Patent ID: 8606342

Claim:
A noninvasive optical sensor capable of outputting a signal usable by a patient monitor to determine one or more physiological parameters of a wearer of the optical sensor, the optical sensor comprising: a light source configured to irradiate tissue at a single tissue location, the light source emitting optical radiation at a number of discrete wavelengths, the number of discrete wavelengths consisting of one wavelength from a first wavelength band in a range of about 1620 nm to about 1655 nm when the light source emits said optical radiation at wavelengths in the first wavelength band, and consisting of one wavelength from a second wavelength band in a range of about 1000 nm to about 1102 nm when the light source emits said optical radiation at wavelengths in the second wavelength band, and a detector capable of detecting the optical radiation after attenuation by body tissue and of outputting a signal indicative of the attenuation by the body tissue, the signal being usable by a patient monitor to determine one or more measurement values for blood glucose of the body tissue.