A wound closure device

Abstract

This invention discloses a wound closure device, comprising two sets of attachment components and a tensioning component for tightening the two sets of attachment components. Each set of attachment components consists of multiple fixing patches, with adjacent fixing patches connected by a connecting component. Each fixing patch has an upper connecting portion at its top and a lower connecting portion at its bottom. The bottom surface of the lower connecting portion is sequentially provided with a pressure-sensitive adhesive layer and a hydrolyzed adhesive layer. Breathable channels are formed on the fixing patches, the upper connecting portion, and the lower connecting portion. The tensioning component includes an arched bridge, with elastic bands detachably connected to both ends of the arched bridge. The other end of each elastic band is connected to the upper connecting portion via a first connecting ring. This invention adopts a multi-point structure, allowing each patch to independently conform to the contours of the skin. Its shape can be freely adjusted according to the curvature of an arc-shaped wound, adapting to various complex wounds such as straight, arc, L-shaped, and bifurcation wounds, thus improving the tightening and closure effect of the wound.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and more specifically, to a wound suturing device. Background Technology

[0002] For wounds that are unsuitable for sutures and require continuous tension reduction after surgery, skin tension-reducing closure devices are currently commonly used to replace traditional sutures. These devices can directly pull and close surgical or traumatic wounds, achieving non-invasive eversion closure, promoting healing, reducing scar hyperplasia, and significantly reducing scarring and secondary trauma, such as the skin closure device disclosed in the prior art (publication number: CN120585398B).

[0003] The aforementioned existing technology uses a structure of double-sided long strips of adhesive tape combined with a middle tensioning component to achieve the tensioning function of the wound, but it still has shortcomings:

[0004] Due to the uncertainty of the wound location, such as the wound being located on irregular skin areas like joints or the side of the thigh, the skin at the wound site is not flat but rather curved. Since the existing technology or the tensioning components on the market are all flat and long strips, the tensioning components, after being tightened, have no support and can easily press on the wound. Alternatively, the wound itself may be uneven and may also touch the tensioning components, which can easily cause wound pain and hinder wound healing.

[0005] At the same time, not all wounds are long and narrow. Some wounds are bifurcated or arc-shaped. Although the adhesive strips in the existing technology can be bent to fit arc-shaped wounds, they can only bend slightly and deform locally. They cannot fit wounds with large curvature or bifurcations. In addition, the skin has unevenness or undulations, and the long and narrow adhesive strips cannot fully adhere to the skin. They are prone to being suspended or peeling off, resulting in poor adhesion and hindering wound closure.

[0006] Finally, the adhesive strips in existing technologies, after being bonded to the skin, have a large contact area with the skin, and are mostly made of PU material, resulting in poor breathability of the skin. Long-term wear can easily cause stuffiness, maceration, or even allergies. At the same time, the large adhesive layer is difficult to peel off, easily causing traction damage to the skin epidermis, resulting in significant pain for the patient.

[0007] In conclusion, the current suturing device still has shortcomings and needs to be improved. Summary of the Invention

[0008] The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

[0009] Therefore, the object of the present invention is to provide a wound suturing device, comprising two sets of attachment components and a tensioning component for tightening the two sets of attachment components.

[0010] Each set of the attachment components consists of multiple fixing patches, and adjacent fixing patches are connected by a connecting component.

[0011] The fixing patch has an upper connecting portion at its top and a lower connecting portion at its bottom. A pressure-sensitive adhesive layer and a hydrolyzable adhesive layer are sequentially disposed on the bottom surface of the lower connecting portion. Air-permeable channels are formed on the fixing patch, the upper connecting portion, and the lower connecting portion.

[0012] The tensioning assembly includes an arched cable tray, both ends of which are detachably connected to elastic bands. The other end of each elastic band is connected to the upper connecting part via a first connecting ring.

[0013] As a preferred technical solution:

[0014] As described above, in a wound suturing device, the upper connecting part includes an upper connecting post, the lower connecting part includes a lower connecting post, the top edge of the upper connecting post protrudes to form an upper limit flange, and the bottom edge of the lower connecting post protrudes to form a lower limit flange.

