A probe useful for invasively monitoring the oxygen saturation level of blood in the tissue walls of an anatomical canal generally includes a chassis with an electrical connector extending from the proximal end of the chassis and terminating at a plug configured for connection to a pulse oximeter...http://www.google.fr/patents/US5743261?utm_source=gb-gplus-shareBrevet US5743261 - Methods and apparatus for the invasive use of oximeter probes
Methods and apparatus for the invasive use of oximeter probes