CN202015245U

CN202015245U - Bi-directionally bendable cutting forceps

Info

Publication number: CN202015245U
Application number: CN 201120034289
Authority: CN
Inventors: 钟鸣; 申屠银光
Original assignee: Hangzhou Kangji Medical Instrument Co Ltd
Current assignee: Hangzhou Kangji Medical Instrument Co Ltd
Priority date: 2011-02-01
Filing date: 2011-02-01
Publication date: 2011-10-26
Anticipated expiration: 2021-02-01

Abstract

The utility model discloses a bi-directionally bendable cutting forceps, which is characterized in that the forceps comprises a handle control device, a forceps rod locking device, a forceps rod 360-degree rotating device, a bi-directionally pulling assembly, a bi-directionally bending assembly and a forceps head assembly, wherein the handle control device is connected with the bi-directionally pulling assembly, the forceps rod locking device is sheathed at one end of the bi-directionally pulling assembly which is connected with the handle control device, the forceps rod 360-degree rotating device is sheathed on the bi-directionally pulling assembly, and the other end of the bi-directionally pulling assembly is connected with the forceps head assembly through the bi-directionally bending assembly. The bi-directionally bendable cutting forceps is convenient and safe to use in surgeries and has a good effect.

Description

But two-way bending punch forceps

Technical field

This utility model relates to a kind of in Wicresoft's peritoneoscope human body in the operation, stings the two-way bending punch forceps that removes earnestly, the genus technical field of medical instruments but be exclusively used in the human abdominal cavity small lesions tissue.

Background technology

In Wicresoft's peritoneoscope human body operation, single-orifice type operating walk way and porous type operating walk way are arranged, single hole combination operation passage is to cut 3-4 centimetres otch together in human abdominal cavity, the combination operation passage of single hole inlet is snapped in otch, operating theater instruments enters human abdominal cavity through the combination operation passage, but this utility model is the two-way bending punch forceps that is exclusively used in the single-orifice type operating walk way.In the human body operation process, need sting earnestly small lesions tissue in the human abdominal cavity and remove.Prior art is to adopt general shears and scalpel that pathological tissues is excised, its defective be shears when excision because be in human abdominal cavity, in the operation that undergos surgery of laparoscopically video, shears is easy to slippage in operation technique, operation bothers; Scalpel more bothers in excision; Do not satisfy ideal surgical effect.

The utility model content

But technical problem to be solved in the utility model is to overcome deficiency of the prior art and provide a kind of the operation to use convenient and safe, effective two-way bending punch forceps.

The technical scheme in the invention for solving the above technical problem is: but this two-way bending punch forceps, it is characterized in that: comprise hand grip control means, claw beam locking device, claw beam 360 degree rotary apparatuss, two-way pulling assembly, two-way bending assembly and binding clip assembly, described hand grip control means is connected with two-way pulling assembly, the end that two-way pulling assembly is connected with hand grip control means is set with the claw beam locking device, be set with claw beam 360 degree rotary apparatuss on the two-way pulling assembly, the other end of two-way pulling assembly is connected with the binding clip assembly by two-way bending assembly.

Flexible handle and pull rod slot are one in the hand grip control means described in the utility model, torsion spring penetrates fixed handle after being inserted in hinge bolt, fixed handle and flexible handle are rotationally connected, outlet is fixed on the fixed handle, first spring and second spring are filled in fixed handle, bayonet lock is fixed on first button, first button rotates with first pin and is arranged on the fixed handle, second button snaps in tooth plate, tooth plate passes fixed handle and flexible handle also is arranged on the fixed handle with the rotation of second pin, second button, second spring all coincide with fixed handle and is connected, and the latch plate is fixed on the flexible handle with the 3rd pin.