[0015] With the above technical solution, the cross-sections of the upper connecting post and the upper limit flange, as well as the lower connecting post and the lower limit flange, are all "T" shaped structures. This structure can prevent the first connecting ring and the second connecting ring from falling off.

[0016] As described above, in a wound suturing device, the upper connecting post, the lower connecting post, and the fixing patch are an integral structure, and the lower connecting post and the fixing patch are designed with a coaxial centerline.

[0017] The above technical solution, through the adoption of an integrated design, can improve the overall strength, thus better withstand the tension of the tensioning components, avoid overall deformation, and ensure the tightening and closing effect on the wound.

[0018] As described above, in a wound suturing device, the connecting assembly includes a plurality of second connecting rings, adjacent second connecting rings are connected by a connecting strap, and the second connecting rings and the connecting strap are an integral structure.

[0019] With the above technical solution, multiple fixed patches can be connected together by the second connecting ring before operation. This allows medical staff to pick up and place the patches as a whole and apply them at once, eliminating the need to frequently pick up individual patches and significantly shortening the operation time.

[0020] As described above, in a wound suturing device, the arched bridge is composed of an upper bridge piece and a lower bridge piece, both of which have a set of reinforcing rib grooves stamped on them, and the upper and lower bridge pieces are welded together as a single unit.

[0021] Through the above technical solution and the design of the reinforcing rib groove, the overall bending resistance of the arched cable tray is greatly enhanced. In this way, under the elastic tension of the elastic band, it can maintain the arch shape and not be straightened or collapsed.

[0022] As described above, in a wound suturing device, the elastic band is composed of a first elastic band and a second elastic band, which are bonded together. Each of the mating surfaces of the first and second elastic bands has a set of grooves and a connecting groove that mates with a first connecting ring.

[0023] The groove is elongated, and a polyester filament is disposed within the groove. The middle section of the polyester filament is curved, and both ends of the polyester filament are located between the first elastic band and the second elastic band.

[0024] The connecting groove is arc-shaped as a whole, and the cross-section of the connecting groove is arc-shaped.

[0025] With the above technical solution, after the first elastic band and the second elastic band are bonded together, the connecting grooves on the two can be combined into an arc-shaped circular hole. In this way, the first elastic band and the second elastic band can wrap around the first connecting ring part through the connecting groove, so that the elastic force of the elastic band can be transmitted to the upper connecting part through the first connecting ring.

[0026] As described above, in a wound suturing device, one end of the upper bridge piece and the lower bridge piece both extend to form a first connecting piece, and one end of the first connecting piece is integrally formed with a second connecting piece. The first connecting piece and the second connecting piece are combined to form a "T" shaped structure.

[0027] The first elastic band and the second elastic band have a first through groove and a second through groove at one end, which are connected to each other and combined to form a "T" shaped structure. The length of the second through groove is the same as the width of the first connecting piece.

[0028] Through the above technical solution, the first connecting piece and the second connecting piece can be combined into a T-shaped connecting part, and the first through groove and the second through groove can be combined into a T-shaped groove. After the T-shaped connecting part passes through the T-shaped groove, the T-shaped connecting part is rotated 90°, thus achieving rapid docking.

[0029] As described above, the ventilation channel includes a first slot penetrating the upper connecting post, a second slot penetrating the fixing patch, and a third slot opened on the lower connecting post. The first slot, the second slot, and the third slot are coaxial and interconnected. The top of the third slot is connected to the top surface of the lower connecting post.

[0030] Through the above technical solution, the first, second, and third slots can be combined into a complete channel, which facilitates the drainage of sweat from the skin at the adhesion site and achieves breathability.

[0031] As described above, the wound suturing device further includes a cavity formed inside the lower connecting column, the top of the cavity being connected to the third slot, and the lower connecting column wall at the bottom of the cavity having uniformly formed through holes. Both the pressure-sensitive adhesive layer and the hydrolyzed adhesive layer have porous structures, and the holes on both the pressure-sensitive adhesive layer and the hydrolyzed adhesive layer are aligned with the through holes.

[0032] Through the above technical solution, the porous design of the pressure-sensitive adhesive layer and the hydrolyzed adhesive layer can be matched with the through holes, so that the through holes are positioned directly facing the skin, and the moisture and heat on the skin can be discharged through the through holes.

