A fiber optic pressure catheter includes a light source, an optical fiber coupled to receive light from the light source and a sensor head that is optically coupled to the optical fiber. The sensor head has a housing defining a chamber coupled to an end of the optical fiber opposite the light source....http://www.google.fr/patents/US5987995?utm_source=gb-gplus-shareBrevet US5987995 - Fiber optic pressure catheter