It is fixing that the first bending pull bar is inserted in forward the swivel nut welding in the two-way pulling assembly described in the utility model, it is fixing that the second bending pull bar is inserted in reverse swivel nut welding, adapter sleeve have chute and with the groove seat be one, forward swivel nut and reverse swivel nut slide and are connected in the chute, forward nut is screwed into forward swivel nut connection, reverse nut is screwed into reverse swivel nut and connects, curved moving runner is inserted in that forward nut and the welding of reverse nut are fixing, one end of pull bar has stopper slot and fixing with the draw-bar seat welding, the pull rod slot that draw-bar seat snaps in the hand grip control means is connected and fixed, the other end of pull bar is fixed with the stone dead wire welding after passing curved moving runner between two parties, the end that first claw beam is inserted in pull bar and adapter sleeve is tightened fixing, have locked groove and draw-in groove and fixing on the claw beam Connection Block with the limit base welding, snap in lockhole locking under the effect of described locked groove the 3rd spring in the claw beam locking device, positioning seat clamping in draw-in groove and the claw beam 360 degree rotary apparatuss, the claw beam Connection Block is tightened fixing with first claw beam after being inserted in pull bar, it is fixing that second claw beam is inserted in the welding of pincers seat, and the pincers cover for seat is gone into pull bar, the other end of the first bending pull bar and the second bending pull bar and adapter sleeve is tightened fixing.

Have lockhole on the lock pin in the claw beam locking device described in the utility model, the 3rd spring fills in that the end with lock pin compresses behind the fixed handle, fixed cover is inserted in fixed handle in lock pin and the hand grip control means to be tightened fixingly, and the 3rd button is sleeved on the lock pin and tightens fixing with lock pin.

Have 8 locating holes on the positioning sleeve in the claw beam 360 degree rotary apparatuss described in the utility model, the 4th spring and ball are installed in the rotary sleeve, positioning sleeve is inserted in rotary sleeve, ball and locating hole coincide and mate, swivel nut changes rotary sleeve over to and is connected with positioning sleeve, and positioning sleeve is inserted in the fixed handle in the hand grip control means and fixes with steady pin, and runner and positioning seat are one, runner is inserted in behind rotary sleeve and the fixed handle to be tightened fixingly with rotary sleeve, and sealing ring snaps in runner and fixes.

Bending connector and roll seat in the two-way bending assembly described in the utility model, slot rolling is an one, the bending connector has bending threaded hole of steel and tie rod hole, two bending threaded hole of steel are inserted in the first bending pull bar and the second bending pull bar respectively, tie rod hole is inserted in stone dead wire, be inserted in Psychotria rubra (Lour.) Poir. bending connector successively, roll seat and be inserted in slot rolling just, second claw beam welding in first segment bending connector and the two-way pulling assembly is fixing, Psychotria rubra (Lour.) Poir. bending connector and the welding of binding clip seat are fixing, the first bending pull bar and the second bending pull bar and the welding of binding clip seat are fixing, and stone dead wire and the welding of pull bar joint chair are fixing.

Fixedly the welding of clamp and binding clip seat is fixing in the binding clip assembly described in the utility model, fixedly clamp and active clamp match each other, have folder tooth and V-type cutting edge on it, active clamp and fixedly clamp rotate with the clamp pin and be arranged on the binding clip seat, the end section of bending active clamp is rotated on the pull bar joint chair that is arranged in the two-way bending assembly with stay rod pin.

This utility model compared with prior art has following beneficial effect: two-way pulling assembly and two-way bending assembly in this utility model are interconnection, in the application of operation, clockwise curved moving runner: at nut forward with forward under the effect of swivel nut, forward swivel nut promotes the first bending pull bar, and the first bending pull bar promotes two-way bending assembly; Under the effect of reverse swivel nut and reverse nut, reverse swivel nut spurs the second bending pull bar, and the second bending pull bar spurs two-way bending assembly; Push-and-pull forms the binding clip bending in conjunction with synchronous operation.Reverse curved moving runner just with above-described opposite, it is crooked in the other direction to form binding clip.This utility model makes and the binding clip compound bending in the application of single hole inlet operating walk way operation, makes things convenient for the intersection operation of apparatus forceps class to use.

Hand grip control means described in the utility model and claw beam 360 are spent rotary apparatuss, reach the multifunctionality of application.As long as press first button, bayonet lock snaps in second button just, and tooth plate and latch plate are thrown off, and handle can arbitrarily be used under the effect of torsion spring, and the pulling clamp is flexibly movable.Press second button, the bayonet lock and second button are thrown off, and tooth plate snaps in the latch plate just, and the handle clamp of holding with a firm grip closes and closes, and clamp can clamp arbitrarily swing of back.This utility model is provided with runner, clamp can 360 degree rotate, and design has 8 navigation system points, operation is used stable and very flexible, guarantees carrying out smoothly of operation, forms multi-functional.

