CN201755250U

CN201755250U - Electric endoscope cutting scissors

Info

Publication number: CN201755250U
Application number: CN2010202810689U
Authority: CN
Inventors: 冯志强; 聂玉强
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-26
Filing date: 2010-07-26
Publication date: 2011-03-09
Anticipated expiration: 2020-07-26

Abstract

Electric endoscope cutting scissors comprise scissors (1) and an operating handle (2). The scissors (1) include two mutually stacked scissor blades hinged at the positions of a rear end hinge pin, the operating handle (2) controls the scissors (1) by the aid of a pull rod (5) and a connecting rod component (6), the pull rod (5) is arranged inside an insulating casing pipe (3), the operating handle (2) controls the pull rod (5) to linearly reciprocate in movement along the insulating casing pipe (3), and the reciprocating linear movement is converted into cutting movement of the two scissor blades by the aid of the connecting rod component (6). The electric endoscope cutting scissors are convenient in operation and high in safety, and can be widely applied to cutting of polypi and tumors with various sizes and shapes, cutting of tumors under mucosae, cutting of muscles (including papillary muscles), cutting of intestinal adhesion belts and the like.

Description

The scope TURP is cut

Technical field

This utility model relates to a kind of medical shears, the TURP that relates in particular to a kind of scope down cut polyp, mucosa, swollen thing, muscle etc. is cut, the diagnosis that is applicable to gastroscope, colonoscope, small intestinal mirror, bronchoscope, peritoneoscope, thoracoscope, choledochoscope, otorhinolaryngology mirror etc. treat down with mirror and the scope of intestinal adhesion band under lysis.

Background technology

Present raising along with the therapeutic endoscopy means, minimally-invasive treatment means and method are carried out in succession under the increasing scope, especially under the scope under the excision of polyp, tumor etc. and scope antidromicity ERCP (ERCP), the scope sphincterotomy get carrying out of demu osation (ESD) etc. under stone (EST), endoscopic mucosal resection art (EMR), the scope, make the part patient not need to carry out surgical operation and just can remove slight illness.But these operations all will be cut treatment without exception, at present generally use snare, hot biopsy forceps, pin type incision knife etc. to operate, and still, existing these mirror incisions tool safety that goes into operation is not enough, and operation is also inconvenient, and the scope of application is limited bigger.For example, for the pin type incision knife, owing to the angle and the direction of its pin cutter are fixed, and needle point is little, and is wayward during operation, can cause following point: 1, be difficult to the degree of depth, the angle that control is cut; 2, easily cause perforation; 3, excessively excision etc.; 4, excision not exclusively.And hot biopsy forceps only can clamp except that little polyp, swollen thing, for bigger polyp, can't use.For big polyp, swollen thing, or the polyp of wide substrate, swollen thing, snare also is difficult to operation.Particularly for lysis under the intestinal adhesion row scope, at present basic no suitable incision instrument is available.

Summary of the invention

This utility model provides a kind of scope TURP safe, easy to operate and applied widely to cut at the defective of prior art.

The technical solution of the utility model is as follows:

A kind of scope TURP is cut, and comprises shears and operating grip, and described shears comprises two cutting edges that are superimposed with each other and are articulated in bearing pin place, rear end;

Described operating grip is controlled described shears by placing pull bar and link assembly in the insulated sleeve; Described link assembly comprises at least one gangbar and at least one connecting rod, and the front end of described gangbar is fixedlyed connected with a slice cutting edge of described shears at least, and the front end of its rear end and described connecting rod is hinged; The front end of described pull bar and the rear end of described connecting rod are hinged, and its rear end is fixed on the described operating grip; The bearing pin of described shears is fixed on the insulated sleeve;

Described operating grip is controlled described pull bar and is done to come and go rectilinear motion along described insulated sleeve, and this round rectilinear motion is converted to the shearing motion of described two cutting edges by described link assembly.

