Skin wound locking device
By designing a locking mechanism with an inclined upright plate and ratchet pawls, the problem of skin wound locking devices detaching and causing secondary damage during operation is solved, achieving high reliability and rapid healing.
Patent Information
- Application Number
- CN202422860641.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-11-22
AI Technical Summary
Existing skin wound closure devices are prone to detachment or causing secondary damage to the wound during operation, resulting in low reliability and prolonged healing time.
A skin wound closure device was designed, which adopts an inclined vertical plate and an arc-shaped base, combined with a locking mechanism of ratchet and pawl. The elastic clamping and adjustment of the spring plate ensures a stable connection between the locking mechanisms. The even distribution of the cable ties and the design of the ventilation holes prevent vertical pulling on the wound.
It improves the reliability of the locking device, reduces secondary damage to the wound, shortens the healing time, and promotes healing through the ventilation holes.
Smart Images
Figure CN223817600U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a skin wound locking device. Background Technology
[0002] The traditional method for healing surgical incisions and skin wounds (hereinafter referred to as incisions) in surgery is to suture them with needles and sutures. This method not only requires a long suturing time but also carries risks of infection and other damage. Furthermore, sutures need to be removed, resulting in a prolonged healing time and the formation of scars. Incision suturing techniques have continuously evolved, with methods including: stapled suturing, glue suturing, tape suturing, zipper suturing, and snap fastener (also known as locking device) suturing. Among these, locking device suturing is convenient, quick, has many advantages, few side effects, good adaptability, rapid healing, and does not produce scars, making it popular with both doctors and patients.
[0003] During the process of closing a skin wound, the two ends of the locking bar need to be pulled one after the other to adjust the support structure on both sides of the skin wound, so that the skin wound is tightened and aligned with the center. However, during the process of pulling the locking body to tighten and align the skin wound, the locking bar may be pulled off due to the wound being too wide or the operator being unfamiliar with the operation. This not only affects the closure of the skin wound, but may also cause secondary damage to the skin wound, resulting in low reliability. Utility Model Content
[0004] To overcome the above-mentioned shortcomings, the purpose of this utility model is to provide a skin wound locking device that can lock skin wounds with high reliability and will not cause secondary damage to the skin wounds.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is: a skin wound closing device, comprising adhesive base plates located on both sides of the wound, each of the adhesive base plates being provided with a locking mechanism, the two locking mechanisms engaging and adjustable in distance between the two adhesive base plates, the locking mechanism comprising:
[0006] The base is fixed on the bonding substrate. The base includes a vertical plate that is inclined toward another locking mechanism from the side closer to the bonding substrate to the side farther away from the bonding substrate. The connection between the vertical plate and the bonding substrate is an arc structure.
[0007] Cable tie, the cable tie is fixed to the first surface of the upright plate and extends in a first direction, the cable tie is provided with a plurality of ratchet teeth along the length direction, and the upright plate is provided with a guide hole for the cable tie of another locking mechanism to pass through;
[0008] A spring plate is fixed to the second surface of the upright plate opposite to the first surface, and the spring plate is provided with at least one pawl that engages with the ratchet tooth.
[0009] The beneficial effects of this invention are as follows: Since the bonding substrate and the upright plate are located close to the skin, the upright plate is set at an angle and has an arc structure at the connection point, forming an obtuse angle at the connection between the upright plate and the bonding substrate. This obtuse angle structure will not damage the skin and ensures high reliability. The two locking mechanisms are fixed together through the cooperation of ratchet teeth and pawls. The pawl is set on a spring plate, utilizing the spring plate's own elasticity to lock the ratchet teeth. Simultaneously, the spring plate can be pulled in the opposite direction to separate the ratchet teeth and pawls, adjusting the distance between the two locking mechanisms.
[0010] Furthermore, the spring sheet includes a first part and a second part connected sequentially along a first direction. The first part is fixed to the upright plate and parallel to the bonding substrate. The pawl is located on the first part. The second part is inclined towards the side away from the first part and away from the bonding substrate. The second part forms an upwardly angled shape, which facilitates finger pressing and increases the elasticity of the spring sheet.
[0011] Furthermore, the pawl is located on the side of the first part closer to the second part. In this position area, the pawl has a large range of movement, which facilitates separation from or engagement with the ratchet teeth.
[0012] Furthermore, the first part has a first through hole, which reduces the use of raw materials and increases the elasticity of the spring.
[0013] Furthermore, the base also includes two reinforcing plates fixed to the second surface. The two reinforcing plates are fixed to the bonding substrate and spaced apart along the second direction, with the spring piece located between the two reinforcing plates. The reinforcing plates improve the stability of the connection between the base and the bonding substrate, while also protecting the spring piece on both sides in the Y direction.
[0014] Furthermore, each of the locking mechanisms includes two cable ties, and when two locking mechanisms are engaged, the spacing between two adjacent cable ties is the same in the second direction. At this time, all cable ties are evenly distributed in the Y direction to ensure the uniformity of the tension applied by the cable ties to the bonding substrate.
