CN216602978U

CN216602978U - Rotatable hemostatic clamp

Info

Publication number: CN216602978U
Application number: CN202122873923.6U
Authority: CN
Inventors: 高良庆; 房昭雄
Original assignee: Fifth Affiliated Hospital of Sun Yat Sen University
Current assignee: Fifth Affiliated Hospital of Sun Yat Sen University
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-27
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a rotatable hemostatic clamp which comprises a barrel, wherein a rotary groove is formed in the barrel, one end of the rotary groove is of an open structure, a rotary rod is rotatably connected in the rotary groove, one end of the rotary rod penetrates through the rotary groove and is fixedly connected with a rotary head, one end of the rotary head, which is far away from the barrel, is fixedly connected with a long rod, the end part of the long rod is fixedly connected with a clamp assembly, the clamp assembly and the long rod form an included angle of one hundred twenty degrees, a large gear is fixedly sleeved on the outer side of the rotary rod, and a first gear groove is formed in the barrel corresponding to the position of the large gear. The clamp assembly and the long rod form an oblique direction with an angle of one hundred twenty degrees, the angle of the clamp assembly is not required to be adjusted without changing the angle of the long rod, and the clamp assembly is driven to rotate by the shifting wheel and can reach focus positions at different positions, so that the condition that a hemostatic clamp rod body is easy to touch a cut part when the angle of a traditional straight hemostatic clamp is adjusted is avoided, and meanwhile, the angle adjustment is more visual and convenient and is convenient to operate.

Description

Rotatable hemostatic clamp

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a rotatable hemostatic clamp.

Background

The hemostasis of the hemostatic clamp under the endoscope refers to a hemostasis method for directly clamping and closing a hemorrhagic blood vessel and a focus visible to the naked eye by feeding a metal clamp (a titanium clamp) through an endoscope pore channel. The hemostatic effect is achieved by clamping blood vessels and surrounding tissues, the hemostatic principle is similar to surgical blood vessel suture or ligation, the mechanical method is adopted, and coagulation, denaturation and necrosis of mucous membrane tissues are not caused. After the hemostatic treatment by the metal clip, the local tissue forms granuloma through the inflammation process, and the granuloma falls off automatically and is discharged out of the body through the digestive tract. This operation has the damage little, it is fast to stanch, the incidence of bleeding again is low, the complication is few, advantages such as curative effect is exact, hemostatic clamp is when using, need advance the incision at corresponding focus position, the clip reaches the focus position through the incision, clip focus position bleeding point, when its centre gripping stanchs, in order to press from both sides the locking with stanching, need press from both sides the inwards more removal of handle of hemostatic clamp a segment, make the latch hook intercrossing of hemostatic clamp handle position department, then loosen again, realize that the latch hook colludes each other and establish, at this in-process, the head of hemostatic clamp can have an excessive clamping-force to the tissue that needs hemostatic part, arouse patient's discomfort easily.

In contrast, the chinese patent with the publication number CN113440207A discloses a hemostatic clamp, which relates to the technical field of medical equipment, and the tail end of each clamping piece is integrally formed with a tail hook; the pull rod head end is integrally formed with an upper buckling position and a lower buckling position, and the tail hook is buckled in the buckling positions; an upper open slot and a lower open slot are formed in the outer annular wall of the bracket, the tail hook is movably clamped in the open slots, a front bending piece and a rear bending piece are integrally formed at the tail end of the bracket, and the outer wall of the arc part at the tail part of the clamping piece is arranged on the inner annular wall of the head port of the bracket in a butting manner; the head end of the shaft sleeve is inserted into the tail end of the support, and the boss at the head end of the shaft sleeve is arranged adjacent to the tail end of the support; the mandrel is inserted into the shaft sleeve, and the head end of the mandrel is provided with a front clamping groove and a rear clamping groove; the bending sheet passes through the notches on the front side wall and the rear side wall of the head end of the shaft sleeve and then is clamped with the clamping groove; the head end of the butt joint pipe passes through the mandrel and then is fixed with the tail end of the pull rod.

This hemostatic clamp is when hemostasis locking, can not appear the phenomenon of excessive centre gripping, can not cause the discomfort to the patient, and convenient operation can be widely used, but this hemostatic clamp's chuck position is located same straight line with the body of rod, for the tradition setting, when reacing the focus position, often needs angle of adjustment, and this just needs adjustment support angular position, touches the incision position easily, aggravates patient's misery to angular adjustment is directly perceived inadequately, relies on user's experience very much.

