To provide a portable medical measuring instrument which can be handled with one hand and has a compact size, and with which stable measurement is made possible while being hardly affected by disturbance light and without giving a discomfort of catching a finger to be examined therewith and being affected by the thickness of the finger to be examined.
The instrument comprises sensors (2a), (2b) in which a groove (11e) formed to be abutted on the palm side of the middle finger or the fourth finger of an examinee, a left wing (11a) and a right wing (11b) formed to be abutted on the back side of both neighboring fingers are integrally formed, and each of which is composed of a light emitting part and a light receiving part disposed on the surface of the groove (11e), any one of or both the left wing (11a) and the right wing (11b) comprise displays (3), (4) for indicating the measured result. At least a degree of saturation of arterial blood oxygen is measured by the sensors.
TANAKA RYOHEI
YOKOTA SHOJI
Kameda Tetsuaki