CN102860856B - Stone breaking device - Google Patents
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- CN102860856B CN102860856B CN201210324058.2A CN201210324058A CN102860856B CN 102860856 B CN102860856 B CN 102860856B CN 201210324058 A CN201210324058 A CN 201210324058A CN 102860856 B CN102860856 B CN 102860856B
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Abstract
The invention discloses a stone breaking device which comprises a ring sleeve, a sheath canal, a fixed seat, an adjusting sliding part and a handle operating part; the ring sleeve is formed by the means that two steel wire ropes extend out of the far end of the sheath canal, the steel wire ropes are fixedly connected with each other by an end cap, and the steel wire ropes penetrate through the sheath canal and are connected with the adjusting sliding part; the sheath canal is fixed on the fixed seat, the fixed seat is in sliding connecting with the handle operating part and can forwards and backwards move under the driving of the handle operating part, and the adjusting sliding part is arranged on the handle operating part; the adjusting sliding part comprises a right adjusting sliding part and a left adjusting sliding part; the right adjusting sliding part comprises a right track pipe fixed on the handle operating part, a right sliding pipe is arranged on the right track pipe, the right sliding pipe and the right track pipe are in sliding connection with each other and locked and fixed by a locking component, a right solid shaft is fixed on the right sliding pipe, and the right solid shaft is fixedly connected with one steel wire rope in the sheath canal; and the left adjusting sliding part is arranged at the same structure. According to the technical scheme, the shape of the ring sleeve can be adjusted to be applicable to the shape of the stone, so that the stone can be exactly, quickly and repeatedly broken.
Description
Technical field
The invention belongs to a kind of calculus calculi breaking device, particularly relate to a kind of calculi breaking device for calculus being shredded by adjusting snare size under scope.
Background technology
At present, in digestive tract, calculus is more common in the calculus of accidentally swallowing and not allowing digestible food to form, calculus is commonly encountered diseases, frequently-occurring disease clinically, common have empty stomach to eat dried persimmon, Fructus Crataegi etc., another kind of is the calculus that foreign body forms of swallowing, use following method and apparatus to carry out rubble to calculus, Drug therapy, surgical operation, rubble apparatus and endoscope are used in combination, and by various means, the calculus in digestive tract are carried out to rubble.
In prior art, use following method and calculi breaking device, so that calculus is carried out to rubble:
1, Drug therapy is selected Chinese and western drugs, to change patient's calculus environment around, make calculus soft, dissolve, diminish, improve digestive tract function, promote its Natural excrement.Traditional Chinese medical herbal treatment calculus is one of traditional medical treatment method of China, and the traditional Chinese medical science thinks that gastrolith pathogenesis belongs to accumulation of food in the stomach and intes tine due to indigestion, pents up in feeding, therefore the method for, hard masses softening and resolving stagnant with removing food stagnancyization, stomach function regulating key spleen, promoting flow of QI and blood.But internal medicine treatment curative effect is slow, effect is not thorough.
2, surgical operation is got stone, its shortcoming be need anesthesia, open abdomen, wound face is large, dangerous in operation, postoperative easy infection, the course of disease is long, expense is high, treatment convalescent period is long, patient misery.
3, rubble apparatus and endoscope are used in combination, and get stone, rubble.
Publication number is that the patent documentation of US6673080B2 discloses a kind of rubble apparatus, on sheath pipe top, install one and be limited shape and big or small snare, its snare is to have two steel wire rope one end to be fixed by end cap, other end connected tube and pull rope are fixed, two steel wire ropes can not be shunk separately or be stretched out by governor motion, can only make the calculus that meets its shape size be shredded, and on snare, do not have scale mark to be unfavorable for the initial stage judgement of doctor to calculus, the safety simple in structure of lever operated portion declines.
Publication number is that the patent documentation of US2008/0009884A1 discloses a kind of rubble apparatus, thereby its medium stone position is fixed and is formed a regular three-dimensional snare by many steel wire rope two ends, wherein between steel wire rope and steel wire rope, interval is very little, be unfavorable for that calculus is embedded, for inapplicable compared with maximum size, versatility and practicality are not strong, because it is comprised of multistrand rope, when lever operated portion exerts oneself to it, the stressed relative dispersion of calculus, be not suitable for the larger calculus of hardness and its rubble part are fixed on to lever operated portion by pull rope, interchangeability can not be changed poor.In addition, steel wire rope two ends are fixed, and can not be shunk separately or be stretched out by governor motion, can only make the calculus that meets its shape size be shredded, and on snare, do not have scale mark to be unfavorable for the initial stage judgement of doctor to calculus, the safety simple in structure of lever operated portion declines.
China Patent No. is ZL99256593.6, ZL200520008785.3, disclosed rubble apparatus in the patent documentation of ZL96235756.1, the surface structure that only has a cardinal principle more, rubble snare and hand rotation portion, in the calculi breaking device of clinical use, conventionally in order reliably calculus to be gone to sticks and staves and to be convenient to take out or get rid of external, in lever operated part, set up one to pull structure, when starting to tighten snare, need one of doctor to hold shelf, another hands turning handle, at this moment how in bond doctor's two handss are, when needs are adjusted scope, need other people auxiliary, the concordance that is unfavorable for like this action, strengthened medical-risk, and lever operated part-structure is simple and easy, security performance declines greatly, easily cause this device to scrap, cause the operating time of waste or delay doctor preciousness.In addition, rubble snare also can not be adjusted, and does not also have scale mark.
When actual clinical is used, because calculus shape and size that human body difference exists are different, add the normal creepage of gastrointestinal functions of body cavities, while using snare to extract calculus, easily, with calculus slippage to be shredded, now need constantly adjust and again open snare, again carry out rubble; In addition, from lithotrity effect, for microlith rubble, use smaller snare proper; For calculus rubble larger and in irregular shape, need larger snare or again adjust the cutting that snare shape remains calculus, so just can reach thorough rubble; Therefore,, if snare is selected unsuitable rubble, do not have the object of rubble.During clinical use, first operation doctor, under the endoscope visual field auxiliary, can judge that whether snare is extracted calculus, then just can shrink snare.But, the calculi breaking device in above-mentioned patent documentation, thereby or because snare is too little or too greatly the general size of calculus is difficult to judgement is difficult to extract, or because after chopping for the first time, cut residue calculus while reusing snare originally improper.Like this when finding clinically to extract object calculus when improper, rubble apparatus can only be exited or is not stopped to change until suitable the time of so just having caused the processing of waste or delay doctor preciousness.And, the calculi breaking device in above-mentioned patent documentation, its snare part does not easily cause doctor's preliminary error in judgement more even to be slipped up with scale mark; Some is subject to the restriction of handle arrangement, supporting construction, in some maximum size situation of chopping, inevitably can cause handle junction fracture, easily causes pincers road and body cavities damage; These rubble apparatuses are all that disposable more change steel rope reuses, and cause patient cost to rise, and increase patient's burden.