We propose a rotatable hemostatic clamp for this purpose to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a rotatable hemostatic clamp to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a rotatable hemostatic clamp comprises a barrel body, wherein a rotary groove is formed in the barrel body, one end of the rotary groove is of an open structure, a rotary rod is rotatably connected in the rotary groove, one end of the rotary rod penetrates through the rotary groove and is fixedly connected with a rotary head, one end of the rotary head, far away from the barrel body, is fixedly connected with a long rod, the end part of the long rod is fixedly connected with a clamp assembly, and the clamp assembly and the long rod form an included angle of one hundred twenty degrees;

the outer side of the rotating rod is fixedly sleeved with a large gear, a first gear groove is formed in the position, corresponding to the large gear, in the barrel, a second gear groove is formed in the side wall, located in the first gear groove, in the barrel, a small gear is connected in the second gear groove in a rotating mode, the small gear is connected with the large gear in a meshed mode, a first groove is formed in the side wall of the barrel, a shifting wheel is connected in the first groove in a rotating mode, a connecting rod is fixedly connected to the rotating shaft of the shifting wheel, and the connecting rod is fixedly connected to the rotating shaft of the small gear.

Preferably, the outer side of the rotating rod is fixedly connected with a first rotating wheel, the outer side wall of the first rotating wheel is fixedly connected with a scale ring, scale marks are arranged on the scale ring, and a first rotating wheel groove is formed in the inner side of the cylinder body corresponding to the position of the first rotating wheel.

Preferably, a second open groove is formed in the surface of the cylinder body corresponding to the first runner groove, the second open groove is communicated with the first runner groove, and the top surface of the second open groove is fixedly embedded in the glass window.

Preferably, the outer side of the rotating rod is fixedly sleeved with a ratchet wheel, a ratchet wheel groove is formed in the barrel body corresponding to the ratchet wheel, a notch is formed in the barrel body and located on the outer side of the ratchet wheel groove, the notch is communicated with the ratchet wheel groove, a ratchet elastic sheet is fixedly connected to the top surface of the inner side of the notch, and the ratchet elastic sheet is clamped in any tooth groove of the ratchet wheel.

Preferably, the clip assembly comprises a fixing rod fixedly connected to the end of the long rod, the fixing rod and the long rod form an included angle of one hundred twenty degrees, a clip groove is formed in one end, far away from the long rod, of the fixing rod, and two clips are rotatably connected in the clip groove.

Preferably, the fixing rod is internally provided with a miniature remote control motor fixedly connected with the position of the clamping piece slot, a worm is fixedly connected with the rotating shaft of the miniature remote control motor, two worm wheels are fixedly connected with the rotating shaft of the clamping piece respectively, and the worm is positioned between the two worm wheels and is connected with the two worm wheels in a meshing manner.

Preferably, one end of the barrel, which is far away from the rotating head, is fixedly connected with a handle, the end part of the handle is slidably inserted with a remote control button, the remote control button controls the micro remote control motor to be opened and closed, two finger handles are fixedly connected to two sides of the handle respectively, a second rotating wheel is fixedly sleeved on the outer side wall of the rotating rod, and a second rotating wheel groove is formed in the barrel corresponding to the position of the second rotating wheel.

Compared with the prior art, the utility model has the beneficial effects that:

the clamp assembly and the long rod form an oblique direction with an angle of one hundred twenty degrees, the angle of the clamp assembly is not required to be adjusted without changing the angle of the long rod, and the clamp assembly is driven to rotate by the shifting wheel and can reach focus positions at different positions, so that the condition that a hemostatic clamp rod body is easy to touch a cut part when the angle of a traditional straight hemostatic clamp is adjusted is avoided, and meanwhile, the angle adjustment is more visual and convenient and is convenient to operate.

Drawings

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

FIG. 2 is a schematic view of a cut-away connection at the barrel of the present invention;

FIG. 3 is an enlarged view of the clip assembly of the present invention in a cutaway configuration.

In the figure: 1. a barrel; 2. a rotating rod; 3. a clip assembly; 4. a handle; 11. rotating the groove; 12. a first gear groove; 13. a second gear groove; 14. a pinion gear; 15. a first slot; 16. a thumb wheel; 17. a connecting rod; 18. a second slot; 19. a glass window; 110. a ratchet groove; 111. a notch; 112. a ratchet spring plate; 113. a first runner groove; 114. a second runner groove; 21. a bull gear; 22. a first runner; 23. a scale ring; 24. scale lines; 25. a ratchet wheel; 26. a second runner; 27. turning the head; 28. a long rod; 31. fixing the rod; 32. a clamping groove; 33. a clip; 34. a worm gear; 35. a miniature remote control motor; 36. a worm; 41. a finger grip; 42. a remote control button.

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.

