Rapid skin stitching instrument for animal test operation

By designing a rapid skin suture device for animal experiments with limiting and adjusting mechanisms, precise positioning of animal skin and adjustment of suture depth were achieved, solving the problems of poor suture accuracy and quality in existing technologies, and improving suture efficiency and the reliability of experimental results.

CN224155823UActive Publication Date: 2026-04-24JIANGSU JICUI MEDICAL ENG CROSS TECH RES INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU JICUI MEDICAL ENG CROSS TECH RES INST CO LTD
Filing Date
2024-12-23
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing rapid skin suture devices for animal experiments cannot effectively gather the skin on both sides of the wound during the suturing process, resulting in poor suturing precision and quality, increasing the risk of infection and prolonging the animal's recovery time, thus affecting the accuracy of experimental results.

Method used

A rapid skin suture device for animal testing surgery, including a limiting mechanism and an adjustment mechanism, was designed. Through components such as sliding blocks, clamps, connecting rods, and transmission blocks, it achieves accurate positioning of the skin and precise adjustment of the suture depth, ensuring effective clamping of the suture staples and adapting to different animal skin thicknesses.

Benefits of technology

It improves the accuracy and efficiency of suturing operations, ensures suturing quality, reduces the risk of infection, shortens animal recovery time, and enhances the reliability of experimental results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of skin stitching instruments, and discloses a rapid skin stitching instrument for an animal test operation, which comprises a main body, the main body is provided with a limiting mechanism for clamping animal skin, and the front end of the main body is provided with an adjusting mechanism for adjusting stitching depth; the limiting mechanism comprises two sliding blocks, the close sides of the two sliding blocks are rotationally connected with clamping plates, the close sides of the two clamping plates are rotationally connected with connecting rods, the close sides of the two connecting rods are rotationally connected with transmission blocks, and the close sides of the two clamping plates are fixedly connected with connecting plates. A fixing assembly used for fixing the limiting block is arranged at the rear end of the transmission block. According to the animal skin limiting device, the accuracy and reliability of animal skin limiting are guaranteed, the skin can be conveniently sewn, the early-stage preparation efficiency of the whole sewing operation is greatly improved, and a solid foundation is laid for follow-up high-quality sewing work.
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Description

Technical Field

[0001] This utility model relates to the field of skin suture device technology, and in particular to a rapid skin suture device for animal experimental surgery. Background Technology

[0002] With the continuous development of modern surgical techniques, the requirements for surgical instruments are becoming increasingly stringent. In human surgery, the emergence of automated suture devices has improved surgical efficiency and quality. These experiences have inspired the field of animal testing, prompting researchers to explore rapid skin suture devices suitable for animal experiments. For example, in surgical models of large animals such as dogs and pigs, principles similar to those used in human surgery have been adopted. The skin thickness and toughness of these large animals are somewhat similar to human skin, providing a reference basis for the development of rapid skin suture devices for animal experiments.

[0003] The rapid skin suture device for animal testing mainly consists of a staple cartridge assembly, a firing mechanism, an anastomosis mechanism, a housing, and a handle. By aligning the staple cartridge with the edge of the incision on the animal's skin and then pressing the trigger of the firing mechanism, the firing mechanism pushes the staples in the cartridge. Once the staples have passed through the skin, the anastomosis mechanism immediately takes effect, bending the two ends of the staples that have passed through the skin inward and tightly clamping the skin tissue in the middle. In this way, the skin incision is brought together and fixed together by the staples, completing the rapid suturing of the skin.

[0004] Currently available rapid skin suture devices for animal testing have significant drawbacks. In practical applications, they cannot bring together the skin on both sides of the suture wound. This deficiency greatly affects the precision and quality of suturing, easily leading to poor wound closure, which in turn increases the risk of infection, prolongs the postoperative recovery time of animals, and may even affect the accuracy and reliability of experimental results. Therefore, a rapid skin suture device for animal testing is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a rapid skin suturing device for animal testing, which aims to improve the problem that the prior art cannot perform a gathering operation on both sides of the sutured wound.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A rapid skin suture device for animal testing surgery includes a main body, the main body being provided with a restraining mechanism for clamping animal skin, and the front end of the main body being provided with an adjustment mechanism for adjusting the suture depth;

[0008] The limiting mechanism includes two sliding blocks, with clamping plates rotatably connected to adjacent sides of the two sliding blocks, connecting rods rotatably connected to adjacent sides of the two clamping plates, a transmission block rotatably connected to adjacent sides of the two connecting rods, and a connecting plate fixedly connected to adjacent sides of the two clamping plates. A fixing component for fixing the limiting mechanism is provided at the rear end of the transmission block.

