Hemostatic clip

Abstract

The utility model relates to the technical field of hemostatic clamp, specifically a kind of hemostatic clamp, including handle mechanism, wire, connecting hose and chuck assembly;The chuck assembly includes outer sleeve, link sleeve, inner sleeve, first connecting seat, second connecting seat, hanger, connecting member and two clamping pieces.Aiming at the technical problem that the existing hemostatic clamp has defects, the utility model provides a kind of hemostatic clamp, the chuck assembly is improved, so that the operation of the hemostatic clamp is more smooth.

Description

TECHNICAL FIELD

[0001] The utility model relates to hemostatic clamp technical field, concretely relates to a hemostatic clamp. BACKGROUND

[0002] Hemostatic clamp is generally used with endoscope, and in the operation of hemostasis by clipping, the field of vision needs to be provided by endoscope, and the hemostatic clamp is placed in the upper and lower digestive tract under the field of vision of endoscope, and the clip is used to close the lesion surface, so that the mechanical hemostasis treatment is carried out on the lesion surface causing the upper and lower digestive tract hemorrhage.

[0003] The clipping and releasing of the clip in the hemostatic clamp need to be realized through specific structure, and the current hemostatic clamp still has certain defects, which leads to poor clipping, locking and releasing effect of the clip. UTILITY MODEL CONTENT

[0004] In view of the technical problem that the existing hemostatic clamp has defects, the utility model provides a hemostatic clamp, which is improved by the clamp head assembly, so that the operation of clipping, locking and releasing of the hemostatic clamp is more smooth.

[0005] The utility model provides a technical scheme for a kind of hemostatic clamp, including handle mechanism, wire, connecting hose and clamp head assembly;The clamp head assembly includes outer sleeve tube, link sleeve, inner sleeve tube, first connecting seat, second connecting seat, hanging piece, connecting member and two clamps;The outer sleeve tube is fixed in one end of the connecting hose, the link sleeve is fixed in the inner side of the outer sleeve tube, the inner sleeve tube is fixed in the inner side of the link sleeve, and the connecting member is located in the inner sleeve tube;The first connecting seat is located in one side of the connecting hose, and the end of the first connecting seat is abutted with the end of the connecting hose and link sleeve;Second connecting seat is fixedly arranged in the inner side of the first connecting seat, and the end of the second connecting seat is abutted with the end of the second connecting seat;The tail of two clamps is located in the first connecting seat, the hanging piece is hung with the tail of two clamps by hook, and one end of the wire is fixedly connected with the hanging piece by the connecting member;The tail of two clamps is fixedly provided with clamping piece, the first long slot is arranged on the first connecting seat, the second long slot is arranged on the second connecting seat, the first long slot is communicated with the second long slot, and the clamping piece is used for clamping with the first long slot and second long slot;One end of the connecting member is provided with extension lug, and the extension lug is abutted with the other end of the inner sleeve tube;The other end of the connecting member is provided with hanging ear, the first hanging hole is arranged on the first connecting seat, the second hanging hole is arranged on the second connecting seat, and the hanging ear is hung with the first hanging hole and second hanging hole;The connecting hose is sleeved on the outer side of the wire, the end of the connecting hose is fixedly connected with the handle mechanism, the other end of the wire is fixedly connected with handle mechanism, and the handle mechanism is used to drive wire to move along axial direction.

[0006] Optionally, the handle mechanism comprises a handle body and a sliding block; the sliding block is arranged on the handle body in sliding mode, and one end of the wire is fixedly connected with the sliding block through the handle body.

[0007] Optionally, a fixing block is further arranged, a connecting groove is arranged on the handle body, and the end of the connecting hose is located in the connecting groove and is clamped by the fixing block.

[0008] Optionally, a finger ring is further arranged, a clamping hole is arranged on the finger ring, and a clasp is fixedly arranged on the tail of the handle body and is inserted into the clamping hole.

[0009] Optionally, a pin shaft is arranged at the tail of the clamping piece, and the hanging piece is hung with the two clamping pieces through the pin shaft.

[0010] Optionally, two hooks are arranged on the hanging piece, and the openings of the two hooks are oppositely directed.

