CN219629940U

CN219629940U - PU medical adhesive bandage film

Info

Publication number: CN219629940U
Application number: CN202320753191.3U
Authority: CN
Inventors: 张献藏; 夏茂弘; 朱耀钗; 张伟豪
Original assignee: WENZHOU HAOGE ANTI-COUNTERFEITING TECHNOLOGY CO LTD
Current assignee: WENZHOU HAOGE ANTI-COUNTERFEITING TECHNOLOGY CO LTD
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-09-05
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses a PU medical adhesive bandage, which comprises a PU film layer, wherein an adhesive layer is arranged on the lower surface of the PU film layer, a protruding part is arranged in the middle of the upper surface of the PU film layer, an inner concave part is arranged on the side surface of the protruding part, a ventilation cavity is arranged in the protruding part, and a plurality of first ventilation through holes are arranged between the ventilation cavity and the inner wall surface of the inner concave part; the PU film layer is provided with a plurality of second ventilation through holes aligned to the ventilation cavity; and a third ventilation through hole is formed in the position, aligned with the ventilation cavity, of the adhesive layer. According to the technical scheme, the PU film layer is adhered to the existing band-aid band body through the adhesive layer, and the third ventilation through hole, the second ventilation through hole and the first ventilation through hole are communicated, so that the ventilation performance is good; because the outer port of first ventilative through-hole sets up on the inner wall surface of concave part, waterproof performance is good, and the side upper end of bellying an organic whole is provided with waterproof chimb for waterproof performance is better, and the practicality is good.

Description

PU medical adhesive bandage film

Technical Field

The utility model relates to the technical field of band-aids, in particular to a PU medical band-aid film.

Background

The prior adhesive bandage generally comprises cotton cloth or adhesive tape, a water absorbing pad, a protective layer and an adhesive sticker layer, the prior medical adhesive bandage comprises a band body, the adhesive sticker layers are arranged at two ends of the band body, and a medicine layer is stuck in the middle of the band body. When in use, the medicine layer is placed at the wound, and the adhesive layers at the two ends of the belt body are adhered to the skin.

However, the existing band-aid structure has the following defects: the existing waterproof band-aid is provided with a PU film on the outer layer, the upper surface of the PU film is a plane, no ventilation holes are formed, the PU film has a waterproof effect, but the ventilation property of the band-aid is poor after the PU film is arranged, wound healing is easy to influence, and the practicality is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the PU medical adhesive bandage film which has reasonable structural design, good waterproof performance, good air permeability and good practicability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the medical band-aid film comprises a PU film layer, wherein an adhesive layer is arranged on the lower surface of the PU film layer, a protruding part is arranged in the middle of the upper surface of the PU film layer, an inner concave part is arranged on the side surface of the protruding part, a ventilation cavity is arranged in the protruding part, and a plurality of first ventilation through holes are arranged between the ventilation cavity and the inner wall surface of the inner concave part;

the PU film layer is provided with a plurality of second ventilation through holes aligned to the ventilation cavity;

and a third ventilation through hole is formed in the position, aligned with the ventilation cavity, of the adhesive layer.

The utility model is further provided with: the protruding portion is rectangular structure or circular structure, the side upper end of protruding portion is provided with waterproof chimb in an organic whole.

The utility model is further arranged to: the thickness of the PU film layer is 0.1-0.5 mm, and the thickness of the protruding part is 0.08-1.2 mm.

The utility model is further arranged to: the adhesive layer is a self-adhesive layer, and the thickness of the adhesive layer is 0.05-0.5 mm.

The utility model is further arranged to: the inner concave part is an annular groove, and the number of the first ventilation through holes between the ventilation cavity and the inner wall surface of the inner concave part is more than 3.

The utility model is further arranged to: the number of the second ventilation through holes is more than 3, and the first ventilation through holes and the second ventilation through holes are round through holes or rectangular through holes.

By adopting the technical scheme, the utility model has the following beneficial effects:

compared with the prior art, the novel adhesive bandage has reasonable structural arrangement, and the PU film layer is adhered to the existing adhesive bandage body through the adhesive layer, and the third ventilation through hole, the second ventilation through hole and the first ventilation through hole are communicated, so that the air permeability is good; because the outer port of first ventilative through-hole sets up on the inner wall surface of concave part, waterproof performance is good, and the side upper end of bellying an organic whole is provided with waterproof chimb for waterproof performance is better, and the practicality is good.

