Prosthetic heart valve formation
US9814572B2 · kind B2 · utility
39Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2015 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Mar 12, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49405
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A prosthetic heart valve includes a base and a plurality of polymeric leaflets. Each leaflet has a root portion coupled to the base, and each leaflet has an edge portion substantially opposite the root portion and movable relative to the root portion to coapt with a respective edge portion of at least one of the other leaflets of the plurality of leaflets. Each leaflet includes) at least two polymers along at least one portion of the leaflet, and each leaflet has a composition gradient of each of the at least two polymers along at least one portion of the leaflet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.