Medical composite dressing structure
By designing a medical composite dressing structure that includes a base layer, an antibacterial layer, an absorbent layer, and a limiting strip, the problem of adhesion of existing medical dressings in the presence of body fluids or disinfectant liquids has been solved. This achieves stable adhesion during limb movement and prevents bacteria from entering, while reducing production costs.
Patent Information
- Application Number
- CN202422534492.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-21
AI Technical Summary
Existing medical composite dressings cannot adhere tightly to the skin when there is bodily fluid or undried disinfectant liquid near the wound, and wrinkles or lifts easily during limb movement, allowing external bacteria to enter.
A medical composite dressing structure was designed, comprising a base layer, an antibacterial layer, an absorbent layer, a main adhesive layer, a limiting strip, a plastic strip, and a reinforcing base layer. Through the combined use of the limiting strip and the reinforcing base layer, a stable fit and wrinkle prevention are achieved during limb movement.
This structure ensures that the medical composite dressing can still stably adhere to the wound in the presence of bodily fluids or disinfectant liquids, preventing bacteria from entering, and has low production costs, making it suitable for widespread use.
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Figure CN223586137U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical dressings, and particularly relates to a structure of a medical composite dressing. Background Technique
[0002] A medical composite dressing is a medical supply used to protect and treat small skin wounds, usually composed of a mixture of non-woven fabric, sesame oil and beeswax. The self-adhesive dressing patch includes components such as non-woven fabric, absorbent pad, pressure-sensitive adhesive and PU / PE film. This combined design enables the dressing to not only have the function of protecting the wound surface, but also be conveniently attached to the skin to maintain the stability of the dressing.
[0003] The area of the pasting part of the existing medical composite dressing is limited. When there is body fluid or undried disinfected liquid on the skin near the wound surface, the pasting part cannot be closely adhered to the skin. And when the wound is on the limbs, with the movement of the limbs, the pasting part is prone to wrinkles or warping, and external bacteria are likely to enter. In view of the above problems, there is an urgent need to innovate and design on the basis of the original structure of the medical composite dressing. Content of the Utility Model
[0004] The purpose of the utility model is to provide a structure of a medical composite dressing to solve the problems in the above background technique that the area of the pasting part of the existing medical composite dressing is limited, when there is body fluid or undried disinfected liquid on the skin near the wound surface, the pasting part cannot be closely adhered to the skin, and when the wound is on the limbs, with the movement of the limbs, the pasting part is prone to wrinkles or warping, and external bacteria are likely to enter.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: A structure of a medical composite dressing, including a covering base layer, an antibacterial layer is coated on the bottom surface of the covering base layer, an absorbent layer is fixed in the middle of the bottom surface of the antibacterial layer, a main pasting layer is fixed at the edge of the bottom surface of the antibacterial layer, a dressing layer is fixed at the center of the bottom surface of the absorbent layer, a limiting strip is installed at the edge of the top surface of the covering base layer, a plastic strip is installed through between the bottom surface of the limiting strip and the top surface of the covering base layer, a blocking piece is fixed at one end of the plastic strip, a fixing piece is installed at the other end of the plastic strip, the bottom of the fixing piece is connected and fixed with the top surface of a reinforcement base layer, and a secondary pasting layer is fixed on the bottom surface of the reinforcement base layer.
[0006] Preferably, the area of the antibacterial layer is the same as that of the covering base layer, the top surface of the covering base layer is flush with the top surface of the reinforcement base layer, and the reinforcement base layer is symmetrically distributed about the center of the covering base layer.
[0007] Preferably, the length and width of the absorbent layer are both greater than 3 / 4 of the length and width of the covering base layer, and the outer side of the absorbent layer is connected and fixed with the inner side of the main pasting layer.
[0008] Preferably, the upward view shape of the main pasting layer is a "mouth" shape, and the bottom end of the main pasting layer is flush with the bottom surface of the secondary pasting layer.
[0009] Preferably, the limiting strip is connected and fixed with the top surface of the covering base layer at both ends, and the length of the limiting strip is greater than 3 / 4 of the width of the covering base layer.
[0010] Preferably, the plastic strips are distributed at equal intervals, and the length of the plastic strips is not less than 1 / 3 of the length of the covering base layer.
[0011] Preferably, the plastic strips are horizontally symmetrically distributed with heat-pressing limiting parts at both sides of the center, and the interval of adjacent heat-pressing limiting parts is greater than the width of the blocking piece.
[0012] Preferably, the blocking piece and the fixing piece have the same diameter, and the diameter of the blocking piece and the fixing piece is greater than the interval of adjacent heat-pressing limiting parts.
