Microneedle patch

Abstract

The utility model discloses a microneedle patch which comprises a substrate, a plurality of soluble microneedle bodies are arranged on the surface of the substrate, the soluble microneedle bodies are arranged on the side wall of the substrate in a rectangular shape, a plurality of layers of protective films are sequentially pasted on the side wall of the substrate, and each soluble microneedle body penetrates through the side wall of the corresponding layer of protective film. And the side wall of each layer of protective film is fixedly connected with a brace. The multi-layer protective film is reasonable in design, the multi-layer protective film which can be torn down is arranged, so that the multi-layer protective film can be applied to the skin at different depths, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a microneedle patch. BACKGROUND

[0002] With the deterioration of the environment and age growth, many people's skin or more or less have some problems, and everyone's skin problem point demand point is not the same.

[0003] At present, the emerging soluble microneedle patch prepared by relying on painless transdermal drug delivery technology can effectively solve the skin problems of face, but in the microneedle patch on the market, for the people with more complex skin problems, for example, the depth of wrinkles in different parts of the same face is not the same, and the microneedle cannot realize targeted different depth penetration of the skin. SUMMARY

[0004] The utility model provides a kind of microneedle patch to solve the problems presented in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A microneedle patch, comprising a substrate, the surface of the substrate is provided with a plurality of soluble microneedle bodies, the soluble microneedle bodies are arranged in a rectangular shape on the side wall of the substrate, and a plurality of protective films are sequentially pasted on the side wall of the substrate, each soluble microneedle body penetrates the side wall of the plurality of protective films, and the side wall of each protective film is fixedly connected with a tension strip.

[0007] Preferably, the soluble microneedle body is arranged in a bullet shape.

[0008] Preferably, the height of the soluble microneedle body is 500 μm.

[0009] Preferably, the thickness of the protective film is 100 μm.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The device is reasonable in design, and can realize drug delivery at different depths of the skin by setting a plurality of protective films that can be torn off, and has high practicability.

[0012] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following will be described in detail with the preferred embodiments of the utility model and the accompanying drawings. The specific implementation of the utility model is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the principles of the application. In the drawings:

[0014] Fig. 1 A three-dimensional structure schematic view of a microneedle patch according to the present application;

[0015] Fig. 2 A front view cross-sectional structure schematic view of a microneedle patch according to the present application;

[0016] Fig. 3 A structure schematic view of a plurality of soluble microneedle bodies and a substrate according to the present application.

[0017] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0018] 1, pull strip; 2, substrate; 3, soluble microneedle body; 4, protective film. DETAILED DESCRIPTION

[0019] The principles and features of the present application will be described in the following detailed description with reference to the accompanying drawings. The examples are only used to explain the present application and are not intended to limit the scope of the present application. In the following paragraphs, the present application will be described in more detail with reference to the accompanying drawings. It should be noted that the drawings are greatly simplified and the proportions are not accurate, and are only used to facilitate and clarify the purpose of assisting the description of the embodiments of the present application.

[0020] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be an intervening component. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be an intervening component. When a component is referred to as being "disposed on" another component, it can be directly disposed on the other component or there can be an intervening component. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0022] Please refer to Figs. 1-3The utility model discloses an embodiment of a microneedle patch, comprising a substrate 2, the surface of substrate 2 is equipped with a plurality of soluble microneedle bodies 3, the soluble microneedle body 3 is composed of soluble biocompatibility component and active pharmaceutical ingredient, and the utility model discloses high safety, good biocompatibility can reach the dermis of skin, and dissolve in skin, the soluble microneedle body 3 is arranged in bullet shape, the height of soluble microneedle body 3 is 500 mu m, the soluble microneedle body 3 is arranged on the side wall of substrate 2 in rectangular shape, the side wall of substrate 2 is pasted with multilayer protective film 4 in proper order, the thickness of protective film 4 is 100 mu m, and every soluble microneedle body 3 all penetrates the side wall of multilayer protective film 4, and the side wall of every layer protective film 4 is fixedly connected with a tension strip 1.

[0023] The working principle of the utility model is:

[0024] By tearing off different layers of protective film 4 by grabbing corresponding tension strip 1, the length of soluble microneedle body 3 extending out of the surface of protective film 4 can be different, and then when using, according to the depth of soluble microneedle body 3 needing to penetrate into skin, tear off different layers of protective film 4, finally, a plurality of soluble microneedle bodies 3 are pasted and penetrated towards the surface of skin, realizing the drug delivery of different depths of skin.

[0025] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form; ordinary technical personnel in the industry can implement the utility model according to the drawings and the above description; however, the equivalent changes, such as some changes, modifications and evolution, made by the skilled in the art without departing from the technical scheme of the utility model, are equivalent embodiments of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiment according to the essential technology of the utility model are still within the protection scope of the technical scheme of the utility model.

Claims

1. A microneedle patch comprising a base sheet (2), characterized in that, The surface of the substrate (2) is provided with a plurality of soluble microneedle bodies (3), the soluble microneedle bodies (3) are arranged in a rectangular shape on the side wall of the substrate (2), a plurality of protective films (4) are sequentially pasted on the side wall of the substrate (2), each of the soluble microneedle bodies (3) penetrates the side wall of the plurality of protective films (4), and the side wall of each of the protective films (4) is fixedly connected with a stay (1).

2. The microneedle patch of claim 1, wherein, The soluble microneedle body (3) is arranged in a bullet shape.

3. The microneedle patch of claim 1, wherein The height of the soluble microneedle body (3) is 500 μm.

4. The microneedle patch of claim 1, wherein, The thickness of the protective film (4) is 100 μm.

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