Methods and devices for assessing the operation of a replacement heart valve. The method includes endovascularly delivering a replacement heart valve to a vicinity of a heart valve in an unexpanded configuration, and assessing the operation of the replacement heart valve in the vicinity of the heart...http://www.google.com/patents/US20070244552?utm_source=gb-gplus-sharePatent US20070244552 - Assessing the location and performance of replacement heart valves