Summary of the invention
In order to solve above-mentioned technical problem, the object of this invention is to provide a kind of calculi breaking device, thereby can regulate, snare shape is carried out accurately to be applicable to calculus shape, rubble fast and repeatedly.
To achieve the above object, the present invention has adopted following technical scheme:
A calculi breaking device, comprises snare, sheath pipe, holder, adjusting sliding part and lever operated portion; The far-end that described snare stretches out sheath pipe by two steel wire ropes forms, and one end of two steel wire ropes is fixedly connected with by end cap, and the other end of two steel wire ropes is through to near-end and is connected with regulating sliding part from the far-end of sheath pipe; The near-end of described sheath pipe is fixed on holder, and holder and lever operated portion are slidably connected and can under the driving of lever operated portion, move forward and backward, and regulates sliding part to be arranged in lever operated portion; Described adjusting sliding part comprises right adjusting sliding part and left adjusting sliding part: right adjusting sliding part comprises the right orbitron being fixed in lever operated portion, right sliding tube is installed on right orbitron, right sliding tube and right orbitron are slidably connected and are locked by locking member, on right sliding tube, fix right solid shafting, right solid shafting is fixedly connected with the steel cable in sheath pipe; Left adjusting sliding part comprises the left orbitron being fixed in lever operated portion, left sliding tube is installed on left orbitron, left sliding tube and left orbitron are slidably connected and are locked by locking member, and left sliding tube is fixed left solid shafting, and left solid shafting is fixedly connected with the another steel cable in sheath pipe.
In the present invention: snare consists of two steel wire ropes, thereby steel wire rope stretches out or retraction opening and closing with respect to sheath pipe, and sheath pipe can be taken in steel wire rope wherein and protect, and steel wire rope can be exposed to its outer snare that forms while needing; When sheath pipe front end and end cap bear rubble from the active force of lever operated portion; Sheath pipe near-end is fixed on holder, and it is relatively static as support point when rubble; Steel wire rope is connected to one by solid shafting, sliding tube, orbitron and lever operated portion, and when holder and lever operated portion produce while relatively moving, thereby steel wire rope and sheath pipe relatively move and drive snare to do contractile motion, chopping calculus; In order to adapt to different calculus shapes and calculus size, by adjusting the fixed position of sliding tube on orbitron, can adjust length that two steel wire ropes stretch out respectively sheath pipe to adjust snare shape, by adjustment holder, with respect to the distance of lever operated portion, can adjust two steel wire ropes and jointly stretch out the length of sheath pipe with the size of adjustment snare, calculus be can better entangle like this, speed of operation and lithotrity effect guaranteed; And snare can repeat to discharge and contractile motion, for can repeatedly adjusting compared with maximum size, repeatedly cutting, until calculus is shredded completely.
As preferably, described right solid shafting is fixedly connected with the steel cable in sheath pipe by right connection tube; Described left solid shafting is fixedly connected with the another steel cable in sheath pipe by left connection tube.By connection tube, connect soft steel wire rope and the solid shafting of rigidity, simple in structure, connect reliable, thereby by mobile solid shafting, can drive steel wire rope at sheath in-pipe, the shape of snare and size ceaselessly to be changed so that can better entangle calculus like this.
Sliding tube is along orbitron guiding movement, its structure can be using orbitron as guide rail, the form that sliding tube is external, but consider steel wire rope, solid shafting easy to connect reliable, as preferably, employing sliding tube is built-in, orbitron is as the form of guide pipe, , described right sliding tube moves axially and is locked by right set bolt in the pore of right orbitron, right solid shafting inserts in the centre bore of right sliding tube and is fixedly connected with by right fastening bolt, described right orbitron is provided with can be for the rail groove of right set bolt and right fastening bolt guiding movement, described left sliding tube moves axially and is locked by left set bolt in the pore of left orbitron, left solid shafting inserts in the centre bore of left sliding tube and is fixedly connected with by left fastening bolt, and described left orbitron is provided with can be for the rail groove of left set bolt and left fastening bolt guiding movement.Like this, orbitron roughly becomes tubular, and sidewall is provided with the groove of two rules, one end of groove has two circular holes to run through for set bolt and fastening bolt, in the middle of orbitron, be hollow body, and between sliding tube, retain certain interval, can make sliding tube axial direction smooth sliding; Sliding tube is cylindric, there are two screwed holes on its surface, one of them makes its solid shafting fixed thereon for fastening bolt is installed, another one makes it in rubble, be fixed on motion together on orbitron for set bolt is installed, middle for through hole runs through, front end has a stepped hole for fixing flexible pipe; Adopt set bolt, fastening bolt to connect, simple in structure, install and adjust facilitates, attended operation is reliable, is also convenient for changing steel wire rope simultaneously.
As preferably, on two steel wire ropes of described snare, be all formed with scale mark.Scale mark length is even, and color is visual under scope, and doctor's can accurately judge calculus size like this.
As preferably, described sheath pipe consists of the sheathed bourdon tube in lubrication management outside, and lubrication management is the continuous tubular structure of flexible inner surface, and bourdon tube is that flat wire compact winding forms, and the far-end of bourdon tube is fixed a front end sleeve pipe that can tighten up snare.
As preferably, described holder comprises reinforcing ring, fixed block and handle switch, fixed block is provided with circular hole and connects vertically the groove of circular hole, reinforcing ring is installed in circular hole, one end of reinforcing ring and the bottom stage of circular hole offset, reinforcing ring is fixedly connected with the near-end of described sheath pipe, thereby handle switch is threaded and can be fixedly clamped or loosens reinforcing ring with the two side arms of groove on fixed block.Described holder utilizes reinforcing ring to be connected with bourdon tube, the counterbore bottom at fixed block is kept out in one end of reinforcing ring, and by handle switch, reinforcing ring is fastened on fixed block, fixed block and lever operated portion link together, when carrying out rubble, holder bears the extruding force producing from rubble as a support point, until last calculus is shredded income epitheca pipe.Use reinforcing ring to guarantee bearing strength and avoid the distortion of bourdon tube near-end.
As preferably, described lever operated portion comprises front hand grip, back handle, main shaft, spring A, front position-arresting piece, spring B, sliding shoe, spring C, rear position-arresting piece, spring D, front-rear switch and locating piece, described holder is fixed on front-end of spindle, and described right orbitron and left orbitron are fixed on back handle, and front hand grip is hinged on back handle and by reciprocal spring and resets, main shaft is located on back handle, empty set spring A successively from front to back on the main shaft in back handle, front position-arresting piece, spring B, sliding shoe, spring C, rear position-arresting piece and spring D, front position-arresting piece, thereby rear position-arresting piece all coordinates and can tilt forward and back with gap of main reinforcement, before spring A front end and back handle, inwall offsets, spring A rear end and front position-arresting piece offset, thereby the lower front end of front position-arresting piece can rotate inclination with the front hand grip front position-arresting piece that offsets under the drive of front hand grip, spring B front end and front position-arresting piece offset, spring B rear end and sliding shoe offset, sliding shoe is stirred and is moved forward and backward and locate by being arranged on front-rear switch on back handle, spring C front end and sliding shoe offset, spring C rear end and rear position-arresting piece offset, thereby rear position-arresting piece lower end coordinates spacing rear position-arresting piece only can rotate inclination with the locating piece in being arranged on back handle, spring D front end and rear position-arresting piece offset, after spring D rear end and back handle, inwall offsets.
