An implantable sensor device, such as a pressure monitor, is implanted in the left ventricle (LV), in other heart chambers, or elsewhere, from which it wirelessly communicates pressure information to a remote communication device. The sensor device can be implanted using a placement catheter, an endoscope,...http://www.google.com/patents/US7425200?utm_source=gb-gplus-sharePatent US7425200 - Implantable sensor with wireless communication