[0033] Beneficial effects:

[0034] (1) The present invention adopts a multi-point structure, which replaces the traditional adhesive strip with multiple fixed patches. Each patch can be independently applied to the concave and convex parts of the skin without affecting each other, avoiding the problems of edge lifting and poor adhesion of traditional adhesive strips. The shape can be freely adjusted according to the curvature of the arc-shaped wound, and it can be adapted to various complex wounds such as straight lines, arcs, L-shapes, and bifurcations, thus improving the tightening and closing effect of the wound.

[0035] (2) The present invention is provided with an elastic band and a bridge plate, which replace the traditional tensioning component. The middle part of the bridge plate is arched upward and suspended above the wound. In this way, when there is an irregular skin wound, it can effectively avoid touching or pressing the wound surface during the tightening process, reduce the patient's pain, ensure blood circulation in the wound surface, and promote wound healing.

[0036] (3) Due to the multi-point structure, the contact area between the adhesive layer and the skin is reduced. Through the design of multiple slots, cavities and through holes, the heat and moisture generated by the skin can be discharged into the air through the through holes, achieving breathability and avoiding skin dampness and maceration caused by long-term adhesion. When removing, physiological saline is injected into the breathable through holes to make the hydrolyzed adhesive soften and lose its stickiness quickly, achieving painless and damage-free peeling. Attached Figure Description

[0037] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, wherein

[0038] Figure 1 This is a three-dimensional top view of the present invention;

[0039] Figure 2 This is a three-dimensional bottom view of the present invention;

[0040] Figure 3 This is a front view of the present invention;

[0041] Figure 4 This is a perspective view of the upper bridge frame piece and the lower bridge frame piece of the present invention;

[0042] Figure 5 This is a perspective view of the first and second elastic bands of the present invention;

[0043] Figure 6 This is a three-dimensional top view of the fixing patch, upper connecting post, and lower connecting post of the present invention;

[0044] Figure 7 This is a three-dimensional bottom view of the fixing patch, upper connecting post, and lower connecting post of the present invention;

[0045] Figure 8 This is a three-dimensional sectional view of the fixing patch, upper connecting post, and lower connecting post of the present invention.

[0046] In the diagram: 1. Fixing patch; 2. Upper connecting post; 3. Upper limit flange; 4. Lower connecting post; 5. Lower limit flange; 6. Upper bridge plate; 7. Lower bridge plate; 8. Reinforcing rib groove; 9. First connecting piece; 10. Second connecting piece; 11. First elastic band; 12. Second elastic band; 13. Connecting groove; 14. First connecting ring; 15. Groove; 16. Polyester filament; 17. First through groove; 18. Second through groove; 19. Second connecting ring; 20. Connecting strip; 21. First hole groove; 22. Second hole groove; 23. Third hole groove; 24. Cavity; 25. Through hole; 26. Pressure-sensitive adhesive layer; 27. Hydrolyzed adhesive layer. Detailed Implementation

[0047] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0048] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the scope of protection of the invention is not limited to the specific embodiments disclosed below.

[0049] like Figures 1-5 As shown, this embodiment of the invention discloses a wound suturing device, including two sets of attachment components and a tensioning component for tightening the two sets of attachment components.

[0050] Each attachment assembly consists of multiple fixed patches 1, with adjacent fixed patches 1 connected by a connecting assembly.

[0051] The fixing patch 1 has an upper connecting part at its top and a lower connecting part at its bottom. A pressure-sensitive adhesive layer 26 and a hydrolyzable adhesive layer 27 are sequentially disposed on the bottom surface of the lower connecting part. Air-permeable channels are formed on the fixing patch 1, the upper connecting part, and the lower connecting part.

[0052] The tensioning assembly includes an arched cable tray, both ends of which are detachably connected to elastic bands. The other end of the elastic bands is connected to the upper connecting part via a first connecting ring 14.

[0053] Specifically, such as Figure 1 As shown, according to the shape and length of the wound, an appropriate number of fixation patches 1 are selected and connected together by a connecting component. In this way, multiple fixation patches 1 are connected into two strings, and the two strings of fixation patches 1 are attached to the skin surface on both sides of the wound through the hydrolyzed adhesive layer 27. The skin in contact with the hydrolyzed adhesive layer 27 can breathe through the air passage to avoid skin allergies and itching.

