CN209518898U - A kind of rotatable hemostatic clamp of Microendoscopic - Google Patents

Abstract

A kind of rotatable hemostatic clamp of Microendoscopic, including clamp part, free component, transfer unit, torsion control component and operating member, clamp part includes clip, and clamp part is connected with component is freed, and freeing component can separate with clamp part under external force；It is characterized by: transfer unit includes delivery pipe and conveying silk, conveying silk is fixedly connected with component is freed, operating member includes the operating stick being connected with delivery pipe, and the sliding block that is connected and can be slided in operating stick with conveying silk, turning round control component includes runner and connecting tube, runner is mounted in operating stick, and it can be freely rotated relative to operating stick, connecting tube is fixedly connected with conveying silk, rotaring wheeling sleeve is in connecting tube, it is axially movable between connecting tube and runner, and runner can drive connecting tube to rotate, and transmit rotary movement on clamp part.It is reliable and stable that there is the utility model folder to close, and pre- clamping can be repeated several times, collet can arbitrarily rotate, and structure is simple, collet feature small in size.

Description

A kind of rotatable hemostatic clamp of Microendoscopic

Technical field

The utility model relates to the field of medical instrument technology, and in particular to a kind of rotatable hemostatic clamp of Microendoscopic is answered Closure for bleeding tissue in alimentary system endoscopic surgery.

Background technique

Endoscope is to have concentrated traditional optical, ergonomics, precision machinery, hyundai electronics, mathematics, software etc. in one Detecting instrument.One has imaging sensor, optical lens, light source illumination, mechanical device etc., it can enter stomach with direct oral cavity It is interior or enter in vivo through other natural holes or the small notch done of underwent operative enters in human body.It can be seen using endoscope The lesion that cannot be shown to X-ray, therefore it is highly useful to doctor.With the continuous improvement of digestive endoscopy Doctors' skill level With innovation, digestive endoscopy technology is developed to the modern digestive endoscopy Clinics for having both Clinics and Practices from simple indagation. It is all-pervasive, nothing from direct-view to indirect from intracavitary to outside chamber under the technology of digestive endoscopy treatment can be from mucous membrane to mucous membrane The case where hole also enters.Digestive endoscopy minimally-invasive treatment technology, part instead for the treatment of means such as original traditional operations, by Walk the therapeutic modality of changing section disease.

The Pathology bleeding of digestive system is the common acute disease of internal medicine, and merely through drug therapy, the course for the treatment of is long, and side effect is big, And with the progress of endoscopic surgery technology, stopped blooding the lesion locations of bleeding at current by soft tissue folder It is preferred.The hemostatic fashion of soft tissue folder is: clip reaches the bleeding tissue of deep within the body by the working clamp road of endoscope, and will Clip is separated with its transport portion later, makes clip continue to stay in the body, guaranteed with this by the edge grips around bleeding tissue Wound healing.

Some existing soft tissue folder technologies are set forth below:

In the patent of invention ENDOSCOPIC of the Patent No. US8062311B2 of U.S. Publication In HEMOSTATICCLIPPING APPRATUS, clip is separated two panels, connect, is accommodated in a stress part jointly In cinch tube, intermediate plate moves in the gap of cinch tube, and is closed intermediate plate to clamp tissue under the compressing on cinch tube both sides.

In the patent of invention apparatus for ligating of 101087564 B of Patent No. CN of China's bulletin, clip can retreat interior It is stored in pressing component (cinch tube), and through sheath.Tong Guo ー advance and retreat limiting mechanism limits press section Part then by operation lines pushes and pulls clip in the advance and retreat in guard leading end portion, and clip is made to retreat and opening and closing relative to pressing component, from And living tissue is ligatured.

In the application for a patent for invention hemostatic clipping device and method for 102065780 A of Patent No. CN that China announces, The front end of flexible member is connected with utricule, and the portions of proximal of clip and frangible connector are contained in utricule, passes through control line The opening and closing of the promotion control clip of cable, meanwhile, it is disconnected when connector bears scheduled power, by clip and controlling cable point It opens.

In above-mentioned technology, or because two intermediate plates can be deformed under the compressing of cinch tube and can not be weighed during closure It is new to open, or cannot be again turned on because cinch tube packet is stuck on two intermediate plates, or because cinch tube and sheath hose Between lack stationary positioned and can not reopen, and then cause clip that can not be clamped in advance in clamping process.It mentions in this way The high technical threshold of patient, while also increasing the risk for the treatment of.

