Bistable spring construction for a stent and other medical apparatus
US9241782B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 8, 2010 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Mar 27, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0039
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to bistable cells and their use in devices, particularly medical devices such as stents, clamps and valves. An expandable stent formed of a plurality of bistable cells is described. The stent has two or more stable configurations, including a first stable configuration with a first diameter and a second stable configuration with a second, larger diameter. A valve comprising a bistable cell for use in eliminating incontinence is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.