A collapsible medical device and associated method for occluding an abnormal opening in, for example, a body organ, wherein the medical device is shaped from a shape memory metal fabric. The device may be used, for example, to non-surgically treat a patient having a Patent Foramen Ovale (PFO) and resulting...http://www.google.com/patents/US5944738?utm_source=gb-gplus-sharePatent US5944738 - Percutaneous catheter directed constricting occlusion device