In the patent of invention of Chinese patent CN102727276A, a kind of tissue hemostatic clipping device, clip packet are disclosed It includes: intermediate plate；Integral connector is fixedly connected with the push-and-pull end of intermediate plate；The push-and-pull end of intermediate plate and connector can be in the tightenings It retreats and slides in pipeline；Connector is fixed by anti-loose structure and cinch tube snapping；The front of cinch tube is fixedly equipped with gear Block, the clamp arm of intermediate plate are equipped with closure stop.

Chinese patent CN107684448A discloses a kind of hemostatic clamp, the hemostatic clamp by clamp assemblies, release component and Handleset composition, but clamp assemblies still cannot integrally rotate in radial directions.

Although above-mentioned technical proposal can carry out repeatedly pre- clamping again, because its collet can not be rotated, still can not Clip is fully solved to close the accurate folder of wound.For from haemostatic effect, bleeding for parteriole, folder closes the root of artery Can effectively it stop blooding；For the blood outlet of strip, needs to press from both sides and close the organization edges of two sides and can be only achieved the purpose of hemostasis.Therefore For the diversified complex situations of clinical wound, patient should be able to control collet rotation, and then take suitable collet relative to The angle of blood outlet arrived preferably folder and close effect.

In addition, also occurring the rotatable soft tissue hemostasis folder of collet on the market, but the structure of this hemostatic clamp is more multiple It is miscellaneous, and one hand-held endoscope of patient is needed, a hand-held hemostatic clamp needs other one when needing to operate rotary chuck A patient, which temporarily helps, takes endoscope, the former frees hand to rotating handle again and hemostatic clamp is rotated.

Summary of the invention

The utility model provides a kind of rotatable hemostatic clamp of Microendoscopic, and its object is to solve the folder of existing hemostatic clamp Head can not rotate, or allow to rotation but doctor cannot singlehanded the problem of completing operation.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of rotatable hemostatic clamp of Microendoscopic, Including clamp part, free component, transfer unit, turn round control component and operating member, the clamp part include freely openable Clip, clamp part is connected with component is freed, and the component of freeing can be separated with clamp part under external force；Definition It is proximal end towards one end of attending physician, one end far from attending physician is distal end, and the transfer unit includes delivery pipe and defeated The distal end of wire feed, the conveying silk is fixedly connected with component is freed, and conveying silk is threaded through in delivery pipe；The operating member includes The operating stick being connected with the proximal end of delivery pipe, and the cunning that is connected and can be slided in operating stick with the proximal end of conveying silk Block；

The torsion control component includes runner and connecting tube, and the runner is set in operating stick, axis of the runner in operating stick Opposite operating stick positions upwards, and is rotatablely connected on the direction of axis line of operating stick with operating stick；The connecting tube is arranged It is fixedly connected on the conveying silk and with conveying silk, connecting tube is threaded through in operating stick and runner；The centre bit of the runner It sets and is equipped with a special-shaped centre bore, have one section of cross sectional shape identical with the shape of the centre bore in the connecting tube Transfer section, the area of section of the transfer section are slightly less than the area of centre bore, and transfer section is threaded through in centre bore and and centre bore Dimensionally there is matched grafting relationship, the length of transfer section is greater than the stroke of the sliding block；

The connecting tube and conveying silk can move up under the drive of sliding block in the axis of operating stick, and the runner can Connecting tube rotation is driven, and is transmitted rotary movement on clamp part.

Related content in above-mentioned technical proposal is explained as follows:

1, in above scheme, preferable scheme is that the clamp part includes fixing seat, mobile pin shaft, fixed pin shaft And it is hinged on the clip in fixing seat by fixed pin shaft, clip is equipped with sliding slot, and mobile pin shaft is threaded through in sliding slot.It is mobile The movement of pin shaft only in the axial direction, the sliding slot include opening and closing section, and clamping opening and locking section, the width of clamping opening are slightly less than moving pin The diameter of axis, mobile pin shaft can extrude clamping opening and flexible deformation occur, and enter sliding slot locking section by clamping opening.

2, in above scheme, preferable scheme is that the component of freeing includes pull rod, connector sleeve, casing and claw, institute It states pull rod and has the gib head being hinged with the mobile pin shaft, the claw is with buckling, in the fixing seat and connector sleeve Equipped with bayonet, the buckle is protruded into the bayonet of fixing seat and the bayonet of connector sleeve, and fixing seat is connected with connector sleeve.The drawing The gib head of bar be straightened required external force be greater than will move pin shaft be pulled through clip sliding slot clamping opening external force.

The proximal end of the connector sleeve is equipped with the bigger connector sleeve boss of diameter, and the distal end of the delivery pipe is fixed with snap ring, The distal diameter of snap ring is less than the diameter of the connector sleeve boss, and snap ring covers on connector sleeve boss, and connector sleeve can be relative to It is freely rotated with delivery pipe, the conveying silk is fixedly connected with pull rod.