[0011] Optionally, a first clamping tooth and a second clamping tooth are arranged side by side at the end of the clamping piece, and the volume of the first clamping tooth is greater than that of the second clamping tooth.

[0012] Optionally, the first clamping tooth and the second clamping tooth on the two opposite clamping pieces are arranged in central symmetry.

[0013] Optionally, a stop block is arranged at the end of the first connecting seat, and the stop block is folded towards the center for limiting the two clamping pieces from slipping off.

[0014] Optionally, a spring tube is arranged between the connecting hose and the outer sleeve.

[0015] Beneficial effects

[0016] Compared with the prior art, the technical scheme has the following beneficial effects: in view of the technical problem of defects existing in the prior hemostatic clamp, the hemostatic clamp is improved by improving the clamp head assembly, so that the clamping, locking and releasing operations of the hemostatic clamp are more smooth. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure diagram of a hemostatic clamp is provided for the embodiments of the utility model.

[0018] Figure 2 A cross-sectional view of a clamp head assembly is provided for the embodiments of the utility model.

[0019] Figure 3 A structure diagram of a clamping piece is provided for the embodiments of the utility model.

[0020] Figure 4 A structure diagram of the first connecting seat according to an embodiment of the present application is shown in FIG. 1.

[0021] Figure 5 A structure diagram of the second connecting seat according to an embodiment of the present application is shown in FIG. 2.

[0022] Figure 6 A structure diagram of the connecting member according to an embodiment of the present application is shown in FIG. 3.

[0023] Figure 7 A structure diagram of the handle mechanism according to an embodiment of the present application is shown in FIG. 4. DETAILED DESCRIPTION

[0024] In order to further understand the present application, the present application will be described in detail with reference to the accompanying drawings and embodiments.

[0025] The application will be further described below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are merely intended to explain the related application, but not to limit the application. In addition, it should be noted that only the parts related to the application are shown in the drawings for the convenience of description. The terms "first", "second", etc. in the present application are set for the convenience of describing the technical solutions of the present application, and have no specific limiting effect, and all refer to the technical solutions of the present application. It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The multiple technical solutions in the same embodiment, and the multiple technical solutions of different embodiments can be arranged and combined to form new technical solutions without contradiction or conflict, which are within the scope of the present application.

[0026] Combining the attached Figures 1-7 The embodiment provides a hemostatic clamp, which comprises a handle mechanism, a wire 1, a connecting hose 2 and a clamp head assembly. The connecting hose 2 is sleeved outside the wire 1, the end of the connecting hose 2 is fixedly connected with the handle mechanism, the other end of the wire 1 is fixedly connected with the handle mechanism, and the handle mechanism is used for driving the wire 1 to move in the axial direction.

[0027] The clamp head assembly comprises an outer sleeve 3, a connecting sleeve 4, an inner sleeve 5, a first connecting seat 6, a second connecting seat 7, a hanging piece 8, a connecting member 9 and two clamping pieces 10.

[0028] The outer sleeve 3 is fixed to one end of the connecting hose 2, the connecting sleeve 4 is fixed to the inner side of the outer sleeve 3, the inner sleeve 5 is fixed to the inner side of the connecting sleeve 4, and the connecting member 9 is located in the inner sleeve 5. The first connecting seat 6 is located on one side of the connecting hose 2, and the end of the first connecting seat 6 abuts against the end of the connecting hose 2 and the connecting sleeve 4. The second connecting seat 7 is fixedly arranged on the inner side of the first connecting seat 6, and one end of the inner sleeve 5 abuts against the end of the second connecting seat 7. The tail portions of the two clamping pieces 10 are located in the first connecting seat 6, the hanging piece 8 is hung with the tail portions of the two clamping pieces 10 through a hook 801, and one end of the wire 1 is fixedly connected with the hanging piece 8 through the connecting member 9.