[0015] Furthermore, the cross-section of the ratchet is triangular, and the hypotenuse of the triangle extends towards the base, with the inclination direction of the hypotenuse opposite to that of the upright plate.
[0016] Furthermore, when the two locking mechanisms are engaged, all the cable ties are at the same height. The tension applied by the two cable ties to the corresponding bonding substrate is at the same height, ensuring a tight fit at the wound and preventing vertical pulling on the wound.
[0017] Furthermore, the bonding substrate is also fixed with an adhesive layer for bonding to the skin, and the bonding substrate is provided with a number of breathable holes.
[0018] Furthermore, the base and the locking mechanism are integrally molded injection parts, which simplifies the process while improving the overall strength. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram showing the locked state of the two locking mechanisms in an embodiment of this utility model;
[0020] Figure 2 This is a three-dimensional structural diagram of an embodiment of the present utility model;
[0021] Figure 3 This is a three-dimensional structural diagram of another embodiment of the present utility model;
[0022] Figure 4 This is a cross-sectional view of an embodiment of the present utility model.
[0023] In the picture:
[0024] 1. Lamination substrate; 1a. First lamination substrate; 1b. Second lamination substrate;
[0025] 2. Locking mechanism; 2a. First locking mechanism; 2b. Second locking mechanism;
[0026] 21. Base; 211. Vertical plate; 2111. Arc structure; 2112. Guide hole; 212. Reinforcing plate; 22. Cable tie; 221. Ratchet; 23. Spring piece; 231. Pawl; 232. First part; 2321. First through hole; 233. Second part. Detailed Implementation
[0027] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.
[0028] See appendix Figure 1 As shown, this utility model discloses a skin wound closing device, comprising two adhesive base plates 1 located on both sides of the wound, each of which is provided with a locking mechanism 2. The two adhesive base plates 1 are respectively a first adhesive base plate 1a and a second adhesive base plate 1b, and the two locking mechanisms 2 are respectively a first locking mechanism 2a and a second locking mechanism 2b. The first locking mechanism 2a and the second locking mechanism 2b can be engaged and the distance between them can be adjusted, thereby pulling the two adhesive base plates 1 together to close the wound and achieve wound closure.
[0029] See appendix Figure 2 and attached Figure 3As shown, the locking mechanism 2 includes a base 21, a cable tie 22, and a spring piece 23. The cable tie 22 of the first locking mechanism 2a can pass through the base 21 of the second locking mechanism 2b and engage with the spring piece 23 of the second locking mechanism 2b. At the same time, the cable tie 22 of the second locking mechanism 2b can pass through the base 21 of the first locking mechanism 2a and engage with the spring piece 23 of the first locking mechanism 2a. At this time, the two locking mechanisms 2 are fixed.
[0030] The base 21 is fixed to the bonding substrate 1. The base 21 includes a vertical plate 211 extending upward along a second direction (Y direction). The vertical plate 211 is inclined towards another locking mechanism from the side near the bonding substrate 1 to the side away from the bonding substrate 1. The connection between the vertical plate 211 and the bonding substrate 1 is an arc structure 2111. Since the bonding substrate 1 and the vertical plate 211 are located close to the skin, setting the vertical plate 211 inclined and providing an arc structure 2111 at the connection ensures that the connection between the vertical plate 211 and the bonding substrate 1 does not form an acute angle less than 90°, but rather an obtuse angle. This obtuse angle structure will not damage the skin and provides high reliability.
[0031] The cable tie 22 is fixed to the first surface of the upright plate 211 and extends along the first direction (X direction). The cable tie 22 has a plurality of ratchet teeth 221 along its length. The upright plate 211 is provided with a guide hole 2112 for the cable tie 22 of another locking mechanism 2 to pass through. The spring piece 23 is fixed to the second surface of the upright plate 211 opposite to the first surface. The spring piece is provided with at least one pawl 231 that engages with the ratchet teeth 221.
[0032] In this embodiment, the two locking mechanisms 2 are fixed by the cooperation of ratchet 221 and pawl 231. Pawl 231 is set on spring plate 23, and the elasticity of spring plate 23 is used to lock ratchet 221. At the same time, spring plate 23 can be pulled in the opposite direction to separate ratchet 221 and pawl 231, thereby adjusting the distance between the two locking mechanisms 2.
[0033] The spring piece 23 is located above the guide hole 2112 and can swing up and down. The spring piece 23 includes a first part 232 and a second part 233 connected sequentially along a first direction. The first part 232 is fixed to the upright plate 211 and parallel to the bonding substrate 1, and the pawl 231 is located on the first part 232. The second part 233 is inclined from near the first part 232 to away from the first part 232 towards the side away from the bonding substrate 1. At this time, the second part 233 forms an upwardly angled pattern, which facilitates finger pressing and increases the elasticity of the spring piece 23.
[0034] The pawl 231 is located on the side of the first part 232 near the second part 233. In this location, the pawl 231 has a large range of movement, which facilitates separation or engagement with the ratchet 221. In one embodiment, two pawls 231 are provided, which are distributed along the X direction. The structure of one pawl 231 opposite to the other makes the engagement of the spring clip 23 and the cable tie 22 more stable.