3, in above scheme, preferable scheme is that the shape of the centre bore is kidney ellipsoid or ellipse or cross Shape.

4, in above scheme, preferable scheme is that the periphery of the operating stick is equipped in the radial direction in groove-like Operating stick sliding slot, the inner cavity of the runner are equipped with the runner spin-block in boss-shaped in the radial direction, and the runner spin-block is mounted There is gap in operating stick sliding slot, and between runner spin-block and operating stick sliding slot, so that the rotaring wheeling sleeve is in operating stick.

5, in above scheme, preferable scheme is that the proximal end of the delivery pipe is fixed with outer diameter slightly larger than conveying pipe outside diameter First positioning pipe, the rotor periphery are equipped with the pulley groove in the radial direction in groove-like, the section of the centre bore of runner Area of section of the area less than the first positioning pipe outer profile；The distal end of the operating stick is equipped with the positioning cap of similar cover shape, The inner cavity of positioning cap is equipped with the positioning cap convex block in boss-shaped in the radial direction, and the area of section of the opening of positioning cap is less than first The area of section of positioning pipe outer profile, the positioning cap are sleeved on runner, and to be installed in runner recessed for the positioning cap convex block In slot, the first positioning pipe is mounted among runner and positioning cap, and has gap between the first positioning pipe and runner, delivery pipe from The opening of positioning cap extends out.

6, in above scheme, preferable scheme is that the proximal end of the conveying silk is fixed with outer diameter slightly larger than conveying silk diameter Second positioning pipe, the sliding block include sliding block buckle, and sliding block buckle is clamped on sliding block by compression, the sliding block card after clamping The inside of button is formed with a cavity, and the aperture of the opening of cavity is less than the outer diameter of the second positioning pipe, and is greater than conveying silk Diameter, second positioning pipe are installed in the cavity of sliding block buckle, have gap between the second positioning pipe and cavity inner wall, Conveying silk is extended out from the opening of cavity.

7, in above scheme, the delivery pipe is metal elastic reed pipe, and the conveying silk is wirerope.

8, in above scheme, the sliding block not rotation of the limit transport silk relative to sliding block.

9, in above scheme, " axial direction " indicates the direction that the device of the utility model is pushed into.

10, in above scheme, the outer contour shape of the runner is not necessarily a complete circle, both can be circle, Or discount vibram outlet, sector etc..

Due to the application of the above technical scheme, the utility model has the following characteristics that this is practical new compared with prior art Type structure is simple, and collet is small in size, and folder closes reliable and stable, pre- clamping can be repeated several times, collet can arbitrarily rotate, and doctor exists It can be operated with one hand the hemostatic clamp of the utility model in surgical procedure, it can one hand while hand-held hemostatic clamp and rotating wheel realization folder The rotation of head.

Detailed description of the invention

Attached drawing 1 is a kind of planar structure schematic diagram of the embodiment of the rotatable hemostatic clamp of Microendoscopic of the utility model；

Attached drawing 2 is the three dimensional structure diagram of 1 embodiment of attached drawing；

Attached drawing 3 is the three dimensional sectional view of clamp part in 1 embodiment of attached drawing；

Attached drawing 4 is the structural schematic diagram of clip in 3 embodiment of attached drawing；

Attached drawing 5 is clamp part and the three dimensional sectional view for freeing component part in 1 embodiment of attached drawing；

Attached drawing 6 is the three-dimensional structure view of pull rod in 5 embodiment of attached drawing；

Attached drawing 7 is the three-dimensional structure view of claw in 5 embodiment of attached drawing；

Attached drawing 8 is the three-dimensional structure view that control component is turned round in 1 embodiment of attached drawing；

Attached drawing 9 is the three-dimensional sectional arrangement drawing that control component is turned round in 1 embodiment of attached drawing；

Attached drawing 10 is the three dimensional sectional view of clip opening state in 1 embodiment of attached drawing；

Attached drawing 11 is the three dimensional sectional view of clip closed state in 1 embodiment of attached drawing；

Attached drawing 12 is the three dimensional sectional view that clamp part frees state in 1 embodiment of attached drawing；

Attached drawing 13 is the cross-sectional view turned round under control component and operating member assembled state in embodiment.

In the figures above: 100, clamp part；200, component is freed；300, transfer unit；400, control component is turned round；500, it grasps Make component；110, clip；111, it is opened and closed section；112, clamping opening；113, locking section；120, fixing seat；121, fixing seat bayonet；130, Fixed pin shaft；140, mobile pin shaft；210, pull rod；211, gib head；220, connector sleeve；221, connector sleeve bayonet；222, boss； 230, casing；240, claw；241, it buckles；310, delivery pipe；311, snap ring；312, the first positioning pipe；320, silk is conveyed；321, Second positioning sleeve；410, runner；411, centre bore；412, runner spin-block；413, pulley groove；420, connecting tube；421, transfer Section；510, operating stick；511, operating stick sliding slot；512, positioning cap；513, positioning cap convex block；520, sliding block；521, sliding block buckles.