[0009] As a further description of the above technical solution:

[0010] The connecting plate has a groove on its outside, the transmission block is slidably connected to the inside of the groove, and the main body has a stitching pin inside;

[0011] As a further description of the above technical solution:

[0012] The fixing component includes a control rod, and a fixing block is slidably connected to the outside of the control rod;

[0013] As a further description of the above technical solution:

[0014] The sliding block has a sliding groove on its outside, and the control rod is slidably connected to the inside of the sliding groove.

[0015] As a further description of the above technical solution:

[0016] The sliding block has a fixing groove on its outside, and the outside of the fixing block is slidably connected to the inside of the fixing groove;

[0017] As a further description of the above technical solution:

[0018] The main body has a sliding groove on its exterior, and a gun handle is rotatably connected to the interior of the main body.

[0019] As a further description of the above technical solution:

[0020] The adjustment mechanism includes a rotating block, the outer side of which is rotatably connected to the front end of the main body, and the inner side of which is rotatably connected to a transmission rod. The end of the transmission rod away from the rotating block is rotatably connected to an adjustment block, and the outer side of the adjustment block is slidably connected to the interior of the main body.

[0021] As a further description of the above technical solution:

[0022] The front end of the rotating block is rotatably connected to a fixed rod, and the fixed rod is threadedly connected to the main body.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, the transmission block drives the clamping plate to limit the animal's skin when it slides. The transmission block slides stably in the groove of the connecting plate, and its displacement is accurately converted into the rotation and closing action of the clamping plate. This not only ensures the accuracy and reliability of limiting the animal's skin and facilitates skin suturing, but also greatly improves the efficiency of the preparatory work of the entire suturing operation, laying a solid foundation for high-quality suturing work in the future.

[0025] 2. In this utility model, the rotation of the rotating block causes the transmission rod to drive the adjusting block to slide, thereby cleverly changing the range and depth of the suture staples to adapt to the skin thickness of different animals. This ensures that each suture is performed at the optimal depth, maximizing the suture quality and the animal's postoperative recovery, and greatly improving the flexibility and professionalism of skin suturing operations in animal experimental surgeries. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of the rapid skin suturing device for animal testing proposed in this utility model;

[0027] Figure 2 This is a schematic diagram of the connecting plate of the rapid skin suturing device for animal testing proposed in this utility model;

[0028] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0030] Legend:

[0031] 1. Main body; 2. Sliding block; 3. Clamping plate; 4. Connecting plate; 5. Transmission block; 6. Connecting rod; 7. Control rod; 8. Fixing block; 9. Fixing groove; 10. Sliding groove one; 11. Rotating block; 12. Transmission rod; 13. Adjusting block; 14. Fixing rod; 15. Sliding groove two; 16. Seam staple; 17. Gun handle. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Reference Figures 1 to 3This utility model provides an embodiment of a rapid skin suture device for animal testing surgery, comprising a main body 1. The main body 1 serves to support other components and provide basic support for the entire suturing operation. The main body 1 is equipped with a restraining mechanism for clamping the animal skin. This restraining mechanism effectively fixes the animal skin, preventing skin displacement during suturing and thus ensuring the accuracy and quality of the suturing. The front end of the main body 1 is equipped with an adjustment mechanism for adjusting the suturing depth. This adjustment mechanism allows for precise control of the suturing depth based on the skin characteristics of different animals, ensuring the adaptability and high-quality completion of the suturing operation.

