CN113499113A

CN113499113A - Multi-azimuth rotary ligation device capable of exciting elastic line for multiple times

Info

Publication number: CN113499113A
Application number: CN202110768212.4A
Authority: CN
Inventors: 向长林; 曹锐
Original assignee: Suzhou Beinuo Medical Instruments Co Ltd
Current assignee: Suzhou Beinuo Medical Instruments Co Ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-10-15
Anticipated expiration: 2041-07-05
Also published as: CN113499113B

Abstract

The invention discloses a multi-azimuth rotary ligation device capable of exciting an elastic thread for multiple times, which comprises an elastic thread sleeve head and an elastic coil, wherein the elastic coil is sleeved at the thin end of the elastic thread sleeve head, a drainage wall is sleeved outside one end of the elastic thread sleeve head, which is far away from the thin end, sliding grooves are formed in two sides of the drainage wall, a fixing ring is fixedly arranged in the far end of the drainage wall, a fixing disc is arranged in the center of the fixing ring, the fixing disc is fixedly connected with the fixing ring through a fixing column, a limiting nut is arranged in the center of the fixing disc in a penetrating manner, a miniature camera is fixedly arranged in the drainage wall at a position close to the sliding grooves and the fixing ring, three limiting devices are sequentially arranged in the drainage wall from the far end to the near end, a first threaded rod is arranged in the three limiting devices in a penetrating manner, the ligation device prevents a gasket from falling off through the limiting devices, the workload and the operation difficulty of a doctor are reduced, and the ligation device can be operated by a single person, the operation angle is changed, the probability of postoperative recurrence is reduced, and misoperation of a user is prevented.

Description

Multi-azimuth rotary ligation device capable of exciting elastic line for multiple times

Technical Field

The invention relates to the technical field of ligation devices, in particular to a multidirectional rotary ligation device capable of exciting elastic lines for multiple times.

Background

An internal hemorrhoid ligation device is a medical appliance for treating internal hemorrhoid, mixed hemorrhoid, lower sigmoid colon and rectal polyp. By utilizing the transparent suction head of the ligation device and the ring pushing cylinder with a plurality of observation holes, the blind vision phenomenon during ligation can be improved, and the reliability and the accuracy of ligation are enhanced. The existing ligation device is divided into two ligation modes, one mode is to separate elastic coils one by using gaskets, when the coils are excited, the corresponding gaskets can also fall, the other mode is to pull the elastic coils by using auxiliary rods (draw bars), and then the elastic coils are tensioned by using hollow auxiliary rods, so that ligation is carried out.

Traditional ligation device uses, and the matter that the doctor need notice is more, and the packing ring drops and can increase doctor's work load among the operation process, and the ligation device of auxiliary rod type must two people operate, increases the operation degree of difficulty, in addition, current ligation device can not change the angle of distal end, uses the angle single, when sick tissue position is comparatively remote, need drag the tissue and will expose out sick tissue, produces unnecessary injury to other tissue positions easily.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the multidirectional rotating ligation device capable of exciting the elastic line for multiple times, which has the advantages of avoiding the falling of the gasket, being operated by one person and at multiple angles, and solves the problems of the falling of the gasket, the operation by multiple persons and the single angle.

(II) technical scheme

In order to solve the technical problems of the falling of the gasket, multi-person operation and single angle, the invention provides the following technical scheme:

a multidirectional rotating ligation device capable of exciting elastic wires for multiple times comprises an elastic wire sleeve head and an elastic coil, wherein the elastic coil is sleeved at the thin end of the elastic wire sleeve head, a drainage wall is sleeved outside one end, far away from the thin end, of the elastic wire sleeve head, sliding grooves are formed in two sides of the drainage wall, a fixing ring is fixedly arranged at the far end of the drainage wall, a fixing disc is arranged in the center of the fixing ring, the fixing disc is fixedly connected with the fixing ring through a fixing column, a limiting nut penetrates through the center of the fixing disc, a miniature camera is fixedly arranged in the drainage wall close to the sliding grooves and the fixing ring, three limiting devices are sequentially arranged in the drainage wall from the far end to the near end, a first threaded rod penetrates through the three limiting devices, and a cross-shaped fixing shaft is fixedly arranged at the near end of the first threaded rod, the cross fixed axle overcoat is equipped with steering mechanism, the steering mechanism overcoat is equipped with the rubber sleeve, steering mechanism's the fixed second threaded rod that is provided with in near-end, second threaded rod overcoat is equipped with the rifle shell, the meshing of near-end one side of second threaded rod is provided with the helical gear, the helical gear center runs through and is provided with the fixed axle, the fixed handle that is provided with in both ends of fixed axle, the helical gear is close to the rifle shell with the breach department of handle is provided with the trigger, the trigger with be provided with the recovery spring between the handle, the trigger with the handle carries out the hub connection through the revolute pair.

Preferably, stop device includes fixed frame the both sides of fixed frame are all fixed and are provided with the slide rail, two the slide rail is kept away from the one end of fixed frame is all fixed and is provided with spacing post, two the slide rail all overlaps outward and is equipped with fan-shaped slider, two fan-shaped slider's opposite side is all fixed and is provided with first telescopic link, two fixed being provided with the slider between the first telescopic link.

Preferably, an internal thread is arranged in the sliding block, the sliding block is in sliding connection with the first threaded rod through threads, the parts, located on the three limiting devices, of the first threaded rod are provided with European external threads, the size of the sliding groove corresponding to the position of the limiting column is consistent with the height of the limiting column, and the size of the sliding groove corresponding to the position of the sliding rail is consistent with the thickness of the sector sliding block.

Preferably, the inner diameter and the outer diameter of the sector sliding blocks in the three limiting devices are consistent with the thickness, and the arc lengths of the three sector sliding blocks are sequentially increased from the far end to the near end.

Preferably, first threaded rod runs through threely the slider, the distal end of first threaded rod pass through stop nut with carry out swing joint between the solid fixed ring, first threaded rod overcoat is equipped with the sleeve.

Preferably, steering mechanism includes the iron wire dead lever, the iron wire dead lever is equipped with three cross pivot by distal end to near-end cover in proper order outward, two pivot of cross pivot all overlap outward and are equipped with first arc frame and second arc frame, a pivot overcoat of cross pivot is equipped with rotary joint.

Preferably, the iron wire fixing rod is formed by surrounding a plurality of iron wires, the mounting angles of the three rotary joints are different by ninety degrees, and the mounting angles of the three cross rotating shafts are different by ninety degrees.

Preferably, the top center of the first arc-shaped frame at the far end of the steering mechanism and the near end of the cross-shaped fixed shaft are fixed through welding, and the near end of the top center of the second arc-shaped frame at the near end of the steering mechanism and the far end of the second threaded rod are fixed through welding.

Preferably, a compression spring is fixedly arranged at one end, close to the helical gear, of the trigger, a second telescopic rod is arranged in the compression spring, and a beveled cylinder is fixedly arranged at the top ends of the second telescopic rod and the compression spring.

(III) advantageous effects

Compared with the prior art, the invention provides a multidirectional rotary ligation device capable of exciting elastic lines for multiple times, which has the following beneficial effects:

1. the multidirectional rotary ligation device capable of exciting elastic lines for multiple times is characterized in that a trigger is pressed down, so that the trigger rotates by taking a revolute pair as a circle center, when the trigger is pressed, the top end of the trigger moves outwards from a handle, at the moment, a bevel cylinder abuts against teeth of a bevel gear under the action of a compression spring, so that the bevel gear is driven to rotate inwards and outwards, a first threaded rod is driven to rotate, a cross fixed shaft is driven to rotate, a steering mechanism is driven to rotate, a second threaded rod is driven to rotate, the second threaded rod drives a sliding block to advance in the direction of the second threaded rod, the sliding block drives two fan-shaped sliding blocks to advance in the far end direction of the first threaded rod through the first telescopic rod, the first telescopic rod contracts simultaneously, so that the two fan-shaped sliding blocks move on a sliding rail, at the moment, the distance between the two fan-shaped sliding blocks is shortened, and the fan-shaped sliding blocks are completely retracted into a drainage wall, the force that hinders the shrink of first elastic coil disappears this moment, and first elastic coil contracts the root that glides to sick tissue along the drainage wall to carry out the ligation to the root of sick tissue, through stop device control elastic coil's release, avoided traditional ligation operation, the trouble that the packing ring dropped when repeated ligation.

