Polyurethane foam dressing

By setting a tear-off section and a positioning rope structure on the protective film of the polyurethane foam dressing, the problems of the protective film being difficult to tear and the dressing being easy to fall off are solved, thus achieving stable application and fixation of the dressing.

CN223438754UActive Publication Date: 2025-10-17ZHEJIANG WELLONG MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202422587205.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-10-17
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

The protective film of existing polyurethane foam dressings easily sticks and curls up when torn, making it difficult to apply, and the lack of a positioning mechanism causes the dressing to fall off easily.

Method used

A tear-off section is provided on the protective film, which, combined with the structure of the drug storage rack, the first positioning rope, and the second positioning rope, achieves stable fixation of the dressing through the design of the elastic plate and connecting block.

Benefits of technology

The protective film is easy to tear, improving adhesion stability, preventing dressing from falling off, and ensuring the stability and fixation of the dressing during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a polyurethane foam dressing which comprises a bottom piece and a protective film adhered to the bottom piece, tearing parts are arranged at the two ends of the protective film, a medicine storage frame is fixed to the top end of the bottom piece, dressing is embedded in the medicine storage frame, connecting grooves are formed in the two ends of the medicine storage frame, and the tearing parts are connected with the connecting grooves. Elastic plates are fixed to the two sides of the inner wall of the connecting groove, a connecting block is connected between the two elastic plates in a clamped mode, a positioning mechanism used for supporting dressing is fixed between the multiple connecting blocks, a protruding part is arranged at the top end of the protective film, and a groove extending into the protruding part is formed in the bottom end of the protective film; a bottom piece is arranged on the bottom plate, an adhesive piece is fixed to the top end of the bottom piece, an elastic part located between the adhesive piece and a medicine storage frame is arranged on the bottom piece, the medicine storage frame is embedded in a groove, first positioning ropes and second positioning ropes on a plurality of connecting blocks conduct auxiliary supporting on dressing, and therefore the situation that the dressing falls off is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polyurethane foam dressing technical field especially relates to a polyurethane foam dressing. BACKGROUND

[0002] Polyurethane foam dressing is a new type of medical material, it has high water absorption and permeability, can be used to bandage wound and improve the process of wound healing, and is widely welcomed, especially the old people who have long-term bedridden in the home, their family members usually prepare some in advance, in case of need.

[0003] But the protective film on the existing polyurethane foam dressing is usually a whole film, which also leads to the fact that the adhesion on the polyurethane foam dressing is easy to roll up when the protective film is torn, and then it is not easy to paste, and the protective film on the existing polyurethane foam dressing usually does not have a corresponding tear strip, and then it is also not easy to open the protective film, and the powder auxiliary material on the polyurethane foam dressing is only kept fixed by the adhesion of extrusion molding due to the lack of positioning mechanism, and the dressing is easy to fall off during use. UTILITY MODEL CONTENT

[0004] The utility model aims at the deficiency of prior art, provides a kind of polyurethane foam dressing, tear off protective film by the tear and pull part structure cooperation drug storage rack, first positioning rope and second positioning rope structure, realize the function of stable dressing, solve the problem that dressing is easy to fall off.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of polyurethane foam dressing, including bottom sheet and the protective film adhered on bottom sheet, both ends of the protective film are provided with tear and pull part, the top of the bottom sheet is fixed with drug storage rack, the drug storage rack is inlaid with dressing, and both ends of drug storage rack are provided with connecting slot, the inner wall of the connecting slot is fixed with elastic plate on both sides, connecting block is clamped between two elastic plates, and positioning mechanism for supporting dressing is fixed between multiple connecting blocks.

[0006] Preferably, the top of the protective film is provided with protruding part, and the bottom of the protective film is provided with recess that extends into the protruding part.

[0007] Further, the top of the bottom sheet is fixed with adhesive piece, and the bottom sheet is provided with elastic part between adhesive piece and drug storage rack.

[0008] Further, the drug storage rack is inlaid in the recess, and the adhesive piece is tightly connected with the protective film.

[0009] Further, one end of the two elastic plates is provided with a positioning part, and an inclined groove is formed in the top end of the positioning part.

[0010] Further, a positioning groove is formed in the center of the connecting block, and the positioning part is inserted into the positioning groove.

[0011] Further, the positioning mechanism comprises symmetrically arranged first positioning ropes and a second positioning rope fixed between the two first positioning ropes, and the two ends of the two first positioning ropes are fixedly connected with the connecting blocks.

[0012] The utility model discloses beneficial effects lie in:

[0013] (1) the utility model discloses a tear -off part is set up on the protection film, and the protection film is conveniently torn off from the negative by tear -off part, and the elastic part makes the sticky piece on the negative and medicine storage frame be in the same horizontal position, and the stability after the sticky piece is bonded is improved.

[0014] (2) the utility model discloses that the connecting groove is formed in the both ends of medicine storage frame, and the connecting block is inserted into the connecting groove, and the elastic deformation of elastic plate occurs through the inclined groove extrusion, until the connecting block is completely inserted into the connecting groove, and the positioning block is inserted into the positioning groove by elastic plate, thereby making the connecting block keep fixed, and the first positioning rope and the second positioning rope on the connecting block are used for the auxiliary support of dressing material, thereby avoiding the situation that dressing material falls off. DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the negative split structure schematic diagram of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the protection film of the utility model;

[0018] Figure 4 It is the utility model Figure 2 It is the structure enlarged schematic diagram of A place in the utility model.