[0029] The tail portions of the two clamping pieces 10 are fixedly provided with clamping pieces 100, the first connecting seat 6 is provided with a first long slot 601, the second connecting seat 7 is provided with a second long slot 701, the first long slot 601 and the second long slot 701 are communicated, and the clamping pieces 100 are used for clamping the first long slot 601 and the second long slot 701. One end of the connecting member 9 is provided with an extension protrusion 901, and the other end of the inner sleeve 5 abuts against the extension protrusion 901. The other end of the connecting member 9 is provided with a hanging lug 902, the first connecting seat 6 is provided with a first hanging hole 602, the second connecting seat 7 is provided with a second hanging hole 702, and the hanging lug 902 is hung with the first hanging hole 602 and the second hanging hole 702.

[0030] The working mode of the hemostatic clamp comprises opening and closing of the clamping pieces 10 in the complete connection state, locking after the clamping pieces 10 are closed, and releasing the clamp head assembly after the clamping pieces 10 are locked.

[0031] For the opening and closing of the clamping pieces 10 in the complete connection state, the principle is that the handle mechanism fixes the clamp head assembly through the connecting hose 2, when the handle mechanism pulls the metal wire 1 to drive the metal wire 1 to move in the axial direction, the metal wire 1 drives the hanging piece 8 to move in the axial direction, and the hanging piece 8 drives the two clamping pieces 10 to retract into the first connecting seat 6, in the process of retracting the two clamping pieces 10 into the first connecting seat 6, the inner wall of the first connecting seat 6 will constrain the two clamping pieces 10, so that the two clamping pieces 10 are retracted, and the closing of the clamping pieces 10 is realized. When it is needed to realize the opening of the clamping pieces 10, the two clamping pieces 10 are pushed out of the first connecting seat 6 by pushing the metal wire 1, and due to the elasticity of the clamping pieces 10, the clamping pieces 10 are automatically opened.

[0032] The locking of the clamping pieces 10 occurs after the clamping pieces 10 are pulled into the first connecting seat 6 and fully closed, when it is needed to realize the locking of the closed clamping pieces 10, the metal wire 1 is continuously pulled to make the clamping piece 10 tail part clamping piece 100 realize clamping with the first long slot 601 and the second long slot 701, when the clamping piece 100 is clamped into the first long slot 601 and the second long slot 701, the clamping piece 10 cannot be pulled or pushed, that is, the locking after closing is realized. It can be understood that the number and position of the first long slot 601 and the second long slot 701 should correspond to the number and position of the clamping piece 100,

[0033] After the clamping pieces 10 are locked, the release of the clamp head assembly can be realized, and the working principle is that when the clamping piece 100 is clamped into the first long slot 601 and the second long slot 701 to make the closed clamping pieces 10 locked, the metal wire 1 is continuously pulled, the hook 801 on the hanging piece 8 will be deformed due to continuous stress, so that the hanging piece 8 cannot continue to be connected with the tail part of the clamping piece 10, that is, the hanging piece 8 is disconnected with the clamping piece 10, at this time, the metal wire 1 is continuously pulled, the hanging piece 8 abuts against the connecting member 9 with the metal wire 1, and the connecting member 9 generates a force on the connecting member 9, the hanging lug 902 on the connecting member 9 and the part associated with the hanging lug 902 will be deformed in the continuous stress, so that the hanging lug 902 is disconnected with the first hanging hole 602 and the second hanging hole 702.

[0034] And for the original hemostatic clip, the connection of the first hanging hole 602 and the second hanging hole 702 with the hanging lug 902, and the abutment of the extension lug 901 at one end of the connecting member 9 with the end of the inner sleeve 5, realize the connection of the first connecting seat 6 and the second connecting seat 7 with the inner sleeve. When the hanging lug 902 is disconnected with the first hanging hole 602 and the second hanging hole 702, the first connecting seat 6, the second connecting seat 7 and the clamping piece 10 can be completely disconnected with the rest of the hemostatic clip, and the remaining part of the metal wire 1, the connecting hose 2 and the clamp head assembly can leave the human body.

[0035] Obviously, based on the foregoing working principle, the hemostatic clip of the embodiment successfully realizes the operations of clamping, locking and releasing.