2. This can arouse diversified rotatory ligation device of elastic line many times drives the helical gear through the trigger to drive second threaded rod, steering mechanism, first threaded rod in proper order, thereby the position of the fan-shaped slider among the control stop device has avoided utilizing the auxiliary rod to carry out the trouble of ligation in traditional ligation operation, can carry out one-man operation completely, the operation degree of difficulty of ligation device has significantly reduced, makes the operation more convenient.

3. The multidirectional rotary ligation device capable of exciting elastic lines for multiple times has the advantages that the sleeve and the gun shell are held, so that the iron wire fixing rod in the steering mechanism is bent to deform, the far end of the ligation device can change the angle, after a trigger is pressed down, the second threaded rod drives the second arc-shaped frame at the near end of the steering mechanism to rotate, the second arc-shaped frame at the near end of the steering mechanism drives the cross rotating shaft at the near end of the steering mechanism to rotate, the rotating joint at the near end of the steering mechanism drives the rotating joint in the middle of the steering mechanism, the rotating joint in the middle of the steering mechanism drives the rotating joint at the far end of the steering mechanism to rotate, the cross rotating shaft at the far end of the steering mechanism and the first arc-shaped frame at the far end of the steering mechanism are driven to rotate by the first arc-shaped frame, the fan-shaped sliding blocks in the limiting device are sequentially collected into the drainage wall, and the shape and the position of the iron wire fixing rod are kept unchanged in the whole rotating process, thereby the deformation of accessible iron wire dead lever realizes bending of different angles of ligation device distal end, and then is convenient for adjust each angle, can not influence the effect of helical gear to ligation device inner structure when changing the ligation device distal end angle of bending simultaneously through steering mechanism.

4. This can arouse diversified rotatory ligation device of elastic line many times can show the picture of drainage wall entrance in real time to the display screen through miniature camera head on, the degree of depth that comparatively audio-visual demonstration diseased tissue entered into the drainage wall to avoid the inner structure of ligation device to block the sight, lead to the user to clearly judge the concrete position that diseased tissue located, thereby avoid because the ligation that the judgement error leads to is not thorough, reduce the probability of postoperative relapse.

5. This can arouse diversified rotatory ligation ware of elastic line many times, the fixed oblique cylinder that is provided with in top through second telescopic link and compression spring, oblique cylinder's tangent plane is towards the rifle shell, when pressing the trigger and making the trigger use the revolute pair to rotate as the centre of a circle, oblique cylinder's pointed end can insert in the bevel gear tooth, thereby drive helical gear and rotate, when loosening the trigger, the trigger resets under the effect of recovery spring, the cylindrical tangent plane of in-process oblique cylinder that resets touches the bevel gear tooth, under the effect of chamfer, oblique cylinder extrusion compression spring, thereby make the trigger can not drive helical gear and rotate when resetting, if will reverse rotation helical gear must stretch into the hand and stir helical gear in the rifle shell 10, thereby can prevent user's maloperation.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the overall explosion of the present invention;

FIG. 3 is one of the intentions of the remote explosion of the present invention;

FIG. 4 illustrates a second intention of the remote explosion of the present invention;

FIG. 5 is a schematic perspective view of the spacing device of the present invention;

FIG. 6 is a perspective view of the steering mechanism of the present invention;

FIG. 7 is an overall exploded schematic view of the steering mechanism of the present invention;

FIG. 8 is a schematic representation of the proximal end perspective of the present invention;

FIG. 9 is an enlarged view taken at A of FIG. 8 in accordance with the present invention;

fig. 10 is a schematic illustration of the proximal explosion of the present invention.

