CN202015205U

CN202015205U - Bidirectional bendable biopsy forceps

Info

Publication number: CN202015205U
Application number: CN 201120048362
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: 2011-02-26
Filing date: 2011-02-26
Publication date: 2011-10-26
Anticipated expiration: 2021-02-26

Abstract

The utility model relates to a pair of bidirectional bendable biopsy forceps for human body internal biliary tract stone removal (gall-stone). A forceps rod is clamped-connected to a fixed handle, a forceps head holder is connected with the forceps rod; a forceps clamp is connected with the forceps head holder; one end of a pull rod is connected with a pull rod receptacle while the other end is connected with a movable handle; a bendable connection element is connected between the forceps head holder and the forceps rod and sleeved on a flexible steel wire; the flexible steel wire is connected between the pull rod and the pull rod receptacle; a first bendable pull rod is fixed with a clockwise screw sleeve and the forceps head holder respectively, and a second bendable pull rod is fixed with an anticlockwise screw sleeve and the forceps head holder respectively; the clockwise screw sleeve and the anticlockwise screw sleeve are connected via a thread; the anticlockwise screw sleeve and an anticlockwise nut are connected via a thread; the clockwise screw sleeve and the anticlockwise screw sleeve are sleeved on the pull rod; a connection sleeve is fixed in the forceps rod and sleeved on the clockwise screw sleeve and the anticlockwise screw sleeve; an upper clamping bowl is opened in an upper forceps clip, a lower clamping bowl is opened in a lower forceps clip, and the upper clamping bowl matches with the lower clamping bowl. The bidirectional bendable biopsy forceps of the utility model has reasonable structure design and stable punching and sampling.

Description

But two-way bending biopsy forceps

Technical field

But this utility model relates to a kind of two-way bending biopsy forceps, is exclusively used in human abdominal cavity inner disease foci position stung to cut sample with as assay, belongs to technical field of medical instruments.

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, and the combination operation passage that single hole is entered the mouth snaps in otch, and operating theater instruments enters human abdominal cavity through the combination operation passage.In operation process, need sting human abdominal cavity inner disease foci position and cut sample to be used as assay, help the diagnosis of the state of an illness and normally carrying out of operation, prior art is to cut the back in human abdominal cavity to adopt common nipper and scalpel to cut the extracting sampling in operation, its defective is that the sampling operation is loaded down with trivial details, nipper grasps and easily comes off, and easily causes secondary to grasp operation, does not satisfy ideal surgical effect.

The utility model content

Technical problem to be solved in the utility model is to overcome existing above-mentioned shortcoming in the prior art, but and a kind of reasonable in design is provided, stings and cut the stable two-way bending biopsy forceps of sample.

The technical scheme in the invention for solving the above technical problem is: but a kind of two-way bending biopsy forceps comprises fixed handle, flexible handle, claw beam, binding clip seat, clamp, pull bar, pull bar joint chair, bending connector, curved moving runner, stone dead wire, forward nut, forward swivel nut, reverse nut, reverse swivel nut, bending pull bar, No. two bending pull bars, adapter sleeve; Fixed handle and flexible handle are rotationally connected, and claw beam is connected on the fixed handle, and the binding clip seat is connected with claw beam, and clamp is connected with the binding clip seat, and pull bar one end is connected with the pull bar joint chair, and the other end is connected with flexible handle; The bending connector is connected between binding clip seat and the claw beam, and is sleeved on the stone dead wire; Stone dead wire is connected between pull bar and the pull bar joint chair; Bending pull bar is fixed with forward swivel nut and binding clip seat respectively, and No. two the bending pull bar is fixed with reverse swivel nut and binding clip seat respectively; Forward swivel nut is connected with nut thread forward, and reverse swivel nut is connected with reverse nut thread, and forward swivel nut and reverse swivel nut are sleeved on the pull bar; Curved moving runner suit is fixed on forward on the nut and reverse nut; Adapter sleeve is fixed in the claw beam, and is sleeved on forward on the swivel nut and reverse swivel nut; Clamp comprises clamp and following clamp; It is characterized in that: have the folder bowl on described on the clamp, on described clamp down, have folder bowl down, last a folder bowl and a folder bowl cooperation down.

The contour line of going up the longitudinal section of folder bowl described in the utility model is a camber line, and the contour line of cross section is circle.

The contour line of the longitudinal section of the bowl of folder down described in the utility model is a camber line, and the contour line of cross section is circle.

