Disposable U-shaped blood blocking clip

Abstract

The utility model discloses a disposable U-shaped blood blocking clamp which comprises a first U-shaped clamp unit, a second U-shaped clamp unit, a connecting unit and an elastic unit, the first U-shaped clamp unit and the second U-shaped clamp unit are correspondingly arranged and hinged through the connecting unit, and the U-shaped blood blocking clamp with two symmetrical clamping points is formed. The elastic unit is arranged between the first U-shaped clamp unit and the second U-shaped clamp unit and abuts against the first U-shaped clamp unit and the second U-shaped clamp unit to provide clamping force for the whole blood blocking clamp. According to the scheme, the two U-shaped clamping pieces are hinged to form two symmetrical clamping points, blood vessels can be stably clamped, and the structural reliability of the disposable blood blocking clamp is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a disposable U-shaped blood blocking clip. Background Art

[0002] When suturing microvessels in clinical surgical operations, vascular clamps are needed to temporarily block blood flow to facilitate suturing by doctors. At this time, the role of vascular clamps is very important. If the clamping force is too large, it is easy to cause damage to vascular tissue and endothelium and the formation of thrombus during use. If it is too small, it will cause bleeding and affect the overall surgical effect.

[0003] A "disposable blood blocking clip" is disclosed in a Chinese patent with publication number "CN 213217396 U", which is composed of an upper clamp and a lower clamp hinged together. However, the clamping ends of the upper clamp and the lower clamp of the existing disposable blood blocking clip are flat ends, so the upper clamp and the lower clamp are hinged together to form a clamping point. Since there is only one clamping point, the clamping force is unstable, which can easily cause damage to the vascular endothelium and bleeding. Therefore, the structural reliability of the disposable blood blocking clip is greatly reduced.

[0004] It can be seen that how to improve the structural reliability of the disposable blood blocking clip is a problem that needs to be solved in this field. Utility Model Content

[0005] In view of the technical problem that the existing disposable blood blocking clip has low structural reliability, the purpose of the utility model is to provide a disposable U-shaped blood blocking clip, which can improve the structural reliability of the disposable blood blocking clip and effectively overcome the problems existing in the prior art.

[0006] In order to achieve the above-mentioned objectives, the utility model provides a disposable U-shaped blood-blocking clip, including a first U-shaped clip unit, a second U-shaped clip unit, a connecting unit and an elastic unit. The first U-shaped clip unit and the second U-shaped clip unit are correspondingly arranged and hinged through the connecting unit to form a U-shaped blood-blocking clip with two symmetrical clamping points. The elastic unit is arranged between the first U-shaped clip unit and the second U-shaped clip unit and respectively abuts against the first U-shaped clip unit and the second U-shaped clip unit to provide clamping force for the entire blood-blocking clip.

[0007] Furthermore, the first U-shaped clamp unit and the second U-shaped clamp unit are respectively provided with a clamping portion, a connecting portion and an operating portion, and the clamping portion, the connecting portion and the operating portion are sequentially connected and matched to form an integrated structure.

[0008] Furthermore, the clamping parts of the first U-shaped clamping unit and the second U-shaped clamping unit are respectively symmetrical U-shaped structures.

[0009] Furthermore, a plurality of clamping teeth are evenly distributed on the clamping surfaces of the clamping parts of the first U-shaped clamp unit and the second U-shaped clamp unit, respectively, and the clamping teeth on the clamping parts of the first U-shaped clamp unit and the second U-shaped clamp unit are staggered.

[0010] Furthermore, connecting lugs are integrally formed on both sides of the connecting portion between the first U-shaped clip unit and the second U-shaped clip unit, and corresponding through holes are respectively opened on the connecting lugs for penetrating the connecting unit, and the through holes can rotate around the connecting unit.

[0011] Furthermore, grooves for accommodating the elastic unit are respectively provided in the operating parts of the first U-shaped clip unit and the second U-shaped clip unit.

[0012] Furthermore, the elastic unit includes a first elastic sheet and a second elastic sheet, the first elastic sheet and the second elastic sheet are connected to form a V-shaped structure, the first elastic sheet abuts against the groove of the first U-shaped clip unit, and the second elastic sheet abuts against the groove of the second U-shaped clip unit.

[0013] Furthermore, an anti-slip component is provided on the operating parts of the first U-shaped clamp unit and the second U-shaped clamp unit.

