System and method for photon density wave pulse oximetry and...

Details System and method for photon density wave pulse oximetry and... System and method for photon density wave pulse oximetry and...

A - Human Necessities

61

B

A61B 5/1455 (2006.01)

Patent

CA 2738237

Present embodiments are directed to a system and method capable of modulating light at a modulation frequency within a range of 50 MHz to 3 GHz to generate photon density waves in a medium, detecting relative amplitude changes and phase shifts in the photon density waves, and detecting and graphically indicating a physiologic value related to scattering particles in the medium based on the phase shifts.

Les modes de réalisation de la présente invention concernent un système et un procédé capables de moduler la lumière à une fréquence de modulation dans une plage de 50 MHz à 3 GHz pour générer des ondes de densité de photons dans un milieu, de détecter des modifications damplitude relatives et des décalages de phases dans les ondes de densité de photons, et de détecter et de graphiquement indiquer une valeur physiologique liée à la diffusion des particules dans le milieu en se basant sur les décalages de phase.

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