[0013] Compared with the prior art, the medical composite dressing structure has the beneficial effects that: the novel structure design not only sets the auxiliary adhesive positioning mechanism capable of stretching to change the adhesive position, but also ensures that the medical composite dressing body can still stably adhere to the wound surface when there is body fluid or undried disinfectant liquid near the skin of the wound surface, and the auxiliary adhesive positioning mechanism has low production cost and is suitable for promotion and use. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is a front view sectional structure schematic diagram of the utility model;
[0016] Figure 3 It is a top view structural schematic diagram of the utility model;
[0017] Figure 4 It is a bottom view structural schematic diagram of the utility model;
[0018] Figure 5 It is a top view sectional structure schematic diagram of the limiting strip and the heat-pressing limiting part of the utility model.
[0019] In the drawing: 1, covering base layer; 2, bacteriostatic layer; 3, liquid absorption layer; 4, main adhesive layer; 5, dressing layer; 6, limiting strip; 7, heat-pressing limiting part; 8, plastic strip; 9, blocking piece; 10, fixing piece; 11, reinforcing base layer; 12, auxiliary adhesive layer. DETAILED DESCRIPTION
[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0021] Please refer to Figures 1-5 The utility model provides a technical scheme: a medical composite dressing structure, including cladding base layer 1, bacteriostatic layer 2, liquid absorbing layer 3, main adhesive layer 4, dressing layer 5, limit strip 6, hot-pressing limiting portion 7, plastic strip 8, blocking piece 9, fixed sheet 10, reinforcing base layer 11 and vice adhesive layer 12, cladding base layer 1 bottom surface is coated with bacteriostatic layer 2, the middle part of bacteriostatic layer 2 bottom surface is fixed with liquid absorbing layer 3, the edge of bacteriostatic layer 2 bottom surface is fixed with main adhesive layer 4, the center of liquid absorbing layer 3 bottom surface is fixed with dressing layer 5, the top surface of cladding base layer 1 edge is installed with limit strip 6, the bottom surface of limit strip 6 and the top surface of cladding base layer 1 are installed with plastic strip 8, one end of plastic strip 8 is fixed with blocking piece 9, the other end of plastic strip 8 is installed with fixed sheet 10, the bottom of fixed sheet 10 and the top surface of reinforcing base layer 11 are connected and fixed, the bottom surface of reinforcing base layer 11 is fixed with vice adhesive layer 12.
[0022] The area of the bacteriostatic layer 2 of the example is the same as the area of the cladding base layer 1, the top surface of the cladding base layer 1 is flush with the top surface of the reinforcing base layer 11, and the reinforcing base layer 11 is symmetrically distributed about the center of the cladding base layer 1. The above structure design ensures the bacteriostatic protection effect of the bacteriostatic layer 2 on the inner liquid absorbing layer 3 and the dressing layer 5 at the bottom, and the design of the flush top surface of the cladding base layer 1 and the reinforcing base layer 11 facilitates the smooth movement of the reinforcing base layer 11 when it moves, and ensures the auxiliary positioning effect of the reinforcing base layer 11 and the vice adhesive layer 12 on the cladding base layer 1.
[0023] The length and width of the liquid absorbing layer 3 are both greater than 3 / 4 of the length and width of the cladding base layer 1, and the outer side of the liquid absorbing layer 3 is connected and fixed with the inner side of the main adhesive layer 4. The above structure design ensures the close connection of the liquid absorbing layer 3 and the main adhesive layer 4, and the main adhesive layer 4 can isolate the inner liquid absorbing layer 3 and the dressing layer 5 after being attached to the skin.
[0024] The main adhesive layer 4 has a "mouth" shape in plan view, and the bottom end of the main adhesive layer 4 is flush with the bottom surface of the vice adhesive layer 12. The above structure design ensures that the main adhesive layer 4 and the vice adhesive layer 12 can be stably attached to the skin, and stably fix the whole composite dressing.
[0025] The two ends of the limit strip 6 are connected and fixed with the top surface of the cladding base layer 1, and the length of the limit strip 6 is greater than 3 / 4 of the width of the cladding base layer 1. The above structure design ensures the stability of the limit strip 6, and enables multiple plastic strips 8 to be installed inside the limit strip 6.
[0026] The plastic strips 8 are equidistantly distributed, and the length of the plastic strips 8 is not less than 1 / 3 of the length of the covering base layer 1, so that the structural strength between the reinforcing base layer 11 and the covering base layer 1 is sufficient, and the distance between the reinforcing base layer 11 and the covering base layer 1 is sufficient.
