The sensor (1) comprises a sensor body (3) thermostatable by means of a first thermostating system (14,15) and having an outer surface (3a,40a) for application to the human body (28) in heat conductive relationship therewith, said outer surface (3a,40a) forming the measuring surface of the sensor (1)....http://www.google.com.au/patents/US5425868?utm_source=gb-gplus-sharePatent US5425868 - Sensor for non-invasive, in vivo determination of an analyte and blood flow
