A method is provided for controlling blood flow through a blood vessel of a subject. The method includes implanting a pump outside of the blood vessel and placing within the blood vessel an expansion element that is capable of expanding the blood vessel subsequent to compression of the blood vessel by...http://www.google.com/patents/US20080234536?utm_source=gb-gplus-sharePatent US20080234536 - Implantable peristaltic pump to treat erectile dysfunction