An implant device which includes a structure implantable within a living animal and a sensor included as part of the structure. The sensor is operatively configured to detect accretion of biological material on the sensor by producing an output which varies as a function of the accretion of biological...http://www.google.es/patents/US6092530?utm_source=gb-gplus-sharePatente US6092530 - Remotely interrogated implant device with sensor for detecting accretion of biological matter
Remotely interrogated implant device with sensor for detecting accretion of ...