[0034] The restraining mechanism includes two sliding blocks 2, which can slide flexibly on the main body 1 to adapt to wounds of different lengths, facilitating corresponding operations at wounds of varying lengths. The sliding of the two sliding blocks 2 allows the entire restraining mechanism to cover the appropriate position, better restricting the skin. A clamping plate 3 is rotatably connected to the adjacent side of each of the two sliding blocks 2. The clamping plate 3 can be rotated to adjust its angle, thus better conforming to the surface shape of the animal's skin, ensuring a tight clamping of the skin and providing a stable foundation for subsequent suturing. A connecting rod 6 is rotatably connected to the adjacent side of each of the two clamping plates 3, and a transmission block 5 is rotatably connected to the adjacent side of each of the two connecting rods 6. The connecting rod 6 serves to connect and transmit force. When the transmission block 5 moves, the connecting rod 6 transmits force to the clamping plate 3, causing it to perform corresponding movements, ensuring the linkage of the entire restraining mechanism. The transmission block 5, as a key transmission component, can drive the movement of other related components through its sliding, thereby enabling the clamping operation of the clamping plate 3 on the skin. It is the core link in realizing the function of the entire restraining mechanism.

[0035] A connecting plate 4 is fixedly connected to one side of each of the two clamping plates 3. The connecting plate 4 serves the dual purpose of connecting the clamping plates 3 and providing a sliding track for the transmission block 5, making the connection between the components more stable and the movement more orderly. A fixing component is provided at the rear end of the transmission block 5 to secure the restraint. This component ensures that the clamping plate 3 will not easily loosen after clamping the skin, maintaining a stable restraint on the skin and ensuring smooth suturing. A groove is formed on the outside of the connecting plate 4, and the transmission block 5 is slidably connected to the inside of the groove. This connection method ensures that the transmission block 5 can slide stably along the predetermined groove, thereby accurately driving the clamping plate 3 to complete the corresponding action, making the operation of the entire restraint mechanism more reliable. The main body 1 is equipped with suture pins 16, which are key components for suturing the skin. Their number and specifications must be adapted to different animal skin conditions to ensure effective suturing. The sliding block 2 has a sliding groove 10 on its outside and a fixing groove 9 on its outside. The fixing component includes a control rod 7. The control rod 7 is a key component for controlling the operation of the fixing component. By sliding in the sliding groove 10, it can drive the transmission block 5 to move, thereby triggering a series of subsequent actions. It is an important part of starting and controlling the operation of the limiting mechanism.

[0036] The control lever 7 is externally slidably connected to a fixing block 8. The fixing block 8 can slide on the control lever 7 and slide into the fixing groove 9 at the appropriate time to lock it, ensuring that the clamping state of the clamp 3 on the animal skin remains stable and preventing accidental loosening. The control lever 7 is externally slidably connected inside the sliding groove 10. The sliding groove 10 provides a track for the sliding of the control lever 7, limiting its direction of movement and ensuring that the control lever 7 can accurately transmit power to drive the related components to work together. The fixing block 8 is externally slidably connected inside the fixing groove 9. The fixing groove 9 provides a fixed position for the fixing block 8, so that the fixing block 8 can reliably lock the state of the entire limiting mechanism and maintain the clamping effect on the animal skin. The main body 1 has a second sliding groove 15 on its exterior, and a handle 17 is rotatably connected inside the main body 1. The second sliding groove 15 allows the sliding block 2 to slide smoothly, meeting the position adjustment needs when suturing wounds of different lengths. The handle 17 is the grip part for medical personnel to operate the suture device for suturing, making it convenient for medical personnel to exert force for suturing operations.

[0037] Reference Figure 1 , Figure 2 and Figure 4The adjustment mechanism includes a rotating block 11, which serves as the operating component. Medical personnel initiate the entire depth adjustment process by rotating the rotating block 11, allowing for convenient and quick adjustment of the suture depth. The rotating block 11 is externally rotatably connected to the front end of the main body 1. This connection ensures that the rotating block 11 can rotate flexibly around the connection point, accurately transmitting external force to the subsequent transmission components to achieve the adjustment function. An internal transmission rod 12 is rotatably connected to the rotating block 11. An adjustment block 13 is rotatably connected to the end of the transmission rod 12 furthest from the rotating block 11. The transmission rod 12 rotates under the drive of the rotating block 11, transmitting force to the adjustment block 13 and pushing it to move. This is a crucial link in the power transmission of the adjustment mechanism.

