A probe system for removable attachment to a patient in which the probe containing light emitter and detector elements is separable from a fastener for securing the probe to the skin of a patient to enable the fastener to be discarded and the probe reused. Apertures in the fastener complementary to the...http://www.google.com/patents/US5170786?utm_source=gb-gplus-sharePatent US5170786 - Reusable probe system
