Double cross-linkage process to enhance post-implantation bioprosthetic tissue durability
US9351829B2 · kind B2 · utility
1Cited by
232References
25Claims
0Family size
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Key dates
| Filing date | Nov 15, 2011 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Nov 15, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Bioprosthetic tissues and methods for making same, comprising fixing bioprosthetic implant tissue by treatment with 0.1 to 10 wt. % glutaraldehyde at elevated temperature, capping said fixed tissue by treatment with a diamine crosslinking agent, and treating said capped tissue with about 0.6 wt. % glutaraldehyde.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.