A telemetric medical sensor for implantation in a patient's body for measuring a parameter therein is provided. The sensor comprises a housing and a membrane at one end of the housing. The membrane is deformable in response to the parameter being measured. A microchip is positioned within the housing...http://www.google.ca/patents/US6638231?utm_source=gb-gplus-sharePatent US6638231 - Implantable telemetric medical sensor and method
