An acoustic biosensor is provided for deployment at an implantation site within a body, such as an abdominal aortic aneurysm. The biosensor includes a sensor element for measuring a physiological condition at the implantation site, and for generating an information signal representative of the physiological...http://www.google.ca/patents/US6486588?utm_source=gb-gplus-sharePatent US6486588 - Acoustic biosensor for monitoring physiological conditions in a body implantation site