[0019] In the drawing: 1, negative; 2, protection film; 3, tear -off part; 4, protruding part; 5, sticky piece; 6, medicine storage frame; 7, dressing material; 8, first positioning rope; 9, second positioning rope; 10, recess; 11, elastic part; 12, positioning groove; 13, elastic plate; 14, positioning part; 15, connecting groove; 16, inclined groove; 17, connecting block. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0021] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0022] Embodiment one

[0023] As Figure 1 and Figure 2 shown, the present embodiment provides a polyurethane foam dressing, which comprises a bottom sheet 1 and a protective film 2 adhered to the bottom sheet 1, both ends of the protective film 2 are provided with a tear-off part 3, the top end of the bottom sheet 1 is fixed with a medicine storage rack 6, the medicine storage rack 6 is embedded with a dressing object 7, both ends of the medicine storage rack 6 are provided with a connecting groove 15, both sides of the inner wall of the connecting groove 15 are fixed with a elastic plate 13, a connecting block 17 is clamped between the two elastic plates 13, a positioning mechanism for supporting the dressing object 7 is fixed between the multiple connecting blocks 17.

[0024] The top end of the protective film 2 is provided with a protruding part 4, and the bottom end of the protective film 2 is provided with a groove 10 extending into the protruding part 4, the top end of the bottom sheet 1 is fixed with an adhesive piece 5, and the bottom sheet 1 is provided with an elastic part 11 between the adhesive piece 5 and the medicine storage rack 6, the medicine storage rack 6 is embedded in the groove 10, the adhesive piece 5 is tightly connected with the protective film 2, the protective film 2 is easily torn off from the bottom sheet 1 through the tear-off part 3, and at the same time, the elastic part makes the adhesive piece 5 and the medicine storage rack 6 on the bottom sheet 1 be at the same horizontal position, which improves the stability of the adhesive piece 5 after adhesion.

[0025] Embodiment two

[0026] As Figure 3 and Figure 4 shown, wherein the same or corresponding parts as in embodiment one are denoted by corresponding reference numerals, for the sake of brevity, only the difference from embodiment one will be described hereinafter. The difference between this embodiment two and embodiment one is that: the two elastic plates 13 are provided with positioning portions 14 at one end close to each other, the top end of the positioning portion 14 is provided with an inclined slot 16, the central position of the connecting block 17 is provided with a positioning slot 12, the positioning portion 14 is inserted into the positioning slot 12 in a snug fit, the positioning mechanism comprises a first positioning rope 8 arranged symmetrically and a second positioning rope 9 fixed equidistantly between the two first positioning ropes 8, the two ends of the two first positioning ropes 8 are fixedly connected with a plurality of connecting blocks 17 respectively, the connecting block 17 is inserted into the connecting slot 15, and the elastic plate 13 is elastically deformed by being extruded through the inclined slot 16, until the connecting block 17 is completely inserted into the connecting slot 15, the elastic plate 13 pushes the positioning block to be inserted into the positioning slot 12, so that the connecting block 17 is kept fixed, and the first positioning rope 8 and the second positioning rope 9 on the plurality of connecting blocks 17 assist in supporting the dressing article 7, thereby avoiding the situation that the dressing article 7 falls off.

[0027] Working steps

[0028] Step one, during production, the dressing article 7 is inlaid and extruded in the medicine storage rack 6, the connecting block 17 is inserted into the connecting slot 15, and the elastic plate 13 is elastically deformed by being extruded through the inclined slot 16, until the connecting block 17 is completely inserted into the connecting slot 15, the elastic plate 13 pushes the positioning block to be inserted into the positioning slot 12, so that the connecting block 17 is kept fixed, and the first positioning rope 8 and the second positioning rope 9 on the plurality of connecting blocks 17 assist in supporting the dressing article 7, thereby avoiding the situation that the dressing article 7 falls off, the dressing article 7 is fixed and then the protective film 2 is attached to complete packaging, when in use, the protective film 2 is torn off from the bottom sheet 1 by holding and tearing the tearing and pulling portion 3, at the same time, the elastic portion makes the adhesive piece 5 on the bottom sheet 1 be at the same horizontal position as the medicine storage rack 6, and the bottom sheet 1 is fixed on the skin through the adhesive piece 5.

[0029] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A polyurethane foam dressing comprising a base sheet and a protective film bonded to the base sheet, characterized in that: Both ends of the protective film are provided with tearing parts, and a medicine storage rack is fixed to the top of the bottom film. Dressings are embedded in the medicine storage rack, and connecting grooves are opened at both ends of the medicine storage rack. Elastic plates are fixed on both sides of the inner wall of the connecting groove. A connecting block is clamped between the two elastic plates, and a positioning mechanism for supporting the dressings is fixed between the multiple connecting blocks.

2. A polyurethane foam dressing according to claim 1, characterized in that: The top end of the protective film is provided with a protrusion, and the bottom end of the protective film is provided with a groove extending into the protrusion.

3. A polyurethane foam dressing according to claim 2, characterized in that: An adhesive sheet is fixed to the top of the bottom sheet, and an elastic portion is provided on the bottom sheet between the adhesive sheet and the medicine storage rack.

4. A polyurethane foam dressing according to claim 3, characterized in that: The medicine storage rack is embedded in the groove, and the adhesive sheet is tightly connected to the protective film.

5. The polyurethane foam dressing according to claim 1, characterized in that: A positioning portion is provided at one end of each of the two elastic plates that is adjacent to each other, and an inclined groove is provided at the top end of the positioning portion.

6. The polyurethane foam dressing according to claim 5, characterized in that: A positioning groove is provided at the center of the connecting block, and the positioning portion is inserted into the positioning groove.

7. The polyurethane foam dressing according to claim 1, characterized in that: The positioning mechanism includes symmetrically arranged first positioning ropes and second positioning ropes equidistantly fixed between the two first positioning ropes, and both ends of the two first positioning ropes are respectively fixedly connected to a plurality of connecting blocks.