Specific embodiment

The utility model is further described with reference to the accompanying drawings and embodiments:

A kind of embodiment: rotatable hemostatic clamp of Microendoscopic

Fig. 1 shows a kind of rotatable hemostatic clamp of Microendoscopic of the utility model, including clamp part 100, frees component 200, transfer unit 300 turns round control component 400 and operating member 500, and Fig. 2 is the three-dimensional structure view of Fig. 1；As shown in figure 3, The clamp part includes fixing seat 120, mobile pin shaft 140, fixed pin shaft 130 and is hinged on by fixed pin shaft 130 Clip 110 in fixing seat 120, clip 110 are equipped with sliding slot, and mobile pin shaft 140 is threaded through in sliding slot, and mobile pin shaft 140 is only Movement in axial direction, the fixing seat 120 include the fixing seat bayonet 121 of several hole shape.As shown in figure 4, institute The sliding slot for stating clip 110 includes opening and closing section 111, and clamping opening 112 and locking section 113, the width of clamping opening 112 are slightly less than mobile pin shaft 140 diameter, mobile pin shaft 140 can extrude clamping opening 112 and flexible deformation occur, and enter sliding slot locking section by clamping opening 112 113, and two 110 sliding slots of clip in fixing seat 120 at symmetrical form.During mobile pin shaft 140 moves axially, sliding slot It will constantly change relative to axial angle, and then rotate clip 110 along fixed pin shaft 130, when two clips 110 When sliding slot is at symmetrical form, so that it may which two clips 110 realize the movement of opening and closing；When mobile pin shaft 140 reaches at clamping opening 112 When, clip 110 completely closes, increase the mobile pin shaft 140 of external force and squeeze clamping opening 112 and occur flexible deformation, and by clamping opening 112 into Enter locking section 113, remove external force at this time, is fixed on mobile pin shaft 140 in locking section 113, clip 110 will no longer be beaten at this time It opens, and then clip 110 is enable to clamp the tissue of bleeding, do not get loose.

As shown in figure 5, clamp part 100 is connected with component 200 is freed with this structure, it is described to free the packet of component 200 Include pull rod 210, connector sleeve 220, casing 230 and claw 240；As shown in fig. 6, the pull rod 210 has mobile 140 phase of pin shaft Hinged gib head 211；As shown in fig. 7, the claw 240 is with buckle 241, according to shown in Fig. 2, buckle 241 protrudes into fixing seat card In mouth 121 and connector sleeve bayonet 221, the buckle 241 is protruded into fixing seat bayonet 121 and connector sleeve bayonet 221, by fixing seat 120 and connector sleeve 220 connect.The axial movement that mobile pin shaft 140 is driven by push-and-pull pull rod 210, both may be implemented clip 110 Opening and closing and locking.The gib head 211 of pull rod 210 can drive mobile pin shaft 140 mobile, and can external force only it is enough it is big when Time is plastically deformed, and then is detached from mobile pin shaft 140；The buckle 241 of claw 240 can will be consolidated when not by external force simultaneously Reservation 120 and connector sleeve are fixed, but when external force is sufficiently large, and the gib head 211 of pull rod 210 is straightened, the buckle of claw 240 241 abjection fixing seat bayonets 121 and connector sleeve bayonet 221, fixing seat and connector sleeve 220 separate, and then realize and free component 200 It is separated with clamp part 100.Since the gib head 211 of the pull rod 210 required external force that is straightened is greater than and will move pin shaft 140 and draw When crossing the external force of clip sliding slot clamping opening 112, therefore can guarantee that clamp part 100 is detached from, mobile pin shaft 140 has fallen into sliding slot clamping Section 113, and then ensure the firm grip of clip 110.

The transfer unit 300 includes delivery pipe 310 and conveying silk 320, as shown in figure 5, delivery pipe 310 is metal spring Pipe, conveying silk 320 are wirerope；220 proximal end of the connector sleeve boss 222 bigger with diameter, 310 distal end of delivery pipe It is fixed with snap ring 311,311 distal diameter of snap ring is less than 222 diameter of connector sleeve boss, and 311 sets of snap ring in connector sleeve boss 222 On, and then realize that connector sleeve 220 can be freely rotated relative to delivery pipe 310；It is solid between the conveying silk 320 and pull rod 210 Fixed connection.In such a way that connector sleeve 220 and delivery pipe 310 are attached by snap ring 311, it is ensured that when conveying 320 band of silk When dynamic pull rod 210 rotates, the rotary motion of clamp part 100 is passed to by pull rod 210, will not be limited by delivery pipe 310.

