Vibratory venous and arterial oximetry sensor

Details Vibratory venous and arterial oximetry sensor Vibratory venous and arterial oximetry sensor

2005-09-20

2005-09-20

Winakur, Eric F. (Department: 3736)

Surgery

Diagnostic testing

Measuring or detecting nonradioactive constituent of body...

C600S322000

Reexamination Certificate

active

06947781

ABSTRACT:
A method and an apparatus for distinguishing concentrations of blood constituents among distinct vascular components in situ. The method has steps of inducing periodic vibration, characterized by a frequency, in a limb of a person in such as manner as to selectively excite a resonant response in a specified blood vessel of the person, an artery or a vein, illuminating the limb of the person with a light source, and synchronously detecting a plethysmographic signal for discriminating response attributable to the specified blood vessel.

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