Title:
LUBRICATING COATING FOR SURFACE OF MEDICAL INSTRUMENT AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/279664
Kind Code:
A1
Abstract:
Disclosed are a lubricating coating for the surface of a medical instrument and a preparation method therefor. The lubricating coating comprises a lubricating layer directly provided on the surface of a medical instrument, a base layer provided on the surface of the medical instrument, and a lubricating layer provided on the surface of the base layer, wherein the base layer is selected from a ferroelectric material base layer, an oil gel base layer, a hydrogel base layer, a silica gel base layer, or a solar cell base layer; and the lubricating layer is formed by means of infusion of a lubricating liquid on the surface of the medical instrument or the surface of the base layer. Also disclosed is the use of the lubricating coating on the surface of a medical instrument. In the present invention, by using the lubricating liquid or the lubricating layer formed by means of infusion of the ferroelectric material, the oil gel, the hydrogel, the silica gel and the solar cell filled with the lubricating liquid, the friction between the surface of a medical instrument and a blood vessel wall is reduced, the biocompatibility thereof is improved, and the adhesion of bacteria on the surface of the medical instrument is reduced. The coating material of the present invention, which can be used for an antibacterial medical instrument with an ultra smooth surface, has the advantages of a simple preparation process, a lasting lubricating effect, a stable antibacterial effect, etc.
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Inventors:
DU XUEMIN (CN)
LIU MEIJIN (CN)
WANG FANG (CN)
LIU MEIJIN (CN)
WANG FANG (CN)
Application Number:
PCT/CN2021/138086
Publication Date:
January 12, 2023
Filing Date:
December 14, 2021
Export Citation:
Assignee:
SHENZHEN INST ADV TECH (CN)
International Classes:
A61L31/10; A61L31/08; A61L31/14; A61L31/16
Foreign References:
| CN113499485A | 2021-10-15 | |||
| CN113616859A | 2021-11-09 | |||
| CN103649240A | 2014-03-19 | |||
| CN112870391A | 2021-06-01 | |||
| CN112120834A | 2020-12-25 | |||
| CN105287057A | 2016-02-03 | |||
| CN211460150U | 2020-09-11 | |||
| CN102247647A | 2011-11-23 | |||
| US20190247650A1 | 2019-08-15 |
Attorney, Agent or Firm:
BEIJING ZHONG XUN TONG DA INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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