CN105250010A

CN105250010A - Medical endoscope operating forceps

Info

Publication number: CN105250010A
Application number: CN201410333864.5A
Authority: CN
Inventors: 李岱峰; 李烨
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-07-15
Filing date: 2014-07-15
Publication date: 2016-01-20
Anticipated expiration: 2034-07-15
Also published as: CN105250010B

Abstract

An improved medical endoscope operating forceps comprises a forceps head, a forceps rod, a forceps seat, an operation member, a transmission rod and a moving member. The moving member is connected with the transmission rod; the transmission rod is connected with a moving part of the forceps head; one end of the forceps rod is connected with the forceps seat and the other end is connected with a fixing part of the forceps head; the operation member operates the moving member to enable a jaw of the operating forceps to take actions via a transmission device; the operation member is a swinging rod; a chute is formed in the swinging rod; a shaft pin is arranged on the moving member; and the shaft pin on the moving member is placed in the chute formed in the swinging rod. The medical endoscope operating forceps is characterized in that the operation member is in a single-arm swinging rod structure; a shaft is projected from the forceps seat; the moving member covers the shaft; a tubular or grooved thin wall member covers the forceps seat; and the thin wall member radially surrounds or half-surrounds the shaft on the forceps seat and the moving member. Two embodiments of gun-shaped and pen-shaped forceps are provided; the improved operation forceps integrates functions of forceps rod exchange, forceps head angle adjustments, anti-overload safety device, self-locking and endoscope sheathing canal; and the medical endoscope operating forceps can be easily cleaned and manufactured.

Description

Medical endoscope operating forceps

Technical field

The invention relates to the improvement of medical endoscope operating forceps.

Background technology

CN200910017109.5 patent application illustrates the structure of now general medical endoscope operating forceps, CN200480017577.8 patent application illustrates the structure of the demountable operating forceps of a kind of claw beam, 200820087533.8 a number patent application illustrates a kind of binding clip angular adjustment apparatus, last patent application exists cannot change claw beam, the problems such as binding clip angle cannot be adjusted, the operating forceps of latter two patents application inapplicable band endoscope sheath, the operating parts of these medical endoscope operating forcepies is at the rear of fixed handle, operating parts is both arms swing rod form, the both sides of power arm and resistance arm office fulcrum shaft, there is gripping convenient not, inconvenience cleaning is with endoscope's sheath with can not have simultaneously, replaceable claw beam, adjustment binding clip angle, the problem of the functions such as antioverloading safety device.CN201410242230.9 patent application illustrates a kind of with antioverloading safety device, the ring set pull bar outside claw beam, operating forceps with several feature such as binding clip of eccentric orfice.

Summary of the invention

The object of the invention is: provide a kind of operating parts to adopt single armed fork, be convenient to integratedly such as to change claw beam, change binding clip, adjustment binding clip angle, one in the several functions such as antioverloading safety device, self-locking, band endoscope sheath pipe or repertoire and easy to operate, be convenient to cleaning, be convenient to the medical endoscope operating forceps manufactured.

Have employed following technical scheme: a kind of medical endoscope operating forceps for this reason, comprise binding clip, claw beam, clamp block, operating parts, drive link, moving member, moving member is connected with drive link, drive link is connected with the movable part on binding clip, claw beam one end is connected the other end and is connected with the fixed part of binding clip with clamp block, operating parts handles by fork chute actuating device the jaw action that moving member makes operating forceps, operating parts is swing rod form, fork there is chute, moving member there is pivot pin, in the chute of pivot pin on moving member on fork, it is characterized in that: operating parts is single armed swing rod form, clamp block is extruded with axle, moving member slides on axle.

Have a tubulose or channel-shaped thin-wall part to be enclosed within clamp block to be fixed together with clamp block; thin-wall part radial direction is surrounded or outstanding axle and moving member in semi-surrounding clamp block; the other end of thin-wall part has the outer guide of moving member; the termination of drive link is welded with middleware, and drive link is connected with moving member by safe pin or elastic telescopic pin safety device.

Axle outstanding in clamp block is hollow axle, and the direction that aixs cylinder goes out is to binding clip direction, and moving member also slides on the hollow claw beam as endoscope's sheath simultaneously.

