Limb scar compression device

Abstract

The utility model discloses a four-limb scar compression device which comprises a soft substrate used for covering the position of a scar, a soft pressing piece used for compressing the scar is fixedly arranged on the inner surface of the soft substrate, and at least two first fastening belts which are sequentially arranged in the length direction of a limb are fixedly arranged at the left end of the soft substrate. The right end of the soft substrate is fixedly provided with second fastening belts corresponding to the first fastening belts in a one-to-one mode, and connecting length adjusting structures are arranged between the free ends of the first fastening belts and the free ends of the corresponding second fastening belts. The pressure on the non-scar part is reduced, the air permeability is good, the influence on limb movement is small, and the compression effect is good.

Description

Technical Field

[0001] This utility model relates to the field of scar compression device technology, and in particular to a scar compression device for the limbs. Background Technology

[0002] The limbs are among the most prone to scar hyperplasia in the human body. The 2020 edition of the "Expert Consensus on Early Treatment of Scars" points out that early intervention in the initial stage of scar formation can better prevent, control, or slow down scar hyperplasia and contracture, reducing the need for secondary surgical repair. Effective intervention methods include pressure therapy; continuous scar compression treatment can reduce scar congestion, inhibit scar thickening, and improve itching, making it a treatment option worth considering.

[0003] Currently, the main scar compression products are elastic garments or elastic sleeves, which are primarily suitable for scars after large-area or sheet-like burns, requiring complete limb coverage. However, in clinical practice, linear scars or isolated small-area scars on the limbs are more common, such as scars left after trauma, fracture surgery, or excision of superficial tumors. The number of these patients far exceeds that of burn scar patients. If full-coverage elastic sleeves are used on such scars, it will cause excessive pressure on non-scarred areas, poor breathability, and affect limb movement. Therefore, the experience and comfort are poor, patient compliance is low, and it is difficult to promote their use. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a limb scar compression device that reduces pressure on non-scarred areas, has good breathability, and has little impact on limb movement.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is: a limb scar compression device, including a soft substrate for covering the scar area, a soft pressure plate for compressing the scar fixed on the inner surface of the soft substrate, at least two first fastening bands arranged sequentially along the length of the limb fixed at the left end of the soft substrate, and a second fastening band corresponding to the first fastening bands fixed at the right end of the soft substrate, and a connection length adjustment structure provided between the free ends of the first fastening bands and the corresponding second fastening bands.

[0006] As a preferred technical solution, the connection length adjustment structure includes an adjustment seat fixedly disposed on the outer side of the free end of the first fastening band, a through-passing channel being formed between the adjustment seat and the first fastening band, the through-passing channel being used to insert the second fastening band; an adjustment mounting hole perpendicular to the through-passing channel is provided through the adjustment seat, an adjustment post is installed in the adjustment mounting hole, a plurality of circumferentially evenly distributed adjustment teeth are fixedly disposed on the end of the adjustment post near the second fastening band, a plurality of adjustment transmission teeth for meshing with the adjustment teeth are arranged on the lower part of the outer surface of the second fastening band, a plurality of evenly distributed anti-reverse ratchet teeth are provided on the outer periphery of the adjustment post away from the second fastening band, and an anti-reverse pawl corresponding to the anti-reverse ratchet teeth is provided on the adjustment seat.

[0007] As a preferred technical solution, a first connection structure is provided between the first fastening band and the soft substrate.

[0008] As a preferred technical solution, the first connection structure includes a first connection groove formed on the left end face of the flexible substrate, and the fixing end of the first fastening band is inserted into the first connection groove; a first connection hole is provided through the first connection groove on the flexible substrate, and a first connection screw passing through the first fastening band is installed on the first connection hole; a first groove is provided on the inner surface of the flexible substrate to prevent the corresponding end of the first connection screw from protruding from the inner surface of the flexible substrate.

[0009] As a preferred technical solution, a second connection structure is provided between the second fastening band and the soft substrate.