The utility model is further described below with reference to the drawings and specific examples.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic structural view of the portion I in FIG. 1;

fig. 3 is a schematic top view of an embodiment of the present utility model.

Detailed Description

In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.

Referring to fig. 1, 2 and 3, the medical band-aid film of PU disclosed by the utility model comprises a PU film layer 1, wherein an adhesive layer 2 is arranged on the lower surface of the PU film layer 1, a protruding part 11 is arranged in the middle of the upper surface of the PU film layer 1, an inner concave part 12 is arranged on the side surface of the protruding part 11, a ventilation cavity 13 is arranged in the protruding part 11, and a plurality of first ventilation through holes 14 are arranged between the ventilation cavity 13 and the inner wall surface of the inner concave part 12;

a plurality of second ventilation through holes 15 are formed in the PU film layer 1 aligned to the ventilation cavity;

the position of the adhesive layer 2 aligned with the ventilation cavity 13 is provided with a third ventilation through hole 21.

Preferably, the first ventilation through hole 14, the second ventilation through hole 15 and the third ventilation through hole 21 are communicated.

In order to make the structure of the present utility model more reasonable, preferably, the protruding portion 11 has a rectangular structure or a circular structure, and the upper end of the side surface of the protruding portion 11 is integrally provided with a waterproof flange 111.

The thickness of the PU film layer 1 is 0.1-0.5 mm, and the thickness of the protruding part 11 is 0.08-1.2 mm.

The adhesive layer 2 is a self-adhesive layer, and the thickness of the adhesive layer 2 is 0.05-0.5 mm.

The inner recess 12 is an annular groove, and the number of the first ventilation through holes 14 between the ventilation cavity 13 and the inner wall surface of the inner recess 12 is more than 3.

The number of the second ventilation through holes 15 is more than 3, and the first ventilation through holes 14 and the second ventilation through holes 15 are circular through holes or rectangular through holes.

In practical application, the PU film layer is adhered to the existing band-aid band body through the adhesive layer, and the third ventilation through hole, the second ventilation through hole and the first ventilation through hole are communicated, so that the ventilation is good; because the outer port of first ventilative through-hole sets up on the inner wall of concave part, waterproof performance is good, and the side upper end of bellying an organic whole is provided with waterproof chimb for waterproof performance is better, structural design is reasonable, and the practicality is good.

The foregoing embodiments are provided for further explanation of the present utility model and are not to be construed as limiting the scope of the present utility model, and some insubstantial modifications and variations of the present utility model, which are within the scope of the utility model, will be suggested to those skilled in the art in light of the foregoing teachings.

Claims

1. The utility model provides a medical band-aid film of PU, includes PU rete (1), its characterized in that: the PU film comprises a PU film layer (1), wherein an adhesive layer (2) is arranged on the lower surface of the PU film layer (1), a protruding portion (11) is arranged in the middle of the upper surface of the PU film layer (1), an inner concave portion (12) is arranged on the side face of the protruding portion (11), a ventilation cavity (13) is arranged in the protruding portion (11), and a plurality of first ventilation through holes (14) are formed between the ventilation cavity (13) and the inner wall surface of the inner concave portion (12);

the PU film layer (1) is provided with a plurality of second ventilation through holes (15) aligned to the ventilation cavity;

and a third ventilation through hole (21) is formed in the position, aligned with the ventilation cavity (13), of the adhesive layer (2).

2. The PU medical adhesive bandage of claim 1, wherein: the protruding portion (11) is of a rectangular structure or a round structure, and a waterproof convex edge (111) is integrally arranged at the upper end of the side face of the protruding portion (11).

3. The PU medical adhesive bandage of claim 2, wherein: the thickness of the PU film layer (1) is 0.1-0.5 mm, and the thickness of the protruding part (11) is 0.08-1.2 mm.

4. A PU medical adhesive bandage according to claim 3, wherein: the adhesive layer (2) is a self-adhesive layer, and the thickness of the adhesive layer (2) is 0.05-0.5 mm.

5. The PU medical band-aid film according to claim 1 or 4, wherein: the inner concave part (12) is an annular groove, and the number of the first ventilation through holes (14) between the ventilation cavity (13) and the inner wall surface of the inner concave part (12) is more than 3.

6. The PU medical adhesive bandage of claim 5, wherein: the number of the second ventilation through holes (15) is more than 3, and the first ventilation through holes (14) and the second ventilation through holes (15) are round through holes or rectangular through holes.