An antenna apparatus for an implantable medical device is adapted and disposed to have an increased telemetry range by providing a plurality of antennas connected in parallel with each other, and physically separated from each other. The antennas may be mounted within the IMD can or they may be located...http://www.google.co.uk/patents/US6009350?utm_source=gb-gplus-sharePatent US6009350 - Implant device telemetry antenna