[0036] According to the foregoing description, the limit stroke of the retraction of the clamping piece 10 is the position of the clamping piece 10 when the clamping piece 100 is clamped with the first long slot 601 and the second long slot 701. Correspondingly, the clamping piece 10 cannot be extended to the first connecting seat 6 unlimitedly. In an embodiment, the end of the first connecting seat 6 is provided with a stopper 17 which is folded inwardly to limit the sliding of the two clamping pieces 10.

[0037] In the embodiment, the wire 1 is driven by a handle mechanism. In a preferred embodiment, the handle mechanism includes a handle body 11 and a sliding block 12. The sliding block 12 is slidably arranged on the handle body 11, and one end of the wire 1 is fixedly connected with the sliding block 12 through the handle body 11. That is, in this embodiment, the sliding of the sliding block 12 can realize the pushing and pulling action of the wire 1.

[0038] In a further embodiment, a fixing block 14 is further included, and the handle body 11 is provided with a connecting slot 13, and the end of the connecting hose 2 is located in the connecting slot 13 and clamped by the fixing block 14. In this embodiment, the connecting hose 2 and the handle mechanism are conveniently installed through the cooperation of the connecting slot 13 and the fixing block 14. The assembly of the connecting slot 13 and the fixing block 14 can be realized by interference fit, adhesion or through bolts and the like. In an embodiment, the snap buckles 111 structure matched with each other can be arranged on the connecting slot 13 and the fixing block 14 to quickly realize the assembly of the two.

[0039] In another embodiment, the tail of the handle body 11 is provided with a finger ring 15, the finger ring 15 is provided with a clamping hole 151, the tail of the handle body 11 is fixedly provided with a snap buckle 111, and the snap buckle 111 is inserted into the clamping hole 151, so as to conveniently assemble the finger ring 15 and the handle body 11.

[0040] In the embodiment, the clamping piece 10 is connected with the hooking piece 8, and the connection manner of the clamping piece 10 and the hooking piece 8 can be that the tail of the clamping piece 10 is provided with a pin shaft 16, and the hooking piece 8 is hooked with the two clamping pieces 10 through the pin shaft 16. In this embodiment, the stress is received by the pin shaft 16, which avoids that the clamping piece 10 is affected by excessive tension during the stress deformation of the hook 801, and affects the clamping of the clamping piece 100 with the first long slot 601 and the second long slot 701 or the clamping effect of the clamping piece 10 on the pathological wound surface, so as to improve the use effect of the clamping piece 10.

[0041] In a further embodiment, the hooks 801 on the hanger 8 are provided with two, the openings of the two hooks 801 facing opposite directions. This form can improve the stress condition of the clamping piece 10, so that the stress of the clamping piece 10 is more balanced, and the openings of the two hooks 801 facing opposite directions can ensure the connection effect between the hooks 801 and the pin shaft 16.

[0042] In the embodiment, the clamping piece 10 is used to contact the lesion wound, and the lesion wound is clamped to achieve hemostasis. In an improved embodiment, the first occlusal tooth 101 and the second occlusal tooth 102 are provided side by side at the end of the clamping piece 10, and the volume of the first occlusal tooth 101 is larger than that of the second occlusal tooth 102. In this embodiment, through the structural design of the first occlusal tooth 101 and the second occlusal tooth 102, the clamping effect of the clamping piece 10 on the lesion wound is ensured, thereby improving the hemostasis effect.

[0043] In addition, in a further embodiment, the first occlusal tooth 101 and the second occlusal tooth 102 on the two opposite clamping pieces 10 are provided in a central symmetry. In this way, the width of the end of the clamping piece 10 can be smaller when it is closed, so that it is easier to enter the endoscope channel. In addition, the central symmetry form can make the occlusion of the clamping piece 10 more compact, thereby improving the clamping effect of the clamping piece 10 on the lesion wound, thereby improving the hemostasis effect.

[0044] In addition, in an alternative embodiment, in order to improve the use feel of the hemostatic clamp, a spring tube 18 is provided between the connecting hose 2 and the outer sleeve 3. The spring tube 18 can provide elastic force to the components such as the hanger 8 to assist the resetting of the clamping piece 10.

[0045] The above describes the utility model and its embodiments in a schematic manner, which is not restrictive, and the drawings only show one of the embodiments of the utility model, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural forms and embodiments can be designed without creativity, which shall all belong to the protection scope of the utility model.

