Intra-ocular lens
US5049156A · kind A · utility
6Cited by
6References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 29, 1990 |
| Grant date | Sep 17, 1991 |
| Priority date | — |
| Expiry date | Oct 29, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intra-ocular lens comprising a lens part and a fixing part for fixing the lens part in an eye, the lens part comprising a colorless and transparent polyimide containing at least one of repeating units represented by formulae (I) to (IV): ##STR1## wherein X.sub.1 represents ##STR2## X.sub.2 represents ##STR3## X.sub.3 represents ##STR4## Further, the lens part and the fixing part may be integrally molded together, if desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.