[0010] As a preferred technical solution, the second connection structure includes a first connection groove formed on the right end face of the flexible substrate, and the fixing end of the second fastening band is inserted into the first connection groove; a second connection hole is provided through the flexible substrate at the second connection groove, and a second connection screw is installed in the second connection hole and passes through the second fastening band; a second groove is provided on the inner surface of the flexible substrate to prevent the corresponding end of the second connection screw from protruding from the inner surface of the flexible substrate.

[0011] As a preferred technical solution, the Shore hardness of the soft substrate is 55-70 HA.

[0012] As a preferred technical solution, the Shore hardness of the soft tablet is 25-40 HA.

[0013] Due to the adoption of the above technical solution, the limb scar compression device includes a soft substrate for covering the scar area. A soft pressure pad for compressing the scar is fixed on the inner surface of the soft substrate. At least two first fastening bands arranged sequentially along the length of the limb are fixed at the left end of the soft substrate, and a second fastening band corresponding to each of the first fastening bands is fixed at the right end of the soft substrate. A connection length adjustment structure is provided between the free ends of the first fastening bands and the corresponding second fastening bands. This invention uses the connection of the first and second fastening bands to form a fixation on the limb, eliminating the need for full limb wrapping. Pressure on non-scarred areas is reduced, breathability is good, and the impact on limb movement is minimal. The scar area is compressed by the soft pressure pad protruding from the inner surface of the soft substrate, providing a clear compression range. Compared to wide-area compression, it offers better fit and a more prominent compression effect. The connection length adjustment structure allows for adjustment of the connection lengths of the first and second fastening bands, thereby indirectly adjusting the covering force of the soft substrate. This adjustment is then transmitted to the soft compression pad to adjust the pressure, making the pressure controllable. Furthermore, the adjustment of different connection lengths of multiple fastening bands facilitates adaptive use to accommodate differences in the thickness of different limb locations and to adapt to the varying pressure requirements of different scar locations, further enhancing the compression effect. Attached Figure Description

[0014] The following figures are intended only to illustrate and explain the present invention and do not limit the scope of the present invention. Wherein:

[0015] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model;

[0016] Figure 2 yes Figure 1 A top-view structural diagram;

[0017] Figure 3 yes Figure 1 An enlarged structural diagram of the first connecting structure in the middle;

[0018] Figure 4 yes Figure 1 Enlarged structural diagram of the connection length adjustment structure in the middle;

[0019] Figure 5 yes Figure 4 A schematic diagram of the AA structure;

[0020] Figure 6 yes Figure 4 Enlarged schematic diagram of the BB structure;

[0021] Figure 7 yes Figure 4Diagram showing the state of the second fastening belt after the adjusting teeth disengage from the adjusting transmission teeth.

[0022] In the diagram: 1-Soft substrate; 11-Soft pressure plate; 2-First fastening band; 21-First connecting structure; 22-First connecting groove; 23-First connecting hole; 24-First connecting screw; 25-First groove; 3-Second fastening band; 31-Second connecting structure; 4-Connecting length adjustment structure; 41-Adjusting seat; 42-Through-through channel; 43-Adjusting mounting hole; 44-Adjusting column; 45-Adjusting tooth; 46-Adjusting transmission tooth; 47-Anti-reverse ratchet; 48-Anti-reverse pawl; 51-Engagement retaining spring; 52-Engagement position limiting step; 6-Pawl mounting ring groove; 61-Anti-reverse spring plate; 62-Pawl section; 63-Spring plate positioning protrusion; 64-Spring plate positioning hole; 9-Limb. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments. In the following detailed description, only certain exemplary embodiments of the present invention are described by way of illustration. Undoubtedly, those skilled in the art will recognize that various modifications can be made to the described embodiments without departing from the spirit and scope of the present invention. Therefore, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

[0024] like Figures 1 to 7 As shown, the limb scar compression device includes a soft substrate 1 for covering the scar area, and a soft pressure plate 11 for compressing the scar is fixed on the inner surface of the soft substrate 1. This embodiment relies on the soft properties of the soft substrate 1 to form a matrix structure covering the scar area to transmit pressure. The soft pressure plate 11, conforming to the shape of the scar, forms concentrated pressure on its inner surface, resulting in a clear compression range and better compression effect. In this embodiment, in various sheet-like and strip-like structures, the side closer to the limb 9 is the inner surface, and the side farther from the limb 9 is the outer surface, to more clearly illustrate the structural principle.

