Patent ID: 9591975
Date: 2017-03-14
CPC Classifications: A61B

Claim:
1. A multi-stream emitter for a noninvasive, physiological device configured to transmit optical radiation in a tissue site, said emitter comprising: a submount comprising a base surface; a first surface perpendicular to the base surface; a second surface perpendicular to the first surface and the base surface; a top-emitting diode affixed on the first surface and configured to transmit first infrared optical radiation in a first direction perpendicular to the first surface and into a tissue site of a patient; a side-emitting diode affixed on the second surface and configured to transmit second infrared optical radiation in a second direction parallel to the second surface and into the tissue site of the patient, wherein the side-emitting diode is configured to transmit the second infrared optical radiation at a power between 40 mW to 100 mW and at a wavelength between 1600 nm to 1800 nm, and wherein the side-emitting diode is larger than the top-emitting diode; a heat sink thermodynamically coupled to the top-emitting diode and the side-emitting diode; and at least one thermistor configured to detect a temperature of at least one of the optical sources, the top-emitting diode and the side-emitting diode positioned on the submount such that the first and the second infrared optical radiation are generally aligned toward the tissue site of the patient.