[0014] The disposable U-shaped blood blocking clamp provided by the utility model has two symmetrical clamping points formed by hingedly connecting two U-shaped clip pieces, which can stably clamp the blood vessel and greatly improve the structural reliability of the disposable blood blocking clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention is further described below in conjunction with the accompanying drawings and specific implementations.

[0016] Figure 1 This is a schematic diagram of the application of the disposable U-shaped blood blocking clip;

[0017] Figure 2 This is a schematic diagram of the overall structure explosion of the disposable U-shaped blood blocking clip;

[0018] Figure 3 This is a schematic structural diagram of the first U-shaped clamp unit in the disposable U-shaped blood blocking clamp;

[0019] Figure 4 This is a schematic diagram of the structure of the second U-shaped clamp unit in the disposable U-shaped blood blocking clamp;

[0020] Figure 5 This is a schematic diagram of the clamp teeth engagement structure of the disposable U-shaped blood blocking clamp;

[0021] Figure 6 This is a schematic diagram of the structure of the clamping teeth in the disposable U-shaped blood blocking clamp;

[0022] Figure 7This is a schematic diagram of the anti-slip component structure in the disposable U-shaped blood blocking clip.

[0023] The following is a description of the components in the accompanying drawings:

[0024] 1. Blood blocking clip 11. First U-shaped clip unit 12. Second U-shaped clip unit 13. Connection unit 14. Elastic unit

[0025] 111. First clamping portion 112. First connecting portion 113. First operating portion 1111. First clamping tooth 1121. First connecting lug 1122. First through hole 1131. First groove 1132. First anti-slip component

[0026] 121. Second clamping portion 122. Second connecting portion 123. Second operating portion 1211. Second clamping teeth 1221 Second connecting lug 1222. Second through hole 1231. Second groove 1232. Second anti-slip component

[0027] 141. First spring fragment 142. Second spring fragment. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.

[0029] In view of the technical problem that the existing disposable blood blocking clip has low structural reliability, the purpose of the utility model is to provide a disposable U-shaped blood blocking clip 1, see Figure 1 It forms two symmetrical clamping points by hingedly connecting two U-shaped clips. Compared with the existing blood-blocking clamp with only one clamping point, it can stably clamp the blood vessel, greatly improving the structural reliability of the disposable blood-blocking clamp.

[0030] The disposable U-shaped blood blocking clip 1 provided by the utility model, see Figure 2 , which includes a first U-shaped clamp unit 11, a second U-shaped clamp unit 12, a connecting unit 13 and an elastic unit 14.

[0031] Among them, the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 are hinged by a connecting unit 13, and the elastic unit 14 is arranged between the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12. The first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 are driven by external force to overcome the elastic unit to realize the opening and closing of the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12.

[0032] See also Figure 3The first U-shaped clamp unit 11 includes a first clamping portion 111, a first connecting portion 112 and a first operating portion 113. The first clamping portion 111, the first connecting portion 112 and the first operating portion 113 are sequentially connected and matched to form an integrated structure.

[0033] The first clamping portion 111 is a symmetrical U-shaped structure, and a plurality of first clamping teeth 1111 are evenly distributed on the clamping surface thereof. The plurality of first clamping teeth 1111 can increase the friction force during the clamping process, thereby ensuring the reliability of the clamping.

[0034] See also Figure 6 Here, the first clamping teeth 1111 preferably adopt conical clamping teeth, which can ensure the provision of reliable clamping force. At the same time, the surface of the conical clamping teeth is arc-shaped and has no edges and corners, which can effectively protect the vascular tissue.

[0035] First connecting lugs 1121 are integrally formed on both sides of the first connecting portion 112 , and corresponding first through holes 1122 are respectively formed on the two first connecting lugs 1121 for penetrating the connecting unit 13 . The first U-shaped clip unit 11 can rotate around the connecting unit 13 at a certain angle.

[0036] A first groove 1131 is defined in the first operating portion 113 for accommodating the elastic unit 14 . The elastic unit 14 is disposed in the first groove 1131 and abuts against the first groove 1131 , thereby achieving bending deformation of the elastic unit 14 .

[0037] Also, see Figure 7 A first anti-skid component 1132 is provided on the operating surface of the first operating portion 113. The first anti-skid component 1132 is provided to ensure that the friction is increased when the operator applies the force, so that the operation is more convenient and at the same time, accidents caused by hand slipping are avoided.