In the figure: 1. sleeving an elastic thread; 2. an elastic coil; 3. a drainage wall; 4. a chute; 5. a limiting device; 501. a fixing frame; 502. a slide rail; 503. a limiting column; 504. a sector-shaped sliding block; 505. a first telescopic rod; 506. a slider; 6. a first threaded rod; 7. a cross-shaped fixed shaft; 8. a steering mechanism; 801. fixing a wire; 802. a cross-shaped rotating shaft; 803. a rotary joint; 804. a first arc frame; 805. a second arc frame; 9. a second threaded rod; 10. a gun housing; 11. a helical gear; 12. a fixed shaft; 13. a handle; 14. a trigger; 15. a restoring spring; 16. a revolute pair; 17. a fixing ring; 18. a limit nut; 19. a compression spring; 20. a miniature camera; 21. beveling the cylinder; 22. a rubber sleeve; 23. a second telescopic rod; 24. fixing the disc; 25. fixing a column; 26. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, a multi-directional rotary ligation device capable of exciting an elastic thread for multiple times comprises an elastic thread sleeve head 1 and an elastic coil 2, wherein the elastic coil 2 is sleeved at the thin end of the elastic thread sleeve head 1, a drainage wall 3 is sleeved outside one end of the elastic thread sleeve head 1 away from the thin end, sliding grooves 4 are respectively formed in two sides of the drainage wall 3, a fixing ring 17 is fixedly arranged in the far end of the drainage wall 3, a fixing disc 24 is arranged in the center of the fixing ring 17, the fixing disc 24 is fixedly connected with the fixing ring 17 through a fixing column 25, a limit nut 18 is arranged in the center of the fixing disc 24 in a penetrating manner, a miniature camera 20 is fixedly arranged in the drainage wall 3 at a position close to the sliding grooves 4 and the fixing ring 17, so that a picture of the drainage wall 3 can be displayed on a display screen in real time, thereby preventing the internal structure of the ligation device from blocking the sight line and causing that a user cannot clearly judge the specific position of a diseased tissue, thereby avoiding incomplete ligation caused by misjudgment and further reducing the probability of postoperative recurrence, three limiting devices 5 are sequentially arranged in the drainage wall 3 from the far end to the near end, a first threaded rod 6 is arranged in the three limiting devices 5 in a penetrating way, a cross fixed shaft 7 is fixedly arranged at the near end of the first threaded rod 6, a steering mechanism 8 is sleeved outside the cross fixed shaft 7, a rubber sleeve 22 is sleeved outside the steering mechanism 8, a second threaded rod 9 is fixedly arranged at the near end of the steering mechanism 8, a gun shell 10 is sleeved outside the second threaded rod 9, a helical gear 11 is meshed at one side of the near end of the second threaded rod 9, a fixed shaft 12 is arranged in the center of the helical gear 11 in a penetrating way, handles 13 are fixedly arranged at two ends of the fixed shaft 12, a trigger 14 is arranged at the position of the helical gear 11, which is close to a gap between the gun shell 10 and the handle 13, a restoring spring 15 is arranged between the trigger 14 and the handle 13, and the trigger 14 are connected through a revolute pair 16, therefore, the trigger 14 rotates by taking the revolute pair 16 as a circle center, when the trigger 14 is pressed, the top end of the trigger 14 moves outwards from the inside of the handle 13, at the moment, the chamfering cylinder 21 supports against the teeth of the bevel gear 11 under the action of the compression spring 19, so that the bevel gear 11 is driven to rotate from inside to outside, the first threaded rod 6 is driven to rotate, the cross fixing shaft 7 is driven to rotate, the steering mechanism 8 is driven to rotate, and the second threaded rod 9 is driven to rotate.