With binding clip angle adjustment knob, knob is extruded with axle, claw beam is fixed on this axle, the cylindrical of axle there are uniform depression or tooth, axle inserts in hole coaxial with claw beam in clamp block, and clamp block or thin-wall part are fixed with elastic telescopic pin, and plunger is absorbed in depression or between cog, the cylindrical of this axle also has annular recess, and groove is inserted in the end being fixed on pin on hole wall or screw.

Binding clip fixed part and claw beam, binding clip movable part and pull bar are all be threaded or the quick detachable connected mode such as soldering splicing, claw beam and clamp block removably connect, claw beam is fixed on binding clip angle adjustment knob or claw beam one end is welded with a transition spool piece, on the part that transition spool piece is fixed in clamp block by holding screw, pin or screw thread, nut or the front end of thin-wall part is fixed together with it.

Middleware is revolving sleeve tubular construction preferably, and revolution sleeve pipe is made up of in the cannelure of inner leg outer tube sleeve, and the length of outer tube is equal with the width of cannelure, and outer tube can rotate but can not move axially in the cannelure of inner leg

The welding edges of the pull bar of ring set on claw beam is fixed with an eccentric bushing, eccentric bushing there is the arcuation groove concentric with pull bar, there is the brace of a slice circular arc section, brace there is the projection with arcuation slot fit, protruding in arcuation groove during work, the movable part brace brace of circular arc section and binding clip movable part stretching out binding clip fixed part welds together, and claw beam has external screw thread be connected with the female thread on binding clip fixed part.

Operating parts there is the projection of channel-shaped, two walls of groove have chute, and the pivot pin on moving member is in chute, and the projection of channel-shaped is inserted in the groove of channel-shaped thin-wall part, on operating parts, the bottom land of the projection of channel-shaped and the position of operating parts axle are in the same side of claw beam axis, and the position of operating parts axle is at the afterbody of clamp block.

Handle is fixed in clamp block, position is in the below of claw beam axis, the both sides of the axle office claw beam axis of handle and operating parts, the axle of operating parts is on the jut upwards of the middle part of thin-wall part, the top of operating parts is flute profile, bottom land and the both sides with the axle office claw beam axis of operating parts, two walls of groove have chute, operating parts have finger ring or refer to hook.

When claw beam is the pull bar sheath form of an independent hollow pipe pull bar in hollow pipe, claw beam or binding clip angle adjustment knob are arranged on thin-wall part near binding clip one end, and the axle now in clamp block can be solid shafting.

On operating parts channel-shaped projection two walls on have ratchet, ratchet be L shape crank arm eave tile swing ratchet, the axle of ratchet is fixed on the guard shield of projection outside channel-shaped thin-wall part bottom land, the wall of guard shield has guide rail, and have one to handle slide block in guide rail, there is projection the upper end of slide block, projection can oppress L shape crank arm eave tile swing ratchet ratchet is lifted, slide block is fixed with spring leaf, spring leaf has positioning convex or depression, coordinate with the positioning convex on the wall of guard shield or cave in.

The handle be fixed in clamp block is the form that thin-walled is split, handle radial direction surrounds thin-wall part, the inwall of handle upper portion coordinates with the outer wall of thin-wall part, the operating parts bracelet of major part on handle inner only operating parts or hands hook and stretch out outside handle, ratchet is arranged at the bottom of operating parts, ratchet is in handle, and ratchet swings ratchet.

Have in the chute of ratchet locked component in handle wall, the slide block on ratchet locked component has inclined-plane, the inclined-plane on inclined-plane compressing ratchet makes ratchet depart from ratchet.

Larger design freedom is had by the operating forceps of the present invention's design, can integrated binding clip angle adjustment, interchangeable claw beam, interchangeable binding clip, band self-locking, the several functions such as band antioverloading safety device, claw beam can be that independent endoscope sheath tubular tie is enclosed within outside endoscope's sheath pipe, independent casing tube of tension rod pull bar is in sleeve pipe, endoscope's sheath pipe and casing tube of tension rod three kinds of selections arranged side by side, that the profile of operating forceps can be designed to pen type or gun-type, the operating forceps of two kinds of profiles can select the several or whole of aforementioned function, claw beam can select in aforementioned three kinds any one, these functions, profile, claw beam form can carry out suitable permutation and combination with applicable needs, can with existing link-type, most of binding clips such as alligator clamp hair style spring housing ring type are supporting, preferably supporting to clean with detachable binding clip.