[0054] Next, depending on the location of the wound, the arched cable tray is manually bent to adjust the degree of bending. For example, when the wound is at a joint, the bent arched cable tray matches the joint surface. Then, the elastic band is stretched and connected to the upper connecting part through the first connecting ring 14. In this way, the elastic bands on both sides of the arched cable tray use the elastic force generated by the stretching to tighten the fixing patches 1 on both sides of the wound, thereby closing the wound.

[0055] At this time, the middle part of the arched bridge arches upward and is suspended above the wound, which can effectively avoid touching or compressing the wound surface during the tightening process, reduce patient pain, ensure blood circulation to the wound surface, and promote wound healing.

[0056] Traditional adhesive bandages are of a fixed length and need to be cut to fit the wound length. If the bandage is longer than the wound length, it can lead to material waste and increased costs.

[0057] This device employs a multi-point structure, allowing for flexible selection and placement of the corresponding number of fixed patches based on the actual length, width, and shape of the wound. It eliminates the need for cutting to fixed specifications and avoids excess waste due to excessively long patches, preventing material waste at the source, improving resource utilization, and reducing clinical usage costs. Furthermore, the multi-point structure allows for free combination and arrangement, adapting to wounds of various sizes and shapes, including short incisions, long incisions, curved wounds, and irregular wounds. This significantly enhances the product's versatility and adaptability, eliminating the need for multiple specifications for different wound lengths.

[0058] Furthermore, when the wound is arc-shaped, the outer arc length is longer and the curvature is smaller, while the inner arc length is shorter and the curvature is larger. When traditional adhesive strips are applied, the curvature of the two long strips of tape is inconsistent and they cannot be kept parallel. This leads to the middle tensioning component becoming skewed and stuck, making installation difficult. In addition, the tension is uneven, which can easily cause the wound edge to be unbalanced and the healing uneven.

[0059] This device adopts a multi-point structure. The fixing patches 1 on both sides of the wound can independently conform to the skin surface, without being limited by the overall curvature of the arc-shaped wound. It can adaptively match the different curvatures and arc lengths on the inner and outer sides of the arc-shaped wound, so that the tensioning force is always evenly transmitted along the symmetrical direction of the wound. Structurally, it avoids the phenomenon of tensioning component skewing and jamming. Furthermore, through the upper connecting column 2 and the first connecting ring 14, the installation of the tensioning component is simpler and faster. At the same time, it ensures that the wound is evenly stressed and accurately aligned, which significantly improves the wound closure quality and is conducive to wound healing.

[0060] In one specific embodiment of the present invention, the upper connecting part includes an upper connecting post 2, the lower connecting part includes a lower connecting post 4, the upper connecting post 2 has an upper limit flange 3 protruding from its top edge, and the lower connecting post 4 has a lower limit flange 5 protruding from its bottom edge.

[0061] Specifically, such as Figure 3 and Figure 8 As shown, both the upper and lower connecting parts are T-shaped protrusions. When connecting the two fixing patches 1, the second connecting ring 19 is first stretched so that it passes through the lower limiting flange 5. Then the second connecting ring 19 is released, and the second connecting ring 19 is elastically tightened and sleeved on the lower connecting post 4. The lower limiting flange 5 can prevent the second connecting ring 19 from separating from the lower connecting post 4.

[0062] Similarly, when it is necessary to tighten and close the wound, stretch the first connecting ring 14 so that the first connecting ring 14 passes through the upper limit flange 3, and then release the first connecting ring 14. The first connecting ring 14 elastically tightens and is sleeved on the upper connecting post 2. The upper limit flange 3 can prevent the first connecting ring 14 from separating from the upper connecting post 2. In this way, the elastic band can transmit tension to the fixed patch 1 through the first connecting ring 14.

[0063] The above installation method is convenient to operate, requires no positioning or docking, and is not easy to fall off.

[0064] In one specific embodiment of the present invention, the upper connecting post 2, the lower connecting post 4 and the fixing patch 1 are an integral structure, and the lower connecting post 4 and the fixing patch 1 are designed with a coaxial line.