Described link assembly comprises a gangbar and a connecting rod, and two cutting edges of described shears are respectively to be fixed on decides cutting edge and the moving cutting edge hinged with described bearing pin on the described bearing pin, and the front end of described gangbar is fixedlyed connected with described moving cutting edge.

Described link assembly can also comprise second gangbar and second connecting rod, two cutting edges of described shears are the moving cutting edge hinged with described bearing pin, described gangbar front end is fixedlyed connected with a moving cutting edge, the described second gangbar front end is fixedlyed connected with another moving cutting edge, the rear end of the described gangbar and second gangbar is hinged with the front end of the described connecting rod and second connecting rod respectively, and the rear end of the described connecting rod and second connecting rod lumps together with the front end of described pull bar hinged.

Two cutting edges of described shears are for ease of cutting difformity tissue and be applicable to variety classes and the staight scissors of different model scope or curved scissors, the back side and the tip of described two cutting edges are insulator, no power during shearing can not excise deeply, can effectively avoid complication such as perforation.

Described operating grip comprises first handle and second handle, and described first handle and second handle opposite position respectively are provided with row's ratchet-like latch along both folding directions, block two handles when conveniently needing, and make shears keep interlocking pattern.

Described first handle front end is articulated in described second handle middle part, and described back end of tie rod is fixed on this first handle, and described second handle front end is fixed in described insulated sleeve rear end.

Described back end of tie rod is fixed on the described first handle by first jump ring.

Described insulated sleeve rear end is fixed on the described second handle by second jump ring.

Described sleeve pipe can be connected with commercial universal handle with pull bar.

Compared with prior art, scope TURP clipper of the present utility model has following beneficial effect: easy to operate, control is cut angle and cut the degree of depth easily, can excise focus as far as possible, and is safe, and the scope of application is extensive.

Description of drawings

Fig. 1 cuts the sketch map of embodiment one when cutting edge opens for this utility model scope TURP;

Fig. 2 cuts the sketch map of embodiment two when cutting edge opens for this utility model scope TURP;

Fig. 3 cuts the sketch map of embodiment one when the cutting edge interlock for this utility model scope TURP;

Fig. 4 cuts the sketch map of embodiment two when the cutting edge interlock for this utility model scope TURP;

Fig. 5 is the sketch map of first kind of operating grip 2 when being connected with insulated sleeve 3 with pull bar 5;

Fig. 6 is the sketch map of commercial operating grip 2 when being connected with insulated sleeve 3 with pull bar 5;

Fig. 7 is the structural representation of described jump ring.

The specific embodiment

Below in conjunction with accompanying drawing an embodiment of the present utility model is described.

As Fig. 1 or shown in Figure 2, scope TURP of the present utility model is cut and is comprised shears 1, operating grip 2 and place pull bar 5 and link assembly 6 in the insulated sleeve 3.Wherein, shears 1 comprises the

cutting edge

11 and 12 at two bearing pin places, rear end that are superimposed with each other and are articulated in.Described link assembly 6 comprises at least one gangbar 61 and at least one connecting rod 62, and the front end of described gangbar 61 is fixedlyed connected with a slice cutting edge of described shears 1 at least, and the front end of its rear end and described connecting rod 62 is hinged; The rear end of the front end of described pull bar 5 and described connecting rod 62 is hinged, and its rear end is fixed on the described operating grip 2 and with power supply and is connected; The bearing pin of described shears is fixed on the insulated sleeve 3.Do to come and go rectilinear motion along described insulated sleeve 3 by the described pull bar 5 of described operating grip 2 may command, this round rectilinear motion is converted to the shearing motion of described two cutting edges by described link assembly 6.

