BISTABLE SPRING CONSTRUCTION FOR A STENT

摘要

The present invention is directed to bistable cells and their use in devices, particularly medical devices such as stents (50), clamps and valves. An expandable stent formed of a plurality of bistable cells (52,54) 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.