Clamping piece structure of hemostatic clip

Abstract

The utility model relates to the field of medical instruments, and discloses a hemostatic clip clamping piece structure which comprises a clamping piece body, a hinging mechanism is arranged on the clamping piece body, a clamping mechanism and a locking mechanism are arranged at the two ends of the clamping piece body respectively, the clamping piece body is elastic, and the clamping piece body is provided with a locking mechanism. A hook mounting hole and a deformation releasing hole capable of deforming are formed in one side, close to the locking mechanism, of the clamping piece body; a tearing groove which can be torn or pulled to deform is formed in the hook mounting hole, and the tearing groove is formed in the side, close to the deformation releasing hole, of the hook mounting hole. Foreign debris is not generated during release, and the problem that the foreign debris is left in the body of a patient to generate potential uncertain factors is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a hemostatic clip blade structure. Background Art

[0002] In recent years, endoscopic hemostatic clips have become the most effective and clinically applicable method for non-surgical treatment of acute gastrointestinal bleeding in critically ill patients due to their characteristics such as less trauma, fast hemostasis speed, low incidence of rebleeding, few complications, and definite curative effect. Endoscopic metal clip hemostasis is one of the widely used hemostatic means. Skilled metal clip operation on appropriate cases can effectively stop bleeding and prevent rebleeding, reduce adverse reactions, and greatly improve the safety and cure rate of endoscopic treatment of gastrointestinal bleeding. The hemostatic mechanism of metal hemostatic clips is the same as that of surgical vascular ligation or suture, which is a physical and mechanical method. By using the mechanical force generated when the hemostatic clip is closed, the surrounding tissues and bleeding blood vessels are ligated together, thereby closing the bleeding blood vessels to block blood flow and achieve the purpose of hemostasis. It is applicable to the hemostatic treatment of non-variceal active bleeding and visible vascular stump lesions.

[0003] Hemostatic clips generally use the clip blades to clamp tissues. However, current hemostatic clips have problems such as generating debris after clamping and releasing and having too many parts remaining in the human body. This causes certain troubles for medical staff performing hemostatic clip suture on the wound surface and requires medical staff to perform additional work to remove debris and foreign bodies. The generation of debris increases the workload of medical staff and also increases the surgical cost of patients. Sometimes, due to the digestive peristalsis of patients, the debris has shifted before it can be completely removed, and some debris cannot be completely removed and remaining in the patient's body will generate potential uncertain factors. Summary of the Utility Model

[0004] In view of this, the purpose of the utility model is to provide a hemostatic clip blade structure that does not generate debris and foreign bodies during release, avoiding the problem of potential uncertain factors caused by debris and foreign bodies remaining in the patient's body.

[0005] The utility model solves the above technical problems through the following technical means:

[0006] A hemostatic clip blade structure includes a clip blade body. An articulated mechanism is arranged on the clip blade body. A clamping mechanism and a locking mechanism are respectively arranged at both ends of the clip blade body. The clip blade body is elastic. A hook mounting hole and a deformable release deformation hole are arranged on one side of the clip blade body close to the locking mechanism.

[0007] Furthermore, a tear groove that can be torn or deformed by pulling is provided on the hook mounting hole, and the tear groove is located on the side of the hook mounting hole close to the release deformation hole. In this technical solution, through the provision of the tear groove on the hook mounting hole, it can be torn or deformed by pulling during the release process, thereby assisting in separating the hook of the hemostatic clip from the clip structure.

[0008] Furthermore, the locking mechanism is an arc-shaped release hanging platform provided on the clip body. In this technical solution, the arc-shaped release hanging platform is used to achieve locking with the cup holder.

[0009] Furthermore, the clamping mechanism is clip teeth provided at one end of the clip body away from the locking mechanism, and the end of the clip teeth is a sharp tip structure. In this technical solution, the clip teeth on the clip body are used to hook the tissue, and the two clip structures are used to clamp the tissue.

[0010] Furthermore, a clamping boss is provided on one side of the clip body close to the clip teeth. In this technical solution, the clamping boss can increase the friction with the tissue after the clip is closed and released, preventing the tissue from slipping off.

[0011] Furthermore, the hinge mechanism is a through hole provided on the clip body. Generally, a hemostatic clip has two clips, and the two clips are hinged together to realize the opening and closing of the clamping ends of the two clips. In this technical solution, the hinge mechanism is a through hole, so a pin shaft can be inserted into the through holes of the two clips to realize the hinged connection of the two clips.

[0012] Furthermore, the clip structure is made of a non-magnetic elastic material or a non-magnetic absorbable material. The clip of this technical solution is finally located in the patient's body. When it remains in the body, it is compatible with MRI, that is, it has no impact on the patient during magnetic resonance examination and no impact on passing through security checks.

[0013] Furthermore, the clip structure is made of pure titanium, or magnesium alloy, or plastic.

[0014] The beneficial effects of the present utility model:

[0015] 1. The hook mounting hole of this technical solution is used to install the wire hook on the hemostatic clip. During the closing process of the tissue being clamped, the tail of the locking mechanism of the clip structure first contacts the clip locking platform of the cup seat of the hemostatic clip. During the continuous axial force applied to the hook, the release deformation hole on the clip structure will be squeezed and deformed. Since the clip body is made of elastic material, continue to apply a force perpendicular to the axial direction to the hook, which causes the deformation amount of the release deformation hole at the tail of the clip structure to continue to increase, so as to achieve the locking of the release hanging platform on the clip structure and the clip locking platform of the cup seat. After locking, the release deformation hole on the clip structure loses the axial extrusion, and the deformation is restored, achieving the locking function. During the entire release process of the hook and the clip structure, no debris is generated, avoiding the problem of potential uncertain factors caused by debris remaining in the patient's body.