[0065] Specifically, such as Figure 3 and Figure 8 As shown, the upper connecting post 2 and the fixing patch 1 can be designed with a coaxial centerline or with an eccentric design. When an eccentric design is used, that is, when the fixing patch 1 is pasted on the skin, the axis of the upper connecting post 2 is farther away from the wound compared to the axis of the fixing patch 1. Since the tension force is horizontal, the direction of the tension force is along the plane of the fixing patch 1, which makes it less likely for the fixing patch 1 to lift off the edge, thereby improving the adhesion of the fixing patch 1.

[0066] In one specific embodiment of the present invention, the connecting component includes a plurality of second connecting rings 19, and two adjacent second connecting rings 19 are connected by a connecting strip 20, wherein the second connecting rings 19 and the connecting strip 20 are an integral structure.

[0067] Specifically, such as Figure 1 and Figure 2 As shown, the design of the second connecting ring 19 and the connecting strip 20 can position the fixing patch 1 and ensure that the spacing between two adjacent fixing patches 1 is uniform, further improving the tensioning and alignment effect. Multiple fixing patches 1 can be connected into a string, and when the fixing patch 1 is peeled off from the skin surface, multiple fixing patches 1 can be collected in a concentrated manner to avoid omission.

[0068] In one specific embodiment of the present invention, the arched cable tray is composed of an upper cable tray piece 6 and a lower cable tray piece 7. A set of reinforcing rib grooves 8 are stamped on both the upper cable tray piece 6 and the lower cable tray piece 7. The upper cable tray piece 6 and the lower cable tray piece 7 are welded together to form a single unit.

[0069] Specifically, such as Figure 4 As shown, the upper bridge plate 6 and the lower bridge plate 7 are medical-grade soft aluminum sheets, which are anodized to prevent rust and corrosion, and are non-irritating and non-allergenic. At the same time, the edges are rounded to remove sharp corners and burrs, so as to avoid puncturing or scratching medical staff and patients. The upper bridge plate 6 and the lower bridge plate 7 are both 0.15mm thick, and the overall thickness is 0.3mm. They can be bent manually and have a certain degree of rigidity to prevent them from being straightened by the elastic band.

[0070] In one specific embodiment of the present invention, the elastic band is composed of a first elastic band 11 and a second elastic band 12, which are bonded together. A set of grooves 15 and a connecting groove 13 that mates with the first connecting ring 14 are each provided on the mating surfaces of the first elastic band 11 and the second elastic band 12.

[0071] The groove 15 is elongated, and a polyester filament 16 is disposed within the groove 15. The middle section of the polyester filament 16 is curved, and both ends of the polyester filament 16 are located between the first elastic band 11 and the second elastic band 12.

[0072] The connecting groove 13 is arc-shaped as a whole, and the cross-section of the connecting groove 13 is arc-shaped.

[0073] Specifically, such as Figure 5 As shown, the first elastic band 11 and the second elastic band 12 can be stretched and deformed, and have good elasticity. The force generated by the elastic deformation is used to tighten the fixing patches 1 on both sides of the wound, thereby closing the wound.

[0074] After the first elastic band 11 and the second elastic band 12 are bonded together, the two ends of the polyester filament 16 are also bonded and fixed. The curved design of the middle section of the polyester filament 16 allows it to be stretched as the first elastic band 11 and the second elastic band 12 are stretched and deformed. However, the stretching of the polyester filament 16 is limited, in order to avoid the reduction of tension caused by the excessive stretching of the first elastic band 11 and the second elastic band 12, and to ensure that the skin on both sides of the wound is evenly and stably pulled together, thereby improving the wound closure effect.

[0075] In one specific embodiment of the present invention, a first connecting piece 9 is formed at one end of both the upper bridge plate 6 and the lower bridge plate 7, and a second connecting piece 10 is integrally formed at one end of the first connecting piece 9. The first connecting piece 9 and the second connecting piece 10 are combined to form a "T" shaped structure.

[0076] The first elastic band 11 and the second elastic band 12 have a first through groove 17 and a second through groove 18 that pass through them at one end. The first through groove 17 and the second through groove 18 are connected to each other and combined to form a "T" shaped structure. The length of the second through groove 18 is the same as the width of the first connecting piece 9.

