361, two ends of each second reset spring abut against the ring stopper 33 and the movable ring block 34 respectively.

Further, in the case that the blocking mechanism 35 pushes the movable ring block 34 to be attached to the ring stopper 33, the plurality of return springs 362 will be pressed and deformed, and after the blocking mechanism 35 is detached from the movable ring block 34, the movable ring block 34 will be rapidly separated from the ring stopper 33 and moved to the initial position by the elastic force of the plurality of return springs 362.

One side of the ring block 33, which is far away from the movable ring block 34, is provided with a first slope 331, the other side of the ring block 33 is provided with a plane 332, one side of the movable ring block 34, which is near to the ring block 33, is provided with a second slope 341, and the other side of the movable ring block 34 is provided with a third slope 342.

Further, in the relaxed state of the clamping mechanism 4, the blocking mechanism 35 is located on the side of the ring stopper 33 away from the movable ring block 34, and in the clamped state of the clamping mechanism 4, the blocking mechanism 35 is located between the ring stopper 33 and the movable ring block 34.

The blocking mechanism 35 comprises a disc 351 fixedly sleeved on the shift lever 13, one side of the disc 351, far away from the caliper body 1, is provided with a plurality of limiting grooves 352 distributed in a circumferential array, and limiting stoppers 353 are arranged in the limiting grooves 352 in a sliding mode.

The inner wall of one side of the limiting groove 352 close to the caliper body 1 is provided with a sliding groove 354, the sliding groove 354 is internally provided with a sliding block 355 fixedly connected with the limiting stop 353 in a sliding manner, the inner walls of two sides of the sliding groove 354 are fixedly provided with a first guide rod 356, a first reset spring 357 is slidably sleeved on the first guide rod 356, one end of the first reset spring 357 is fixedly connected with the inner wall of one side of the sliding groove 354 close to the circle center of the disc 351, and the other end of the first reset spring 357 is fixedly connected with the sliding block 355.

Further, under the condition that the limit stop 353 is free from any external force, the sliding block 355 abuts against the inner wall of the sliding groove 354 on the side away from the center of the circle, and when the limit stop 353 moves towards one side of the disc 351, the first guide rod 356 is extruded to deform, and when the limit stop 353 loses the external force, the first guide rod 356 which is reset rapidly pushes the limit stop 353 towards the side away from the disc 351.

In this embodiment, when clamping muscles, the movable caliper arm 12 is held to rotate and approach the fixed caliper arm 11, the shift lever 13 pulls the shift lever 13 when rotating, the shift lever 13 moves to one side close to the caliper body 1 by pulling the mounting bracket 41, in the process, the pull rod 45 pulls the two connecting rods 44 to make the two clamp arms 42 rotate around the rotating shaft 43 and approach each other at the same time, the two clamp arms 42 which approach each other can clamp the muscles, the shift lever 13 moves through the pulling blocking mechanism 35 and is guided by the slope one 331, the limit stops 353 in the moving process approach the center of the circular disc 351 at the same time, after the limit stops 353 completely cross the ring stop 33, the limit stops 353 simultaneously move away from and abut against the plane portion 332 under the restoring elastic force of the corresponding restoring spring one 357, at this time, the ring stop 33 and the blocking mechanism 35 are locked, even if the movable caliper arm 12 is released, the position of the shift lever 13 does not change, and the clamping mechanism 4 is always in a clamped state;

when the clamping state of the clamping mechanism 4 is released, the movable clamp arm 12 can be continuously held to be close to the fixed clamp arm 11, in the process, the shift lever 13 directly connected with the movable clamp arm 12 continuously pulls the blocking mechanism 35 to move towards the movable ring block 34, in the process that the limit stops 353 are contacted with the second slope 341, the limit stops 353 simultaneously move towards one end of the circle center of the disc 351, when the limit stops 353 cross between the second slope 341, the limit stops 353 are simultaneously far away from and abut against the third slope 342 under the reset elastic force of the corresponding first reset spring 357, in the process, because the clamping mechanism 4 is in the clamping state, the shift lever 13 directly connected with the clamping mechanism 4 cannot be displaced, and the tension spring 32 is pulled to extend, then the movable clamp arm 12 can be released, under the pulling force of the reset tension spring 32, the pulling blocking mechanism 35 pushes the movable ring block 34 to move toward the ring block 33 and attach to the ring block 33, then under the continuous pulling of the tension spring 32, the limit blocks 353 will directly cross the ramps three 342 and enter into the ring block 33, when the blocking mechanism 35 completely crosses the ring block 33 and moves to the side of the ring block 33 away from the movable ring block 34, under the reset elastic force of the two elastic sheets 5 extruded and deformed by the inner fixed clamp arm 11 and the movable clamp arm 12, the movable clamp arm 12 will push the mounting frame 41 to move away from the side of the clamp body 1 through the shift lever 13, during this process, the pull rod 45 will push the two connecting rods 44 to make the two clamp arms 42 rotate around the rotating shaft 43 and move away from each other at the same time, thereby releasing the clamped muscle.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A surgical repeating clip applier with elastic hinges, characterized in that: including the pincers body (1), the pincers body (1) is including rotating the fixed tong arm (11) of connecting and moving tong arm (12), the equal fixed mounting in one side that fixed tong arm (11) and moving tong arm (12) are close to each other has shell fragment (5), and the top of two shell fragments (5) is contradicted together, fixed mounting has pipe pole (2) on fixed tong arm (11), clamping mechanism (4) are installed to the one end that fixed tong arm (11) were kept away from in pipe pole (2), slidable mounting has control clamping mechanism (4) to open closed driving lever (13) in pipe pole (2), the one end that clamping mechanism (4) were kept away from in driving lever (13) articulates together with moving tong arm (12), be equipped with on pipe pole (2) to open and the closed dead lock subassembly (3) of locking of clamping mechanism (4).