Claims

1. A hemostatic clip, characterized in that, Includes a handle mechanism, a metal wire (1), a connecting hose (2), and a clamp assembly; The clamp assembly includes an outer sleeve (3), a connecting sleeve (4), an inner sleeve (5), a first connecting seat (6), a second connecting seat (7), a hook (8), a connecting member (9), and two clamps (10); The outer sleeve (3) is fixed to one end of the connecting hose (2), the connecting sleeve (4) is fixed inside the outer sleeve (3), the inner sleeve (5) is fixed inside the connecting sleeve (4), and the connecting member (9) is located inside the inner sleeve (5). The first connecting seat (6) is located on one side of the connecting hose (2), and the end of the first connecting seat (6) abuts against the end of the connecting hose (2) and the connecting sleeve (4); a second connecting seat (7) is fixedly provided inside the first connecting seat (6), and one end of the inner sleeve (5) abuts against the end of the second connecting seat (7); The tails of the two clips (10) are located inside the first connecting seat (6), and the hook (8) is hooked to the tails of the two clips (10) by a hook (801). One end of the metal wire (1) passes through the connecting member (9) and is fixedly connected to the hook (8). The tails of the two clips (10) are fixedly provided with snap-fit ​​pieces (100), the first connecting seat (6) is provided with a first long groove (601), the second connecting seat (7) is provided with a second long groove (701), the first long groove (601) and the second long groove (701) are connected, and the snap-fit ​​pieces (100) are used to snap-fit ​​with the first long groove (601) and the second long groove (701); One end of the connecting member (9) is provided with an extension protrusion (901), and the extension protrusion (901) abuts against the other end of the inner sleeve (5); The other end of the connecting member (9) is provided with a hanging ear (902), the first connecting seat (6) is provided with a first hanging hole (602), the second connecting seat (7) is provided with a second hanging hole (702), and the hanging ear (902) is connected to the first hanging hole (602) and the second hanging hole (702); The connecting hose (2) is sleeved on the outside of the metal wire (1). The end of the connecting hose (2) is fixedly connected to the handle mechanism, and the other end of the metal wire (1) is fixedly connected to the handle mechanism. The handle mechanism is used to drive the metal wire (1) to move axially.

2. The hemostatic clip according to claim 1, characterized in that, The handle mechanism includes a handle body (11) and a slider (12); the slider (12) is slidably disposed on the handle body (11), and one end of the metal wire (1) passes through the handle body (11) and is fixedly connected to the slider (12).

3. A hemostatic clip according to claim 2, characterized in that, It also includes a fixing block (14), and the handle body (11) is provided with a connecting groove (13), and the end of the connecting hose (2) is located in the connecting groove (13) and is snapped in place by the fixing block (14).

4. A hemostatic clip according to claim 2, characterized in that, It also includes a ring (15), which has a locking hole (151), and a buckle (111) is fixedly provided at the tail of the handle body (11), which is inserted into the locking hole (151).

5. A hemostatic clip according to claim 1, characterized in that, The tail of the clip (10) is provided with a pin (16), and the hook (8) is hooked to the two clips (10) through the pin (16).

6. A hemostatic clip according to claim 4, characterized in that, The hook (801) on the hanger (8) is provided with two hooks, and the openings of the two hooks (801) face opposite directions.

7. A hemostatic clip according to claim 1, characterized in that, The clamp (10) has a first biting tooth (101) and a second biting tooth (102) arranged side by side at its end, and the volume of the first biting tooth (101) is larger than the volume of the second biting tooth (102).

8. A hemostatic clip according to claim 7, characterized in that, The first biting tooth (101) and the second biting tooth (102) on the two opposite clips (10) are arranged in a centrally symmetrical manner.

9. A hemostatic clip according to claim 1, characterized in that, The end of the first connecting seat (6) is provided with a stop (17), which is folded inward to prevent the two clips (10) from slipping.

10. A hemostatic clip according to claim 1, characterized in that, A spring tube (18) is provided between the connecting hose (2) and the outer sleeve (3).

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