Expandable medical implants for maintaining support of a body lumen are disclosed. These implants comprise a circumferentially nested, diametrically expandable, moveable vascular device for enlarging an occluded portion of a vessel. The device can be configured to allow for motion such as rotating, translating, and/or slide and lock. One advantage of the circumferentially nested stent is that it maintains the expanded size, without significant recoil.

 
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< Biodegradable biocompatible implant

< Molds for fabricating stents with profiles for gripping a balloon catheter

> Ex vivo and in vivo expression of the thrombomodulin gene for the treatment of cardiovascular and peripheral vascular diseases

> Medical devices containing radiation resistant block copolymer

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