Closure device for transcatheter operation and catheter assembly therefor
US6342064B1 · kind B1 · utility
167Cited by
18References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1999 |
| Grant date | Jan 29, 2002 |
| Priority date | — |
| Expiry date | Dec 22, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00615
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An easily foldable closure device for transcatheter operations, comprises: a flat closure member including a closure membrane and a frame for fimbriating a periphery of the membrane; a fixing member for fixing the closure member to a tissue surrounding a defect aperture; and a connecting member fixed at one end to the fixing member and at the other end to the closure member for holding them in close proximity to one another. The frame, fixing member and connecting member are respectively made of the same or different shape-memory alloys with a shape recovery temperature of 30 to 37° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.