A percutaneous filter system for providing temporary filtering of emboli from the blood is disclosed, the filter system including a delivery catheter having a first working access lumen and a second filter deployment/retrieval lumen containing a filtering device which is deployable therefrom. The filtering...http://www.google.de/patents/US5893869?utm_source=gb-gplus-sharePatent US5893869 - Retrievable inferior vena cava filter system and method for use thereof