Accompanying drawing illustrates:

Fig. 1 is integrated with the repertoires such as binding clip angle adjustment, interchangeable claw beam, interchangeable binding clip, band self-locking, band antioverloading safety device by the present invention's design, claw beam is that independent endoscope sheath tubular tie is enclosed within outside endoscope's sheath pipe, operating parts is the axonometric three-dimensional view of the medical endoscope operating forceps of the pen type profile of channel-shaped

Fig. 2 is the partial enlarged drawing of the sectional view along the axial symmetrical plane of Fig. 1,

Fig. 3 is the partial enlarged drawing of the sectional view of the symmetrical plane vertically of casing tube of tension rod and endoscope's sheath pipe embodiment arranged side by side,

Fig. 4 is claw beam is an independent hollow pipe, the pull bar sheath form of pull bar in hollow pipe, and claw beam or binding clip angle adjustment knob are arranged on the partial enlarged drawing of thin-wall part near the sectional view of the symmetrical plane vertically of binding clip one end embodiment,

The embodiment of Fig. 5 to be the handle of gun-type profile of repertoire shown in the band Fig. 1 by the present invention's design be thin-walled splits form removes the axonometric three-dimensional view after a slice handle,

Fig. 6 is the partial enlarged drawing of the sectional view along the axial symmetrical plane of Fig. 5,

Fig. 7 is welded with U-shaped fixed handle, and operating parts refers to the axonometric three-dimensional view of hook-shaped formula embodiment,

Fig. 8 is the axonometric drawing of the thin-wall part part of example shown in Fig. 5,

Fig. 9 is binding clip fixed part and claw beam, binding clip movable part and pull bar without the axonometric drawing of the embodiment of brazing,

Diagram: 1. 2. The pin head tube shell (3) compression spring pressure regulating 4. 5. Screw spring 6. 7. Rectangular tube ring 8. Operating a 9. Shaft pin 10. Moving a 11. Endoscopic sheath clamp rod 12. Clamp holder 13. Transition casing 14. Torsion spring 15. 16. Operating a shaft clamp head Angle adjustment knob 17. Endoscopic focusing knob 18. Pin the booth, tie rod 21. 22. The inner core column 23. The outer tube cover 24. The pawl 25. The pawl shaft 26. The torsional spring 27 axial convex 28. The manipulation of the sliding block 29 30. The screw spring of 31 in plate 32. Thin-walled 33. Tight set screw 34 elastic telescopic pin 35 positioning pin 36 circular arc sliding block with a pull rod bushing 38. The rectangular piece of 39. 40. The front clamp head Angle adjustment knob transition casing 41. The nut 42. 43. The safety pin handle 44. L crank arm swinging pawl 45. The pawl bearing the ratchet slider 47 manipulation. The localizer 48. Tong head fixed section 49. Activity of connection piece 50. Eccentric set of 51..Circular cross section of the connection piece

Detailed description of the invention:

See Fig. 1, Fig. 2, clamp block 12 matrix is rectangular block shape, the front end face of clamp block is extruded with hollow axle to binding clip direction, moving member 10 slides on hollow axle, moving member also slides over simultaneously as on the claw beam 11 of endoscope's sheath simultaneously, moving member 10 is elongate in shape of rectangular cross section, the front end of moving member is connected with pull bar 20, have a tubulose or channel-shaped thin-wall part 32 to be enclosed within clamp block matrix to be fixed together with clamp block, become a part for clamp block, thin-wall part 32 radial direction surround or semi-surrounding clamp block on hollow axle and moving member, the other end of thin-wall part is welded with the outer guide that one section of rectangular tube 6 becomes moving member, operating parts 8 is single armed swing rod form, operating parts there is the projection of channel-shaped, two walls of groove there is chute, pivot pin 9 on moving member is in chute, require for reducing heat treatment hardness and increase the life-span, on pivot pin, cover has slide block or roller.

With binding clip angle adjustment knob 16, knob is extruded with axle, the cylindrical of axle there are uniform depression or tooth, axle inserts in hole coaxial with claw beam on clamp block 12 rear end face, clamp block or thin-wall part are fixed with elastic telescopic pin 34, plunger is absorbed in depression or between cog, the cylindrical of this axle also has annular recess, groove is inserted in the end being fixed on pin on clamp block hole wall or screw, make binding clip angle adjustment knob axial location, can set up circular arc slide block 36 in annular recess for increasing positioning precision, shop bolt 35 is threaded with slide block 36.The rear end face of binding clip angle adjustment knob there is screw, there is stud endoscope's adjusting knob 17 one end, and stud screws in this hole, and the other end of endoscope's adjusting knob is extruded with axle, axle there is cannelure, after endoscope's connection deck 19 is inserted in axle, pin 18 is screwed into cannelure and connects.