Further, stop device 5 all fixes being provided with slide rail 502 including the both sides of the fixed frame 501 of fixed frame 501, the one end that fixed frame 501 was kept away from to two slide rails 502 is all fixed and is provided with spacing post 503, thereby prevent that fan-shaped slider 504 from breaking away from slide rail 502, two slide rails 502 all overlap outward and be equipped with fan-shaped slider 504, the opposite side of two fan-shaped sliders 504 is all fixed and is provided with first telescopic link 505, the fixed slider 506 that is provided with between two first telescopic links 505, thereby make slider 506 drive two fan-shaped sliders 504 through first telescopic link 505 and advance on the distal end direction of first threaded rod 6, first telescopic link 505 shrink simultaneously, make two fan-shaped sliders 504 move on slide rail 502, thereby change the distance between two fan-shaped sliders 504.

Further, be provided with the internal thread in the slider 506, carry out sliding connection through the screw between slider 506 and the first threaded rod 6 to make second threaded rod 9 drive slider 506 and advance in the direction of second threaded rod 9, the part that first threaded rod 6 is located three stop device 5 sets up european external screw thread, the size that the spout 4 corresponds spacing post 503 position department is unanimous with the height of spacing post 503, the size that the spout 4 corresponds slide rail 502 position department is unanimous with the thickness of fan-shaped slider 504.

Further, the inner and outer diameters of the sector-shaped sliding blocks 504 in the three limiting devices 5 are consistent with the thickness, and the arc lengths of the three sector-shaped sliding blocks 504 are sequentially increased from the far end to the near end. In addition, in specific application, the thread lengths of the first threaded rod 6 at the positions of the three limiting devices 5 are sequentially increased from the far end to the near end.

Further, the first threaded rod 6 penetrates through the three sliding blocks 506, the far end of the first threaded rod 6 is movably connected with the fixing ring 17 through the limiting nut 18, and the sleeve 26 is sleeved outside the first threaded rod 6. In addition, during specific application, be provided with the vacuum tube in the sleeve 26, the inlet of vacuum tube at drainage wall 3 is fixed and sealed drainage wall 3 is sealed to the entrance of vacuum tube to make the thing that gets into from drainage wall 3 all enter into the vacuum tube, this vacuum vessel is the prior art of ligation device, does not do the repeated description here.

Further, the steering mechanism 8 includes an iron wire fixing rod 801, three cross rotating shafts 802 are sequentially sleeved outside the iron wire fixing rod 801 from the far end to the near end, a first arc-shaped frame 804 and a second arc-shaped frame 805 are sleeved outside two rotating shafts of the cross rotating shafts 802, and a rotating joint 803 is sleeved outside one rotating shaft of the cross rotating shafts 802.

Further, the iron wire fixing rod 801 is formed by winding a plurality of iron wires, the installation angles of the three rotary joints 803 are different by ninety degrees, and the installation angles of the three cross rotating shafts 802 are different by ninety degrees.

Furthermore, the top center of the first arc frame 804 at the far end of the steering mechanism 8 and the near end of the cross fixing shaft 7 are fixed by welding, the near end of the top center of the second arc frame 805 at the near end of the steering mechanism 8 and the far end of the second threaded rod 9 are fixed by welding, after the trigger 14 is pressed down, the second threaded rod 9 drives the second arc frame 805 at the near end of the steering mechanism 8 to rotate, so that the second arc frame 805 at the near end of the steering mechanism 8 drives the cross rotating shaft 802 at the near end of the steering mechanism 8 to rotate, the rotating joint 803 at the near end of the steering mechanism 8 drives the rotating joint 803 in the middle of the steering mechanism 8, the rotating joint 803 in the middle of the steering mechanism 8 drives the rotating joint 803 at the far end of the steering mechanism 8 to rotate, so that the cross rotating shaft 802 at the far end of the steering mechanism 8 and the first arc frame 804 at the far end of the steering mechanism 8 are driven by the first arc frame 804 to rotate the first threaded rod 6, so that the sector-shaped sliding blocks 504 in the limiting device 5 are sequentially received in the drainage wall 3.

Further, a compression spring 19 is fixedly arranged at one end of the trigger 14 close to the bevel gear 11, a second telescopic rod 23 is arranged in the compression spring 19, a beveled cylinder 21 is fixedly arranged at the top end of the second telescopic rod 23 and the top end of the compression spring 19, the tangent plane of the beveled cylinder 21 faces the gun housing 10, when the trigger 14 is pressed to enable the trigger 14 to rotate by taking the revolute pair 16 as the circle center, the tip of the beveled cylinder 21 can be inserted into the teeth of the bevel gear 11 to drive the bevel gear 11 to rotate, when the trigger 14 is released, the trigger 14 resets under the action of the recovery spring 15, the tangent plane of the beveled cylinder 21 touches the teeth of the bevel gear 11 in the resetting process, under the action of the beveled plane, the beveled cylinder 21 extrudes the compression spring 19, and the trigger 14 cannot drive the bevel gear 11 to rotate when resetting.

The working principle is as follows: when the medical glove is used, a user wears medical gloves after self disinfection, and continuously presses down the trigger 14, so that the trigger 14 rotates by taking the revolute pair 16 as a circle center, when the trigger 14 is pressed, the top end of the trigger 14 moves outwards from the inside of the handle 13, at the moment, the inclined cutting cylinder 21 supports against the teeth of the bevel gear 11 under the action of the compression spring 19, so that the bevel gear 11 is driven to rotate from inside to outside, and further the first threaded rod 6 is driven to rotate, so that the cross fixing shaft 7 is driven to rotate, further the steering mechanism 8 is driven to rotate, then the second threaded rod 9 is driven to rotate, the second threaded rod 9 further drives the sliding block 506 to move forwards in the direction of the second threaded rod 9, the sliding block 506 drives the two fan-shaped sliding blocks 504 to move forwards in the direction of the far end of the first threaded rod 6 through the first telescopic rod 505, so that the two fan-shaped sliding blocks 504 move on the sliding rail 502, at the moment, the distance between the two fan-shaped sliders 504 is shortened, so that the fan-shaped sliders 504 are completely retracted into the drainage wall 3, at the moment, the elastic coil 2 at the thin end of the elastic thread loop 1 is stroked up in the direction of the proximal end of the ligation device by hand, the elastic coil 2 rolls on the surface of the elastic thread loop 1 and rolls through the transition section between the thin end and the thick end of the elastic thread loop 1, the first elastic coil 2 rolls to the fan-shaped slider 504 of the proximal limiting device 5 along the surface of the drainage wall 3, then the bevel gear 11 is rotated in the opposite direction, so that the first transmission rod rotates in the opposite direction, the limiting device 5 retracts the fan-shaped sliders 504 into the drainage wall 3 according to the reverse operation, and when the first elastic coil 2 is clamped at the fan-shaped slider 504 at the proximal end, the fan-shaped sliders 504 of the intermediate limiting device 5 should be ensured not to protrude out of the drainage wall 3, so that the second elastic coil 2 can be clamped at the sector sliding block 504 of the middle limiting device 5 according to the above steps, the above steps are repeated to clamp the third elastic coil 2 at the sector sliding block 504 at the far end, at this time, the limiting device 5 and the helical gear 11 recover to the initial state, after the elastic thread sleeve head 1 is removed, the far end of the drainage wall 3 is aligned to the position to be sleeved and tied, the diseased tissue is absorbed through the vacuum tube inside the ligation device, so that the diseased tissue is sucked into the drainage wall 3, then the trigger 14 is pressed down, so that the trigger 14 rotates by taking the revolute pair 16 as the center of a circle, when the trigger 14 is pressed, the top end of the trigger 14 moves outwards from the inside of the handle 13, at this time, the oblique cylinder 21 abuts against the teeth of the helical gear 11 under the action of the compression spring 19, so as to drive the helical gear 11 to rotate from inside to outside, and further drive the first threaded rod 6 to rotate, so as to drive the cross fixing shaft 7 to rotate, then the steering mechanism 8 is driven to rotate, then the second threaded rod 9 is driven to rotate, the second threaded rod 9 drives the sliding block 506 to advance in the direction of the second threaded rod 9, the sliding block 506 drives the two fan-shaped sliding blocks 504 to advance in the far end direction of the first threaded rod 6 through the first telescopic rod 505, meanwhile, the first telescopic rod 505 contracts, so that the two