Tissue clamp and clamping device

Abstract

The utility model provides a tissue clamp and a clamping device.The tissue clamp comprises a clamping structure and an elastic structure, the elastic structure comprises a first elastic part and a second elastic part which are oppositely arranged, the rear end of the first elastic part is connected with the rear end of the second elastic part, and the rear end of the first clamping part is connected with the front end of the second elastic part; and the rear end of the second clamping part is connected with the front end of the first elastic part. The first elastic part is provided with a first clamping groove used for being matched with a clip applier, the second elastic part is provided with a second clamping groove used for being matched with the clip applier, and the first clamping groove and the second clamping groove are oppositely arranged. According to the tissue clamp, the two clamping grooves are formed to be matched with the clip applier, so that the tissue clamp is easier to take and place, the tissue clamp is not prone to slipping off, and clamping of the tissue clamp in an operation is facilitated.

Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to a tissue clip and clamping device. Background Technology

[0002] Vascular clamps are used to clamp blood vessels, blocking blood flow and facilitating observation of vascular stumps and anastomosis. Ideally, a vascular clamp should have enough clamping force to block blood flow without dislodging and without damaging the vascular intima. Generally, a clamping force exceeding 30 g / mm² is considered suitable. 2 This can cause damage to the intima of small blood vessels. The currently popular water sac technique requires temporary clamping of blood vessels, which needs to be removed after surgery. There are many types of vascular clips suitable for blood vessels of different diameters. The clip should be flat, and the surface should not be too smooth. It should be easy to pick up and put in by hand or instrument. Its size should be easy to operate and put into the wound. It should be lightweight and the surface should not reflect light.

[0003] However, in actual use, existing technologies often fail to effectively clamp blood vessels, as they tend to slip out. Summary of the Invention

[0004] In view of this, the present disclosure proposes a tissue clip that is easy to grasp and not easy to slip off.

[0005] To achieve one of the above-mentioned objectives, one embodiment of this disclosure provides a tissue clip, comprising:

[0006] The clamping structure includes a first clamping part and a second clamping part disposed opposite to each other;

[0007] The elastic structure includes a first elastic part and a second elastic part disposed opposite to each other. The rear end of the first elastic part is connected to the rear end of the second elastic part. The rear end of the first clamping part is connected to the front end of the second elastic part. The rear end of the second clamping part is connected to the front end of the first elastic part. The first elastic part is provided with a first clamping groove for cooperating with a clamping pliers. The second elastic part is provided with a second clamping groove for cooperating with a clamping pliers. The first clamping groove and the second clamping groove are disposed opposite to each other.

[0008] As a further improvement of an embodiment of the present disclosure, the first clamping portion and the second clamping portion are arranged along a first direction, the first elastic portion and the second elastic portion are arranged along the first direction, and the clamping structure and the elastic structure are arranged along a second direction; wherein, the first direction is perpendicular to the second direction.

[0009] As a further improvement of an embodiment of this disclosure, the first clamping part includes a first sub-clamping part and a second sub-clamping part, the second clamping part includes a third sub-clamping part and a fourth sub-clamping part, the first sub-clamping part and the third sub-clamping part are disposed opposite to each other, the second sub-clamping part and the fourth sub-clamping part are disposed opposite to each other, the second sub-clamping part is connected to the second elastic part through the first sub-clamping part, and the fourth sub-clamping part is connected to the first elastic part through the third sub-clamping part.

[0010] As a further improvement of an embodiment of this disclosure, the first sub-clamping portion and the third sub-clamping portion extend along the first direction, and the second sub-clamping portion and the fourth sub-clamping portion extend along a third direction; wherein, the third direction is perpendicular to the first direction and intersects the second direction.

[0011] As a further improvement of one embodiment of the present disclosure, the first clamping groove and the second clamping groove have a circular cross-sectional shape perpendicular to the first direction.

[0012] As a further improvement of one embodiment of the present disclosure, the first clamping groove and the second clamping groove are frustum-shaped grooves.

[0013] As a further improvement of one embodiment of this disclosure, the tissue clip further includes:

[0014] The first clamping arm is located between the clamping structure and the elastic structure, and is connected to the first elastic part and the second clamping part respectively;

[0015] The second clamping arm is located between the clamping structure and the elastic structure, and is connected to the second elastic part and the first clamping part, respectively.

[0016] As a further improvement of one embodiment of the present disclosure, the first clamping arm and the second clamping arm are arranged crosswise.

[0017] As a further improvement of one embodiment of the present disclosure, the first clamping portion and the second clamping portion have mutually engaging toothed structures.