Like this, because the lower end of front position-arresting piece is subject to front hand grip spacing, the lower end of rear position-arresting piece is subject to back handle spacing (passing through locating piece), so, when moving forward and backward sliding shoe, front position-arresting piece and rear position-arresting piece are subject to both sides spring action and produce inclination, when they tilt to when fitting with main shaft and being endowed further slope trend, main shaft can only move along the direction that discharges their slope trends, forms like this detent mechanism of unidirectional cutoff; When front hand grip is rotated, drive front position-arresting piece to rotate, current stop block tilts to while fitting with main shaft, further holding front hand grip will drive main shaft to move together again, in like manner when front hand grip resets, if front position-arresting piece has tilted to and main shaft laminating, spring force further effect can drive main shaft to move together.Detailed process is as follows: when sliding shoe mediates equilbrium position, front position-arresting piece and rear position-arresting piece vertically do not tilt, and under this state, although hold front hand grip, can slightly stir main shaft in front and back, but because there is no unidirectional cutoff mechanism, so main shaft cannot move forward or backward, sliding shoe is backward during running fix, rear position-arresting piece is because lower end is spacing and both sides spring action force unbalance, so produce, recede and fit with main shaft, under this state, main shaft can only move forward and cannot move backward with respect to back handle, while holding front hand grip, front position-arresting piece produces to be tilted forward to main shaft with both sides spring action force unbalance because upper rear end is spacing and fits, further rotate front hand grip, front position-arresting piece is endowed the trend that further turns forward and move, thereby drive main shaft to move forward together, be that main shaft moves forward with respect to back handle, front hand grip is held and is unclamped afterwards on earth while resetting, the slope trend of front position-arresting piece is released, front position-arresting piece is vertically and simultaneously with respect to back handle return backward, so repeatedly hold front hand grip and just can constantly move forward main shaft, when sliding shoe moves forward location, rear position-arresting piece is (also can turn forward) vertically, front position-arresting piece is because lower front end is spacing and both sides spring action force unbalance, so produce, turn forward and fit with main shaft, under this state, main shaft can only move backward and cannot move forward with respect to front position-arresting piece, while being in one's hands so moving front hand grip, front hand grip drives front position-arresting piece to move backward with respect to back handle, front position-arresting piece drives main shaft with respect to back handle, to move backward together, front hand grip is held and is unclamped afterwards on earth while resetting, front position-arresting piece slope trend is released, front position-arresting piece is with respect to main shaft and back handle reach return, so repeatedly hold front hand grip just can be constantly mobile main shaft backward.
As preferably, described front-rear switch is fixedly connected with rotating the fixed bar being arranged on back handle, fixedly mounts swivel becket on fixed bar, and swivel becket is provided with positioning runner and matches with the alignment pin being located on sliding shoe.Simple in structure like this, easy for installation, use reliable.
As preferably, described main shaft is the flat pole with upper lower plane, and described sliding shoe has the flat circular hole matching with main shaft cross section, and described front position-arresting piece and rear position-arresting piece all have circular hole.Be convenient to like this coordinate and move.
As preferably, described locating piece is arranged in back handle by steady pin, and locating piece is provided with the spacing dovetail groove that matches with one end of rear position-arresting piece, and the stringcourse angle of inclination, left and right of dovetail groove is 15～25 degree.Simple in structure, cooperation facilitates, uses reliable.
The present invention is owing to having adopted above technical scheme, the head end of steel wire rope is linked together by end cap, try hard to recommend outside and when moving lower steel wire rope stretches out sheath pipe, form a rubble snare, by adjusting respectively the fixed position of two steel wire ropes, can adjust easily shape and the size of snare, snare adjustment entangles firm after calculus, when external force pulls steel wire rope to do the motion of income sheath pipe under the supporting role of sheath pipe front end, thereby force steel wire rope to draw in to close, calculus is shredded, by repeatedly just realizing the opening and closing of snare to steel wire rope applied thrust and pulling force.The present invention has that Stability Analysis of Structures is reliable, the scope of application extensively, tentatively judges calculus size, can repeatedly adjust rubble, the easy feature such as low, the good looking appearance of replacement cost.
Accompanying drawing explanation
Fig. 1 represents the structural representation (overlooking) of calculi breaking device;
Fig. 2 represents the structural representation (side-looking) of calculi breaking device;
Fig. 3 represents that snare stretches into the schematic diagram of epitheca pipe;
Fig. 4 represents that snare stretches out the schematic diagram of epitheca pipe;
Fig. 5 represents the structural representation that embodiment 1 is trapped;
Fig. 6 represents the structural representation of end cap in embodiment 1;
Fig. 7 represents the structural representation of embodiment 1 mesotheca pipe;
Fig. 8 represents the structural representation of front end sleeve pipe in embodiment 1;
Fig. 9 represents the structural representation of lubrication management in embodiment 1;
Figure 10 represents the structural representation of holder in embodiment 1;
Figure 11 represents the structural representation of fixed block in embodiment 1;
Figure 12 represents the structural representation of switch knob in embodiment 1;
Figure 13 represents the structural representation of reinforcing ring in embodiment 1;
Figure 14 represents the structural representation of left adjusting sliding part in embodiment 1;
Figure 15 represents the structural representation of right adjusting sliding part in embodiment 1;
Figure 16 represents the structural representation of left sliding tube in embodiment 1;
Figure 17 represents the structural representation of right sliding tube in embodiment 1;
Figure 18 represents the structural representation of solid shafting in embodiment 1;
Figure 19 represents the structural representation of left orbitron in embodiment 1;
Figure 20 represents the structural representation of right orbitron in embodiment 1;
Figure 21 represents the structural representation of lever operated portion in embodiment 1;
Figure 22 represents the inner body mechanical connection schematic diagram of lever operated portion in embodiment 1;
Figure 23 represents the mobile schematic diagram backward of lever operated portion in embodiment 1;
Figure 24 represents the mobile schematic diagram forward of lever operated portion in embodiment 1;
Figure 25 represents operation chart of the present invention (snare retraction epitheca pipe);
Figure 26 represents operation chart of the present invention (snare stretches out epitheca pipe);
Figure 27 represents operation chart of the present invention (regulating steel cable to change snare shape);
Figure 28 represents operation chart of the present invention (regulating two steel wire ropes to change snare shape);
Figure 29 represents operation chart of the present invention (snare is tightened up);
Figure 30 represents operation chart of the present invention (continuing cutting after adjusting snare shape);
Figure 31 represents the second embodiment schematic diagram of end cap of the present invention;
Figure 32 represents the third embodiment schematic diagram of end cap of the present invention;
Figure 33 represents the second embodiment schematic diagram of front end sleeve pipe of the present invention;
Figure 34 represents the second embodiment schematic diagram of holder of the present invention;
Figure 35 represents the second embodiment schematic diagram that solid shafting of the present invention is connected with steel wire rope;
Figure 36 represents the second embodiment schematic diagram of sliding tube of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1:
A kind of calculi breaking device as shown in Figure 1 and Figure 2, comprises snare 100, sheath pipe 200, holder 300, regulates sliding part and lever operated portion 600; The far-end that described snare 100 stretches out sheath pipe 200 by two steel wire ropes 130,140 forms, one end of two steel wire ropes 130,140 is fixedly connected with by end cap 110, and the other end of two steel wire ropes 130,140 is through to near-end and is connected with regulating sliding part from the far-end of sheath pipe 200; The near-end of described sheath pipe 200 is fixed on holder 300, and holder 300 is slidably connected with lever operated portion 600 and can under the driving of lever operated portion 600, moves forward and backward, and regulates sliding part to be arranged in lever operated portion 600; Described adjusting sliding part comprises right adjusting sliding part 400 and left adjusting sliding part 500: right adjusting sliding part 400 comprises the right orbitron 470 being fixed in lever operated portion 600, right sliding tube 440 is installed on right orbitron 470, right sliding tube 440 is slidably connected and is locked by locking member with right orbitron 470, on right sliding tube 440, fix right solid shafting 420, right solid shafting 420 is fixedly connected with the steel cable 130 in sheath pipe 200; Left adjusting sliding part 500 comprises the left orbitron 570 being fixed in lever operated portion 600, left sliding tube 540 is installed on left orbitron 570, left sliding tube 540 is slidably connected and is locked by locking member with left orbitron 570, the fixing left solid shafting 520 of left sliding tube 540, left solid shafting 520 is fixedly connected with the another steel cable 140 in sheath pipe 200.