fan-shaped sliding blocks 504 move on the sliding rail 502, at the moment, the distance between the two fan-shaped sliding blocks 504 is shortened, so that the fan-shaped sliding blocks 504 are completely retracted into the drainage wall 3, at the moment, the force for obstructing the contraction of the first elastic coil 2 disappears, the first elastic coil 2 contracts and slides down to the root of the diseased tissue along the drainage wall 3, so as to perform ligation on the root of the diseased tissue, at the moment, the vacuum tube is closed, so that the diseased tissue is released from the drainage wall 3, and then the next tissue block is subjected to ligation according to the above steps, or the trigger 14 is continuously pressed down, the first threaded rod 6, the second threaded rod 9, the steering mechanism 8 and the limiting device 5 are made to repeat the steps, so that the second elastic coil 2 performs secondary ligation on the root of the diseased tissue, if a user needs to change the angle of the top end of the ligation device to facilitate operation in the process of using the ligation device, the sleeve 26 and the gun shell 10 can be held, so that the iron wire fixing rod 801 in the steering mechanism 8 is bent to deform, so that the distal end of the ligation device can change the angle, at the moment, after the trigger 14 is pressed according to the steps, the second threaded rod 9 drives the second arc-shaped frame 805 at the proximal end of the steering mechanism 8 to rotate, so that the second arc-shaped frame 805 at the proximal end of the steering mechanism 8 drives the cross rotating shaft 802 at the proximal end of the steering mechanism 8 to rotate, the rotating joint 803 at the proximal end of the steering mechanism 8 drives the rotating joint 803 at the middle of the steering mechanism 8, and the rotating joint 803 at the middle of the steering mechanism 8 drives the rotating joint 803 at the distal end of the steering mechanism 8, thereby it is rotatory with the first arc frame 804 of 8 distal ends of steering mechanism to drive the cross pivot 802 of 8 distal ends of steering mechanism to drive first threaded rod 6 through first arc frame 804 and rotate, thereby make fan-shaped slider 504 among the stop device 5 take in drainage wall 3 in proper order, whole rotatory in-process iron silk dead lever 801 keeps shape and position unchangeable. In addition, during specific application, miniature camera 20 can show the picture of 3 entrances of drainage wall in real time to the display screen on to avoid the inner structure of ligation device to block the sight, lead to the user to judge the specific position that sick tissue was located clearly, thereby avoid because the ligation that the judgement error leads to is incomplete, reduce the probability of postoperative relapse.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can arouse diversified rotatory ligation device of elastic wire many times, includes elastic wire pullover (1) and elastic coil (2), elastic coil (2) cover is at the thin head end of elastic wire pullover (1), its characterized in that: the elastic thread sleeve head (1) is sleeved with a drainage wall (3) far away from one end of the thin head end, sliding grooves (4) are formed in two sides of the drainage wall (3), a fixing ring (17) is fixedly arranged at the far end of the drainage wall (3), a fixing disc (24) is arranged at the center of the fixing ring (17), the fixing disc (24) is fixedly connected with the fixing ring (17) through a fixing column (25), a limiting nut (18) penetrates through the center of the fixing disc (24), a miniature camera (20) is fixedly arranged at the position, close to the sliding grooves (4) and the fixing ring (17), of the drainage wall (3), three limiting devices (5) are sequentially arranged from the far end to the near end of the drainage wall (3), a first threaded rod (6) penetrates through the limiting devices (5), and a cross fixing shaft (7) is fixedly arranged at the near end of the first threaded rod (6), the outer cover of cross fixed axle (7) is equipped with steering mechanism (8), steering mechanism (8) outer cover is equipped with rubber sleeve (22), the fixed second threaded rod (9) that is provided with in near-end of steering mechanism (8), second threaded rod (9) outer cover is equipped with gun case (10), the meshing of near-end one side of second threaded rod (9) is provided with helical gear (11), helical gear (11) center is run through and is provided with fixed axle (12), the fixed handle (13) that is provided with in both ends of fixed axle (12), helical gear (11) are close to gun case (10) with the breach department of handle (13) is provided with trigger (14), trigger (14) with be provided with between handle (13) and resume spring (15), trigger (14) with handle (13) carry out the hub connection through revolute pair (16).