Claw beam and clamp block removably connect, and when being provided with binding clip angle adjustment knob, claw beam is generally directly weldingly fixed on binding clip angle adjustment knob.Also can be welded with a transition spool piece 13 in claw beam one end, transition spool piece is swivel nut form, is fixed on binding clip angle adjustment knob by screw thread and holding screw 33.

Binding clip fixed part and claw beam, binding clip movable part and pull bar are all to be threaded or Welding, splicing etc. removably connect mode, when being threaded general binding clip fixed part with female thread claw beam with external screw thread.Pull bar is welded with a tapped sleeve pipe in pull bar one end when claw beam is inner, and the movable part of binding clip is with external screw thread.Binding clip movable part and pull bar soldering, when glueing joint, a brace is had to be welded on binding clip movable part, brace stretches out binding clip fixed part, in extension soldering or splicing, splicing can select gear division bonding agent, soldering can adopt soldering, and the pull bar of ring set outside claw beam can fix a slice brace again in end, the soldering of two panels brace or splicing.

It is claw beam and the pull bar embodiment without brazing shown in Fig. 9, in figure, the welding edges of the pull bar of ring set on claw beam is fixed with an eccentric bushing 50, eccentric bushing there is the arcuation dovetail groove concentric with pull bar, owing to being eccentric so eccentric bushing upper part has slot part slotless, the brace 51 of the circular arc section having a slice to coordinate with eccentric bushing cylindrical, brace has the projection coordinated with dovetail groove, protruding in dovetail groove during work, rotating eccentric sleeve can be separated with groove to projection during the part of slotless.The movable part brace 49 brace 51 of circular arc section and binding clip movable part stretching out binding clip fixed part welds together, and claw beam has external screw thread be connected with the female thread of binding clip fixed part 48.Described dovetail groove also can be straight wall groove.

Band endoscope's sheath but when not establishing binding clip angle adjustment knob, the hole on clamp block rear end face is screw, the stud of endoscope's adjusting knob screws in screw, and the transition spool piece on claw beam is fixed in clamp block by holding screw, pin or screw thread, nut.

Claw beam is the combination of one of both endoscope's sheath pipe or casing tube of tension rod or endoscope's sheath pipe arranged side by side and casing tube of tension rod, and pull bar can be hollow, and ring set is in the outside of endoscope's sheath pipe, and pull bar also can be solid, in casing tube of tension rod.In example shown in Fig. 1, claw beam is endoscope's sheath pipe, and pull bar ring set is in the outside of endoscope's sheath pipe, and pull bar is connected with the movable part on binding clip by the brace of a section short.

The welding edges of pull bar has middleware, middleware in the hole of moving member end, by being fixed on safety pin on moving member hole wall or elastic telescopic pin transmits power.

Elastic telescopic pin has a tube-like envelope 2, Compress Spring 3 is had in tube-like envelope, Compress Spring 3 withstands plunger 1, plunger 1 can be the straight pin of bulb, sawtooth head square column pin, steel ball or brake pad, tube-like envelope has female thread or external screw thread, the pressure regulating screw 4 turning tube-like envelope or tube-like envelope top can adjust pressure size.Tube-like envelope can be fixed or be welded and fixed by screw thread.

Elastic telescopic pin in Fig. 1 example, be welded and fixed in the hole of tube-like envelope insertion moving member end, tube-like envelope have shoulder hole, in the hole on top, has screw thread, plunger is the straight pin of ladder shaft-like bulb, and the pressure regulating screw 4 turning tube-like envelope top can adjust Compress Spring pressure size.The welding edges of pull bar has cylindric middleware, middleware has ring-type arc groove.