Described right solid shafting 420 is fixedly connected with the steel cable 130 in sheath pipe 200 by right connection tube 410; Described left solid shafting 520 is fixedly connected with the another steel cable 140 in sheath pipe 200 by left connection tube 510.Described right sliding tube 440 moves axially and is locked by right set bolt 450 in the pore of right orbitron 470, right solid shafting 420 inserts in the centre bore of right sliding tube 440 and is fixedly connected with by right fastening bolt 460, and described right orbitron 470 is provided with can be for the rail groove of right set bolt 450 and right fastening bolt 460 guiding movements; Described left sliding tube 540 moves axially and is locked by left set bolt 550 in the pore of left orbitron 570, left solid shafting 520 inserts in the centre bore of left sliding tube 540 and is fixedly connected with by left fastening bolt 560, and described left orbitron 570 is provided with can be for the rail groove of left set bolt 550 and left fastening bolt 560 guiding movements.On two steel wire ropes 130,140 of described snare 100, be all formed with scale mark 120.Described sheath pipe 200 consists of the lubrication management 230 sheathed bourdon tubes 220 in outside, lubrication management 230 is the continuous tubular structure of flexible inner surface, bourdon tube 220 forms for flat wire compact winding, and the far-end of bourdon tube 220 is fixed a front end sleeve pipe 210 that can tighten up snare 100.Described holder 300 comprises reinforcing ring 310, fixed block 320 and handle switch 330, fixed block 320 is provided with circular hole 323 and connects vertically the groove 321 of circular hole 323, the interior installation reinforcing ring 310 of circular hole 323, the bottom stage of one end of reinforcing ring 310 and circular hole 323 offsets, reinforcing ring 310 is fixedly connected with the near-end of described sheath pipe 200, thereby handle switch 330 is threaded and can be fixedly clamped or loosens reinforcing ring 310 with the two side arms of groove 321 on fixed block 320.
Described lever operated portion 600 comprises front hand grip 610, back handle 620, main shaft 640, spring A601, front position-arresting piece 608, spring B 602, sliding shoe 609, spring C604, rear position-arresting piece 605, spring D606, front-rear switch 650 and locating piece 607, described holder 300 is fixed on main shaft 640 front ends, described right orbitron 470 and left orbitron 570 are fixed on back handle 620, front hand grip 610 is hinged on back handle 620 and by reciprocal spring 613 elastic resets, main shaft 640 is located on back handle 620, empty set spring A601 successively from front to back on main shaft 640 in back handle 620, front position-arresting piece 608, spring B 602, sliding shoe 609, spring C604, rear position-arresting piece 605 and spring D606, front position-arresting piece 608, thereby rear position-arresting piece 605 all can tilt forward and back with main shaft 640 matched in clearance, spring A601 front end and the front inwall of back handle 620 offset, spring A601 rear end and front position-arresting piece 608 offset, thereby the upper rear end of front position-arresting piece 608 and lower front end can rotate inclination with the front hand grip 610 front position-arresting piece 608 that offsets under the drive of front hand grip 610, spring B 602 front ends and front position-arresting piece 608 offset, spring B 602 rear ends and sliding shoe 609 offset, sliding shoe 609 is stirred and is moved forward and backward and locate by being arranged on front-rear switch 650 on back handle 620, spring C604 front end and sliding shoe 609 offset, spring C604 rear end and rear position-arresting piece 605 offset, thereby rear position-arresting piece 605 lower ends coordinate spacing rear position-arresting piece 605 only can rotate inclination with the locating piece 607 in being arranged on back handle 620, spring D606 front end and rear position-arresting piece 605 offset, spring D606 rear end and the rear inwall of back handle 620 offset.Described front-rear switch 650 is fixedly connected with rotating the fixed bar 611 being arranged on back handle 620, fixedly mounts swivel becket 603 on fixed bar 611, and swivel becket 603 is provided with positioning runner and matches with the alignment pin being located on sliding shoe 609.Described main shaft 640 is for having the flat pole of upper lower plane, and described sliding shoe 609 has the flat circular hole matching with main shaft 640 cross sections, and described front position-arresting piece 608 and rear position-arresting piece 605 all have circular hole.Described locating piece 607 is arranged in back handle 620 by steady pin 612, and locating piece 607 is provided with the spacing dovetail groove that matches with one end of rear position-arresting piece 605, and the stringcourse angle of inclination, left and right of dovetail groove is 15～25 degree.
Below with reference to Fig. 3～Fig. 4, describe, steel wire rope 130,140 can open and become snare 100 after stretching out sheath pipe 200, can be by retraction sheath pipe 200 freely after snare 100 closures, described snare 100 has one end of two steel wire ropes 130,140 to be welded together by end cap 110, by stretching out sheath pipe 200, form a rule or irregularly shaped, described end cap 110 one end have the smooth fillet of pouring into, are convenient in tract, reduce mill sassafras, and the other end has counterbore to be convenient to fixedly steel wire rope 130,140, described steel wire rope 130, 140 forward part should have brightly painted scale mark 120, two steel wire ropes 130, 140 afterbodys are respectively by connection tube 410, 510 with solid shafting 420, 520 connect, be contracted in the hole of the lubrication management 230 that roughly becomes tubular structure, when snare 100 is tightened up, steel wire rope 130, 140 are straightened gradually, the calculus power that is squeezed passes to front end 210 power, described front end sleeve pipe 210 is connected in bourdon tube 220, while tightening up as the strong point, under the front hand grip 610 of lever operated portion 600 is held, drive steel wire rope 130, 140 are shredded calculus by retraction sheath pipe 220 smoothly.Again adjust snare 100 shapes and size, can carry out next step rubble.