[0077] Specifically, such as Figure 4 and Figure 5 As shown, when it is necessary to remove the suture device, there is no need to remove the first connecting ring 14 from the upper connecting post 2. Simply hold one end of the arched cable tray, rotate the entire arched cable tray 90°, and pull the arched cable tray to pull out the first connecting piece 9 and the second connecting piece 10 from the first through groove 17 and the second through groove 18. This completes the separation of the arched cable tray from the elastic band. The separately removed arched cable tray can be placed together. Since the arched cable tray is made of aluminum, it can be recycled and reused. The elastic band and fixing patch 1 and other components are separately treated for harmlessness. The connection method of the arched cable tray and the elastic band is convenient for disassembly and installation, reducing the workload of medical staff.

[0078] Similarly, when installation is required, first pass the first connecting piece 9 and the second connecting piece 10 through the first through groove 17, then rotate the first connecting piece 9 and the second connecting piece 10 by 90° so that the first connecting piece 9 is inserted into the second through groove 18. Under the action of the second connecting piece 10, the arched cable tray and the elastic band can transmit tension and will not fall off.

[0079] In one specific embodiment of the present invention, the ventilation channel includes a first slot 21 penetrating the upper connecting post 2, a second slot 22 penetrating the fixing patch 1, and a third slot 23 opened on the lower connecting post 4. The first slot 21, the second slot 22 and the third slot 23 are coaxial and interconnected with each other. The top end of the third slot 23 is connected to the top surface of the lower connecting post 4.

[0080] The ventilation channel also includes a cavity 24 opened inside the lower connecting column 4. The top of the cavity 24 is connected to the third slot 23. The wall of the lower connecting column 4 at the bottom of the cavity 24 is uniformly provided with through holes 25. The pressure-sensitive adhesive layer 26 and the hydrolyzed adhesive layer 27 are both porous structures. The holes on the pressure-sensitive adhesive layer 26 and the hydrolyzed adhesive layer 27 are aligned with the through holes 25 one by one.

[0081] Specifically, such as Figure 6 , Figure 7 and Figure 8 As shown, the first groove 21, the second through groove 18, the third groove 23 and the cavity 24 combine to form a complete breathable channel. Heat or sweat from the skin that is in contact with the hydrolyzed adhesive layer 27 can be discharged through the through hole 25 from the breathable channel to achieve breathability and avoid skin allergies and itching.

[0082] When removing the suture device, a syringe can be used to inject saline solution into the first groove 21. The saline solution enters the cavity 24 through the second groove 18 and the third groove 23, and finally wets the hydrolyzed adhesive layer 27 through the through hole 25.

[0083] The hydrolyzed adhesive layer 27 is typically PVA-based, CMC-based, or modified acrylic hydrosol. When dry, it has sufficient adhesion to fix the patch 1 and withstand tension. Upon contact with saline solution, the adhesion decreases rapidly and softens. When removed, it hardly pulls on the stratum corneum, causing no pain or damage to the skin. The pressure-sensitive adhesive layer 26 is designed to improve the adhesion to the lower connection and prevent detachment. Due to the use of the hydrolyzed adhesive layer 27, this device is suitable for dry wounds.

[0084] In one specific embodiment of the present invention, the upper connecting post 2, the lower connecting post 4 and the fixing patch 1 are made of PU plastic material. PU plastic material has both strength and elasticity, can fit the skin and withstand tension, and will not be deformed by stretching.

[0085] In one specific embodiment of the present invention, the first connecting ring 14, the second connecting ring 19, the first elastic band 11, and the second elastic band 12 are made of elastic silicone. Through the elastic recoil force of the silicone itself, the first connecting ring 14 and the second connecting ring 19 can be freely stretched and deformed and fitted onto the upper or lower connecting part, while the first elastic band 11 and the second elastic band 12 tighten and close the wound through elasticity.

[0086] In the description of this specification, terms such as "connection," "installation," and "fixation" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meanings of the above terms within this invention based on the specific circumstances.

