An embodiment of an ear sensor assembly comprises an emitter pad and a detector pad. A clip is configured to removably retain each of the pads. The clip has an open position for placement on an ear tissue site and a closed position for securing the pads to opposite sides of the site. The assembly includes...http://www.google.com.au/patents/US7341559?utm_source=gb-gplus-sharePatent US7341559 - Pulse oximetry ear sensor
