A penile prosthesis is provided, which includes at least one cylinder, a reservoir, and a pump including a pump housing, at least one reservoir channel fluidly coupling the pump housing to the reservoir, at least one cylinder tube fluidly connecting the pump housing to the cylinders, and a fluid passageway...http://www.google.co.uk/patents/US7244227?utm_source=gb-gplus-sharePatent US7244227 - Implantable penile prosthesis pump