When with middleware preferably revolving sleeve tubular construction during binding clip angle adjustment knob, form in revolution sleeve pipe is enclosed within cylindric inner leg 22 cannelure by outer tube 21, the length of outer tube is equal with the width of cannelure, and outer tube can rotate but can not move axially in the cannelure of inner leg.Inner leg is also tubulose usually, can manufacture like this: the cylindrical of inner leg has ladder, cover upper exterior tube after put a back-up ring again, by back-up ring and interior sealing of tube or rivet fix.The cylindrical of outer tube has annular arc groove or one or more bulb depression coordinate with the bulb of telescopic pin, the inner leg of pull bar and middleware is welded and fixed.The benefit of this structure does not produce additional drag when being adjustment binding clip angle, requires also lower to the quality of fit of elastic telescopic pin and middleware simultaneously.

Need when middleware is not rotary ring structure the careful adjustment elastic telescopic pin degree of depth that is absorbed on moving member hole wall to make plunger and ring-type arc groove tangent closely sealed but do not produce pressure, when object is the rotation of binding clip angle adjustment knob, do not produce additional torsion.

The antioverloading safety device of safe pin as shown in Figure 6, middleware in the hole of moving member, the pin-and-hole that have safety pin vertical with hole, safety pin 42 is inserted in pin-and-hole, transmit power by safety pin, screw is arranged at the top of pin-and-hole, screw is screwed with hollow nut 42 and prevents safety pin from coming off.

The endoscope of Shi Budai shown in Fig. 4 sheath pipe, claw beam be an independent casing tube of tension rod 37, pull bar 20 in casing tube of tension rod, preposition binding clip angle adjustment knob 39 is arranged on the embodiment of thin-wall part near binding clip one end, a rectangular block 38 is welded and fixed near binding clip one end at thin-wall part, pull bar is connected with moving member through rectangular block, rectangular block there is the hole coaxial with claw beam, binding clip angle adjustment knob is arranged in this hole, and other parts are identical with the structure being arranged on clamp block afterbody.When not establishing binding clip angle adjustment knob, transition spool piece 13 is threaded-insert types, is fixed on rectangular block.The diameter of threaded-insert type transition spool piece screw is greater than the external diameter of middleware to take out from hole when dismantling.

Band endoscope's sheath and band binding clip angle adjustment knob time, in clamp block with claw beam coaxial the porose external diameter being greater than middleware so that after when dismantling, shop bolt 35 exits from cannelure, whole piece claw beam can be extracted out from the afterbody of clamp block together with binding clip.

Fig. 3 is casing tube of tension rod and endoscope casing tube embodiment arranged side by side, and middleware is revolving sleeve tubular construction, middleware has two holes, and wherein concentric with endoscope sheath hole and endoscope's sheath sliding fit, another hole is welded with pull bar, and remainder is same as shown in Figure 1.

Be more than the apokoinou construction of embodiment by the present invention's design, difference can have several different structure again by profile and operating parts structure.

It is the example of pen type profile shown in Fig. 1, operating parts 8 is channel-shaped, the length of groove and the length of channel-shaped thin-wall part 32 close, the projection of the channel-shaped of groove front portion is inserted in the groove of channel-shaped thin-wall part, operating parts itself can make channel-shaped by the method for dull and stereotyped punching press, lobe is at two walls of groove, also be welded in slightly thicker stripe board after can being pressed into channel-shaped projection with plate stamping and form, the axle of operating parts is at the afterbody of clamp block, on operating parts, the bottom land of channel-shaped projection and the position of operating parts axle are in the same side of claw beam axis, the outside of bottom land is welded with finger ring 7, chute on protruding two walls of single armed fork and channel-shaped forms oscillating cam form.。

It is the example of gun-type profile shown in Fig. 5, the top of operating parts 8 is flute profiles of the upward opening of a section very short, the both sides of the axle office claw beam axis of bottom land and operating parts, moving member is in groove, two walls of groove there is chute, moving member there is pivot pin, pivot pin is in chute, on pivot pin, cover has slide block, the bottom welding of the flute profile of upward opening has shaft, shaft there is finger ring or refer to hook, there is the axis hole of operating parts the top of cell wall, the axle 15 of operating parts is on the jut upwards of the middle part of thin-wall part, the top of operating parts is in the inside of thin-wall part, handle 43 is fixed in clamp block, position is in the below of claw beam axis, the both sides of the axle office claw beam axis of handle and operating parts, finger ring or refer to hook close the binding clip one side at handle.