Design in this utility model binding clip assembly has folder tooth and V-type cutting edge, and in the peritoneoscope human abdominal cavity in the operation, small lesions is organized not can slippage; The art designs of V-type cutting edge is cut in the small lesions tissue stinging, and cuts off after the small lesions tissue is snapped in the V-type cutting edge, sting cut effective.As long as this utility model is pressed the 3rd button, lock pin presses down, and decontrols the 3rd button lock pin under the effect of the 3rd spring and resets, and reasonable in design is tight, and convenient disassembly, medical calm are that metal material is made, can irrigation and disinfection, also can use high-temperature sterilization.

Description of drawings

Fig. 1 is this utility model structural representation.

Fig. 2 is the two-way pulling modular construction of a this utility model sketch map.

Fig. 3 is forward swivel nut and a reverse screw bushing structure sketch map of this utility model.

Fig. 4 is an A-A cutaway view among Fig. 2.

Fig. 5 is a B-B cutaway view among Fig. 1.

Fig. 6 is a C portion enlarged drawing among Fig. 1.

Fig. 7 is a D portion bending connector enlarged drawing among Fig. 2.

Fig. 8 is Fig. 7 side view.

Fig. 9 is two-way bending assembly compound bending sketch map.

The specific embodiment

Referring to Fig. 1-Fig. 9, this utility model comprises hand grip control means I, claw beam locking device II, claw beam 360 degree rotary apparatus III, two-way pulling assembly IV, two-way bending assembly V and binding clip assembly VI, described hand grip control means I is connected IV with two-way pulling assembly, the end that two-way pulling assembly IV is connected with the hand grip control means I is set with claw beam locking device II, be set with claw beam 360 degree rotary apparatus III on the two-way pulling assembly IV, the other end of two-way pulling assembly IV is connected with binding clip assembly VI by two-way bending assembly V.

Flexible handle 2 and pull rod slot 21 are one, and torsion spring 4 penetrates fixed handle 1 after being inserted in hinge bolt 3, and fixed handle 1 and flexible handle 2 are rotationally connected, and fixed handle 1 and flexible handle 2 have elasticity under the effect of torsion spring 4.Outlet 4 is fixed on the fixed handle 1, first spring 7 and second spring 10 are filled in fixed handle 1, bayonet lock 9 is fixed on first button 5, and first button, 5 usefulness, first pin 6 rotates and is arranged on the fixed handle 1, and first button 5 has elasticity under the effect of first spring 7.Second button 8 snaps in tooth plate 11 and is connected and fixed, and tooth plate 11 passes fixed handle 1 and 12 rotations of flexible handle 2 usefulness second pin are arranged on the fixed handle 1, and second button 8 coincide with second spring 10 and fixed handle 1 just and is connected.Latch plate 13 usefulness the 3rd pin 14 is fixed on the flexible handle 2, forms hand grip control means I (referring to Fig. 1).Press first button 5, bayonet lock 9 snaps in second button 8 just, and tooth plate 11 and latch plate 13 are thrown off, and flexible handle 2 can arbitrarily be used under the effect of torsion spring 4.Press second button 8, the bayonet lock 9 and second button 8 are thrown off, and tooth plate 11 snaps in latch plate 13 just, and handle can clamp arbitrarily swing of back.

Referring to Fig. 6, lock pin 16 has lockhole 40, the three springs 19 and fills in fixed handle 1 back and compress with an end of lock pin 16, and fixed cover 17 is inserted in lock pin 16 and fixed handle 1 is tightened fixing, the 3rd button 15 is sleeved on the lock pin 16 and tightens fixingly with lock pin 16, forms claw beam locking device II.Press the 3rd button 15, lock pin 16 presses down, and decontrols the 3rd button 15 lock pin 16 under the effect of the 3rd spring 19 reset (referring to Fig. 1, Fig. 6).Have 8 locating holes 27 on the positioning sleeve 26, the 4th spring 24 and ball 25 are installed in the rotary sleeve 23, positioning sleeve 26 is inserted in rotary sleeve 23, ball 25 is identical with locating hole 27 just, swivel nut 28 changes rotary sleeve 23 over to and is connected with positioning sleeve 26, it is fixing that positioning sleeve 26 is inserted in fixed handle 1 usefulness steady pin 29, runner 22 is one (referring to Fig. 5) with positioning seat 18, runner 22 is inserted in rotary sleeve 23 and fixed handle 1 back is tightened fixing with rotary sleeve 23, sealing ring 30 snaps in runner 22 fixing (referring to Fig. 1), forms claw beam 360 degree rotary apparatus III.Rotating wheel 22 driven rotary cover 23 rotates, and under the effect of the 4th spring 24, ball 25 and locating hole 27, runner 22 has 8 orientations.