Below with reference to Fig. 5～Fig. 8, the structure of snare 100 is described, snare described in the present embodiment 100 is comprised of steel wire rope 130,140, end cap 110, scale mark 120, and steel wire rope 130,140 is for shredding calculus; End cap 110 makes it can form snare 100 for extracting chopping calculus for fixing one end of two steel wire ropes 130,140, described scale mark 120 is printed on two steel wire ropes 130,140, for judging the size of calculus, to can regulate steel wire rope 130,140 length to form a suitable snare 100, extract calculus; Steel wire rope 130,140 is to have multiply monomer steel wire to be mutually entwined substantially, and its material is metal rustless steel and meets medically, and it forms snare 100 while stretching out sheath pipe 200; Gapped between end cap 110 Lower Halves 113 and front end 210 endoporus 215, snare 100 is when cutting calculus, end cap 110 is subject to weld 150, the front end sleeve pipe 210 of steel wire rope 130,140 extruding force that rubble produces, steel wire rope 130,140 constantly embeds calculus, when the Lower Half 113 of end cap 110 stretches in front end sleeve pipe 210, when calculus is cut open completely, the step place 112 of end cap 110 props up the end face 214 of front end sleeve pipe 210; Scale mark 120 is by medical ink printing on two of left and right steel wire rope 130,140, and length is consistent, bright-coloredly sees clearly Microendoscopic is enough, and doctor can be used for tentatively judging calculus size; The parts of described snare 100 are made by rustless steel and the ink that can meet corresponding biocompatibility.
Below with reference to Fig. 7～Fig. 9, the structure of sheath pipe 200 is described,
Sheath pipe 200 is comprised of front end sleeve pipe 210, bourdon tube 220, lubrication management 230, front end sleeve pipe 210 is welded in the top 240 of bourdon tube 220, bourdon tube 220 rear ends are connected with holder 300 by reinforcing ring 310, described bourdon tube 220 has flat tinsel to form through compact winding, can bear certain pulling force and pressure, it can bear pressure and can bear pulling force much larger than it; Described front end sleeve pipe 210 is for supporting tightening force and pouring pincers road into.Lubrication management 230 is the continuous tubular structure of flexible inner surface, is worn and increases steel wire rope 130,140 stretch receipts lubricity for the protection of steel wire rope 130,140 and scale mark 120, and in the present embodiment, lubrication management 230 is made by single tract PTFE plastic tube.
Front end sleeve pipe 210 roughly becomes tubular, which is provided with inner via hole 215, chamfering transition part 212, " U " groove 213, end face 214, connect rear end face 211, bourdon tube 220 is connected by laser weld with front end 210, being inserted in bourdon tube endoporus 313 of lubrication management 230, and rely on flared end 250 to prop up spring tail end, described flared end 250 need to should be greater than bourdon tube 220 endoporus internal diameters by its external diameter of thermoplastic shaping, and lubrication management 230 endoporus inner spaces allow described two steel wire ropes 130,140 to move freely simultaneously.
Below with reference to Figure 10 to Figure 13, the structure of holder 300 is described, this mechanism mainly consists of groove 321, screwed hole 322, round hole part 323, bellmouth orifice 326, counterbore 325, pin-and-hole 324, handle switch 330 and the reinforcing ring 310 of fixed block 320.The effect of the strong point is played in whole rubble apparatus by holder 300 connecting utricle pipes 200 and lever operated portion 600, wherein reinforcing ring 310 is fixed on bourdon tube 220 on fixed block 320, handle switch 330 can repeat to open replacing reinforcing ring 310, fixed block 320 is connected with lever operated portion 600 by main shaft 640, mobile sliding tube 440, 540 push away relatively, roping is moving, make steel wire rope 130, 140 relative sheath pipes 200 push away, roping is moving, 320 main bodys of fixed block described in the present embodiment are metal processing piece, mid portion should have the through hole running through, reinforcing ring 310 is ducted body tube-like piece, the size that described round hole part 323 passes screwed hole 322 control flume 321 gaps for being socketed reinforcing ring 310 by handle switch 330, can be relaxed or fastening, when fastened, bourdon tube 220 is fixed on fixed block 320, and steel wire rope 130,140 can be through bellmouth orifice 326 its effects that have easy importing and reduce friction, main shaft 640 one end stretch into that counterbore 325 is interior to interfix main shaft 640 and fixed block 320 through pin-and-hole 324 with steady pin, they are limited in axial motion, fixed block 320 transfixion relative to main shaft 640 when lever operated portion 600 moves backward, steel wire rope 130,140 moves relative to holder 300 backward, completes rubble action.
Below with reference to Figure 14 to Figure 20, to regulating sliding part 400, 500 structure describes, and this mechanism mainly plays a part to regulate snare 100 size and shapes, and it is by two connection tubes 410, 510, two solid shaftings 420, 520 and on reducing portion 421, depressed part 422, stress surface 423, two flexible pipes 430, 530, two fastening bolts 460, 560, two set bolts 450, 550, two sliding tubes 440, 540 and on counterbore 441, 541, centre bore 442, 542, binding thread 443, 543, retaining thread 444, 544, two orbitrons 470, 570 and on reducing portion 471, 571, rail groove 472, 572, fastening bolt via hole 473, 573, set bolt via hole 474, 574 form, it is fixed on back handle 620 symmetrical, connection tube is used for connecting solid shafting and steel wire rope, the fastened bolt-locking of solid shafting is on sliding tube, when needs are adjusted snare length and shape, sliding tube axially moves in orbitron, adjusts to suitable position and fixes by set bolt, by lever operated portion, can tighten up snare rubble, in the present embodiment, two connection tube 410,510 endoporus link together two one end of steel wire rope 130,140 and the reducing portion of two solid shaftings respectively, fastening bolt is through bolt through-hole when mounted, solid shafting relies on binding thread that the depressed part of solid shafting and sliding tube are connected as a single entity through centre bore, stress surface can support the pulling force of solid shafting to sliding tube, thereby keeps relatively static, orbitron utilizes its reducing portion to stretch in the installing hole of back handle 620 and is fixed in lever operated portion 600, set bolt relies on retaining thread sliding tube to be fixed on to certain position of orbitron through set bolt via hole, when needs are adjusted snare 100, unclamp set bolt, sliding tube can be along moving axially in orbitron, rail groove is used for avoiding bolt, steel wire rope is along with moving axially, can control snare 100 shrinks and stretches out, regulate sliding part should have two covers, they are symmetrical is convenient to regulate two steel wire ropes 130,140.
