COVERING FILM, SYSTEM COMPRISING SAME, AND USAGE METHOD AND APPLICATION THEREFOR

Title:

COVERING FILM, SYSTEM COMPRISING SAME, AND USAGE METHOD AND APPLICATION THEREFOR

Document Type and Number:

WIPO Patent Application WO/2020/211763

Kind Code:

A1

Abstract:

A medical covering film and system, and a usage method and an application therefor. The medical covering film comprises a barrier film layer (10), an adsorption layer (20), and a reticular adhesive layer (30), one side of the adsorption layer (20) being composited on the barrier film layer (10), and the reticular adhesive layer (30) being composited on the other side of the adsorption layer (20); the area of an adhesive-free region (31) of the reticular adhesive layer (30) occupies 10% or more of the total area of the reticular adhesive layer (30), but not 100%. The usage method is as follows: coating a water-containing semi-solid preparation (40) on a central region of the reticular adhesive layer (30) of the medical covering film; covering affected skin with the medical covering film so that the preparation comes into contact with the affected skin; and then adhering an edge region of the reticular adhesive layer (30) to skin outside of the affected skin. The present medical covering film can fix a preparation to the affected skin very well, is not easily squeezed off the target skin area by external force, and can maintain the moisture in the preparation very well.

Inventors:

ZHANG JIE (CN)
TANG PEIKE (CN)

Application Number:

PCT/CN2020/084858

Publication Date:

October 22, 2020

Filing Date:

April 15, 2020

Export Citation:

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Assignee:

HUZHOU INNOVATION PHARMACEUTICAL CO LTD (CN)

International Classes:

A61F13/00; A61F13/02

Foreign References:

CN102327161A	2012-01-25
CN108420605A	2018-08-21
CN103596560A	2014-02-19
CN108030592A	2018-05-15
CN102600013A	2012-07-25
US20140336557A1	2014-11-13
US20060193900A1	2006-08-31
CN201910300866A	2019-04-15
CN201920508226U	2019-04-15

Other References: