Prosthetic heart valves having fiber reinforced leaflets
US10314696B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2016 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Feb 23, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A prosthetic heart valve leaflet includes a plurality of electrospun fibers at least partially embedded in a polymer matrix. The plurality of fibers includes a first polyisobutylene urethane copolymer having a first predetermined weight average percentage of hard segment portions and the polymer matrix includes a second polyisobutylene urethane copolymer having a second predetermined weight average percentage of the hard segment portions, wherein the first predetermined weight average percentage of the hard segment portions is greater than the second predetermined weight average percentage of the hard segment portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.