The operating member 500 includes the operating stick 510 being connected with delivery pipe 310, and is connected with conveying silk 320 And the sliding block 520 that can be slided in operating stick 510；The torsion control component 400 includes runner 410 and connecting tube 420.Such as Fig. 8 institute Show, the runner 410 has the centre bore 411 of oval, and it is the transfer section of kidney ellipsoid that the connecting tube 420, which has cross sectional shape, 421, the area of section of the transfer section 421 is slightly less than 411 area of centre bore, and 421 length of transfer section, which is slightly longer than, can make clip 110 520 stroke of sliding block needed for normal opening and closing.Under this structure, it can make runner 410 that connecting tube 420 be driven to be rotated, while not Influencing the conveying silk 320 being fixedly connected with connecting tube 420 drives connecting tube 420 to move axially, and sliding block 520 is without limitation on conveying silk 320 rotation relative to sliding block 520.

Conveying 320 most proximal end of silk is fixed with second positioning pipe 321 of the outer diameter slightly larger than conveying 320 diameter of silk, described Sliding block 520 includes sliding block buckle 521, and sliding block buckle 521 is clamped on sliding block 520 by compression, the sliding block buckle 521 after clamping Inside be formed with a cavity, and the aperture of the opening of cavity is less than 321 outer diameter of the second positioning pipe, and is greater than conveying silk 320 diameters, second positioning pipe 321 are installed in the cavity of sliding block buckle 521, the second positioning pipe 321 and cavity inner wall Between have a gap, conveying silk 320 is extended out from the opening of cavity.Conveying silk 320 can be fixed on sliding block 520 by this structure On, when runner 410 drives conveying silk 320 to rotate, it will not be limited and rotate by sliding block 520.

As shown in figure 9,510 periphery of operating stick is with the interior operating stick sliding slot 511 in groove-like in the radial direction, institute 410 inner cavity of runner stated is sleeved on operating stick with the runner spin-block 412 for being in the radial direction in boss-shaped, the runner 410 On 510, runner spin-block 412 is installed in operating stick sliding slot 511, and is had between runner spin-block 412 and operating stick sliding slot 511 Gap.Runner 410 can be mounted in operating stick 510 by this structure, while not influenced runner 410 and being freely rotated.

310 most proximal end of delivery pipe is fixed with the first positioning pipe 312 that outer diameter is slightly larger than 310 outer diameter of delivery pipe, described 410 periphery of runner is less than with the interior pulley groove 413 in groove-like, the area of section in roller centre hole 411 in the radial direction First positioning pipe, 312 outer profile area of section, 510 distal end of operating stick include the positioning cap 512 of similar cover shape, For 512 inner cavity of positioning cap with the positioning cap convex block 513 for being in the radial direction in boss-shaped, the area of section that positioning cap 512 is open is small In 312 outer profile area of section of the first positioning pipe, the positioning cap 512 is sleeved on runner 410, and positioning cap convex block 513 It is installed in pulley groove 413, the first positioning pipe 312 is mounted among runner 410 and positioning cap 512, and the first positioning pipe There is gap between 312 and runner 410, delivery pipe 310 is extended out from the opening of positioning cap 512.This structure can be by delivery pipe 310 are fixed in operating stick 510, and when runner 410 is rotated, undesirable rotation will not occur for delivery pipe 310.

When patient, which adjusts runner 410, to rotate, runner 410 can drive connecting tube 420 to rotate, and connecting tube 420 will drive defeated Wire feed 320 and pull rod 210 rotate, and then transmit rotary movement on clamp part 100.The following are the tools of rotatable hemostatic clamp Body operation instruction:

Using it is preceding can in vitro operation hemostatic clamp now operating member 500, confirmation clamp part 100 can be with freely openable. Clamp part 100 is closed after the completion of confirmation, hemostatic clamp is sent at bleed site by endoscope channel, is pushed forward sliding block later 520, sliding block 520 will push conveying silk 320 and pull rod 210 to distally, and the mobile pin shaft 140 on pull rod 210 is mobile to distal end, lead Clip 110 is caused gradually to open, at this time as shown in Figure 10；Patient can be rotated runner 410 later, and runner 410 will drive connecting tube 420 Rotation, and then drive conveying silk 320 and the pull rod 210 fixed with conveying silk 320 to rotate, and then drive clamp part 100 whole Clip 110 can be adjusted to the proper angle relative to wound by rotation, final patient.As shown in figure 11, when patient's angle and When position suitable, the sliding block 520 that can gently pull back is clamped in advance, can judge hemostasis by endoscope later, if dissatisfied, Sliding block 520 can be pushed again, clip 110 is opened, and repeating above step, the position and angle that adjustment clip 110 is open To suitable situation.As shown in figure 12, it when clamping result is satisfied in advance, can exert oneself to pull back sliding block 520, pull rod 210 will drive Mobile pin shaft 140 enters locking section 113 by the clamping opening 112 of sliding slot, completes clip 110 and locks；Pulling force is continued to later, is drawn The gib head 211 of bar 210 will be straightened, and pull rod 210 is separated with clamp part 100 at this time, continue to pulling force, and pull rod 210 will push away Dynamic casing 230, casing 230 and then promotion claw 240, and then buckling 241 will be from fixing seat bayonet 121 and connector sleeve bayonet 221 In fall off, complete the separation of fixing seat 120 and connector sleeve 220 at this time, clamp part 100 is completed to free at this time, and will persistently press from both sides Bleed site is held, until wound heals completely.Fig. 1 shows a kind of rotatable hemostatic clamp of Microendoscopic of the utility model, including Clamp part 100, frees component 200, and transfer unit 300 turns round control component 400 and operating member 500, the three-dimensional knot that Fig. 2 is Fig. 1 Structure view；As shown in figure 3, the clamp part 100 includes fixing seat 120, and it is hinged on admittedly by fixed pin shaft 130 Clip 110 in reservation 120, and slided in 100 sliding slot of clip, and the mobile pin shaft 140 of movement only in the axial direction, The fixing seat 120 contains the fixing seat bayonet 121 of several hole shape.As shown in figure 4, the 110 sliding slot packet of clip Opening and closing section 111, clamping opening 112 and locking section 113 are included, the width of clamping opening 112 is slightly less than the diameter of mobile pin shaft 140, mobile pin shaft Flexible deformation occurs for 140 extrudable clamping opening 112, and enters sliding slot locking section 113, and two 110 sliding slots of clip by clamping opening 112 At symmetrical form in fixing seat 120.

As shown in figure 5, clamp part 100 is connected with component 200 is freed with this structure, described frees component 200 Including pull rod 210, connector sleeve 220, casing 230 and claw 240；As shown in fig. 6, the pull rod 210 has mobile pin shaft 140 The gib head 211 being hinged；As shown in fig. 7, the claw 240 is with buckle 241, according to shown in Fig. 2, buckle 241 protrudes into fixation In seat bayonet 121 and connector sleeve bayonet 221, fixing seat 120 and connector sleeve 220 are connected.Movement is driven by push-and-pull pull rod 210 The opening and closing and locking of clip 110 had both may be implemented in the axial movement of pin shaft 140.When external force is sufficiently large, the gib head of pull rod 210 211 are straightened, and the buckle 241 of claw 240 deviates from fixing seat bayonet 121 and connector sleeve bayonet 221, and then realizes and free component 200 can separate with clamp part 100 under external force, since the gib head 211 of the pull rod 210 is straightened required external force It is greater than, it is mobile when mobile pin shaft 140 being pulled through the external force of clip sliding slot clamping opening 112, therefore can guarantee that clamp part 100 is detached from Pin shaft 140 has fallen into sliding slot clamp segment 113, and then ensures the firm grip of clip 110.

The transfer unit 300 includes delivery pipe 310 and conveying silk 320, as shown in figure 5, delivery pipe 310 is metal elastic Reed pipe, conveying silk 320 are wirerope；220 proximal end of connector sleeve has the bigger boss 222 of diameter, the delivery pipe 310 distal ends are fixed with snap ring 311, and 311 distal diameter of snap ring is less than 222 diameter of connector sleeve boss, and 311 sets of snap ring convex in connector sleeve On platform 222, and then realize that connector sleeve 220 can be freely rotated relative to delivery pipe 310；The conveying silk 320 and pull rod 210 Between be fixedly connected.

The operating member 500 includes the operating stick 510 being connected with delivery pipe 310, and is connected with conveying silk 320 And the sliding block 520 that can be slided in operating stick 510；The torsion control component 400 includes runner 410 and connecting tube 420.Such as Fig. 8 Shown, the runner 410 has a centre bore 411 of oval, the connecting tube 420 have cross sectional shape be kidney ellipsoid with Turn section 421, the area of section of the transfer section 421 is slightly less than 411 area of centre bore, and 421 length of transfer section, which is slightly longer than, can make to press from both sides Son 110 is normally opened and closed required 520 stroke of sliding block.320 most proximal end of conveying silk is fixed with outer diameter slightly larger than conveying silk 320 Second positioning pipe 321 of diameter, the sliding block 520 include sliding block buckle 521, and sliding block buckle 521 is clamped on cunning by compression On block 520, the inside of the sliding block buckle 521 after clamping is formed with a cavity, and the aperture of the opening of cavity is less than second 321 outer diameter of positioning pipe, and it is greater than conveying 320 diameter of silk, second positioning pipe 321 is installed in the sky of sliding block buckle 521 It is intracavitary, there is gap between the second positioning pipe 321 and cavity inner wall, conveying silk 320 is extended out from the opening of cavity.This structure Under, rotation of the sliding block 520 without limitation on conveying silk 320 relative to sliding block 520.