Example 1:

referring to fig. 1-3, the present invention provides a technical solution: a rotatable hemostatic clamp comprises a barrel body 1, wherein a rotary groove 11 is formed in the barrel body 1, one end of the rotary groove 11 is of an open structure, a rotary rod 2 is rotatably connected in the rotary groove 11, one end of the rotary rod 2 penetrates through the rotary groove 11 and is fixedly connected with a rotary head 27, one end, away from the barrel body 1, of the rotary head 27 is fixedly connected with a long rod 28, the end part of the long rod 28 is fixedly connected with a clamp component 3, and the clamp component 3 and the long rod 28 form an included angle of one hundred twenty degrees;

the outside of bull stick 2 is fixed cup joints gear wheel 21, barrel 1 is inside to set up first gear groove 12 corresponding to gear wheel 21 position, barrel 1 is inside to be located first gear groove 12 lateral wall and to set up second gear groove 13, second gear groove 13 internal rotation connects pinion 14, pinion 14 meshes and connects gear wheel 21, barrel 1 lateral wall sets up first fluting 15, first fluting 15 internal rotation connects thumb wheel 16, thumb wheel 16 pivot department rigid coupling connecting rod 17, connecting rod 17 rigid coupling pinion 14 pivot department, when using, can make thumb wheel 16 rotate through stirring thumb wheel 16, and then drive pinion 14 and rotate, pinion 14 drives bull stick 2 through gear wheel 21 and rotates, and then make clip subassembly 3 rotate, be convenient for adjust the angle of the position of cliping.

Example 2:

referring to fig. 2, the outer side of the rotating rod 2 is fixedly connected with a first rotating wheel 22, the outer side of the first rotating wheel 22 is fixedly connected with a scale ring 23, the scale ring 23 is provided with scale marks 24, and the inner side of the cylinder 1 is provided with a first rotating wheel groove 113 corresponding to the position of the first rotating wheel 22.

Referring to fig. 2, a second open groove 18 is formed in the surface of the cylinder 1 corresponding to the first rotary groove 113, the second open groove 18 is communicated with the first rotary groove 113, the top surface of the second open groove 18 is fixedly embedded in the glass window 19, and when the rotary rod 2 is rotated, the numerical value on the scale mark 24 can be visually observed through the glass window 19, so that the rotational position can be adjusted more accurately.

Referring to fig. 2, the outer side of the rotating rod 2 is fixedly sleeved with the ratchet wheel 25, a ratchet groove 110 is formed in the barrel 1 corresponding to the ratchet wheel 25, a notch 111 is formed in the barrel 1 at the outer side of the ratchet groove 110, the notch 111 is communicated with the ratchet groove 110, a ratchet elastic sheet 112 is fixedly connected to the top surface of the inner side of the notch 111, the ratchet elastic sheet 112 is clamped in any tooth groove of the ratchet wheel 25, and the ratchet wheel 25 enables the rotating rod 2 to rotate only in one direction, but can be more accurate in rotation, and avoids the situation of excessive force.

Referring to fig. 3, the clip assembly 3 includes a fixing rod 31 fixed to the end of the long rod 28, the fixing rod 31 and the long rod 28 form an included angle of one hundred twenty degrees, a clip groove 32 is formed at an end of the fixing rod 31 far from the long rod 28, and two clips 33 are rotatably connected in the clip groove 32.

Referring to fig. 3, a micro remote control motor 35 is fixedly connected to the fixing rod 31 at the position of the clamping groove 32, a worm 36 is fixedly connected to the rotating shaft of the micro remote control motor 35, two worm wheels 34 are respectively fixedly connected to the rotating shafts of the two clamping pieces 33, and the worm 36 is positioned between the two worm wheels 34 and is engaged with the two worm wheels 34.

Referring to fig. 2-3, one end of the barrel 1, which is far from the rotor 27, is fixedly connected with a handle 4, the end of the handle 4 is slidably inserted with a remote control button 42, the remote control button 42 controls the micro remote control motor 35 to open and close, two finger handles 41 are fixedly connected to two sides of the handle 4, the outer side wall of the rotating rod 2 is fixedly sleeved with a second rotating wheel 26, a second rotating wheel groove 114 is formed in the barrel 1 corresponding to the second rotating wheel 26, and when the position to be clamped is adjusted, the remote control button 42 is pressed, so that the micro remote control motor 35 starts to work, and the two clamping pieces 33 are driven to clamp the part to be hemostatic, and hemostasis can be completed.

