Apparatus for endovascularly replacing a patient's heart valve, including: a replacement valve adapted to be delivered endovascularly to a vicinity of the heart valve; an expandable anchor adapted to be delivered endovascularly to the vicinity of the heart valve; and a lock mechanism configured to maintain...http://www.google.de/patents/US7959672?utm_source=gb-gplus-sharePatent US7959672 - Replacement valve and anchor
