A multiple-sided medical device comprises a frame comprising wire or other resilient material and having a series of bends and interconnecting sides. The device has both a flat configuration and a second, folded configuration which a generally serpentine shape. The device is pushed from a delivery catheter...http://www.google.se/patents/US20010039450?utm_source=gb-gplus-sharePatent US20010039450 - Implantable vascular device