Example 3:

when the hemostatic clamp is used, the clamp component 3 extends into the vicinity of a focus part through an incision part, then according to the specific position of the focus, the dial wheel 16 is shifted to rotate the dial wheel 16 so as to drive the pinion 14 to rotate, the pinion 14 drives the rotating rod 2 to rotate through the large gear 21 so as to rotate the clamp component 3, the angle of the clamped position is convenient to adjust, when the position to be clamped is adjusted, the remote control button 42 is pressed so that the micro remote control motor 35 starts to work to drive the two clamping pieces 33 to clamp the part to be hemostatic, and hemostasis can be completed, the clamp component 3 and the long rod 28 form an oblique direction with an angle of one hundred twenty degrees, the angle of the long rod 28 is not required to be changed to adjust the angle of the clamp component 3, and the clamp component 3 is driven to rotate through the dial wheel 16 so as to reach the focus parts at different positions, so that the traditional straight hemostatic clamp is prevented from being subjected to angle adjustment, the hemostatic clamp rod body is easy to touch the incision part, and meanwhile, the angle adjustment is more visual and convenient, and the operation is convenient.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rotatable hemostatic clamp, includes barrel (1), its characterized in that:

a rotary groove (11) is formed in the barrel body (1), one end of the rotary groove (11) is of an open structure, a rotary rod (2) is connected in the rotary groove (11) in a rotating mode, one end of the rotary rod (2) penetrates through the rotary groove (11) and is fixedly connected with a rotary head (27), one end, far away from the barrel body (1), of the rotary head (27) is fixedly connected with a long rod (28), the end portion of the long rod (28) is fixedly connected with a clamp assembly (3), and an included angle formed between the clamp assembly (3) and the long rod (28) is one hundred twenty degrees;

bull gear (21) is fixedly sleeved in the bull stick (2) outside, barrel (1) is inside to correspond bull gear (21) position and to set up first gear groove (12), barrel (1) is inside to be located first gear groove (12) lateral wall and to set up second gear groove (13), second gear groove (13) internal rotation connection pinion (14), pinion (14) meshing connection bull gear (21), first fluting (15) is seted up to barrel (1) lateral wall, first fluting (15) internal rotation connection thumb wheel (16), thumb wheel (16) pivot department rigid coupling connecting rod (17), connecting rod (17) rigid coupling pinion (14) pivot department.

2. A rotatable hemostatic clip according to claim 1, wherein: the outer side of the rotating rod (2) is fixedly connected with a first rotating wheel (22), the outer side wall of the first rotating wheel (22) is fixedly connected with a scale ring (23), scale marks (24) are arranged on the scale ring (23), and a first rotating wheel groove (113) is formed in the inner side of the barrel body (1) corresponding to the position of the first rotating wheel (22).

3. A rotatable hemostatic clip according to claim 2, wherein: a second open groove (18) is formed in the surface of the cylinder body (1) corresponding to the position of the first rotary groove (113), the second open groove (18) is communicated with the first rotary groove (113), and the top surface of the second open groove (18) is fixedly embedded with a glass window (19).

4. A rotatable hemostatic clip according to claim 1, wherein: ratchet (25) are fixedly sleeved on the outer side of the rotating rod (2), a ratchet groove (110) is formed in the barrel body (1) corresponding to the ratchet (25), a notch (111) is formed in the barrel body (1) and located in the outer side of the ratchet groove (110), the notch (111) is communicated with the ratchet groove (110), a ratchet elastic sheet (112) is fixedly connected to the top surface of the inner side of the notch (111), and the ratchet elastic sheet (112) is clamped in any tooth groove of the ratchet (25).

5. A rotatable hemostatic clip according to claim 1, wherein: clip subassembly (3) include dead lever (31) of rigid coupling at stock (28) tip, dead lever (31) are one hundred twenty degrees contained angles with stock (28), stock (28) one end is kept away from in dead lever (31) and is seted up clamping piece groove (32), two clamping pieces (33) are connected in clamping piece groove (32) internal rotation.

6. A rotatable hemostatic clip according to claim 5, wherein: the inside miniature remote control motor (35) that is located clip groove (32) position rigid coupling of dead lever (31), miniature remote control motor (35) pivot department rigid coupling worm (36), two worm wheel (34) of clip (33) pivot punishment do not rigid coupling, worm (36) are located between two worm wheel (34) and mesh connection two worm wheel (34).

7. A rotatable hemostatic clip according to claim 6, wherein: barrel (1) is kept away from and is turned round (27) one end rigid coupling handle (4), handle (4) tip slip grafting remote control button (42), remote control button (42) control miniature remote control motor (35) are opened and close, two finger handles (41) of handle (4) both sides rigid coupling respectively, second runner (26) are cup jointed to bull stick (2) lateral wall is fixed, barrel (1) inside corresponds second runner (26) position and sets up second runner groove (114).