Paravalvular leak resistant prosthetic heart valve system
US11737866B2 · kind B2 · utility
0Cited by
6References
11Claims
0Family size
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Key dates
| Filing date | Aug 2, 2021 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Nov 17, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A paravalvular leak resistant prosthetic heart valve system including a stent frame, a valve structure and a sealing mechanism. The stent frame has a surface. The valve structure is associated with the stent frame. The sealing mechanism at least partially extends over the surface of the stent frame. The sealing mechanism includes at least one semi-permeable membrane and an osmotic gradient driving material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.