[0016] 2. The clip structure remaining in the body of the present utility model is made of non-magnetic elastic material or non-magnetic material, which can ensure that when it remains in the body, it is compatible with MRI, that is, it has no impact on the patient during magnetic resonance examination and no impact on passing through security checks. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the front view of a clip structure of a hemostatic clip of the present utility model;

[0018] Figure 2 is Figure 1 the three-dimensional structure schematic diagram of

[0019] Figure 3 is the usage state diagram of a clip structure of a hemostatic clip of the present utility model;

[0020] Among them,

[0021] clip body 1, hook mounting hole 2, release deformation hole 3, tearing groove 4, arc release hanging platform 5, clip teeth 6, through hole 7, clamping boss 8, wire hook 9, cup seat 10. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will describe the present utility model in detail with reference to the drawings:

[0023] A clip structure of a hemostatic clip in this embodiment, as Figures 1-3 shown, includes a clip body 1. An articulated mechanism is provided on the clip body 1. A clamping mechanism and a locking mechanism are respectively provided at both ends of the clip body 1. The clip body 1 is elastic. A hook mounting hole 2 and a deformable release deformation hole 3 are provided on one side of the clip body 1 close to the locking mechanism. In order to assist the separation of the hook of the hemostatic clip from this clip structure, a tearable or stretchable tearing groove 4 is provided on the hook mounting hole 2, and the tearing groove 4 is located on the side of the hook mounting hole 2 close to the release deformation hole 3.

[0024] In this embodiment, the locking mechanism is an arc-shaped release hanging platform 5 provided on the clip body 1; the clamping mechanism is clip teeth 6 provided at one end of the clip body 1 away from the locking mechanism, and the end of the clip teeth 6 is a sharp tip structure; the hinged mechanism is a through hole 7 provided on the clip body 1. To increase the friction between the clip and the tissue after the clip is closed and released and prevent the tissue from slipping, a clamping boss 8 is integrally formed on one side of the clip body 1 close to the clip teeth 6.

[0025] In this embodiment, in order to enable the clip structure to be compatible with MRI and have no influence when passing through security checks when staying in the body, the clip structure is made of a non-magnetic elastic material or a non-magnetic absorbable material. Specifically, any one of pure titanium, magnesium alloy, and plastic can be selected according to actual needs.

[0026] The principle of the hemostatic clip clip structure in this embodiment is as follows:

[0027] The hook mounting hole 2 of this technical solution is used to install the wire hook 9 on the hemostatic clip. During the closing process of the clamped tissue, the tail of the locking mechanism of the clip structure first contacts the clip locking platform of the cup seat 10 of the hemostatic clip. During the continuous axial force application of the hook, the release deformation hole 3 on the clip structure will be squeezed and deformed; since the clip body 1 is made of an elastic material, continue to apply a force perpendicular to the axial direction to the hook, and this force makes the deformation amount of the release deformation hole 3 at the tail of the clip structure continue to increase, so as to achieve the locking of the release hanging platform on the clip structure and the clip locking platform of the cup seat 10. After locking, the release deformation hole 3 on the clip structure loses the axial extrusion, and the deformation recovers, achieving the locking function; during the entire release process of the hook and the clip structure, no debris or foreign objects are generated, avoiding the problem of debris or foreign objects remaining in the patient's body and generating potential uncertain factors.

[0028] It should be noted that the wire hook 9 and the cup seat 10 in this embodiment can both be existing technologies, and the clip structure of this embodiment can cooperate with them to achieve the technical effects of the present invention.

[0029] The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention. The technologies, shapes, and structures not detailedly described in the present invention are all well-known technologies.

Claims

1. A hemostatic clip structure, comprising a clip body, a hinge mechanism disposed on the clip body, and a clamping mechanism and a locking mechanism disposed at both ends of the clip body, characterized in that: The clip body is elastic, and a hook mounting hole and a deformable release deformation hole are provided on one side of the clip body close to the locking mechanism; the locking mechanism is an arc-shaped release hanging platform arranged on the clip body; the clamping mechanism is a clip tooth arranged on one end of the clip body away from the locking mechanism, and the end of the clip tooth is a sharp tip structure.

2. A hemostatic clip structure according to claim 1, characterized in that: The hook installation hole is provided with a tearing groove which can be torn or pulled to deform, and the tearing groove is located on a side of the hook installation hole close to the deformation release hole.

3. The hemostatic clip structure according to claim 1, characterized in that: A clamping boss is arranged on one side of the clip body close to the clip teeth.

4. The hemostatic clip structure according to claim 1, characterized in that: The hinge mechanism is a through hole arranged on the clip body.

5. The hemostatic clip structure according to claim 1, characterized in that: The clip structure is made of non-magnetic elastic material or non-magnetic absorbable material.

6. A hemostatic clip structure according to claim 5, characterized in that: The clip structure is made of pure titanium, magnesium alloy, or plastic.

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