Antimicrobial surgical implants
US4476590A · kind A · utility
159Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1981 |
| Grant date | Oct 16, 1984 |
| Priority date | — |
| Expiry date | Nov 23, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/722
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Surgical implants, especially endoprosthetic orthopaedic implants and sutures, are rendered antimicrobial by the presence of a bioerodible metallic silver component, especially a surface coating, which provides in vivo a sustained release of silver ions in a concentration sufficient to provide a localized antimicrobial effect but insufficient to cause significant damage to connective tissue. Latently bioerodible silver components of an implant can be activated by, for example, abrasion, heating to above about 180.degree. C. or, especially, contact with hydrogen peroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.