A peri-arterial blood flow booster apparatus for improving blood pressure and flow, to be implanted around a blood vessel of a patient. The booster comprises a pressure applying device (56) comprising at least one balloon (44), placed alongside a portion of the blood vessel and a restrainer (54) for...http://www.google.com/patents/US7666131?utm_source=gb-gplus-sharePatent US7666131 - Peri-arterial blood flow booster