[0018] This disclosure also provides a clamping device, including a clamping forceps and the tissue clamp described above, wherein the clamping forceps include:

[0019] The first protrusion is used to engage with the first clamping groove;

[0020] The second protrusion is used to engage with the second clamping groove.

[0021] As a further improvement of an embodiment of this disclosure, the first protrusion and the second protrusion are frustums.

[0022] The tissue clip disclosed herein includes a clamping structure and an elastic structure. The elastic structure includes a first elastic portion and a second elastic portion disposed opposite to each other. The rear end of the first elastic portion is connected to the rear end of the second elastic portion, the rear end of the first clamping portion is connected to the front end of the second elastic portion, and the rear end of the second clamping portion is connected to the front end of the first elastic portion. The first elastic portion is provided with a first clamping groove for cooperating with a clamping forceps, and the second elastic portion is provided with a second clamping groove for cooperating with a clamping forceps. The first clamping groove and the second clamping groove are disposed opposite to each other. This application provides two clamping grooves for cooperating with clamping forceps, making it easier to pick up and put down the tissue clip, preventing the tissue clip from slipping, and facilitating the clamping of the tissue clip during surgery. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in this application or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic structural diagram of a tissue clip in a closed state according to a specific embodiment of this application;

[0025] Figure 2 This is a schematic structural diagram of an open tissue clip according to a specific embodiment of this application;

[0026] Figure 3 This is a schematic structural diagram of a clamp according to a specific embodiment of the present application;

[0027] Figure 4 This is a schematic assembly diagram of the clamping clamp and the elastic structure according to a specific embodiment of this application.

[0028] Marker explanation:

[0029] 100. Tissue clips;

[0030] 10. Clamping structure; 11. First clamping part; 111. First sub-clamping part; 112. Second sub-clamping part; 12. Second clamping part; 121. Third sub-clamping part; 122. Fourth sub-clamping part;

[0031] 20. Elastic structure; 21. First elastic part; 211. First clamping groove; 22. Second elastic part; 221. Second clamping groove;

[0032] 31. First clamping arm; 32. Second clamping arm;

[0033] 200, clamp; 210, first protrusion; 220, second protrusion. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with specific embodiments and the accompanying drawings.

[0035] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this disclosure should have the ordinary meaning understood by one of ordinary skill in the art described herein. The terms "first," "second," and similar terms used in the embodiments of this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "front," and "rear" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0036] like Figures 1-4 As shown, this embodiment of the present disclosure provides a tissue clip 100, including a clamping structure 10 and an elastic structure 20. The clamping structure 10 includes a first clamping portion 11 and a second clamping portion 12 disposed opposite to each other. The elastic structure 20 includes a first elastic portion 21 and a second elastic portion 22 disposed opposite to each other. The rear end of the first elastic portion 21 is connected to the rear end of the second elastic portion 22, the rear end of the first clamping portion 11 is connected to the front end of the second elastic portion 22, and the rear end of the second clamping portion 12 is connected to the front end of the first elastic portion 21. The first elastic portion 21 is provided with a first clamping groove 211 for cooperating with a clamping forceps 200, and the second elastic portion 22 is provided with a second clamping groove 221 for cooperating with the clamping forceps 200. The first clamping groove 211 and the second clamping groove 221 are disposed opposite to each other.

[0037] Specifically, in use, clamping operations are performed by clamping pliers 200 that cooperate with the first clamping groove 211 and the second clamping groove 221. When clamping, the first elastic part 21 is forced to move the second clamping part 12, and the second elastic part 22 is forced to move the first clamping part 11. More specifically, when clamping pliers 200 clamps tissue clip 100, the first elastic part 21 and the second elastic part 22 are subjected to a force toward the inside of tissue clip 100. At this time, the first elastic part 21 and the second elastic part 22 swing and deform toward the inside of tissue clip 100, causing the second clamping part 12 connected to the first elastic part 21 to move toward the outside of tissue clip 100, and the first clamping part 11 connected to the second elastic part 22 to move toward the outside of tissue clip 100, thereby causing the first clamping part 11 and the second clamping part 12 to swing open.

[0038] When the first clamping part 11 and the second clamping part 12 open, align the opened portion with the blood vessel to be clamped, and then release the clamping force of the clamping forceps 200. When the clamping force of the clamping forceps 200 is released, the elastic potential energy generated by the inwardly deformed first elastic part 21 and the second elastic part 22, due to their own deformation, drives the front ends of the first clamping part 11 and the second clamping part 12 to close. When the first clamping part 11 and the second clamping part 12 are closed, the tissue clamp 100 can clamp the blood vessel, thereby realizing the function of blood vessel clamping.