Below with reference to Figure 21 and Figure 24, structure to handle operating portion describes, this mechanism mainly has and controls that snare 100 opens, the closed and effect adjusted, mainly by back handle 620, front hand grip 610, main shaft 640, spring A601, front position-arresting piece 608, spring B 602, sliding shoe 609, spring C604, rear position-arresting piece 605, spring D606, front-rear switch 650, fixed bar 611, swivel becket 603, locating piece 607, steady pin 612, back and forth spring 613 forms; Lever operated portion 600, as portion of the handle, integrate to regulate sliding tube and holder, thereby controls the opening of snare, closure and rubble by pushing away, draw solid shafting that power is passed to steel wire rope; Described lever operated portion has front hand grip and the back handle that applicable human body palm holds, in it, be equipped with the mechanism of self-locking device and the power of transmission, hold front hand grip slides it before and after axis direction, in order to make, steel wire rope and holder push away, roping is when moving, it is relatively motionless that holder keeps, and is provided with pin-and-hole for fixing in the front portion of main shaft.In the present embodiment, back handle 620 as the main body top of whole lever operated portion 600 have can secured adjusted sliding part 400,500 circular hole, its inside is mainly cavity and pin-and-hole, for fixing and protection inner body; Front hand grip 610 profiles meet simulation of human body to be learned, be convenient to hold and stressed its inside, top have " L " type groove be convenient to front position-arresting piece 608 from vertical state backward with turn forward; Main shaft 640 becomes flat pole substantially, and principal character is that two parallel surfaces are convenient to front position-arresting piece 608, rear position-arresting piece 605 blocks and runs through whole lever operated portion 600, can keep axis direction motion when seesawing; Run through main shaft 640 be provided with successively from front to back wire diameter for " d1 " spring A601, front position-arresting piece 608, wire diameter for " d2 " spring B 602, sliding shoe 609 circular hole bottom characteristic circle of position posts in the middle of it, wire diameter for " d3 " spring C604, rear position-arresting piece 605 have a circular hole, wire diameter in the middle of it, be " d4 " spring 606; Described front position-arresting piece 608 is for there being a circular hole to be convenient to when stressed block main shaft 640 in the middle of sheet metal part, it is fixed in front hand grip 610 " L " type groove relatively; Described rear position-arresting piece 605 is that its effect of " 7 " font is similar with front position-arresting piece 608, and is relatively fixed in locating piece 607 dovetail grooves; Describedly determine piece 607 and roughly become cuboid it is fixed on back handle 620 intracavity by steady pin 612, the angle that tilts of its dovetail groove is roughly 20 degree, is unlikely to beat too large; Front-rear switch 650 passes through fixed bar 611 connection of rotating rings 603, and controls the rotation of swivel becket 603; Described fixed bar 611 is that two tops of round metal bars are provided with pin-and-hole for fixing; Described swivel becket 603 is round plastic part, and mid portion has the track of slip; It is cylinder that main shaft 640 bottom characteristic are run through in described sliding shoe 609 its upper ends, and when swivel becket 603 rotations positive and negative 90 are spent, its track impels sliding shoe 609 to seesaw along main shaft 640, thereby extrusion spring forms the trend that seesaws.
When lever operated portion is used, main shaft 640 and upper fixed seat 300 thereof are fixed, rotate front-rear switch 650 and can stir sliding shoe 609, when sliding shoe mediates, front position-arresting piece 608 and rear position-arresting piece 605 vertically do not tilt, and under this state, although hold the lever operated portion of front hand grip 610, can slightly swing front and back, but because there is no unidirectional cutoff mechanism, so cannot move forward or backward, as shown in figure 23, sliding shoe 609 is backward during running fix, rear position-arresting piece 605 is because lower end is spacing and both sides spring action force unbalance, so produce, recede and fit with main shaft 640, under this state, back handle 620 can only move backward and cannot move forward (arrow is lever operated portion moving direction) with respect to main shaft 640, while holding front hand grip 610, front position-arresting piece 608 is because upper rear end is spacing and the generation of both sides spring action force unbalance is tilted forward to and main shaft 640 laminatings, further rotate front hand grip 610, front position-arresting piece 608 is endowed the trend that further turns forward and move, thereby drive main shaft reach relatively together, because main shaft 640 is fixed, so lever operated portion moves after with respect to main shaft, front hand grip 610 is held and is unclamped afterwards on earth while resetting, the slope trend of front position-arresting piece 608 is released, front position-arresting piece 608 vertically comes off and contacts and return under spring-force driven dual with main shaft 640, so repeatedly hold front hand grip just can be constantly moving handle operating portion backward, as shown in figure 24, when sliding shoe 609 moves forward location, rear position-arresting piece 605 turns forward, front position-arresting piece 608 is because lower front end is spacing and both sides spring action force unbalance, so produce, turn forward and fit with main shaft, while being in one's hands so moving front hand grip, front hand grip 610 drives front position-arresting piece 608 to move backward with respect to back handle 620, front position-arresting piece 608 drives main shaft 640 with respect to back handle, to move backward together, because main shaft 640 is fixed, so lever operated portion moves forward with respect to main shaft, front hand grip 610 is held and is unclamped afterwards on earth while resetting, front position-arresting piece 608 slope trends are released, front position-arresting piece 608 is with respect to main shaft and back handle reach return, so repeatedly hold front hand grip and just can constantly move forward lever operated portion.