2. A surgical fastener with flexible hinge according to claim 1, characterized in that: the top ends of the elastic pieces (5) are provided with clamping teeth, and the clamping teeth at the top ends of the two elastic pieces (5) are staggered and abutted together.

3. A surgical hair clip applier having a flexible hinge according to claim 1, wherein: clamping mechanism (4) include with tubular pole (2) fixed connection's mounting bracket (41), two arm lock (42) are installed to mounting bracket (41) internal rotation, and two mounting bracket (41) internal fixed mounting have run through two arm lock (42) and rotate pivot (43) of being connected with two arm lock (42), all articulate on two arm lock (42) have connecting rod (44), and the one end that pivot (43) were kept away from in two connecting rod (44) articulates has same pull rod (45) with mounting bracket (41) inner wall sliding connection, the one end and driving lever (13) fixed connection of two connecting rod (44) are kept away from in pull rod (45).

4. A surgical fastener with flexible hinge according to claim 3, characterized in that: a plurality of draw-in grooves (421) have all been seted up to one side that two arm lock (42) are close to each other, and the equal fixed mounting in one side that two arm lock (42) are close to each other has a plurality of fixture blocks (423), a plurality of draw-in grooves (421) and a plurality of fixture blocks (423) staggered arrangement, set up a plurality of through-holes (422) that run through arm lock (42) on the inner wall of mounting bracket (41).

5. A surgical hair clip applier having a flexible hinge according to claim 1, wherein: the locking assembly (3) comprises a cylinder (31) fixedly connected with a pipe rod (2), a ring stop block (33) and a movable ring block (34) are fixedly mounted on the inner wall of the cylinder (31), a blocking mechanism (35) fixedly connected with a shift lever (13) is further arranged in the cylinder (31), the shift lever (13) is arranged in the cylinder (31) in a cutting mode, and the same tension spring (32) is fixedly mounted between two ends of a fracture opening of the shift lever (13).

6. A surgical hair clip applier having a flexible hinge according to claim 5, wherein: be equipped with a plurality of canceling release mechanical systems (36) that are circumference array distribution between ring dog (33) and activity ring piece (34), canceling release mechanical system (36) include with activity ring piece (34) be close to ring dog (33) one side fixed connection's guide arm two (361), guide arm two (361) run through ring dog (33) and with ring dog (33) sliding connection, and the one end fixed mounting who keeps away from activity ring piece (34) guide arm two (361) has the baffle, sliding sleeve is equipped with two (362) of reset spring that both ends contradicted with ring dog (33) and activity ring piece (34) respectively on guide arm two (361).

7. A surgical fastener with flexible hinge according to claim 6, characterized in that: one side, far away from movable ring piece (34), of ring dog (33) is equipped with slope one (331), the other side of ring dog (33) is equipped with plane portion (332), one side that movable ring piece (34) is close to ring dog (33) is equipped with slope two (341), the other side of movable ring piece (34) is equipped with slope three (342).

8. A surgical fastener with flexible hinge according to claim 5, characterized in that: the blocking mechanism (35) comprises a disc (351) fixedly sleeved on the shifting rod (13), a plurality of limiting grooves (352) distributed in a circumferential array mode are formed in one side, away from the clamp body (1), of the disc (351), and limiting stop blocks (353) are installed in the limiting grooves (352) in a sliding mode.

9. A surgical hair clip applier having a flexible hinge according to claim 8, wherein: the limiting mechanism is characterized in that a sliding groove (354) is formed in the inner wall, close to the caliper body (1), of one side of the limiting groove (352), a sliding block (355) fixedly connected with a limiting stop block (353) is arranged in the sliding groove (354), a first guide rod (356) is fixedly arranged on the inner walls of the two sides of the sliding groove (354), a first reset spring (357) is arranged on the first guide rod (356) in a sliding sleeve mode, one end of the first reset spring (357) is fixedly connected with the inner wall, close to the circle center of the disc (351), of the sliding groove (354), and the other end of the first reset spring (357) is fixedly connected with the sliding block (355).