The first bending pull bar 46 is inserted in forward swivel nut 33 welding to be fixed, it is fixing that the second bending pull bar 47 is inserted in reverse swivel nut 34 welding, adapter sleeve 35 has chute 59 and is one with groove seat 63, and forward swivel nut 33 and reverse swivel nut 34 snap in chute can slide (referring to Fig. 3).Forward nut 32 is screwed into forward swivel nut 33 and connects, and reverse nut 36 is screwed into reverse swivel nut 34 and connects, and curved moving runner 31 is inserted in forward nut 32 and reverse nut 36 welding fixing (referring to Fig. 1).One end of pull bar 38 has stopper slot 42 and fixing with draw-bar seat 39 welding, and it is fixing with stone dead wire 48 welding that the other end of pull bar 38 passes curved moving runner 31 backs between two parties.First claw beam 37 is inserted in pull bar 38 and an end of adapter sleeve 35 to be tightened fixingly, and claw beam Connection Block 41 has locked groove 40 and draw-in groove 44(referring to Fig. 4) and fixing with limit base 43 welding, and claw beam Connection Block 41 is inserted in pull bar 38 backs to be tightened fixing with first claw beam 37; It is fixing that second claw beam 49 is inserted in 45 welding of pincers seat, and pincers seat 45 is inserted in the pull bar 38 and the first bending pull bar 46 and the second bending pull bar 47 tightens fixing (referring to Fig. 1) with the other end of adapter sleeve 35, forms two-way pulling assembly IV.

Bending connector 50 and roll seat 53, slot rolling 54 is one, bending connector 50 has bending threaded hole of steel 51 and tie rod hole 52(referring to Fig. 8).Two bending threaded hole of steel 51 are inserted in the first bending pull bar 46 and the second bending pull bar 47 respectively, tie rod hole 52 is inserted in stone dead wire 48, be inserted in Psychotria rubra (Lour.) Poir. bending connector 50 in order successively, roll seat 53 and be inserted in slot rolling 54 and flexibly movable just, the first segment of bending connector 50 (left side) is fixing with 49 welding of second claw beam, the Psychotria rubra (Lour.) Poir. (right side) of bending connector 50 is fixing with 61 welding of binding clip seat, the first bending pull bar 46 and the second bending pull bar 47 are fixing with 61 welding of binding clip seat, stone dead wire 48 and pull bar joint chair 62 welding fixing (referring to Fig. 2) form two-way bending assembly V.

In the binding clip assembly VI, fixedly clamp 58 and 61 welding of binding clip seat are fixing, fixedly clamp 58 and active clamp 56 have folder tooth 55 and V-type cutting edge 64, folder tooth 55 and V-type cutting edge 64 couplings were coincide when clamp clamped, active clamp 56 and fixedly clamp 58 usefulness clamp pins 57 rotate and be arranged on the binding clip seat 61, the end section of bending active clamp 56 is arranged on (referring to Fig. 2) on the pull bar joint chair 62 with stay rod pin 60 rotations.Two-way pulling assembly IV penetrates claw beam 360 degree rotary apparatus III and claw beam locking device II, draw-bar seat 39 snaps in pull rod slot 21 just and is connected and fixed, locked groove 40 snaps in lockhole 20 lockings just under the effect of the 3rd spring 19, it is fixing that positioning seat 18 snaps in draw-in groove 44 just, press the 3rd button 15, lock pin 16 presses down, and two-way pulling assembly IV can be dismantled.

Above content described in this description only is to the explanation of this utility model structure example.This utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount the defined scope of these claims, all should belong to protection domain of the present utility model.

Claims

1. but two-way bending punch forceps, it is characterized in that: comprise hand grip control means, the claw beam locking device, claw beam 360 degree rotary apparatuss, two-way pulling assembly, two-way bending assembly and binding clip assembly, described hand grip control means is connected with two-way pulling assembly, the end that two-way pulling assembly is connected with hand grip control means is set with the claw beam locking device, be set with claw beam 360 degree rotary apparatuss on the two-way pulling assembly, the other end of two-way pulling assembly is connected with the binding clip assembly by two-way bending assembly, fixedly the welding of clamp and binding clip seat is fixing in the described binding clip assembly, fixedly clamp and active clamp match each other, have folder tooth and V-type cutting edge on it, active clamp and fixedly clamp rotate with the clamp pin and be arranged on the binding clip seat, the end section of bending active clamp is rotated on the pull bar joint chair that is arranged in the two-way bending assembly with stay rod pin.