See Fig. 8; thin-wall part is the stamping parts that corrosion resistant plate is made; section is tubular or flute profile; middle part two walls that project upwards of self-assembling formation after otch bending; the axis hole of operating parts is on two outstanding walls, and the installing hole of moving member pivot pin is also on two walls, and thin-wall part is enclosed within can be welded and fixed after on clamp block matrix and also can fixes with screw or pin; also can be jammed when handle is the clamping plate form of splitting and fix, can also be screwed on the handle split.

Handle can be fixed on the matrix of clamp block, drill two holes in clamp block, is welded and fixed after U-shaped pipe inserts in the hole, and operating parts refers to hook trigger shape, and thin-wall part is weldingly fixed on the matrix of clamp block, as shown in Figure 7.

Can with ratchet so that self-locking on the operating parts of the operating forceps of pen type profile or gun-type profile.Ratchet can be translation also can be swing, swing ratchet better.

As shown in fig. 1, during pen type pincers, two walls of the channel-shaped projection on operating parts there is ratchet, ratchet on two walls preferably staggers mutually, ratchet 24 be L shape crank arm eave tile swing ratchet, the axle 25 of ratchet is fixed on the guard shield 23 of projection outside channel-shaped thin-wall part bottom land, guard shield can be welded and fixed or be screwed on thin-wall part, guard shield has poroid guide rail on the wall of pincers tail, one is had to handle slide block 28 in guide rail, manipulation slide block and cover plate 31 screw 29 are fixed, the wall of guard shield clamped by manipulation slide block and cover plate, the upper end of slide block is fixed with a shaft-like projection 27, axial both sides are protruding, projection can oppress two L shapes crank arm eave tile swing ratchet ratchet is lifted, slide block is fixed with spring leaf 30, spring leaf there are positioning convex or depression, coordinate with the positioning convex on the wall of guard shield or cave in, torsion spring 26 is enclosed within the axle of ratchet.

As shown in Figure 5, during gun-type pincers, on operating parts, the bottom welding of the flute profile of upward opening has shaft, and there is finger ring at the middle part of bar, and one section of circular arc is arranged at the bottom of bar, and circular arc has ratchet.When the bottom of operating parts is with ratchet, the form that the handle 43 two panels thin-walled that preferably sheet stamping becomes is split, two panels closes the shape of rear formation hollow, handle radial direction after closing surrounds thin-wall part, the inwall of handle upper portion coordinates with the outer wall of thin-wall part, the operating parts finger ring of major part on handle inner only operating parts or refer to that hook stretches out outside handle, L shape is cranked arm and is swung one end of ratchet 44 and give prominence to outside handle, the axle of ratchet is on handle, and ratchet support 45 spot welding of tortuous tabular is wherein on a slice handle.

Have in the chute of ratchet locked component in handle wall, the slide block 46 on ratchet locked component has inclined-plane, the inclined-plane on inclined-plane compressing ratchet makes ratchet depart from ratchet.

Handle be sheet stamping become two panels thin-walled split form time also can save thin-wall part, now the shape of similar aforementioned thin-wall part is made on the top of handle, replace thin-wall part.

Handle be sheet stamping become two panels thin-walled split form time the mode be fixed in clamp block can have multiple, can be that threaded pad post is set between two panels handle, with screw, clamp block and thin-wall part be clamped by two panels handle as clamping plate.By a slice in two panels handle directly and clamp block or thin-wall part be welded and fixed also passable, middle clamp block embodiment illustrated in fig. 6 is stretched out one piece of fixing head, the handle that thin-walled is split is screwed on the fixing head in clamp block, and spacer 47 makes two panels handle registration.

When operating parts there being finger ring, the spring 5 in Fig. 1 and Fig. 6 and torque spring 14 dispensable, can.

Claims

1. a medical endoscope operating forceps, comprise binding clip, claw beam, clamp block, operating parts, drive link, moving member, moving member is connected with drive link, drive link is connected with the movable part on binding clip, claw beam one end is connected the other end and is connected with the fixed part of binding clip with clamp block, operating parts handles by actuating device the jaw action that moving member makes operating forceps, operating parts is swing rod form, fork there is chute, moving member there is pivot pin, in the chute of pivot pin on moving member on fork, it is characterized in that: operating parts is single armed swing rod form, clamp block is extruded with axle, moving member slides on axle outstanding in clamp block.

