Injectable soft tissue augmentation materials from the placenta and their method of manufacture
US5002071A · kind A · utility
94Cited by
10References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1989 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | Sep 27, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2400/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a soft tissue augmentation material from human placenta homogenized to pass through a surgical needle, preferably a 30 gauge surgical needle, and cross-linking collagen molecules of the material by gamma irradiation. Also disclosed are methods of making the injectable soft tissue augmentation material and using it in human beings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.