[0035] See appendix Figure 2 As shown, the first part 232 has a first through hole 2321. The setting of the first through hole 2321 reduces the use of raw materials and increases the elasticity of the spring piece 23.
[0036] The base 21 further includes two reinforcing plates 212 fixed to the second surface. The two reinforcing plates 212 are fixed to the bonding substrate 1 and spaced apart along the second direction. The spring piece 23 is located between the two reinforcing plates 212. The reinforcing plates improve the stability of the connection between the base 21 and the bonding substrate 1, and at the same time protect the spring piece 23 on both sides in the Y direction.
[0037] See appendix Figure 3 and attached Figure 1 As shown, each of the locking mechanisms 2 includes two cable ties 22. When the two locking mechanisms are engaged, the spacing between two adjacent cable ties 22 in the second direction is the same. At this time, all cable ties 22 are evenly distributed in the Y direction to ensure the uniformity of the tension applied by the cable ties 22 to the bonding substrate 1.
[0038] When the two locking mechanisms 2 are engaged, the two cable ties 22 of the first locking mechanism 2a are located between the two cable ties 22 of the second locking mechanism 2b. The guide hole 2112 allows only one cable tie 22 to pass through, thus limiting the position of the cable tie 22 in the Y direction and effectively preventing the cable tie 22 from shifting in the Y direction.
[0039] See appendix Figure 4 As shown, the cross-section of the ratchet 221 is triangular, and the hypotenuse of the triangle extends towards the base 21. The inclination direction of the hypotenuse is opposite to the inclination direction of the upright plate 211. Multiple ratchet teeth 221 are evenly distributed along the X direction to engage with the pawl 231 at different positions of the cable tie 22.
[0040] When the two locking mechanisms are engaged, all the cable ties 22 are at the same height. This means that the tension applied by the two cable ties 22 to the corresponding bonding substrate 1 is at the same height, allowing the wound to fit tightly without causing vertical pulling on the wound.
[0041] In use, the bonding substrate 1 is also fixed with an adhesive layer for bonding to the skin, and the bonding substrate 1 is provided with a plurality of breathable holes. The adhesive layer is attached to the skin surface, and multiple bonding substrates 1 can be fixed on one adhesive layer.
[0042] The bonding substrate 1 and the locking mechanism 2 are integrally molded injection parts, which are easy to process and have a certain degree of elasticity.
[0043] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They cannot be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.
Claims
1. A skin wound closing device, comprising adhesive base plates located on both sides of a wound, each of the adhesive base plates being provided with a locking mechanism, the two locking mechanisms engaging and adjustable in distance between the two adhesive base plates, characterized in that: The locking mechanism includes: The base is fixed on the bonding substrate. The base includes a vertical plate that is inclined toward another locking mechanism from the side closer to the bonding substrate to the side farther away from the bonding substrate. The connection between the vertical plate and the bonding substrate is an arc structure. Cable tie, the cable tie is fixed to the first surface of the upright plate and extends in a first direction, the cable tie is provided with a plurality of ratchet teeth along the length direction, and the upright plate is provided with a guide hole for the cable tie of another locking mechanism to pass through; A spring plate is fixed to the second surface of the upright plate opposite to the first surface, and the spring plate is provided with at least one pawl that engages with the ratchet tooth.
2. The skin wound closing device according to claim 1, characterized in that: The spring includes a first part and a second part connected sequentially along a first direction. The first part is fixed to the upright plate and parallel to the bonding substrate. The pawl is located on the first part. The second part is inclined from near the first part to away from the first part towards the side away from the bonding substrate.
3. The skin wound closing device according to claim 2, characterized in that: The pawl is located on the side of the first part closer to the second part.
4. The skin wound closing device according to claim 2, characterized in that: The first part has a first through hole.
5. The skin wound closing device according to claim 1, characterized in that: The base also includes two reinforcing plates fixed to the second surface. The two reinforcing plates are fixed to the bonding substrate and spaced apart along the second direction. The spring sheet is located between the two reinforcing plates.
6. The skin wound closing device according to any one of claims 1-5, characterized in that: Each of the locking mechanisms includes two cable ties, and when the two locking mechanisms are engaged, the spacing between two adjacent cable ties is the same in the second direction.
7. The skin wound closing device according to claim 1, characterized in that: The cross-section of the ratchet is triangular, and the hypotenuse of the triangle extends toward the base. The inclination direction of the hypotenuse is opposite to the inclination direction of the upright plate.
8. The skin wound closing device according to claim 1, characterized in that: When the two locking mechanisms are engaged, all the cable ties are at the same height.
9. The skin wound closing device according to claim 1, characterized in that: The bonding substrate is also fixed with an adhesive layer for bonding to the skin, and the bonding substrate is provided with a number of breathable holes.
10. The skin wound closing device according to claim 1, characterized in that: The base and the locking mechanism are integrally molded injection parts.