Perform measurement of blood flow using physiological salt solution, which is harmless to living objects, as a tracer. The head portion (4) of a subject is alternately irradiated with laser light 1, and laser light 2. The light exiting from the head portion (4) is detected and converted to an electric...http://www.google.es/patents/US5564418?utm_source=gb-gplus-sharePatente US5564418 - Diagnostic device for measuring information on blood in a living object
Diagnostic device for measuring information on blood in a living object