[0038] The first anti-skid component 1132 is not limited in this solution. For example, it can be an anti-skid rib or a rubber layer, etc. The specific configuration can be determined based on actual conditions.

[0039] The second U-shaped clamp unit 12 includes a second clamping portion 121 , a second connecting portion 122 and a second operating portion 123 . The second clamping portion 121 , the second connecting portion 122 and the second operating portion 123 are sequentially connected and matched to form an integrated structure.

[0040] The second clamping portion 121 is a symmetrical U-shaped structure, and a plurality of second clamping teeth 1211 are evenly distributed on the clamping surface. This solution can increase the friction force during the clamping process by providing a plurality of second clamping teeth 1211, thereby ensuring the reliability of the clamping.

[0041] Also, see Figure 5A plurality of second clamping teeth 1211 are staggered on the surface of the second clamping portion 121 relative to the first clamping teeth 1111, so that when the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 are closed, the clamping teeth are staggered and engaged. The first clamping teeth 1211 and the second clamping teeth 1211 are staggered and do not contact the corresponding clamping teeth after staggered engagement with each other, thereby ensuring that blood flow is blocked and the blood vessel wall is not damaged.

[0042] See also Figure 6 Here, the second clamping teeth 1211 are also preferably conical clamping teeth, which can ensure the provision of reliable clamping force. At the same time, the surface of the conical clamping teeth is arc-shaped and has no edges and corners, which can effectively protect the vascular tissue.

[0043] Second connecting lugs 1221 are integrally formed on both sides of the second connecting portion 122 , and corresponding second through holes 1222 are respectively formed on the two second connecting lugs 1221 for penetrating the connecting unit 13 . The second U-shaped clip unit 12 can rotate around the connecting unit 13 at a certain angle.

[0044] A second groove 1231 is defined in the second operating portion 123 for accommodating the elastic unit 14 . The elastic unit 14 is disposed in the second groove 1231 and abuts against the second groove 1231 , thereby achieving bending deformation of the elastic unit 14 .

[0045] Also, see Figure 7 A second anti-skid component 1232 is provided on the operating surface of the second operating portion 123. The second anti-skid component 1232 is provided to increase friction when the operator applies force, making the operation more convenient and avoiding accidents caused by hand slippage.

[0046] The second anti-skid component 1232 is not limited in this solution. For example, it can be an anti-skid rib or a rubber layer, etc. The specific configuration can be determined based on actual conditions.

[0047] The first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 are correspondingly arranged, and the first clamping portion 111 and the second clamping portion 121 cooperate to form a clamping area of ​​the entire U-shaped segment. The corresponding position of the clamping area of ​​the clamp can be selected according to the actual length of the surgical blood vessel.

[0048] At the same time, the first clamping portion 111 and the second clamping portion 121 can form two clamping points by adopting a symmetrical U-shaped structure, and can clamp two different positions of the blood vessel at the same time, thereby greatly improving the reliability of the blood blocking clamp.

[0049] Furthermore, when the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 are correspondingly arranged, the first through hole 1122 and the second through hole 1222 are overlapped, and the connecting unit 13 penetrates the first through hole 1122 and the second through hole 1222 to hinge the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 to form the entire U-shaped blood blocking clamp.

[0050] The structure of the connecting unit 13 is not limited here. In this scheme, a stainless steel connecting shaft is preferably used to enable the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 to rotate relative to each other stably without falling off. The two ends of the stainless steel tube are riveted and flanging to prevent falling off.

[0051] The first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 can rotate around the connecting shaft 13 to realize the opening and closing of the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12. When the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 are closed, the first clamping teeth 1111 and the second clamping teeth 1211 on the first U-shaped clamp unit 11 and the second U-shaped clamp unit 12 are staggered and engaged to clamp the blood vessel.

[0052] The connection unit 13 is sleeved with an elastic unit 14 and is cooperatively disposed in the first groove 1131 and the second groove 1231 . The elastic unit 14 provides clamping force for the entire blood blocking clamp.

[0053] See also Figure 2 The elastic unit 14 in this solution includes a first spring piece 141 and a second spring piece 142, and the first spring piece 141 and the second spring piece 142 cooperate to form a V-shaped structure, wherein the first spring piece 141 is against the first groove 1131 of the first operating part, and the second spring piece 142 is against the second groove 1231 of the second operating part. By applying a force to the operating part and overcoming the elastic force of the elastic unit 14, the first clamping part 111 and the second clamping part 121 can both rotate around the connecting unit 13 by a certain angle, so that the clamping part of the blood blocking clamp is opened to form a corresponding angle. When the force on the operating part is released, the clamping part of the blood blocking clamp will be closed under the rigid rebound force of the elastic unit 14.