2. but two-way bending punch forceps according to claim 1, it is characterized in that: flexible handle and pull rod slot are one in the described hand grip control means, torsion spring penetrates fixed handle after being inserted in hinge bolt, fixed handle and flexible handle are rotationally connected, outlet is fixed on the fixed handle, first spring and second spring are filled in fixed handle, bayonet lock is fixed on first button, first button rotates with first pin and is arranged on the fixed handle, second button snaps in tooth plate, tooth plate passes fixed handle and flexible handle also is arranged on the fixed handle with the rotation of second pin, second button, second spring all coincide with fixed handle and is connected, and the latch plate is fixed on the flexible handle with the 3rd pin.

3. but two-way bending punch forceps according to claim 1, it is characterized in that: it is fixing that the first bending pull bar is inserted in forward the swivel nut welding in the described two-way pulling assembly, it is fixing that the second bending pull bar is inserted in reverse swivel nut welding, adapter sleeve have chute and with the groove seat be one, forward swivel nut and reverse swivel nut slide and are connected in the chute, forward nut is screwed into forward swivel nut connection, reverse nut is screwed into reverse swivel nut and connects, curved moving runner is inserted in that forward nut and the welding of reverse nut are fixing, one end of pull bar has stopper slot and fixing with the draw-bar seat welding, the pull rod slot that draw-bar seat snaps in the hand grip control means is connected and fixed, the other end of pull bar is fixed with the stone dead wire welding after passing curved moving runner between two parties, the end that first claw beam is inserted in pull bar and adapter sleeve is tightened fixing, have locked groove and draw-in groove and fixing on the claw beam Connection Block with the limit base welding, snap in lockhole locking under the effect of described locked groove the 3rd spring in the claw beam locking device, positioning seat clamping in draw-in groove and the claw beam 360 degree rotary apparatuss, the claw beam Connection Block is tightened fixing with first claw beam after being inserted in pull bar, it is fixing that second claw beam is inserted in the welding of pincers seat, and the pincers cover for seat is gone into pull bar, the other end of the first bending pull bar and the second bending pull bar and adapter sleeve is tightened fixing.

4. but two-way bending punch forceps according to claim 1, it is characterized in that: have lockhole on the lock pin in the described claw beam locking device, the 3rd spring fills in that the end with lock pin compresses behind the fixed handle, fixed cover is inserted in fixed handle in lock pin and the hand grip control means to be tightened fixingly, and the 3rd button is sleeved on the lock pin and tightens fixing with lock pin.

5. but two-way bending punch forceps according to claim 1, it is characterized in that: have 8 locating holes on the positioning sleeve in the described claw beam 360 degree rotary apparatuss, the 4th spring and ball are installed in the rotary sleeve, positioning sleeve is inserted in rotary sleeve, ball and locating hole coincide and mate, swivel nut changes rotary sleeve over to and is connected with positioning sleeve, positioning sleeve is inserted in the fixed handle in the hand grip control means and fixes with steady pin, runner and positioning seat are one, runner is inserted in behind rotary sleeve and the fixed handle to be tightened fixingly with rotary sleeve, and sealing ring snaps in runner and fixes.

6. but two-way bending punch forceps according to claim 1, it is characterized in that: bending connector and roll seat in the described two-way bending assembly, slot rolling is an one, the bending connector has bending threaded hole of steel and tie rod hole, two bending threaded hole of steel are inserted in the first bending pull bar and the second bending pull bar respectively, tie rod hole is inserted in stone dead wire, be inserted in Psychotria rubra (Lour.) Poir. bending connector successively, roll seat and be inserted in slot rolling just, second claw beam welding in first segment bending connector and the two-way pulling assembly is fixing, Psychotria rubra (Lour.) Poir. bending connector and the welding of binding clip seat are fixing, the first bending pull bar and the second bending pull bar and the welding of binding clip seat are fixing, and stone dead wire and the welding of pull bar joint chair are fixing.