[0038] The adjusting block 13 slides inside the main body 1 under the push of the transmission rod 12, thereby adjusting the suturing range of the suture staple 16 to adapt to the suturing needs of different animals with different skin thicknesses, ensuring the accuracy and quality of suturing. The external sliding connection of the adjusting block 13 is inside the main body 1. This sliding connection ensures that the adjusting block 13 can move stably in the set direction, accurately changing the relevant parameters of the suture staple 16, and achieving effective adjustment of the suturing depth. The front end of the rotating block 11 is rotatably connected to a fixing rod 14, which is threaded to the main body 1. The fixing rod 14 serves two purposes: firstly, it provides a certain degree of fixation, ensuring the stability of the rotating block 11 when not in operation; secondly, it participates in the adjustment process, ensuring that the adjustment action of the entire adjusting mechanism is accurate and reliable, and maintaining the stability of the adjusted state.

[0039] Working principle: When medical personnel use the suture device to suture animal skin wounds, by pulling the fixing block 8, the control rod 7 slides inside the sliding groove 10. This causes the control rod 7 to drive the transmission block 5 to slide outside the connecting plate 4. Through the sliding of the transmission block 5, the connecting plates 4 on both sides drive the clamping plates 3 to clamp the skin on both sides of the animal's wound to be sutured, facilitating suturing and ensuring suturing quality. After clamping, the fixing block 8 can slide outside the control rod 7, allowing it to slide into the fixing groove 9, thus ensuring that the clamped skin of the animal will not easily loosen. At this time, the suturing operation can be performed by pressing the gun handle 17. The sliding block 2 slides inside the sliding groove 15, which can adapt to the suturing of wounds of different lengths. By clamping the skin and ensuring that it remains clamped even when the suture device slides, it greatly facilitates the suturing of longer wounds, improves suturing efficiency, reduces the probability of infection caused by manual wound handling, and ensures the cleanliness of the medical personnel's hands.

[0040] Since different animals have different skin thicknesses, the suturing range of the suture nail 16 can be adjusted by rotating the rotating block 11, causing the transmission rod 12 to push the adjusting block 13 to slide outside the main body 1. This adapts to the suturing needs of different animals with different skin thicknesses, increases the suturing range, and ensures the quality of the suturing.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rapid skin suture device for animal testing, comprising a main body (1), characterized in that: The main body (1) is provided with a limiting mechanism for clamping the animal skin, and the front end of the main body (1) is provided with an adjustment mechanism for adjusting the suture depth; The limiting mechanism includes two sliding blocks (2), with a clamping plate (3) rotatably connected to one side of each sliding block (2), a connecting rod (6) rotatably connected to one side of each clamping plate (3), a transmission block (5) rotatably connected to one side of each connecting rod (6), a connecting plate (4) fixedly connected to one side of each clamping plate (3), and a fixing component for fixing the limiting mechanism is provided at the rear end of the transmission block (5).

2. The rapid skin suture device for animal testing according to claim 1, characterized in that: The connecting plate (4) has a groove on its outside, the transmission block (5) is slidably connected to the inside of the groove, and the main body (1) has a stitching nail (16) inside.

3. The rapid skin suture device for animal testing according to claim 1, characterized in that: The fixing component includes a control rod (7), and a fixing block (8) is slidably connected to the outside of the control rod (7).

4. The rapid skin suture device for animal testing according to claim 3, characterized in that: The sliding block (2) has a sliding groove (10) on its outside, and the control rod (7) is slidably connected to the inside of the sliding groove (10).

5. The rapid skin suture device for animal testing according to claim 4, characterized in that: The sliding block (2) has a fixing groove (9) on its outside, and the fixing block (8) is slidably connected to the inside of the fixing groove (9).

6. The rapid skin suture device for animal testing according to claim 1, characterized in that: The main body (1) has a sliding groove (15) on its outside, and a gun handle (17) is rotatably connected inside the main body (1).

7. The rapid skin suture device for animal testing according to claim 1, characterized in that: The adjustment mechanism includes a rotating block (11), which is rotatably connected to the front end of the main body (1) on the outside. A transmission rod (12) is rotatably connected to the inside of the rotating block (11). An adjustment block (13) is rotatably connected to one end of the transmission rod (12) away from the rotating block (11). The adjustment block (13) is slidably connected to the inside of the main body (1) on the outside.

8. The rapid skin suture device for animal testing according to claim 7, characterized in that: The front end of the rotating block (11) is rotatably connected to a fixed rod (14), and the fixed rod (14) is threadedly connected to the main body (1).