Title:
CENTRAL VENOUS CATHETER, PREPARATION METHOD THEREFOR AND MEDICAL DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/155733
Kind Code:
A1
Abstract:
A central venous catheter, a preparation method therefor and a medical device comprising same. The central venous catheter comprises: a tube body and a coating layer formed on a surface of the tube body; the coating layer is formed by a coating layer composition, the coating layer composition comprising at least one photosensitive functional compound and at least one photo-curable polymer; the photosensitive functional compound has a P-L-I structure, wherein P represents a photosensitive structural part, L represents a divalent linking group, and I represents a lysine residue; the photo-curable polymer is formed by co-polymerizing components comprising a water-soluble polymerizable photosensitive monomer and a hydrophilic monomer, the water-soluble polymerizable photosensitive monomer comprising: 1) a unit comprising a photosensitive structure; ) a unit comprising a quaternary amine salt structure; 3) a unit comprising an unsaturated bond structure. The described central venous catheter may prevent thrombosis and dissolve primary thrombus; moreover, the surface thereof is super lubricated and the coating layer is firmly bonded.
Inventors:
LEI JIEHUA (CN)
Application Number:
PCT/CN2019/116232
Publication Date:
August 06, 2020
Filing Date:
November 07, 2019
Export Citation:
Assignee:
JIANGSU BIOSURF BIOTECH CO LTD (CN)
International Classes:
C07C227/18; A61L29/08; C07C229/12; C08F220/36; C08F226/10; C09D139/06
Domestic Patent References:
| WO2004076511A2 | 2004-09-10 | |||
| WO2001021326A1 | 2001-03-29 |
Foreign References:
| CN105263535A | 2016-01-20 | |||
| JPS6424821A | 1989-01-26 | |||
| CN107405424A | 2017-11-28 | |||
| CN102947376A | 2013-02-27 | |||
| US20070043160A1 | 2007-02-22 |
Attorney, Agent or Firm:
LINDA LIU & PARTNERS (CN)
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