2. The multi-azimuth rotary ligation device capable of exciting elastic wires for multiple times according to claim 1, wherein: stop device (5) are including fixed frame (501) the both sides of fixed frame (501) are all fixed and are provided with slide rail (502), two slide rail (502) are kept away from the one end of fixed frame (501) is all fixed and is provided with spacing post (503), two slide rail (502) all overlap outward and are equipped with fan-shaped slider (504), two the opposite side of fan-shaped slider (504) is all fixed and is provided with first telescopic link (505), two fixed slider (506) that is provided with between first telescopic link (505).

3. The multi-azimuth rotary ligation device capable of exciting elastic wires multiple times according to claim 2, wherein: be provided with the internal thread in slider (506), slider (506) with carry out sliding connection through the screw between first threaded rod (6), first threaded rod (6) are located three the part of stop device (5) sets up european external screw thread, spout (4) correspond the size of spacing post (503) position department with the highly uniform of spacing post (503), spout (4) correspond the size of slide rail (502) position department with the thickness of fan-shaped slider (504) is unanimous.

4. The multi-orientation rotary ligation device capable of exciting elastic wires multiple times according to claim 3, wherein: the inner diameter and the outer diameter of the sector sliding blocks (504) in the three limiting devices (5) are consistent with the thickness, and the arc lengths of the three sector sliding blocks (504) are sequentially increased from the far end to the near end.

5. The multi-orientation rotary ligation device capable of exciting elastic wires multiple times according to claim 4, wherein: first threaded rod (6) run through threely slider (506), the distal end of first threaded rod (6) is passed through stop nut (18) with carry out swing joint between solid fixed ring (17), first threaded rod (6) overcoat is equipped with sleeve (26).

6. The multi-orientation rotary ligation device capable of exciting elastic wires multiple times according to claim 5, wherein: steering mechanism (8) include iron wire dead lever (801), iron wire dead lever (801) is outer to be equipped with three cross pivot (802) by distal end to near-end cover in proper order, two pivot of cross pivot (802) are all overlapped outward and are equipped with first arc frame (804) and second arc frame (805), a pivot overcoat of cross pivot (802) is equipped with rotary joint (803).

7. The multi-orientation rotary ligation device capable of exciting elastic wires multiple times according to claim 6, wherein: the iron wire fixing rod (801) is formed by surrounding a plurality of iron wires, the mounting angles of the three rotary joints (803) are different by ninety degrees, and the mounting angles of the three cross rotating shafts (802) are different by ninety degrees.

8. The multi-orientation rotary ligation device capable of exciting elastic wires multiple times according to claim 7, wherein: the top end center of a first arc-shaped frame (804) at the far end of the steering mechanism (8) and the near end of the cross fixing shaft (7) are fixed through welding, and the near end of the top end center of a second arc-shaped frame (805) at the near end of the steering mechanism (8) and the far end of the second threaded rod (9) are fixed through welding.

9. The multi-orientation rotary ligation device capable of exciting elastic wires multiple times according to claim 8, wherein: one end of the trigger (14) close to the helical gear (11) is fixedly provided with a compression spring (19), a second telescopic rod (23) is arranged in the compression spring (19), and the top ends of the second telescopic rod (23) and the compression spring (19) are fixedly provided with a beveled cylinder (21).