Medical materials and process for producing the same
US6828028B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2002 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Oct 31, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31515
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical material having a surface which is safe and excellent in stability with the lapse of time and has a high durability as needed in establishing a long-lasting surface lubricity in a wet state and an excellent compatibility with blood, and a method for producing the same. These materials are obtained by forming a coating layer with a coating material containing a polymeric substance (A) having a heterocyclic group represented by the formula (1) on at least a part of a surface of a medical material base, and then ring-opening the heterocyclic group remaining in the coating layer by a nucleophilic compound (N): wherein X represents O, NH or S; and R1 represents H or CH3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.