[0087] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0088] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A wound suturing device, comprising two sets of attachment components and a tensioning component for tightening the two sets of attachment components. Its features are: Each set of the attachment components consists of multiple fixing patches (1), and two adjacent fixing patches (1) are connected by a connecting component. The fixing patch (1) has an upper connecting part at the top and a lower connecting part at the bottom. The bottom surface of the lower connecting part is provided with a pressure-sensitive adhesive layer (26) and a hydrolyzed adhesive layer (27) in sequence. The fixing patch (1), the upper connecting part and the lower connecting part have breathable channels. The tensioning assembly includes an arched cable tray, both ends of which are detachably connected to elastic bands. The other end of the elastic bands is connected to the upper connecting part via a first connecting ring (14).

2. The wound suturing instrument according to claim 1, characterized in that: The upper connecting part includes an upper connecting post (2), the lower connecting part includes a lower connecting post (4), the upper connecting post (2) has an upper limit flange (3) protruding from the top edge, and the lower connecting post (4) has a lower limit flange (5) protruding from the bottom edge.

3. The wound suturing instrument according to claim 1, characterized in that: The upper connecting post (2), the lower connecting post (4) and the fixing patch (1) are an integral structure, and the lower connecting post (4) and the fixing patch (1) are designed with a coaxial centerline.

4. A wound suturing instrument according to claim 1, characterized in that: The connecting component includes a plurality of second connecting rings (19), and two adjacent second connecting rings (19) are connected by a connecting strip (20). The second connecting rings (19) and the connecting strip (20) are an integral structure.

5. A wound suturing device according to claim 1, characterized in that: The arched bridge frame is composed of an upper bridge frame piece (6) and a lower bridge frame piece (7). A set of reinforcing rib grooves (8) are stamped on both the upper bridge frame piece (6) and the lower bridge frame piece (7). The upper bridge frame piece (6) and the lower bridge frame piece (7) are welded together.

6. A wound suturing instrument according to claim 1, characterized in that: The elastic band is composed of a first elastic band (11) and a second elastic band (12). The first elastic band (11) and the second elastic band (12) are bonded together. A set of grooves (15) and a connecting groove (13) that cooperate with the first connecting ring (14) are provided on the side of the first elastic band (11) and the second elastic band (12) that are in contact with each other. The groove (15) is elongated, and a polyester filament (16) is disposed inside the groove (15). The middle section of the polyester filament (16) is curved, and both ends of the polyester filament (16) are located between the first elastic band (11) and the second elastic band (12). The connecting groove (13) is arc-shaped as a whole, and the cross-section of the connecting groove (13) is arc-shaped.

7. A wound suturing instrument according to claim 5, characterized in that: One end of the upper bridge plate (6) and the lower bridge plate (7) are both extended to form a first connecting piece (9), and one end of the first connecting piece (9) is integrally formed with a second connecting piece (10). The first connecting piece (9) and the second connecting piece (10) are combined to form a "T" shaped structure.

8. A wound suturing device according to claim 6, characterized in that: The first elastic band (11) and the second elastic band (12) have a first through groove (17) and a second through groove (18) that pass through them at one end. The first through groove (17) and the second through groove (18) are interconnected and combined to form a "T" shaped structure. The length of the second through groove (18) is the same as the width of the first connecting piece (9).

9. A wound suturing instrument according to claim 1, characterized in that: The ventilation channel includes a first slot (21) penetrating the upper connecting post (2), a second slot (22) penetrating the fixing patch (1), and a third slot (23) opened on the lower connecting post (4). The first slot (21), the second slot (22), and the third slot (23) are coaxial and interconnected. The top of the third slot (23) is connected to the top surface of the lower connecting post (4).

10. A wound suturing device according to claim 9, characterized in that: The ventilation channel also includes a cavity (24) opened inside the lower connecting column (4). The top of the cavity (24) is connected to the third slot (23). The wall of the lower connecting column (4) on the bottom surface of the cavity (24) is uniformly provided with through holes (25). The pressure-sensitive adhesive layer (26) and the hydrolyzed adhesive layer (27) are both porous structures. The holes on the pressure-sensitive adhesive layer (26) and the hydrolyzed adhesive layer (27) are aligned with the through holes (25).

Images