Method and apparatus for retrieving an object such as a stent from a subject. A catheter supports two wire loops that can be manipulated from outside the subject to engage the object. By manipulating the catheter and the wire loops, the object can be captured and drawn inside a guide catheter through...http://www.google.de/patents/US5098440?utm_source=gb-gplus-sharePatent US5098440 - Object retrieval method and apparatus
