A method for use and an improved oximeter sensor substrate that is conforming to the shape of the patient's forehead. In one embodiment, the present invention is an oximeter sensor, having a substrate with a shape similar to a shape of at least a portion of a patient's forehead and including a section...http://www.google.com.au/patents/US7809420?utm_source=gb-gplus-sharePatent US7809420 - Hat-based oximeter sensor