This utility model also comprises button, tooth plate, tooth bar, tooth bar spring; Button is rotationally connected with tooth bar and fixed handle respectively, and tooth bar is rotatably connected on the fixed handle, and tooth plate is fixed on the flexible handle, and tooth bar spring one end is connected with tooth bar, and the other end is connected with fixed handle, and tooth plate and tooth bar cooperate.。

This utility model compared with prior art has following advantage and effect: reasonable in design, and carry out lesions position effectively and sting and cut sample, sting that to cut sample effective, the safety easy to use of performing the operation.

Description of drawings

Fig. 1 is the structural representation of this utility model embodiment.

Fig. 2 is this utility model embodiment broken section structural representation.

Fig. 3 is a bending connector Facad structure sketch map.

Fig. 4 is a bending connector side structure sketch map.

Fig. 5 is a bending connector sectional structure sketch map.

Fig. 6 is the structural representation of adapter sleeve part.

Fig. 7 is a part of sectional structure sketch map of Fig. 2.

Fig. 8 is another part sectional structure sketch map of Fig. 2.

Fig. 9 is the B-B sectional structure sketch map of Fig. 1.

Figure 10 is the A-A sectional structure sketch map of Fig. 2.

Figure 11 is the structural representation of runner part.

Figure 12 is the structural representation of clamp part.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment.

Embodiment: referring to Fig. 1～Figure 12, this utility model embodiment fixed handle 1, flexible handle 2, claw beam 3, runner 4, binding clip seat 5, clamp 6, adapter sleeve 7, pull bar 8, pull bar joint chair 9, bending connector 10, curved moving runner 11, stone dead wire 12, forward nut 13, forward swivel nut 14, reverse nut 15, reverse swivel nut 16, bending pull bar 17, No. two bending pull bars 18, rotary sleeve 25, spring 26, ball 27, positioning sleeve 28, button 34, tooth plate 35, tooth bar 36, tooth bar spring 37.

Fixed handle 1 and flexible handle 2 are rotationally connected.

Clamp 6 is connected on the binding clip seat 5.Clamp 6 comprises clamp 19 and following clamp 20, has folder bowl 32 on last clamp 19, and the contour line of the longitudinal section of last folder bowl 32 is a camber line, and the contour line of its cross section is circle.Have down folder bowl 33 on the infra clamp 20, the contour line of the longitudinal section of following folder bowl 33 is a camber line, and the contour line of its cross section is circle.Last folder bowl 32 and following folder bowl 33 cooperate, go up folder bowl 32 and following folder bowl 33 during infra folder bowl 33 closures and form an oblate seal cavity, make the sampling part can not come off, can take out the sampling part external smoothly in order to place the part of taking a sample, sting that to cut sample effective, convenient, safety are used in operation.

Stone dead wire 12 is connected between pull bar 8 and the pull bar joint chair 9, makes pull bar 8 be connected with pull bar joint chair 9.Pull bar 8 one ends are connected with flexible handle 2, and pull bar joint chair 9 is rotationally connected with clamp 6.

Claw beam 3 one ends are connected on the fixed handle 1.Bending connector 10 is connected between binding clip seat 5 and the claw beam 3, makes binding clip seat 5 be connected with claw beam 3.Bending connector 10 is provided with and rolls seat 21 and slot rolling 22, and has bending threaded hole of steel 23 and tie rod hole 24.Two bending threaded hole of steel 23 are inserted in a bending pull bar 17 and No. two bending pull bars 18 respectively, tie rod hole 24 is inserted in stone dead wire 12, be inserted in Psychotria rubra (Lour.) Poir. bending connector 10 in order altogether, the seat 21 that rolls of a bending connector 10 is inserted in the slot rolling 22 of another bending connector and flexibly movable just, first bending connector 10 is fixing with claw beam 3 welding, and last bending connector 10 is fixing with 5 welding of binding clip seat.

Swivel nut 14 and binding clip seat 5 are fixing respectively with forward for a bending pull bar 17, and No. two bending pull bar 18 is fixing with reverse swivel nut 14 and binding clip seat 5 respectively.Forward nut 13 is threaded with swivel nut 14 forward, and reverse nut 15 is threaded with reverse swivel nut 16, and curved moving runner 11 is fixedly set in forward on the nut 13 and reverse nut 15.Forward swivel nut 14 and reverse swivel nut 16 are sleeved on the pull bar 8.Adapter sleeve 7 is fixed in the claw beam 3, and is sleeved on forward on the swivel nut 14 and reverse swivel nut 16, and forward 15 on nut 13 and reverse nut are sleeved on the adapter sleeve 7.Clockwise curved moving runner 11, at nut 13 forward with forward under the effect of

swivel nut

14,3 forward swivel nut 14 promote 17, numbers bending pull bars of bending pull bars, 17 promotion binding clip seats 5; Under the effect of reverse nut 15 and reverse swivel nut 16,18, No. two bending pull bars of reverse swivel nut 16 No. two bending pull bars of pulling, 18 pulling binding clip seats 5; Push-and-pull forms the binding clip bending in conjunction with synchronous operation.The curved moving runner 11 of reverse is taken turns lucky with above-described opposite, and it is crooked to form the binding clip opposite direction.

