Dual-wireform limited expansion heart valves
US11135057B2 · kind B2 · utility
1Cited by
213References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2019 |
| Grant date | Oct 5, 2021 |
| Priority date | — |
| Expiry date | Feb 16, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/006
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A prosthetic heart valve configured to replace a native heart valve and having a support frame configured to be reshaped into an expanded form in order to receive and/or support an expandable prosthetic heart valve therein. A dual-wireform support frame including an upper and a lower wireform permits expansion of the valve by one or two valve sizes, for example, with a 2-mm gap between each valve size. The lower wireform has a relatively shallow undulation so that it may stretch apart by a small amount and then prevent further expansion of the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.