[0039] In this embodiment of the present disclosure, by providing a clamping groove on the elastic structure 20 that cooperates with the clamping forceps 200, the clamping forceps 200 and the tissue clip 100 can form a good fit, making it easier to pick up and put down the tissue clip 100, preventing the tissue clip 100 from slipping off, and facilitating the clamping of the tissue clip 100 during surgery.

[0040] The clamp 200 is a tool specifically designed for gripping surgical instruments. It features a precise gripping structure 10 and appropriate holding force, enabling stable and reliable gripping of the tissue clip 100. The clamp 200, holding the tissue clip 100, inserts it into the body through a standard 12-gauge trocar channel. The 12-gauge trocar channel is a standardized surgical instrument channel that ensures smooth passage of the tissue clip 100 during insertion without causing unnecessary abrasion or damage to surrounding tissues. The tissue clip 100 is delivered along the trocar channel to the site of action for release, clamping blood vessels. After the surgical procedure, the clamp 200 removes the tissue clip 100.

[0041] In some embodiments, the rear ends of the first elastic portion 21 and the second elastic portion 22 can be fixed by welding. In other embodiments, the rear ends of the first elastic portion 21 and the second elastic portion 22 can also be connected by other means, such as bonding.

[0042] In some embodiments, the slotted positions of the first elastic portion 21 and the second elastic portion 22 are thickened, that is, the first clamping groove 211 and the second clamping groove 221 are provided in the thickened portion of the elastic portion. In this way, the thickness of the force-bearing portion of the tissue clip 100 is increased, which can improve the practicality of the tissue clip 100 and extend the service life of the tissue clip 100.

[0043] In some feasible embodiments, the first clamping portion 11 and the second clamping portion 12 are arranged along a first direction, the first elastic portion 21 and the second elastic portion 22 are arranged along the first direction, and the clamping structure 10 and the elastic structure 20 are arranged along a second direction. The first direction is perpendicular to the second direction.

[0044] Here, the arrangement direction of the first clamping part 11 and the second clamping part 12 is consistent with the arrangement direction of the first elastic part 21 and the second elastic part 22, so that the force-moving direction of the elastic structure 20 is consistent with the moving direction of the clamping structure 10, which can conveniently control the clamping structure 10, facilitate the operation of the tissue clip 100, and improve the practicality of the tissue clip 100.

[0045] Specifically, see Figure 1 , Figure 1 Arrow a indicates the first direction, and arrow b indicates the second direction. The first clamping part 11 is located above the second clamping part 12, and the first elastic part 21 is located above the second elastic part 22. The rear ends of the first elastic part 21 and the second elastic part 22 are connected and fixed. The front ends of the first elastic part 21 and the second elastic part 22 can move up and down when the elastic structure 20 is subjected to force. The first elastic part 21 is provided with a first clamping groove 211, and the second elastic part 22 is provided with a second clamping groove 221. When the clamping forceps 200 clamps the tissue clamp 100, it cooperates with the first clamping groove 211 and the second clamping groove 221, causing the first elastic part 21 and the second elastic part 22 to move along the first direction, thereby driving the first clamping part 11 and the second clamping part 12 to move.

[0046] In some feasible embodiments, the first clamping portion 11 includes a first sub-clamping portion 111 and a second sub-clamping portion 112, and the second clamping portion 12 includes a third sub-clamping portion 121 and a fourth sub-clamping portion 122. The first sub-clamping portion 111 and the third sub-clamping portion 121 are disposed opposite to each other, and the second sub-clamping portion 112 and the fourth sub-clamping portion 122 are disposed opposite to each other. The second sub-clamping portion 112 is connected to the second elastic portion 22 through the first sub-clamping portion 111, and the fourth sub-clamping portion 122 is connected to the first elastic portion 21 through the third sub-clamping portion 121. The first sub-clamping portion 111 and the third sub-clamping portion 121 extend along a first direction, and the second sub-clamping portion 112 and the fourth sub-clamping portion 122 extend along a third direction. The third direction is perpendicular to the first direction and intersects the second direction.

[0047] Specifically, see Figure 1, Figure 1 The middle arrow c indicates the third direction. The extension directions of the first sub-clamping part 111 and the second sub-clamping part 112 form a preset angle, and the extension directions of the third sub-clamping part 121 and the fourth sub-clamping part 122 also form a preset angle. This can be understood as the first clamping part 11 and the second clamping part 12 both being curved. In this way, the tissue clip 100 can better conform to the natural curvature of the blood vessel, better fit the vessel contour, and flexibly bypass surrounding tissue to reach the target blood vessel, enabling more accurate clamping operations. This allows for more convenient clamping, achieving large-angle clamping, and adapting to more complex internal structures.