[0027] The hot-pressing limiting portions 7 are horizontally symmetrically distributed at the center of the plastic strips 8, and the distance between adjacent hot-pressing limiting portions 7 is greater than the width of the blocking piece 9, so that the hot-pressing limiting portions 7 can fix the limiting strips 6 on both sides of the plastic strips 8 and the top surface of the covering base layer 1, and the plastic strips 8 are stably positioned.
[0028] The diameters of the blocking piece 9 and the fixing piece 10 are the same, and the diameters of the blocking piece 9 and the fixing piece 10 are greater than the distance between adjacent hot-pressing limiting portions 7, so that the connection strength between the end of the plastic strip 8 and the top surface of the reinforcing base layer 11 is ensured, and the plastic strip 8 and the limiting strip 6 are prevented from slipping off, and the reinforcing base layer 11 is prevented from falling off.
[0029] Working principle: when the device is used, the dressing layer 5 is aligned with the wound surface, the covering base layer 1 is pressed down, the main adhesive layer 4 is stably attached to the skin around the wound surface, then the reinforcing base layer 11 symmetrically distributed on both sides is pulled linearly, the reinforcing base layer 11 drives the plastic strip 8 to move linearly stably between the symmetrically distributed hot-pressing limiting portions 7, the blocking piece 9 is attached to one side of the limiting strip 6, the plastic strip 8 is straightened, the reinforcing base layer 11 cannot be pulled further, the reinforcing base layer 11 and the auxiliary adhesive layer 12 are far enough from the wound surface, the reinforcing base layer 11 is pressed, the auxiliary adhesive layer 12 is attached to the skin away from the wound surface, and the main adhesive layer 4 is cooperated to realize the stable fixation of the whole medical composite dressing, which is the working principle of the medical composite dressing structure.
[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A medical composite dressing structure comprising a backing layer (1), characterised in that: The bottom surface of the covering base layer (1) is coated with a bacteriostatic layer (2), the middle of the bottom surface of the bacteriostatic layer (2) is fixed with a liquid absorbing layer (3), the edge of the bottom surface of the bacteriostatic layer (2) is fixed with a main adhesive layer (4), the bottom surface of the liquid absorbing layer (3) is fixed with a dressing layer (5), the edge of the top surface of the covering base layer (1) is installed with a limiting strip (6), the bottom surface of the limiting strip (6) is installed with a plastic strip (8) penetrating through the top surface of the covering base layer (1), one end of the plastic strip (8) is fixed with a blocking piece (9), the other end of the plastic strip (8) is installed with a fixed piece (10), the bottom of the fixed piece (10) is connected and fixed with the top surface of a reinforcing base layer (11), the bottom surface of the reinforcing base layer (11) is fixed with a secondary adhesive layer (12).
2. A medical composite dressing structure according to claim 1, characterised in that: The area of the bacteriostatic layer (2) is the same as the area of the covering base layer (1), the top surface of the covering base layer (1) is flush with the top surface of the reinforcing base layer (11), and the reinforcing base layer (11) is symmetrically distributed about the center of the covering base layer (1).
3. A medical composite dressing structure according to claim 1, wherein: The length and width of the liquid absorbing layer (3) are greater than 3 / 4 of the length and width of the covering base layer (1), and the outer side of the liquid absorbing layer (3) is connected and fixed with the inner side of the main adhesive layer (4).
4. A medical composite dressing structure according to claim 1, wherein: The main adhesive layer (4) is in the shape of a "mouth" when viewed from below, and the bottom end of the main adhesive layer (4) is flush with the bottom surface of the secondary adhesive layer (12).
5. A medical composite dressing structure according to claim 1, wherein: The two ends of the limiting strip (6) are connected and fixed with the top surface of the covering base layer (1), and the length of the limiting strip (6) is greater than 3 / 4 of the width of the covering base layer (1).
6. A medical composite dressing structure according to claim 1, wherein: The plastic strips (8) are distributed at equal intervals, and the length of the plastic strips (8) is not less than 1 / 3 of the length of the covering base layer (1).
7. A medical composite dressing structure according to claim 1, wherein: The center of the plastic strip (8) is horizontally symmetrically distributed with a hot-pressing limiting part (7), and the distance between adjacent hot-pressing limiting parts (7) is greater than the width of the blocking piece (9).
8. A medical composite dressing structure according to claim 7, characterised in that: The diameters of the blocking piece (9) and the fixed piece (10) are the same, and the diameters of the blocking piece (9) and the fixed piece (10) are greater than the distance between adjacent hot-pressing limiting parts (7).