[0025] The soft pressure pad 11 can be fixed to the soft substrate 1 by detachable adhesive or other means, so as to facilitate the replacement of the soft pressure pad 11 with the corresponding shape for different scar shapes. Both the soft substrate 1 and the soft pressure pad 11 can be made of silicone material. The soft substrate 1 is preferably made of a hardness that can produce soft deformation and promote the soft pressure pad 11 to conform to the surface of the limb 9. Preferably, the Shore hardness of the soft substrate 1 is 55-70 HA. The soft pressure pad 11 is preferably made of a hardness that can produce flexible pressure on the scar to promote conformation and improve the pressure effect. Preferably, the Shore hardness of the soft pressure pad 11 is 25-40 HA.

[0026] At least two first fastening straps 2 are fixedly provided at the left end of the soft substrate 1, arranged sequentially along the length of the limb 9; and a second fastening strap 3, corresponding one-to-one with the first fastening straps 2, is fixedly provided at the right end of the soft substrate 1. Figure 2 As shown in the illustration, this embodiment illustrates that there are three of each of the first fastening band 2 and the second fastening band 3. The fastening bands, connected and fixed to the limb 9, reduce pressure on non-scarred areas, improve breathability, and minimize impact on limb 9 movement. The definitions of "left" and "right" in this embodiment are based on the human body's perception of left and right orientation and are intended to clarify the structural principle, not to limit the scope of protection. The first fastening band 2 and the second fastening band 3 can be implemented using woven straps or plastic straps; this embodiment illustrates a plastic strap.

[0027] In this embodiment, a first connecting structure 21 is provided between the first fastening band 2 and the soft substrate 1 to fix the first fastening band 2 on the soft substrate 1. More specifically, as shown... Figure 3 As shown, the first connecting structure 21 includes a first connecting groove 22 formed on the left end face of the soft substrate 1, and the fixing end of the first fastening band 2 is inserted into the first connecting groove 22; a first connecting hole 23 is provided through the first connecting groove 22 on the soft substrate 1, and a first connecting screw 24 passing through the first fastening band 2 is installed in the first connecting hole 23. A fixed connection is formed by inserting the fastening band into the connecting groove and then tightening it with a screw. The first fastening band 2 is reliably connected to the soft substrate 1, and the connecting groove insertion method avoids contact between the connecting structure and the surface of the limb 9, preventing scratches and other problems, and also prevents excessive pressure on the left end of the soft substrate 1 on the limb 9. Preferably, a first groove 25 is provided on the inner surface of the soft substrate 1 to prevent the corresponding end of the first connecting screw 24 from protruding from the inner surface of the soft substrate 1, further preventing contact between the connecting structure and the surface of the limb 9.

[0028] Similarly, a second connecting structure 31 is provided between the second fastening band 3 and the flexible substrate 1. The second connecting structure 31 includes a first connecting groove 22 formed on the right end face of the flexible substrate 1. The fixed end of the second fastening band 3 is inserted into the first connecting groove 22. A second connecting hole is provided through the flexible substrate 1 at the second connecting groove. A second connecting screw passing through the second fastening band 3 is installed in the second connecting hole. A second groove is provided on the inner surface of the flexible substrate 1 to prevent the corresponding end of the second connecting screw from protruding from the inner surface of the flexible substrate 1.