[0048] The first sub-clamping part 111 and the third sub-clamping part 121 are arranged opposite to each other, and the second sub-clamping part 112 and the fourth sub-clamping part 122 are arranged opposite to each other. When the tissue clip 100 is closed, the first sub-clamping part 111 and the third sub-clamping part 121 are in contact, and the second sub-clamping part 112 and the fourth sub-clamping part 122 are in contact.

[0049] In some feasible embodiments, the first clamping groove 211 and the second clamping groove 221 have a circular cross-sectional shape perpendicular to the first direction. In this way, when removing the tissue clip 100, it is not limited by the angle of the tissue clip 100 in the body, and there is no need to spend time adjusting the clamping angle of the clamping forceps 200 on the tissue clip 100, which can reduce the operation time.

[0050] In other embodiments, the cross-sectional shapes of the first clamping groove 211 and the second clamping groove 221 in the direction perpendicular to the first direction can be set according to actual needs, for example, they can be quadrilaterals.

[0051] In some feasible embodiments, the first clamping groove 211 and the second clamping groove 221 are frustoconical grooves. Here, the clamping clamp 200 fits against the inclined surface of the frustoconical groove, and the bottom wall and side wall of the groove are simultaneously subjected to force, which can increase the force-bearing area of ​​the elastic structure 20 and improve the practicality and service life of the elastic structure 20.

[0052] In other embodiments, the shapes of the first clamping groove 211 and the second clamping groove 221 can be set according to actual needs, for example, they can be conical. The clamping clamp 200 fits against the side wall of the clamping groove, and the elastic structure 20 deforms under force, thereby opening the tissue clamp 100.

[0053] In some feasible embodiments, the tissue clip 100 further includes a first clamping arm 31 and a second clamping arm 32. The first clamping arm 31 is located between the clamping structure 10 and the elastic structure 20, and is connected to the first elastic portion 21 and the second clamping portion 12, respectively. The second clamping arm 32 is located between the clamping structure 10 and the elastic structure 20, and is connected to the second elastic portion 22 and the first clamping portion 11, respectively.

[0054] The first clamping arm 31 and the second clamping arm 32 can transmit the external force or the elastic force of the elastic structure 20 to the clamping structure 10, achieving optimized force transmission and enabling the clamping structure 10 to have sufficient clamping force to clamp the blood vessel. The clamping arms are used to connect the elastic structure 20 and the clamping structure 10, maintaining a relatively stable positional relationship between the elastic structure 20 and the clamping structure 10. This helps ensure that during the operation of the tissue clip 100, the elastic structure 20 can accurately apply force to the clamping structure 10, and the clamping structure 10 can stably clamp the object, improving the reliability and practicality of the tissue clip 100.

[0055] In some feasible embodiments, the first clamping arm 31 and the second clamping arm 32 are arranged crosswise. Specifically, the first clamping part 11 and the second clamping part 12 are arranged vertically, the first elastic part 21 and the second elastic part 22 are arranged vertically, the rear end of the first clamping part 11 is connected to the front end of the second elastic part 22, the rear end of the second clamping part 12 is connected to the front end of the first elastic part 21, and the first clamping arm 31 and the second clamping arm 32 form a cross structure.

[0056] This cleverly utilizes the structural features of the clamp arm and the elasticity of the elastic structure 20, allowing the tissue clamp 100 to open when the elastic structure 20 is applied and to close again when the force is removed due to the elasticity of its structure. This eliminates the need for manual operation when using the tissue clamp 100, thus improving its practicality.

[0057] In some embodiments, the rear end of the first clamping part 11 is integrally and fixedly connected to the front end of the second clamping arm 32, and the rear end of the second clamping part 12 is integrally and fixedly connected to the front end of the first clamping arm 31. The clamping structure 10 and the clamping arm structure are an integral component, which not only clamps blood vessels but also functions as an integral component. Therefore, during production, it can be integrally formed by mold and can be used without subsequent installation, thus improving the practicality of the tissue clip 100.

[0058] In some feasible embodiments, the first clamping part 11 and the second clamping part 12 have mutually interlocking toothed structures. Here, the toothed structures are located on the contact surfaces between the first clamping part 11 and the second clamping part 12, which can improve the clamping effect of the tissue clip 100 on the blood vessel, making it less likely for the tissue clip 100 to slip off from the target blood vessel, thereby improving the practicality of the tissue clip 100.

