CN113499113B

CN113499113B - Multi-azimuth rotary ligation device capable of exciting elastic line for multiple times

Info

Publication number: CN113499113B
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: 2023-01-17
Anticipated expiration: 2041-07-05
Also published as: CN113499113A

Abstract

The invention discloses a multidirectional rotary ligation device capable of exciting an elastic wire for multiple times, which 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 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 penetrates through the center of the fixing disc, 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 penetrates through the three limiting devices, the ligation device prevents a gasket from falling off, the workload and the operation difficulty of a doctor are reduced, the ligation device can be operated by one person, the operation angle is changed, the probability of postoperative recurrence is reduced, and the 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 utilizing gaskets, when the coils are excited, the corresponding gaskets can also fall, the other mode is to pull the elastic coils by utilizing auxiliary rods (traction rods), and then the elastic coils are tensioned by utilizing 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:

the utility model provides a can arouse diversified rotatory ligation device of elastic wire many times, includes elastic wire pullover and elastic coil, and elastic coil overlaps the thin head end at elastic wire pullover, the one end overcoat that the thin head end was kept away from to elastic wire pullover is equipped with the drainage wall, the spout has all been seted up to the both sides of drainage wall, the distal end internal fixation of drainage wall is provided with solid fixed ring, gu the fixed ring center is provided with the fixed disk, the fixed disk with carry out fixed connection through the fixed column between the solid fixed ring, the center of fixed disk is run through and is provided with stop nut, be close to in the drainage wall the spout with gu the fixed ring's rigidity is provided with miniature camera, it has set gradually three stop device toward the near-end from the distal end in the drainage wall, it is three to run through being provided with first threaded rod among the stop device, the near-end of first threaded rod is fixed and is provided with the cross fixed axle, the cross fixed axle overcoat is equipped with steering mechanism, the steering mechanism overcoat is equipped with the rubber sleeve, the near-end fixation of steering mechanism is fixed and is provided with the second threaded rod, the second overcoat is equipped with the rifle shell, the meshing is provided with the handle, the bevel gear is provided with the handle, the trigger shell is provided with the handle through the spring handle, the handle of the trigger is connected with the handle that rotates.

Preferably, stop device is including 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 the 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 all three rotary joints are ninety degrees apart, and the mounting angles of all three cross-shaped rotary shafts are ninety degrees apart.

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 multi-azimuth rotary ligation device capable of exciting the elastic line for multiple times is characterized in that the 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 the inside of a handle, at the moment, a bevel cylinder supports the teeth of a bevel gear under the action of a compression spring, the bevel gear is driven to rotate from inside to outside, a second threaded rod is driven to rotate, a cross fixing shaft is driven to rotate, a steering mechanism is driven to rotate, a first threaded rod is driven to rotate, the first threaded rod drives a sliding block to advance in the direction of the first threaded rod, the sliding block drives two fan-shaped sliding blocks to advance in the direction of the distal end of the first threaded rod through the first telescopic rod, the first telescopic rod contracts, the two fan-shaped sliding blocks move on a sliding rail, the distance between the two fan-shaped sliding blocks is shortened at the moment, the fan-shaped sliding blocks are completely retracted into a drainage wall, the force for hindering contraction of the first elastic coil disappears at the moment, the first elastic coil contracts and slides downwards along the drainage wall to the root of a diseased tissue, the root of the diseased tissue, the diseased tissue is ligated by controlling the release of the elastic coil through a limiting device, and the trouble of the traditional ligation washer during the ligation is avoided.

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 rotating ligation device capable of exciting elastic lines for multiple times is characterized in that a sleeve and a gun shell are held, so that an iron wire fixing rod in a steering mechanism is bent to deform, the far end of the ligation device can change angles, after a trigger is pressed down, a second threaded rod drives a 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 a cross rotating shaft at the near end of the steering mechanism to rotate, a rotating joint at the near end of the steering mechanism drives a rotating joint in the middle of the steering mechanism, the rotating joint in the middle of the steering mechanism drives a rotating joint at the far end of the steering mechanism, the cross rotating shaft at the far end of the steering mechanism and a first arc-shaped frame at the far end of the steering mechanism are driven to rotate, the first threaded rod is driven to rotate through the first arc-shaped frame, a fan-shaped sliding block in a limiting device is sequentially retracted into a drainage wall, the iron wire fixing rod keeps unchanged shape and position in the whole rotating process, and bending of the far end of the ligation device at different angles can be realized through the deformation of the iron wire fixing rod, and the adjustment of each angle can be conveniently, and the ligation device can be changed while the ligation device can not influence the inner bending angle of the inner structure of the ligation device at the far end of the ligation device through the ligation device.

4. This diversified rotatory ligation device that can arouse elastic line many times can show the picture of drainage wall entrance in real time on the display screen through miniature camera head, and the sick tissue of comparatively audio-visual demonstration enters into the degree of depth of drainage wall to the inner structure who avoids the ligation device blocks the sight, leads to the user to clearly judge the concrete position that sick tissue was located, thereby avoids because the ligation that judgement error leads to is not thorough, reduces the probability that the postoperative relapses.

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, and a restoring spring 15 is arranged between the trigger 14 and the handle 13, trigger 14 carries out the hub connection through revolute pair 16 with handle 13 to make trigger 14 use revolute pair 16 to rotate as the centre of a circle, when trigger 14 received to press, the top of trigger 14 was from handle 13 inside out motion, chamfer cylinder 21 supported the tooth of helical gear 11 under compression spring 19's effect this moment, thereby drive helical gear 11 and from inside to outside rotate, and then drive second threaded rod 9 and rotate, thereby it is rotatory to drive cross fixed axle 7, and then drive steering mechanism 8 and rotate, drive first threaded rod 6 again and 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 being 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 are equipped with fan-shaped slider 504, the opposite side of two fan-shaped slider 504 is all fixed being 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 slider 504 through first telescopic link 505 and advance toward the distal end direction of first threaded rod 6, first telescopic link 505 shrink simultaneously, make two fan-shaped slider 504 move on slide rail 502, thereby change the distance between two fan-shaped slider 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 three limiting devices 5 increase 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.

