Medicinal composite hard tablet

By designing the layered structure of the medicinal composite hard tablets and the controlled release of microcapsules, the degradation and physical damage caused by environmental factors during storage and transportation of drug preparations is solved, and the stability and continuous release of drugs are achieved.

CN223081980UActive Publication Date: 2025-07-11ZHEJIANG DUOLING PHARM PACKAGING MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421927606.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-07-11
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

Existing pharmaceutical preparations such as tablets are susceptible to humidity, oxygen and light during storage and transportation, resulting in degradation of drug ingredients, and physical damage affects the integrity and efficacy of drug release.

Method used

A composite hard sheet structure consisting of a base layer made of polymer material, a protective layer made of protective film material and a drug layer equipped with an adhesive layer, combined with a microcapsule design and anti-adhesion layer to provide comprehensive protection and controlled release.

Benefits of technology

It improves the chemical and physical stability of the drug, prevents external environmental factors, realizes the continuous release of the drug, and reduces adhesion during storage and transportation, and ensures the efficacy and safety of the drug.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223081980U_ABST
    Figure CN223081980U_ABST
Patent Text Reader

Abstract

The utility model discloses a medicinal composite hard sheet which comprises a bottom layer, a medicine layer and a protective layer, the bottom layer is made of high polymer materials, the protective layer is made of protective film materials, bonding layers are arranged on two adjacent layers of the bottom layer, the medicine layer and the protective layer, and an anti-sticking layer is arranged on the outer surface of the protective layer. According to the medicinal composite hard sheet disclosed by the utility model, through the layered structural design of the bottom layer, the medicine layer and the protective layer, comprehensive protection on medicine components is provided, and the chemical and physical stability of the medicine is obviously improved; the influence of external environmental factors such as humidity, oxygen and light on medicine components is effectively prevented; the microcapsules are arranged on the medicine layer, so that controlled release of the medicine can be realized, side effects caused by quick release of the medicine are avoided, and meanwhile, the continuous curative effect of the medicine is ensured; and the anti-sticking layer is made of a silicone oil material which has the characteristic of low surface energy, so that the adhesion of the hard sheet in the storage and transportation processes is effectively reduced, and the practicability and convenience of the hard sheet are improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to a medicinal composite hard sheet. Background Art

[0002] In existing pharmaceutical preparations, the stability and release control of drugs are key factors, directly affecting the efficacy and safety of drugs. Traditional pharmaceutical preparations, such as tablets, capsules and liquid preparations, although solving the problems of drug storage and transportation to a certain extent, still have some limitations.

[0003] Tablets are one of the most common forms of pharmaceutical preparations. However, tablets are easily affected by humidity, oxygen and light during storage and transportation, resulting in the degradation of drug components; pharmaceutical preparations are easily physically damaged during transportation and use, affecting their integrity and drug release. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a medicinal composite hard sheet to solve the above technical problems.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a medicinal composite hard sheet, including a bottom layer, a drug layer and a protective layer. The bottom layer is made of a polymer material, the protective layer is made of a protective film material, an adhesive layer is provided between two adjacent layers of the bottom layer, the drug layer and the protective layer, and an anti-sticking layer is provided on the outer surface of the protective layer.

[0006] Based on the above solution and as a preferred solution of the above solution: the polymer material is polyvinyl chloride, polypropylene or polyethylene.

[0007] Based on the above solution and as a preferred solution of the above solution: a number of microcapsules are provided on the drug layer, and the diameter of the microcapsules is 10 μm.

[0008] Based on the above solution and as a preferred solution of the above solution: the protective film material is polydimethylsiloxane, polytetrafluoroethylene or silicone rubber.

[0009] Based on the above solution and as a preferred solution of the above solution: the adhesive layer is made of polyurethane, epoxy resin or acrylic resin.

[0010] Based on the above solution and as a preferred solution of the above solution: the anti-sticking layer is made of a silicone oil material.