[0029] A connection length adjustment structure 4 is provided between the free ends of the first fastening band 2 and the corresponding second fastening band 3. Through the connection length adjustment structure 4, the first fastening band 2 and the second fastening band 3 can both fix the limb 9 and adjust the pressure by adjusting the connection length.

[0030] like Figures 4 to 6 As shown, the connection length adjustment structure 4 in this embodiment includes an adjustment seat 41 fixedly disposed on the outside of the free end of the first fastening band 2. A through-passage 42 is formed between the adjustment seat 41 and the first fastening band 2. The adjustment seat 41 can be integrally injection molded with the first fastening band 2. The through-passage 42 is used to insert the second fastening band 3. An adjustment mounting hole 43 is provided through the adjustment seat 41 and perpendicular to the through-passage 42. An adjustment post 44 is installed in the adjustment mounting hole 43, thereby allowing the adjustment post 44 to have the freedom of rotation and axial sliding within the adjustment mounting hole 43. The adjusting post 44 is fixed with a plurality of circumferentially evenly distributed adjusting teeth 45 at one end near the second fastening band 3. The lower part of the outer surface of the second fastening band 3 is provided with a plurality of adjusting transmission teeth 46 for meshing with the adjusting teeth 45. The adjusting post 44 is provided with a plurality of evenly distributed anti-reverse ratchet teeth 47 on the outer periphery away from the second fastening band 3. The adjusting seat 41 is provided with anti-reverse pawls 48 corresponding to the anti-reverse ratchet teeth 47.

[0031] When the second fastening band 3 is inserted into the insertion channel 42, the adjusting transmission tooth 46 engages with the adjusting paddle tooth 45, and through this engagement, the adjusting column 44 rotates passively. During the rotation of the adjusting column 44, several anti-retraction ratchet teeth 47 sequentially pass over the anti-retraction pawl 48. When the first fastening band 2 and the second fastening band 3 are basically secured on the limb 9, the insertion of the second fastening band 3 is stopped, and the adjusting column 44 is manually rotated in the same direction to adjust the pressure of the soft pressure plate 11. The final pressure should be 20-25 mmHg. After adjustment, the limb 9 exerts a counter-stretching force on the fastening band, creating a force that causes the second fastening band 3 to retract from the insertion channel 42. This force ensures that one of the anti-retraction ratchet teeth 47 reliably abuts against the anti-retraction pawl 48, preventing the second fastening band 3 from retracting from the insertion channel 42, thus ensuring reliable fastening.

[0032] When it is necessary to release the fastening action, such as Figure 7 As shown, by pulling the adjusting column 44 away from the second fastening band 3, the adjusting tooth 45 is disengaged from the adjusting transmission tooth 46, the restriction on the second fastening band 3 is released, and it can be freely withdrawn from the through-channel 42. In this embodiment, it can be removed from the limb 9.

[0033] Accordingly, the adjusting column 44 should first have the ability to be in a position that can mesh with the adjusting transmission gear 46 in a free state. Specifically, as shown in the figure... Figure 4 As shown, a retaining spring 51 is fitted on the adjusting column 44 between the adjusting tooth 45 and the adjusting column 44. A engagement position limiting step 52 is provided on the end of the adjusting column 44 extending out of the adjusting mounting hole 43. In actual installation, an adjusting operation cap is installed on the end of the adjusting column 44 extending out of the adjusting mounting hole 43 via a radial bolt, thereby improving the convenience of the adjusting operation while forming the aforementioned engagement position limiting step 52.

[0034] Furthermore, the anti-reverse pawl 48 described in this embodiment is implemented using a spring sheet structure provided on the inner wall of the adjustment mounting hole 43. Specifically, as shown... Figure 6 As shown, the inner wall of the adjusting mounting hole 43 is provided with a pawl mounting ring groove 6, and an anti-reverse spring plate 61 is installed in the pawl mounting ring groove 6. One end of the anti-reverse spring plate 61 is bent to form a pawl section 62 for abutting against the anti-reverse ratchet 47, and the pawl section 62 constitutes the anti-reverse pawl 48. A spring plate positioning protrusion 63 is provided on the bottom of the pawl mounting ring groove 6, and the anti-reverse spring plate 61 is provided with a spring plate positioning hole 64 corresponding to the spring plate positioning protrusion 63, so as to keep the anti-reverse spring plate 61 fixed in the circumferential direction. Of course, the height of the anti-reverse spring plate 61 should be sufficient to prevent the anti-reverse ratchet 47 from retracting when the adjusting tooth 45 leaves the adjusting transmission tooth 46. This is easily obtained by those skilled in the art using conventional technical means, and will not be elaborated here.

[0035] In this embodiment, the first fastening band 2 and the second fastening band 3 are connected to form a fixation on the limb 9. This eliminates the need for full wrapping of the limb 9, reducing pressure on non-scarred areas, improving breathability, and minimizing impact on limb movement. Scarred areas are compressed by a soft pressure plate 11 protruding from the inner surface of the soft substrate 1. The compression range is clearly defined, providing better fit and a more pronounced compression effect compared to wide-area compression. The connection length adjustment structure 4 allows for adjustment of the connection length of the first fastening band 2 and the second fastening band 3, indirectly adjusting the coverage force of the soft substrate 1. This adjustment is then transmitted to the soft pressure plate 11 to adjust the compression force, making the compression force controllable. The adjustment of multiple fastening bands with different connection lengths facilitates adaptability to different thicknesses of the limb 9 and to the varying compression forces required for different scar locations, further enhancing the compression effect.

[0036] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A limb scar compression device, characterized in that: The device includes a soft substrate for covering the scar area, a soft pressure pad for compressing the scar fixed on the inner surface of the soft substrate, at least two first fastening bands arranged sequentially along the length of the limb fixed at the left end of the soft substrate, and a second fastening band corresponding to the first fastening bands fixed at the right end of the soft substrate. A connection length adjustment structure is provided between the free ends of the first fastening bands and the corresponding second fastening bands.

2. The limb scar compression device as described in claim 1, characterized in that: The connection length adjustment structure includes an adjustment seat fixedly disposed on the outer side of the free end of the first fastening band, a through-pass channel formed between the adjustment seat and the first fastening band, the through-pass channel being used to insert the second fastening band; an adjustment mounting hole perpendicular to the through-pass channel is provided through the adjustment seat, an adjustment post is installed in the adjustment mounting hole, a plurality of circumferentially evenly distributed adjustment teeth are fixedly disposed on the end of the adjustment post near the second fastening band, a plurality of adjustment transmission teeth for meshing with the adjustment teeth are arranged on the lower part of the outer surface of the second fastening band, a plurality of evenly distributed anti-reverse ratchet teeth are provided on the outer periphery of the adjustment post away from the second fastening band, and an anti-reverse pawl corresponding to the anti-reverse ratchet teeth is provided on the adjustment seat.

3. The limb scar compression device as described in claim 1, characterized in that: A first connection structure is provided between the first fastening band and the soft substrate.

4. The limb scar compression device as described in claim 3, characterized in that: The first connection structure includes a first connection groove formed on the left end face of the flexible substrate, and the fixing end of the first fastening band is inserted into the first connection groove; a first connection hole is provided through the first connection groove on the flexible substrate, and a first connection screw is installed in the first connection hole, passing through the first fastening band; a first groove is provided on the inner surface of the flexible substrate to prevent the corresponding end of the first connection screw from protruding from the inner surface of the flexible substrate.

5. The limb scar compression device as described in claim 1, characterized in that: A second connection structure is provided between the second fastening band and the soft substrate.

6. The limb scar compression device as described in claim 1, characterized in that: The Shore hardness of the soft substrate is 55-70 HA.

7. The limb scar compression device as described in claim 1, characterized in that: The Shore hardness of the soft tablet is 25-40 HA.

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