Among the embodiment one as shown in figures 1 and 3, described link assembly 6 comprises a gangbar 61 and a connecting rod 62, two

cutting edges

11 and 12 of described shears 1 are respectively to be fixed on decides cutting edge and the moving cutting edge hinged with described bearing pin on the described bearing pin, and the front end of described gangbar 61 is fixedlyed connected with described moving cutting edge and is integral.As Fig. 1, when described pull bar 5 moved forward, described connecting rod 62 upwards promoted the rear end of described gangbar 61, thereby made the cutting edge 12 that is connected with these gangbar 61 one open downwards; And when described pull bar 5 was mobile backward, as Fig. 3, described connecting rod 62 is the rear end of the described gangbar 61 of pulling downwards, thereby made the cutting edge 12 that is connected with these gangbar 61 one make progress and described cutting edge 11 interlocks.

In Fig. 2 and embodiment two shown in Figure 4, described link assembly 6 also comprises second gangbar 63 and second connecting rod 64, two

cutting edges

11 and 12 of described shears 1 are the moving cutting edge hinged with described bearing pin, described gangbar 61 front ends are fixed as one with moving cutting edge 12 and are connected, described second gangbar, 63 front ends are fixed as one with another moving cutting edge 11 and are connected, the rear end of the described gangbar 61 and second gangbar 63 is hinged with the front end of the described connecting rod 62 and second connecting rod 64 respectively, and the rear end of the described connecting rod 62 and second connecting rod 64 lumps together with the front end of described pull bar 5 hinged.As Fig. 2, when described pull bar 5 moves forward, the rear end of the relative respectively described gangbar 61 of extrapolation of described connecting rod 62 and second gangbar 63 with second connecting rod 64, thus make two

cutting edges

11 and 12 open; As Fig. 4, when described pull bar 5 was mobile backward, described connecting rod 62 internally drew the rear end of the described gangbar 61 and second gangbar 63 respectively mutually with second connecting rod 64, thereby makes two

cutting edges

11 and 12 interlocks.

In this utility model, described operating grip 2 has multiple different model, user can according to oneself hobby with conveniently select.As shown in Figure 5, described operating grip 2 can adopt the structure of scissors handle commonly used, it comprises first handle 21 and second handle 22, described first handle 21 front ends are articulated in described second handle 22 middle parts, described pull bar 5 rear ends are fixed on the power connection points 27 of this first handle 21, and described second handle 22 front ends are fixed in described insulated sleeve 3 rear ends.Like this, when holding when closing two handles, thereby described pull bar 5 is pulled rearward the moving action that produces the cutting edge interlock, can excise tissue holder with waiting, the cutting tissue that energising released energy and just can cut this moment; And when separating two handles, thereby described pull bar 5 is pushed forward the open action of generation cutting edge.

Described first handle 21 and second handle 22 opposite positions respectively are provided with row's ratchet-like latch 23 along both folding directions, when upper and lower latch 23 is engaged, the cutting edge closure so that be unlikely to damage scope when entering endoscopic forceps channel, also helps the dynamics of holding simultaneously when clamp is organized.

Described pull bar 5 rear ends are fixed on the described first handle 21 by first jump ring 71, and described insulated sleeve 3 rear ends are fixed on the described second handle 22 by second jump ring 72.Described

jump ring

71 and 72 structure are as shown in Figure 7, it comprises that a pedestal 75 and slip cap are connected on the hole seat 74 of this pedestal 75, one compression spring 78 supports this hole seat 74 mobile trend that keeps up that makes in described pedestal 75 and hole seat 74 bottoms, and hole seat 74 is provided with the macropore 76 and the aperture 77 of connection.When pushing hole seat 74 downwards, described pull bar 5 can pass from macropore 76; And when decontroling hole seat 74, thereby described pull bar 5 is pressed into described aperture 77 interior being stuck.

As shown in Figure 6, described operating grip 2 also can be connected with commercial universal handle.