[0011] The beneficial effects of the present utility model are as follows: Through the layered structure design of the bottom layer, drug layer, and protective layer, the pharmaceutical composite hard sheet in the present utility model provides comprehensive protection for drug components, significantly improving the chemical and physical stability of the drugs. The combined action of the polymer material of the bottom layer and the protective film material of the protective layer effectively prevents the influence of external environmental factors such as humidity, oxygen, and light on the drug components; microcapsules are provided on the drug layer, and this design can achieve the controlled release of drugs, avoiding side effects caused by the rapid release of drugs and ensuring the continuous efficacy of the drugs; the anti-adhesive layer is made of silicone oil material, which has the characteristic of low surface energy and effectively reduces the adhesiveness of the hard sheet during storage and transportation, improving the practicality and convenience of the hard sheet. Brief Description of the Drawings

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model. Detailed Embodiments

[0013] To make the objectives, technical solutions, and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments. However, the specific embodiments and examples described below are for illustrative purposes only and are not limitations to the present utility model.

[0014] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0015] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0016] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0017] In the present utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on the top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under the bottom of" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0018] Referring to the Figure 1 , a kind of medicinal composite hard sheet in this embodiment includes a bottom layer 1, a drug layer 3 and a protective layer 4. The bottom layer 1 is made of a polymer material, the protective layer 4 is made of a protective film material. An adhesive layer 2 is provided between two adjacent layers among the bottom layer 1, the drug layer 3 and the protective layer 4, and an anti-adhesive layer 5 is provided on the outer surface of the protective layer 4.

[0019] Furthermore, the polymer material is polyvinyl chloride, polypropylene or polyethylene.

[0020] Furthermore, the protective film material is polydimethylsiloxane, polytetrafluoroethylene or silicone rubber.

[0021] The combined action of the polymer material of the bottom layer 1 and the protective film material of the protective layer 4 effectively prevents the influence of external environmental factors such as humidity, oxygen and light on the drug components.

[0022] Furthermore, a number of microcapsules are provided on the drug layer 3, and the diameter of the microcapsules is 10 μm. This design can achieve the controlled release of the drug, avoid the side effects caused by the rapid release of the drug, and at the same time ensure the continuous efficacy of the drug.

[0023] Furthermore, the adhesive layer 2 is made of polyurethane, epoxy resin or acrylic resin.

[0024] The adhesive layer 2 is made of polyurethane, epoxy resin or acrylic resin. These materials have good adhesive properties, ensure the firm bonding between layers, and improve the structural integrity and durability of the hard sheet.

[0025] Further, the anti-sticking layer 5 is made of silicone oil material. The anti-sticking layer 5 made of silicone oil material has the characteristic of low surface energy, effectively reducing the adhesiveness of the hard sheet during storage and transportation, and improving the practicability and convenience of the hard sheet.

[0026] The above embodiments are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A medicinal composite hard sheet, characterized in that: It includes a bottom layer, a drug layer and a protective layer. The bottom layer is made of a polymer material, the protective layer is made of a protective film material, an adhesive layer is provided between two adjacent layers among the bottom layer, the drug layer and the protective layer, and an anti-adhesive layer is provided on the outer surface of the protective layer.

2. The medicinal composite hard sheet according to claim 1, wherein: The polymer material is polyvinyl chloride, polypropylene or polyethylene.

3. The medicinal composite hard sheet according to claim 2, characterized in that: A number of microcapsules are provided on the drug layer, and the diameter of the microcapsules is 10 μm.

4. A pharmaceutical composite hard sheet according to claim 3, wherein: The protective film material is polydimethylsiloxane, polytetrafluoroethylene or silicone rubber.

5. The medicinal composite hard sheet according to claim 4, characterized in that: The adhesive layer is made of polyurethane, epoxy resin or acrylic resin.

6. A medicinal composite hard sheet according to claim 5, characterized in that: The anti-adhesive layer is made of a silicone oil material.