Further, the top center of the 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 by welding, the near end of the top center of the 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 by welding, after the trigger 14 is pressed down, the second threaded rod 9 drives the second arc-shaped frame 805 at the near end of the steering mechanism 8 to rotate, so that the second arc-shaped 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, so that the cross rotating shaft 802 at the far end of the steering mechanism 8 and the first arc-shaped frame 804 at the far end of the steering mechanism 8 rotate, and the first threaded rod 6 is driven by the first arc-shaped frame 804 to rotate, so that the fan-shaped slider 504 in the limiting device 5 is sequentially received into 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 second threaded rod 9 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 first threaded rod 6 is driven to rotate, the first threaded rod 6 further drives the sliding block 506 to advance in the direction of the first threaded rod 6, the sliding block 506 drives the two fan-shaped sliding blocks 504 to advance in the direction of the far end of the first threaded rod 6 through the first telescopic rod 505, and meanwhile, 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 steps, the steps are repeated, so that the third elastic coil 2 is clamped at the sector sliding block 504 at the far end, at the moment, the limiting device 5 and the bevel 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 pricked, 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 rotating 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 the moment, the oblique cutting cylinder 21 abuts against the teeth of the bevel gear 11 under the action of the compression spring 19, so as to drive the bevel gear 11 to rotate from inside to outside, and further drive the second threaded rod 9 to rotate, so as to drive the cross fixing shaft 7 to rotate, then the steering mechanism 8 is driven to rotate, then the first threaded rod 6 is driven to rotate, the first threaded rod 6 drives the sliding block 506 to advance in the direction of the first threaded rod 6, 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 steps, or the trigger 14 is continuously pressed down, so that the first threaded rod 6, the second threaded rod 9, the steering mechanism 8 and the limiting device 5 repeat the steps, the second elastic coil 2 performs secondary ligation on the root of the diseased tissue, if a user needs to change the angle at the top end of the ligation device to facilitate operation in the process of using the ligation device, the sleeve 26 and the gun case 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 this time, after the trigger 14 is pressed down 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 end of the steering mechanism 8 to drive the rotating joint 803 at the distal end of the steering mechanism 8 to rotate, so as to drive the rotating joint 803 at the cross rotating shaft 802 at the distal end of the first arc-shaped frame 804 and the first threaded rod 804 and the limiting device 5 to rotate, so that the whole rotating rod 804 and the wall of the limiting device 3 do not change the shape of the fan-shaped drainage device into the whole drainage device 3. 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) at one end far away from the thin end, sliding grooves (4) are 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 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 limit nut (18) penetrates through the center of the fixing disc (24), a miniature camera (20) is fixedly arranged at a position, close to the sliding grooves (4) and the fixing ring (17), in the drainage wall (3) from the far end to the near end, three limiting devices (5) are sequentially arranged in the drainage wall, a first threaded rod (6) penetrates through the three limiting devices (5), a cross fixing shaft (7) is fixedly arranged at the near end of the first threaded rod (6), a steering mechanism (8) is sleeved outside the cross fixing 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 second threaded rod (9) is sleeved outside a gun shell (10), and a gun shell (11) is arranged on one side, bevel gear (11) center runs through and is provided with fixed axle (12), the fixed handle (13) that is provided with in both ends of fixed axle (12), bevel gear (11) are close to rifle shell (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), 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 and are equipped with fan-shaped slider (504), two the opposite side of fan-shaped slider (504) all is fixed and is provided with first telescopic link (505), two fixed between first telescopic link (505) is provided with slider (506), be provided with the internal thread in slider (506), slider (506) with carry out sliding connection through the screw thread between first threaded rod (6), first threaded rod (6) the position of the three external screw thread position of the corresponding of the position of spacing post (503) and the position of the three spout (503) is located the spacing post (503) and the position of the three position of the spacing post (503) are located the spacing post (503) and the position of the fixed and the slide rail (503) are all be provided with spacing post (503) and the fixed and be provided with spacing post (503) are all be provided with spacing post (503) It is unanimous, spout (4) correspond the size of slide rail (502) position department with the thickness of fan-shaped slider (504) is unanimous, three inside and outside footpath of fan-shaped slider (504) in stop device (5) is unanimous with thickness, three the arc length of fan-shaped slider (504) increases from the distal end toward the near-end in proper order, first threaded rod (6) run through threely slider (506), the distal end of first threaded rod (6) passes through stop nut (18) with carry out swing joint between solid fixed ring (17), first threaded rod (6) overcoat is equipped with sleeve (26), steering mechanism (8) include iron wire dead lever (801), iron wire dead lever (801) is outer by distal end to near-end in proper order the cover and is equipped with three cross pivot (802), two pivot outer all overlaps of cross pivot (802) 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), fixed lever (801) is surrounded by a plurality of iron wire and is constituteed the difference in the difference of rotary wire (803, ninety degree installation angle difference (ninety degree) three homogeneous phase angle (ninety degree.

2. The multi-azimuth rotary ligation device capable of exciting elastic wires for multiple times according to claim 1, 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.

3. The multi-azimuth rotary ligation device capable of exciting elastic wires multiple times according to claim 2, 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 a beveled cylinder (21) is fixedly arranged at the top ends of the second telescopic rod (23) and the compression spring (19).