[0059] like Figure 3 and Figure 4As shown, this embodiment of the present disclosure also provides a clamping device, which includes a clamping forceps 200 and the tissue clip 100 described above. The clamping forceps 200 includes a first protrusion 210 and a second protrusion 220. The first protrusion 210 is used to engage with a first clamping groove 211. The second protrusion 220 is used to engage with a second clamping groove 221. In this way, it is beneficial for the clamping forceps 200 to apply force to the elastic structure 20, so that the clamping structure 10 opens, thereby facilitating the placement and removal of the tissue clip 100.

[0060] Specifically, the first protrusion 210 engages with the first clamping groove 211, and the second protrusion 220 engages with the second clamping groove 221. The clamping forceps 200 and the elastic structure 20 form a good fit, preventing the tissue clip 100 from slipping out during clamping. More specifically, the protrusion matches the shape of the clamping groove, allowing it to embed into the groove. Thus, when the clamping forceps 200 clamps the tissue clip 100, the protrusion applies force to the clamping groove, causing the tissue clip 100 to open. The clamping groove also guides the clamping forceps 200, facilitating its clamping of the tissue clip 100.

[0061] In some feasible embodiments, the first protrusion 210 and the second protrusion 220 are frustums. Here, both the first clamping groove 211 and the second clamping groove 221 are frustum-shaped grooves, and both the first protrusion 210 and the second protrusion 220 are frustums. The first protrusion 210 fits into the first clamping groove 211, and the second protrusion 220 fits into the second clamping groove 221, which facilitates the application of force by the clamping pliers 200 to the elastic structure 20. The cooperation between the frustum-shaped protrusion and the frustum-shaped groove can also improve the guiding effect on the clamping pliers 200, thereby improving the practicality of the clamping device.

[0062] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this disclosure (including the claims) is limited to these examples; within the framework of this disclosure, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of the embodiments of this disclosure as described above, which are not provided in detail for the sake of brevity.

[0063] This disclosure is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the scope of protection of this disclosure.

Claims

1. A tissue clip, characterized in that, include: The clamping structure includes a first clamping part and a second clamping part disposed opposite to each other; The elastic structure includes a first elastic part and a second elastic part disposed opposite to each other. The rear end of the first elastic part is connected to the rear end of the second elastic part. The rear end of the first clamping part is connected to the front end of the second elastic part. The rear end of the second clamping part is connected to the front end of the first elastic part. The first elastic part is provided with a first clamping groove for cooperating with a clamping pliers. The second elastic part is provided with a second clamping groove for cooperating with a clamping pliers. The first clamping groove and the second clamping groove are disposed opposite to each other.

2. The tissue clip according to claim 1, characterized in that, The first clamping portion and the second clamping portion are arranged along a first direction, the first elastic portion and the second elastic portion are arranged along the first direction, and the clamping structure and the elastic structure are arranged along a second direction; wherein, the first direction is perpendicular to the second direction.

3. The tissue clip according to claim 2, characterized in that, The first clamping part includes a first sub-clamping part and a second sub-clamping part. The second clamping part includes a third sub-clamping part and a fourth sub-clamping part. The first sub-clamping part and the third sub-clamping part are disposed opposite to each other. The second sub-clamping part and the fourth sub-clamping part are disposed opposite to each other. The second sub-clamping part is connected to the second elastic part through the first sub-clamping part. The fourth sub-clamping part is connected to the first elastic part through the third sub-clamping part. The first and third sub-clamping portions extend along the second direction, and the second and fourth sub-clamping portions extend along a third direction; wherein the third direction is perpendicular to the first direction and intersects the second direction.

4. The tissue clip according to claim 2, characterized in that, The first clamping groove and the second clamping groove have a circular cross-sectional shape perpendicular to the first direction.

5. The tissue clip according to claim 4, characterized in that, The first clamping groove and the second clamping groove are frustum-shaped grooves.

6. The tissue clip according to claim 1, characterized in that, Also includes: The first clamping arm is located between the clamping structure and the elastic structure, and is connected to the first elastic part and the second clamping part respectively; The second clamping arm is located between the clamping structure and the elastic structure, and is connected to the second elastic part and the first clamping part, respectively.

7. The tissue clip according to claim 6, characterized in that, The first clamping arm and the second clamping arm are arranged crosswise.

8. The tissue clip according to claim 1, characterized in that, The first clamping part and the second clamping part have interlocking tooth-like structures.

9. A clamping device comprising clamping forceps and a tissue clip according to any one of claims 1-8, wherein the clamping forceps comprises: The first protrusion is used to engage with the first clamping groove; The second protrusion is used to engage with the second clamping groove.

10. The clamping device according to claim 9, characterized in that, The first protrusion and the second protrusion are frustums.

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