Patent ID: 7613502

Claim:
An optical bioinstrumentation for living body comprising: a probe that includes an irradiator which irradiates light to a subject and a detector which detects transilluminated light having been irradiated from the irradiator and having been propagated through the subject, and that is mountable on the subject; a computing unit that calculates a concentration of metabolite in the subject according to a signal detected by the detector; a position sensor that detects a three-dimensional position of the probe; and a display unit that displays an indicator indicating the concentration of metabolite calculated by the computing unit; wherein: the computing unit is further configured to determine a position on the subject at which the probe should be disposed where the positions on the subject of the irradiator and the detector are positions at which normals to the positions on the subject of the irradiator and the detector intersect an area of interest of an anatomical image of the subject or a brain functional image thereof, further wherein the display unit displays representations expressing the determined positions on the subject of the irradiator and the detector superimposed on the anatomical image of the subject or the brain functional image.