Two cutting edges of described shears 1 can be staight scissors or curved scissors, be convenient to cut difform tissue, and be applicable to variety classes and different model scope, the size and the profile of described cutting edge have multiple choices, can be for the polyp of all size and shape, the excision of swollen thing, the excision of swollen thing under the mucosa, the incision of muscle (comprising) papillary muscles, incision of intestinal adhesion band or the like.The back side and the tip of described two cutting edges are insulator, and no power during shearing can not excise deeply, can effectively avoid complication such as perforation.The length and the diameter of described insulated sleeve 3 and pull bar 5 have multiple different model, so that be complementary with various scopes, are applicable to various scopes such as gastroscope, colonoscope, small intestinal mirror, bronchoscope, peritoneoscope, thoracoscope, choledochoscope, otorhinolaryngology mirror.

Claims

1. a scope TURP is cut, and comprises shears (1) and operating grip (2), and described shears (1) comprises two cutting edges that are superimposed with each other and are articulated in bearing pin place, rear end (11,12); It is characterized in that:

Described operating grip (2) is controlled described shears (1) by placing pull bar (5) and link assembly (6) in the insulated sleeve (3); Described link assembly (6) comprises at least one gangbar (61) and at least one connecting rod (62), and the front end of described gangbar (61) is fixedlyed connected with a slice cutting edge of described shears (1) at least, and the front end of its rear end and described connecting rod (62) is hinged; The rear end of the front end of described pull bar (5) and described connecting rod (62) is hinged, and its rear end is fixed on the described operating grip (2); The bearing pin of described shears is fixed on the insulated sleeve (3);

Described operating grip (2) is controlled described pull bar (5) and is done to come and go rectilinear motion along described insulated sleeve (3), and this round rectilinear motion is converted to the shearing motion of described two cutting edges by described link assembly (6).

2. scope TURP according to claim 1 is cut, it is characterized in that: described link assembly (6) comprises a gangbar (61) and a connecting rod (62), two of described shears (1) cuts (11,12) be respectively to be fixed on and decide cutting edge and the moving cutting edge hinged with described bearing pin on the described bearing pin, the front end of described gangbar (61) is fixedlyed connected with described moving cutting edge.

3. scope TURP according to claim 1 is cut, it is characterized in that: described link assembly (6) also comprises second gangbar (63) and second connecting rod (64), two of described shears (1) cuts (11,12) be the moving cutting edge hinged with described bearing pin, described gangbar (61) front end is fixedlyed connected with a moving cutting edge, described second gangbar (63) front end is fixedlyed connected with another moving cutting edge, the rear end of described gangbar (61) and second gangbar (63) is hinged with the front end of described connecting rod (62) and second connecting rod (64) respectively, and the rear end of described connecting rod (62) and second connecting rod (64) lumps together with the front end of described pull bar (5) hinged.

4. cut according to claim 1,2 or 3 described scope TURPs, it is characterized in that: two cutting edges of described shears (1) are for ease of cutting difformity tissue and be applicable to variety classes and the staight scissors of different model scope or curved scissors, and the back side and the tip of described two cutting edges are insulator.

5. cut according to claim 1,2 or 3 described scope TURPs, it is characterized in that: described operating grip (2) comprises first handle (21) and second handle (22), and described first handle (21) and second handle (22) opposite position respectively are provided with row's ratchet-like latch (23) along both folding directions.

6. scope TURP according to claim 5 is cut, it is characterized in that: described first handle (21) front end is articulated in described second handle (22) middle part, described pull bar (5) rear end is fixed on this first handle (21), and described second handle (22) front end is fixed in described insulated sleeve (3) rear end.

7. scope TURP according to claim 6 is cut, and it is characterized in that: described pull bar (5) rear end is fixed on the described first handle (21) by first jump ring (71).

8. scope TURP according to claim 6 is cut, and it is characterized in that: described insulated sleeve (3) rear end is fixed on the described second handle (22) by second jump ring (72).

9. cut according to claim 1,2 or 3 described scope TURPs, it is characterized in that: described sleeve pipe (3) is connected with commercial universal handle (2) with pull bar (5).