[0054] Here, the structure of the elastic unit 14 is not limited in this solution, and a stainless steel sheet is used. At the same time, the clamping force angle between the first elastic sheet 141 and the second elastic sheet 142 can be bent according to actual conditions.

[0055] The following example illustrates the working process of the invention in a specific application. It should be noted that the working process is only an example and does not constitute a limitation to the present invention.

[0056] The upper clamping piece through hole 1122 and the lower clamping piece through hole 1222 are connected by a connecting shaft 13, and two ends of the elastic piece 14 are respectively pressed against the upper clamping piece groove 1131 and the lower clamping piece groove 1231.

[0057] By applying force to the clamp handle, the bending angle of the spring sheet 14 is always in a compressed state, and the upper and lower clamps can be rotated around the connecting shaft 13 at a certain angle, so that the clamping part of the blood blocking clamp is opened to form a corresponding angle.

[0058] When the force on the clamp handle is released, the upper and lower clamping parts are forced to engage with each other to achieve clamping due to the rigid rebound force of the spring sheet 14 .

[0059] The disposable U-shaped hemostatic clamp formed by the above scheme has a U-shaped structure design for the clamping part of the U-shaped hemostatic clamp to form two symmetrical clamping points, so that one clamp handle can clamp two blood vessels at the same time, and the clamping position and clamping force remain uniform and consistent, which can not only reduce the operation time for doctors, but also prevent blood vessel dislocation. It can replace two ordinary hemostatic clips or conventional double clamps in the prior art, greatly improving the reliability of the hemostatic clamp.

[0060] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A disposable U-shaped blood blocking clip, characterized in that: It includes a first U-shaped clamp unit, a second U-shaped clamp unit, a connecting unit and an elastic unit. The first U-shaped clamp unit and the second U-shaped clamp unit are correspondingly arranged and hinged through the connecting unit to form a U-shaped blood-blocking clamp with two symmetrical clamping points. The elastic unit is arranged between the first U-shaped clamp unit and the second U-shaped clamp unit and respectively abuts against the first U-shaped clamp unit and the second U-shaped clamp unit to provide clamping force for the entire blood-blocking clamp.

2. A disposable U-shaped blood blocking clip according to claim 1, characterized in that: The first U-shaped clamp unit and the second U-shaped clamp unit are respectively provided with a clamping portion, a connecting portion and an operating portion, and the clamping portion, the connecting portion and the operating portion are sequentially connected and matched to form an integrated structure.

3. A disposable U-shaped blood blocking clip according to claim 2, characterized in that: The clamping parts of the first U-shaped clamping unit and the second U-shaped clamping unit are respectively symmetrical U-shaped structures.

4. A disposable U-shaped blood blocking clip according to claim 2, characterized in that: A plurality of clamping teeth are evenly distributed on the clamping surfaces of the clamping parts of the first U-shaped clamp unit and the second U-shaped clamp unit, respectively, and the clamping teeth on the clamping parts of the first U-shaped clamp unit and the second U-shaped clamp unit are staggered.

5. The disposable U-shaped blood blocking clip according to claim 2, characterized in that: Connecting lugs are integrally formed on both sides of the connecting portion of the first U-shaped clip unit and the second U-shaped clip unit, and corresponding through holes are respectively opened on the connecting lugs for penetrating the connecting unit, and the through holes can rotate around the connecting unit.

6. A disposable U-shaped blood blocking clip according to claim 2, characterized in that: Grooves for accommodating the elastic unit are respectively provided in the operating parts of the first U-shaped clip unit and the second U-shaped clip unit.

7. A disposable U-shaped blood blocking clip according to claim 6, characterized in that: The elastic unit includes a first elastic sheet and a second elastic sheet, the first elastic sheet and the second elastic sheet are connected to form a V-shaped structure, the first elastic sheet abuts against the groove of the first U-shaped clip unit, and the second elastic sheet abuts against the groove of the second U-shaped clip unit.

8. The disposable U-shaped blood blocking clip according to claim 2, characterized in that: The operating parts of the first U-shaped clamp unit and the second U-shaped clamp unit are provided with anti-slip components.

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