As shown in figure 9,510 periphery of operating stick has the operating stick sliding slot 511 in the radial direction in groove-like, 410 inner cavity of runner is sleeved on operation with the runner spin-block 412 for being in the radial direction in boss-shaped, the runner 410 On bar 510, runner spin-block 412 is installed in operating stick sliding slot 511, and is deposited between runner spin-block 412 and operating stick sliding slot 511 There is gap.310 most proximal end of delivery pipe is fixed with the first positioning pipe 312 that outer diameter is slightly larger than 310 outer diameter of delivery pipe, described 410 periphery of runner with the pulley groove 413 in being in the radial direction in groove-like, the area of section in roller centre hole 411 is small In 312 outer profile area of section of the first positioning pipe, 510 distal end of operating stick includes the positioning cap of similar cover shape 512,512 inner cavity of positioning cap is with the positioning cap convex block 513 for being in the radial direction in boss-shaped, the section face that positioning cap 512 is open Product is less than positioning pipe I312 outer profile area of section, and the positioning cap 512 is sleeved on runner 410, and positioning cap convex block 513 It is installed in pulley groove 413, positioning pipe I312 is mounted among runner 410 and positioning cap 512, and positioning pipe I312 and is turned There is gap between wheel 410, delivery pipe 310 is extended out from the opening of positioning cap 512.

When patient, which adjusts runner 410, to rotate, runner 410 can drive connecting tube 420 to rotate, and connecting tube 420 will drive defeated Wire feed 320 and pull rod 210 rotate, and then transmit rotary movement on clamp part 100.The following are the tools of rotatable hemostatic clamp Body operation instruction:

Using it is preceding can in vitro operation hemostatic clamp now operating member 500, confirmation clamp part 100 can be with freely openable. Clamp part 100 is closed after the completion of confirmation, hemostatic clamp is sent at bleed site by endoscope channel, is pushed forward sliding block later 520, sliding block 520 will push conveying silk 320 and pull rod 210 to distally, and the mobile pin shaft 140 on pull rod 210 is mobile to distal end, lead Clip 110 is caused gradually to open, at this time as shown in Figure 10；Patient can be rotated runner 410 later, and runner 410 will drive connecting tube 420 Rotation, and then drive conveying silk 320 and the pull rod 210 fixed with conveying silk 320 to rotate, and then drive clamp part 100 whole Clip 110 can be adjusted to the proper angle relative to wound by rotation, final patient.As shown in figure 11, when patient's angle and When position suitable, the sliding block 520 that can gently pull back is clamped in advance, can judge hemostasis by endoscope later, if dissatisfied, Sliding block 520 can be pushed again, clip 110 is opened, and repeating above step, the position and angle that adjustment clip 110 is open To suitable situation.As shown in figure 12, it when clamping result is satisfied in advance, can exert oneself to pull back sliding block 520, pull rod 210 will drive Mobile pin shaft 140 enters locking section 113 by the clamping opening 112 of sliding slot, completes clip 110 and locks；Pulling force is continued to later, is drawn The gib head 211 of bar 210 will be straightened, and pull rod 210 is separated with clamp part 100 at this time, continue to pulling force, and pull rod 210 will push away Dynamic casing 230, casing 230 and then promotion claw 240, and then buckling 241 will be from fixing seat bayonet 121 and connector sleeve bayonet 221 In fall off, complete the separation of fixing seat 120 and connector sleeve 220 at this time, clamp part 100 is completed to free at this time, and will persistently press from both sides Bleed site is held, until wound heals completely.

