An implantable medical device is configured so that all of the major components including a housing and attached leads are disposed within the vasculature of a patient. A tether extends from the housing of the device to an implant location where the tether is secured to tissue outside of the vasculature....http://www.google.fr/patents/US7519424?utm_source=gb-gplus-shareBrevet US7519424 - Intravascular medical device