Expandable polymer heart valve
US12414853B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2025 |
| Grant date | Sep 16, 2025 |
| Priority date | — |
| Expiry date | Feb 27, 2045 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2310/00005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Provided by the present invention is an expandable polymeric heart valve. The expandable polymeric heart valve comprises valve leaflets and a valve frame. The valve frame has a hollow cylindrical structure. The valve further comprises an insert adapted to be embedded in the valve frame along an axial direction. The insert is provided with at least one expansion groove in a circumferential direction. The expansion groove has a closed state and an open state. The insert is provided with a limiting structure at an outer wall of the two ends of the expansion groove. The limiting structure defines an expansion width when the expansion groove is in the open state. The present invention achieves expansibility after valve damage while ensuring blood flow properties in the original state of normal use of the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.