Below with reference to Figure 25～Figure 30; use procedure to snare 100 describes; first before and after rotating, spanner 650 arrows are down time; all springs do not have compressed front position-arresting piece 608 and the rear position-arresting piece 605 of making in loosening vertical state in original state; the external force of lever operated portion 600 applies down; along main shaft 640, move and make in the complete retraction sheath pipe 200 of snare 100 backward, the lubrication management 230 of sheath pipe 200 the insides can better be protected steel wire rope 130,140.Snare 100 and sheath pipe 200 are inserted into and in pincers road, are transported near stone location always, when observe calculus " A " particular location at Microendoscopic after, along main shaft 640, move forward lever operated portion 600, under observation by endoscope, adjust steel wire rope 130, 140 suitable length, its length that can stretch out reaches maximum approximately 20CM, also can be by rotating front-rear switch 650 forwards, holding front hand grip 610 makes whole lever operated portion 600 slowly move step by step along main shaft 640 forward, can make steel wire rope 130 like this, 140 slowly stretch out sheath pipe 200 forms snare 100, avoid stretching out fast the damage causing mucous membrane surface, slowly near calculus " A ", then utilize steel wire rope 130, 140 high scale labellings tentatively judge the size of calculus " A ", then unclamp left set bolt 550 and promote left sliding tube 540, it drives left solid shafting 520 to move forward, described left solid shafting 520 welds together with connection tube 510, its connection tube 510 is connected with steel wire rope 140 afterbodys, drive bottom left steel wire rope 140 at left sliding tube 540 travels forward and starts to form snare 100, slowly adjust snare 100 shapes and calculus " A " is entangled, be in course of adjustment and as far as possible slowly avoid deface mucous membrane tissue, at this moment mobile left sliding tube 540 is mobile backward tightens up snare 100 calculus " A " is entangled and prevented landing, after tightening up, should tighten left set bolt 550 on left orbitron, consider that snare 100 shape chopping calculus " A " are at this moment difficult to firmly, because steel wire rope 130, 140 length are inconsistent, so need to adjust right sliding tube 440, right steel wire rope 130 is slowly extended, when two of left and right steel wire rope 130, 140 length are when basically identical, tighten right set bolt 450 on right orbitron 470, at this moment before and after can turning, spanner 650 arrows are backwards time, drive fixed bar 611 to rotate swivel becket 603 90-degree rotations simultaneously, sliding shoe 609 bottom cylinders are taken exercises along track, it moves along main shaft 640 backward to impel sliding shoe 609, Compress Spring C604 and spring D606, thereby rear position-arresting piece 605 is receded by the inverted trapezoidal shape in locating piece 607, in the middle of impelling rear position-arresting piece 605, circular hole blocks main shaft 640, at this moment holding front hand grip 610 has " L " type groove can make front position-arresting piece 608 turn forward from vertical state in it, in the middle of front position-arresting piece 608, circular hole blocks main shaft 640, in this tilting procedure, lever operated portion 600 moves relative to main shaft 640, repeatedly holding this action drives front position-arresting piece 608 back and forth from the vertical state state of turning forward, whole handle portion to be moved backward step by step along main shaft 640, can drive like this snare 100 to start to shrink chopping calculus " A ", crowded thrust from calculus " A " in tightening process passes to steel wire rope 130, 140, steel wire rope 130, during 140 gathering, prop up front end sleeve pipe 210, described front end sleeve pipe 210 is welded on the top of bourdon tube 220, the tail end of bourdon tube is fixed on holder 300 by reinforcing ring 310, when drawing snare 100 in, sheath pipe 200, holder 300 is with respect to static, hold continuously front hand grip 300 until end cap 110 withstands front end sleeve pipe 210, " A " is chopped into calculus " B " to calculus.By endoscope, check calculus " B " size afterwards, can repeat if necessary previous step and adjust snare to rational size continuation cutting calculus " B ", until completely got outside patient body or excrete by body cavities by apparatus gripping rubbles such as the available basket of chopping or foreign body forcepses.
For the general shape of above-mentioned end cap 110, can be cylinder step as shown in Figure 6 (there is the nose circle face 111 of the importing of being beneficial to and for fixing one end counterbore 114 of steel wire rope), or circular cone step as shown in figure 31 (there is the nose circle face 111b of the importing of being beneficial to and for fixing one end counterbore 113b of steel wire rope), or straight cylinder shown in figure 32 (there is the nose circle face 111c of the importing of being beneficial to and for fixing one end counterbore 113c of steel wire rope).
The contour structures of front end sleeve pipe 210 can be cylinder ducted body as shown in Figure 8; end face has zigzag " U " type groove; or front end sleeve pipe as shown in figure 33; the excessive 212b of portion of chamfering is 30 degree chamfer bevels; on end face 214b, there are fillet and chamfer bevel excessive; contribute to like this to enter in pincers road or body cavity and reduce friction, protect scope or surface mucous.
The texture edge of holder 300 has switch knob 330, also can be as shown in figure 34, holder described in it round hole part 323b of fixed block 320b by side, increase screwed hole 322b, when needs fixedly can be beneficial to bolt-locking when reinforcing ring 310b; The counterbore 325b that penetrates fixed block 320b when main shaft 640 fixedly time, can pass through bottom thread hole 324b, and the left and right sides is many can increase screwed hole, respectively from left side or right side be screwed into bolted then its effect there is identical function with the steady pin of above-described embodiment.
The cylinder that solid shafting 420 can process for a metal substantially, or solid shafting as shown in figure 35, the depressed part 422b of its one end fixes for a sliding tube, the other end has a counterbore 421b, steel wire rope 130 can be inserted to counterbore by being welded together, its effect has identical function with the connection tube 410 of the first embodiment, thereby can save connection tube parts.
Sliding tube 610 structures also can be as shown in figure 36, and described sliding tube main body one end is processed to certain angle of inclination and is approximately 3 degree, surface coverage one circle taper thread 441b, and it is divided into three parts by three interspace 442b; When solid shafting is through sliding tube centre bore alar part 443b, nut 444b can be screwed into the taper thread of sliding tube main body, and it has, and to be screwed into the more long-acting fruit of distance better, and the profile of described nut 444b is cylinder or polygonal body, and endoporus has taper thread 445b.
Compared with prior art, advantage of the present invention and good effect are: two even scale marks of steel wire rope one end printer belt are also fixed by end cap, the other end is connected with two of left and right sliding tube respectively by solid shafting, advance and retreat that can be level and smooth in orbitron road, and under the effect of lever operated portion, make steel wire rope repeatedly shrink and form snare, this just offers doctor has individual initial stage anticipation and the rubble repeatedly of calculus is become to possibility, general, the snare of calculi breaking device can open and close at least repeatedly to be adjusted more than five times, be beneficial to extract calculus or reorganize and outfit with most suitable size and shape reuse, reach best lithotrity effect, avoided again sending into new snare due to unsuitable snare, both alleviated doctor's workload, for patient gets valuable treatment time, reduced again operation cost, reduced waste.Meanwhile, the present invention is easy to more change steel rope and handle and reuses and greatly reduce cost and increase economic benefit, has avoided waste resource and has increased patient's burden.And, because adopting metal processing piece, lever operated portion of the present invention is integrated by mechanical connection, there is sound construction stable, and its adjustment structure is symmetrical, even when stressed, has avoided the risk of handle breaking releasing in rubble process.
