Expansible bioprosthetic valve stent
US6458156B1 · kind B1 · utility
55Cited by
15References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1999 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Sep 8, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L31/145
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bioprosthetic valve stent is fabricated from a hydrogel, and a bioprosthetic heart valve comprises such a stent. A method for fabricating a hydrogel bioprosthetic valve stent comprises filling a mold cavity with a solution of a hydrogel, allowing the hydrogel to solidity, removing the solidified hydrogel from the mold cavity and hydrating the hydrogel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.