Have draw-in groove 29 on claw beam 3, be fixed with positioning seat 30 on runner 4, positioning seat 30 is connected on the draw-in groove 29, makes runner 4 suits be fixed on the claw beam 3.Rotary sleeve 25 suits are fixed in the runner 4, and are sleeved on the claw beam 3.Spring 26 compressions are installed on the rotary sleeve 25, and ball 27 contacts with spring 26.Positioning sleeve 28 is sleeved on the rotary sleeve 25, and fixing with rotary sleeve 25 and fixed handle 1.Have 8 locating holes 31 on positioning sleeve 28, locating hole 31 cooperates with ball 27, and ball 27 snaps in the locating hole 31.Rotating wheel 4, runner 4 drives claw beam 3 and rotates, and 3 of claw beams drive clamp 6 and rotate.Runner 4 also driven rotary cover 25 rotates, and under the effect of spring 26, ball 27 and locating hole 31, runner 4 has 8 orientations.

Button 34 is rotationally connected with tooth bar 36 and fixed handle 1 respectively.Tooth bar 36 is rotatably connected on the fixed handle 1.Tooth plate 35 is fixed on the flexible handle 2.Tooth bar spring 37 1 ends are connected with tooth bar 36, and the other end is connected with fixed handle 1.Press the button 34, button 34 drives tooth bar 36 and rotates, and makes tooth bar 36 and tooth plate 35 break away from, and flexible handle 2 can rotate.Decontrol button 34, under the effect of tooth bar spring 37, tooth bar 36 resets, and itself and tooth plate 35 mesh, and makes that flexible handle 2 is fixing.

Claims

1. but two-way bending biopsy forceps comprises fixed handle, flexible handle, claw beam, binding clip seat, clamp, pull bar, pull bar joint chair, bending connector, curved moving runner, stone dead wire, forward nut, forward swivel nut, reverse nut, reverse swivel nut, bending pull bar, No. two bending pull bars, adapter sleeve; Fixed handle and flexible handle are rotationally connected, and claw beam is connected on the fixed handle, and the binding clip seat is connected with claw beam, and clamp is connected with the binding clip seat, and pull bar one end is connected with the pull bar joint chair, and the other end is connected with flexible handle; The bending connector is connected between binding clip seat and the claw beam, and is sleeved on the stone dead wire; Stone dead wire is connected between pull bar and the pull bar joint chair; Bending pull bar is fixed with forward swivel nut and binding clip seat respectively, and No. two the bending pull bar is fixed with reverse swivel nut and binding clip seat respectively; Forward swivel nut is connected with nut thread forward, and reverse swivel nut is connected with reverse nut thread, and forward swivel nut and reverse swivel nut are sleeved on the pull bar; Curved moving runner suit is fixed on forward on the nut and reverse nut; Adapter sleeve is fixed in the claw beam, and is sleeved on forward on the swivel nut and reverse swivel nut; Clamp comprises clamp and following clamp; It is characterized in that: have the folder bowl on described on the clamp, on described clamp down, have folder bowl down, last a folder bowl and a folder bowl cooperation down.

2. but two-way bending biopsy forceps according to claim 1 is characterized in that: the described contour line of going up the longitudinal section of folder bowl is a camber line, and the contour line of cross section is circle.

3. but two-way bending biopsy forceps according to claim 1 is characterized in that: the contour line of the longitudinal section of the described bowl of folder down groove is a camber line, and the contour line of cross section is circle.

4. but two-way bending biopsy forceps according to claim 1 is characterized in that: also comprise button, tooth plate, tooth bar, tooth bar spring; Button is rotationally connected with tooth bar and fixed handle respectively, and tooth bar is rotatably connected on the fixed handle, and tooth plate is fixed on the flexible handle, and tooth bar spring one end is connected with tooth bar, and the other end is connected with fixed handle, and tooth plate and tooth bar cooperate.