2. medical endoscope operating forceps according to claim 1, it is characterized in that: have a tubulose or channel-shaped thin-wall part to be enclosed within clamp block and be fixed together with clamp block; thin-wall part radial direction surround or semi-surrounding clamp block on axle and moving member; the other end of thin-wall part has the outer guide of moving member; the termination of drive link is fixed with middleware, and drive link is connected with moving member by safe pin or elastic telescopic pin safety device.

3. medical endoscope operating forceps according to claim 2, is characterized in that: axle outstanding in clamp block is hollow axle, and the direction that aixs cylinder goes out is to binding clip direction, and moving member also slides on the hollow claw beam as endoscope's sheath.

4. medical endoscope operating forceps according to claim 2, it is characterized in that: with binding clip angle adjustment knob, knob is extruded with axle, claw beam is fixed on this axle, the cylindrical of axle there are uniform depression or tooth, axle inserts in clamp block rear end or the thin-wall part hole coaxial with claw beam near binding clip one end, clamp block or thin-wall part are fixed with elastic telescopic pin, plunger is absorbed in depression or between cog, the cylindrical of this axle also has annular recess, groove is inserted in the end being fixed on pin on hole wall or screw, and drive link is connected with moving member by the middleware of revolving sleeve form of tubes.

5. medical endoscope operating forceps according to claim 1, it is characterized in that: binding clip fixed part and claw beam, binding clip movable part and pull bar are all be threaded or the quick detachable connected mode such as soldering splicing, claw beam and clamp block removably connect, claw beam is fixed on binding clip angle adjustment knob or claw beam one end is welded with a transition spool piece, on the part that transition spool piece is fixed in clamp block by holding screw, pin or screw thread, nut or the front end of thin-wall part is fixed together with it.

6. medical endoscope operating forceps according to claim 3, it is characterized in that: the welding edges of the pull bar of ring set on claw beam is fixed with an eccentric bushing, eccentric bushing there is the arcuation groove concentric with pull bar, there is the brace of a slice circular arc section, brace there is the projection with arcuation slot fit, protruding in arcuation groove during work, the movable part brace brace of circular arc section and binding clip movable part stretching out binding clip fixed part welds together, and claw beam has external screw thread be connected with the female thread on binding clip fixed part.

7. the medical endoscope operating forceps according to Claims 2 or 3,4,5,6, it is characterized in that: projection operating parts having channel-shaped, two walls of groove there is chute, pivot pin on moving member is in chute, the projection of channel-shaped is inserted in the groove of channel-shaped thin-wall part, and on operating parts, the bottom land of the projection of channel-shaped and the position of operating parts axle are in the same side of claw beam axis.

8. according to Claims 2 or 3, 4, 5, medical endoscope operating forceps described in 6, it is characterized in that: handle is fixed in clamp block, position is in the below of claw beam axis, the both sides of the axle office claw beam axis of handle and operating parts, the axle of operating parts is on the jut upwards of the middle part of thin-wall part, the top of operating parts is flute profile, bottom land and the both sides with the axle office claw beam axis of operating parts, two walls of groove there is chute, operating parts there is finger ring or refer to hook, handle is the form that thin-walled is split, handle is fixed in clamp block, handle radial direction surrounds thin-wall part, the inwall of handle upper portion coordinates with the outer wall of thin-wall part, the operating parts bracelet of major part on handle inner only operating parts or hands hook and stretch out outside handle, ratchet is arranged at the bottom of operating parts, ratchet is in handle, ratchet swings ratchet.

9. the medical endoscope operating forceps according to claim 2 or 4,5, is characterized in that: claw beam is an independent hollow pipe, and pull bar is in hollow pipe, and claw beam or binding clip angle adjustment knob are arranged on thin-wall part near binding clip one end.

10. medical endoscope operating forceps according to claim 7, it is characterized in that: two walls of channel-shaped projection have ratchet, ratchet be L shape crank arm eave tile swing ratchet, the axle of ratchet is fixed on the guard shield of projection outside channel-shaped thin-wall part bottom land, the wall of guard shield there is guide rail, one is had to handle slide block in guide rail, there is projection the both sides of the upper end of slide block, projection can oppress two L shapes crank arm eave tile swing ratchet ratchet is lifted, slide block is fixed with spring leaf, spring leaf there are positioning convex or depression, coordinate with the positioning convex on the wall of guard shield or cave in, the position of operating parts axle is at the afterbody of clamp block.