It is emphasized that: be only preferred embodiment of the present invention above, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a calculi breaking device, is characterized in that, comprises snare (100), sheath pipe (200), holder (300), regulates sliding part and lever operated portion (600);
The far-end that described snare (100) stretches out sheath pipe (200) by two steel wire ropes (130,140) forms, one end of two steel wire ropes (130,140) is fixedly connected with by end cap (110), and the other end of two steel wire ropes (130,140) is through to near-end and is connected with regulating sliding part from the far-end of sheath pipe (200);
The near-end of described sheath pipe (200) is fixed on holder (300), holder (300) is slidably connected with lever operated portion (600) and can under the driving of lever operated portion (600), moves forward and backward, and regulates sliding part to be arranged in lever operated portion (600);
Described adjusting sliding part comprises right adjusting sliding part (400) and left adjusting sliding part (500): right adjusting sliding part (400) comprises the right orbitron (470) being fixed in lever operated portion (600), the upper right sliding tube (440) of installing of right orbitron (470), right sliding tube (440) is slidably connected and is locked by locking member with right orbitron (470), the upper fixing right solid shafting (420) of right sliding tube (440), right solid shafting (420) is fixedly connected with the steel cable (130) in sheath pipe (200); Left adjusting sliding part (500) comprises the left orbitron (570) being fixed in lever operated portion (600), the upper left sliding tube (540) of installing of left orbitron (570), left sliding tube (540) is slidably connected and is locked by locking member with left orbitron (570), left sliding tube (540) is fixed left solid shafting (520), and left solid shafting (520) is fixedly connected with the another steel cable (140) in sheath pipe (200);
Wherein, described right solid shafting (420) is fixedly connected with the steel cable (130) in sheath pipe (200) by right connection tube (410); Described left solid shafting (520) is fixedly connected with the another steel cable (140) in sheath pipe (200) by left connection tube (510); described holder (300) comprises reinforcing ring (310), fixed block (320) and handle switch (330), fixed block (320) is provided with circular hole (323) and connects vertically the groove (321) of circular hole (323), reinforcing ring (310) is installed in circular hole (323), the bottom stage of one end of reinforcing ring (310) and circular hole (323) offsets, reinforcing ring (310) is fixedly connected with the near-end of described sheath pipe (200), the upper groove (321) of handle switch (330) and fixed block (320) thus two side arms be threaded and can be fixedly clamped or loosen reinforcing ring (310).
2. a kind of calculi breaking device according to claim 1, it is characterized in that, described right sliding tube (440) moves axially and passes through right set bolt (450) and is locked in the pore of right orbitron (470), right solid shafting (420) inserts in the centre bore of right sliding tube (440) and is fixedly connected with by right fastening bolt (460), and described right orbitron (470) is provided with the rail groove that can supply right set bolt (450) and right fastening bolt (460) guiding movement; Described left sliding tube (540) moves axially and passes through left set bolt (550) and is locked in the pore of left orbitron (570), left solid shafting (520) inserts in the centre bore of left sliding tube (540) and is fixedly connected with by left fastening bolt (560), and described left orbitron (570) is provided with the rail groove that can supply left set bolt (550) and left fastening bolt (560) guiding movement.
3. a kind of calculi breaking device according to claim 1, is characterized in that, on two steel wire ropes (130,140) of described snare (100), is all formed with scale mark (120).
4. a kind of calculi breaking device according to claim 1, it is characterized in that, described sheath pipe (200) consists of lubrication management (230) the sheathed bourdon tube in outside (220), lubrication management (230) is the continuous tubular structure of flexible inner surface, bourdon tube (220) forms for flat wire compact winding, and the far-end of bourdon tube (220) is fixed a front end sleeve pipe (210) that can tighten up snare (100).
5. a kind of calculi breaking device according to claim 1, it is characterized in that, described lever operated portion (600) comprises front hand grip (610), back handle (620), main shaft (640), spring A (601), front position-arresting piece (608), spring B (602), sliding shoe (609), spring C (604), rear position-arresting piece (605), spring D (606), front-rear switch (650) and locating piece (607), described holder (300) is fixed on main shaft (640) front end, described right orbitron (470) and left orbitron (570) are fixed on back handle (620), front hand grip (610) is hinged on back handle (620) and goes up and pass through reciprocal spring (613) elastic reset, main shaft (640) is located on back handle (620), empty set spring A (601) successively from front to back on main shaft (640) in back handle (620), front position-arresting piece (608), spring B (602), sliding shoe (609), spring C (604), rear position-arresting piece (605) and spring D (606), front position-arresting piece (608), rear position-arresting piece (605) all with main shaft (640) thus matched in clearance can tilt forward and back, spring A (601) front end and the front inwall of back handle (620) offset, spring A (601) rear end and front position-arresting piece (608) offset, the lower front end of front position-arresting piece (608) can be with front hand grip (610) thus the front position-arresting piece (608) that offsets can rotate inclination under the drive of front hand grip (610), spring B (602) front end and front position-arresting piece (608) offset, spring B (602) rear end and sliding shoe (609) offset, sliding shoe (609) is stirred and is moved forward and backward and locate by being arranged on front-rear switch (650) on back handle (620), spring C (604) front end and sliding shoe (609) offset, spring C (604) rear end and rear position-arresting piece (605) offset, rear position-arresting piece (605) lower end be arranged on the locating piece (607) in back handle (620) thus coordinate spacing rear position-arresting piece (605) only can rotate inclination, spring D (606) front end and rear position-arresting piece (605) offset, after spring D (606) rear end and back handle (620), inwall offsets.
6. a kind of calculi breaking device according to claim 5, it is characterized in that, described front-rear switch (650) is fixedly connected with the fixed bar (611) that rotation is arranged on back handle (620), the upper fixed installation of fixed bar (611) swivel becket (603), swivel becket (603) is provided with positioning runner and matches with the alignment pin being located on sliding shoe (609).
7. a kind of calculi breaking device according to claim 5, it is characterized in that, described main shaft (640) is for having the flat pole of upper lower plane, described sliding shoe (609) has the flat circular hole matching with main shaft (640) cross section, and described front position-arresting piece (608) and rear position-arresting piece (605) all have circular hole.
8. a kind of calculi breaking device according to claim 5, it is characterized in that, described locating piece (607) is arranged in back handle (620) by steady pin (612), locating piece (607) is provided with the spacing dovetail groove that matches with one end of rear position-arresting piece (605), and the stringcourse angle of inclination, left and right of dovetail groove is 15～25 degree.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19953359A1 (en) * | 1998-11-05 | 2000-05-11 | Asahi Optical Co Ltd | Treatment instrument for endoscope has flexible sheath, measurement scale, instrument duct in endoscope, elastic wire and grippers |
| CN102293675A (en) * | 2011-09-02 | 2011-12-28 | 王宝根 | Vacuum stone-taking device |
| CN202223300U (en) * | 2011-09-23 | 2012-05-23 | 中国人民解放军第四军医大学 | Endoscopic mechanical stomachic persimmon stone lithotripter |
| CN202821515U (en) * | 2012-09-04 | 2013-03-27 | 王东 | Stone crushing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6652537B2 (en) * | 2001-12-12 | 2003-11-25 | C. R. Bard, Inc. | Articulating stone basket |
-
2012
- 2012-09-04 CN CN201210324058.2A patent/CN102860856B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19953359A1 (en) * | 1998-11-05 | 2000-05-11 | Asahi Optical Co Ltd | Treatment instrument for endoscope has flexible sheath, measurement scale, instrument duct in endoscope, elastic wire and grippers |
| CN102293675A (en) * | 2011-09-02 | 2011-12-28 | 王宝根 | Vacuum stone-taking device |
| CN202223300U (en) * | 2011-09-23 | 2012-05-23 | 中国人民解放军第四军医大学 | Endoscopic mechanical stomachic persimmon stone lithotripter |
| CN202821515U (en) * | 2012-09-04 | 2013-03-27 | 王东 | Stone crushing device |
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