The clamp part of the present embodiment, the specific structure for freeing component and transfer unit and principle are referring also to China Patent CN107684448A.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention. All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims (9)

1. a kind of rotatable hemostatic clamp of Microendoscopic, including clamp part, free component, transfer unit, turn round control component and Operating member, the clamp part include the clip of freely openable, and clamp part is connected with component is freed, described to free component It can be separated under external force with clamp part；It is characterized by: defining towards one end of attending physician is proximal end, it is separate to cure mainly One end of doctor is distal end, and the transfer unit includes delivery pipe and conveying silk, and the distal end of the conveying silk is consolidated with component is freed Fixed connection, conveying silk are threaded through in delivery pipe；The operating member includes the operating stick being connected with the proximal end of delivery pipe, and The sliding block that is connected and can be slided in operating stick with the proximal end of conveying silk；

The torsion control component includes runner and connecting tube, and the runner is set in operating stick, and runner is in the axial direction of operating stick Opposite operating stick positions, and is rotatablely connected on the direction of axis line of operating stick with operating stick；The connecting pipe box are located at institute It states on conveying silk and is fixedly connected with conveying silk, connecting tube is threaded through in operating stick and runner；On the center of the runner Equipped with a special-shaped centre bore, there is the transfer identical with the shape of the centre bore of one section of cross sectional shape in the connecting tube Section, the area of section of the transfer section are less than the area of centre bore, transfer section be threaded through in centre bore and and centre bore in size On there are matched grafting relationship, the length of transfer section is greater than the stroke of the sliding block；

The connecting tube and conveying silk can move up under the drive of sliding block in the axis of operating stick, and the runner is able to drive Connecting tube rotation, and transmit rotary movement on clamp part.

2. a kind of rotatable hemostatic clamp of Microendoscopic according to claim 1, it is characterised in that: the clamp part packet Fixing seat, mobile pin shaft, fixed pin shaft and the clip being hinged in fixing seat by fixed pin shaft are included, clip, which is equipped with, to be slided Slot, mobile pin shaft are threaded through in sliding slot.

3. a kind of rotatable hemostatic clamp of Microendoscopic according to claim 2, it is characterised in that: described to free component packet Pull rod, connector sleeve, casing and claw are included, the pull rod has the gib head being hinged with the mobile pin shaft, the claw band There is buckle, bayonet is equipped in the fixing seat and connector sleeve, it is described to buckle the bayonet for protruding into the bayonet and connector sleeve of fixing seat In, fixing seat is connected with connector sleeve.

4. a kind of rotatable hemostatic clamp of Microendoscopic according to claim 3, it is characterised in that: the connector sleeve it is close End is equipped with connector sleeve boss, and the distal end of the delivery pipe is fixed with snap ring, and the distal diameter of snap ring is less than the connector sleeve boss Diameter, snap ring covers on connector sleeve boss, and connector sleeve can be freely rotated relative to delivery pipe, the conveying silk and pull rod It is fixedly connected.

5. a kind of rotatable hemostatic clamp of Microendoscopic according to claim 1, it is characterised in that: the shape of the centre bore Shape is kidney ellipsoid or ellipse or cross shape.

6. a kind of rotatable hemostatic clamp of Microendoscopic according to claim 1, it is characterised in that: outside the operating stick It is equipped with the operating stick sliding slot in the radial direction in groove-like week, it is in boss-shaped that the inner cavity of the runner is equipped in the radial direction Runner spin-block, the runner spin-block is installed in operating stick sliding slot, and between having between runner spin-block and operating stick sliding slot Gap, so that the rotaring wheeling sleeve is in operating stick.

7. a kind of rotatable hemostatic clamp of Microendoscopic according to claim 1, it is characterised in that: the delivery pipe it is close End is fixed with the first positioning pipe that outer diameter is greater than conveying pipe outside diameter, and the rotor periphery is equipped in the radial direction in groove-like Pulley groove, the area of section of the area of section of the centre bore of runner less than the first positioning pipe outer profile；The operating stick it is remote End is equipped with the positioning cap of cover shape, and the inner cavity of positioning cap is equipped with the positioning cap convex block in boss-shaped in the radial direction, positioning cap Opening area of section less than the area of section of the first positioning pipe outer profile, the positioning cap is sleeved on runner, and described Positioning cap convex block is installed in pulley groove, and the first positioning pipe is mounted among runner and positioning cap, and the first positioning pipe and There is gap between runner, delivery pipe is extended out from the opening of positioning cap.

8. a kind of rotatable hemostatic clamp of Microendoscopic according to claim 1, it is characterised in that: described to convey the close of silk End is fixed with the second positioning pipe that outer diameter is greater than conveying silk diameter, and the sliding block includes sliding block buckle, and sliding block buckle is pressed Contracting is clamped on sliding block, and the inside of the sliding block buckle after clamping is formed with a cavity, and the aperture of the opening of cavity is less than The outer diameter of second positioning pipe, and it is greater than conveying silk diameter, second positioning pipe is installed in the cavity of sliding block buckle, and second There is gap between positioning pipe and cavity inner wall, conveying silk is extended out from the opening of cavity.

9. a kind of rotatable hemostatic clamp of Microendoscopic according to claim 1, it is characterised in that: the delivery pipe is gold Belong to bourdon tube, the conveying silk is wirerope.