Biocompatible metallic materials grafted with sulfonated poly(ethylene oxide) and preparation thereof
US6440565B1 · kind B1 · utility
15Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2000 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Sep 15, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31504
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surface-modified medical metallic material, which comprise a metallic substrate; a thin film of gold or silver coated on the surface of said substrate; a functional sulfur compound adsorbed on said thin film; and a sulfonated poly(ethylene oxide) (PEO) derivative chemically bonded to functional groups of said sulfur compound, and a method for the preparation thereof are disclosed. It is also disclosed a stent, a cardiac valve and a catheter prepared from the surface-modified metal material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.