METHOD OF MEASURING SEDATIN USING OCULAR MICROTREMOR (OMT) AND MICROSACCADES (MS)

Abstract: an eye sensor, system and method for measuring fixational eye movements of an individual's eyeball (e.g., ocular microtremors and microsaccades) to provide a variable voltage biosignal for measuring the individual's brain stem activity. the eye sensor comprises a sensor mounted on the individual's closed or opened eyelid so as to be deflected by the fixational eye movements of the eyeball. a shielded flexible ribbon assembly supplies the biosignal generated by the sensor to an amplifier located on the individual's skin where the biosignal is amplified. the amplifier is interconnected with a signal processor and a display by which graphical and numerical representations of the biosignal are made accessible to an anesthesiologist, intensivist or clinician. a method for analyzing the biosignal to determine the brainstem activity of a patient.

Inventor(s): Michael Baltay, Bruce Rasmussen, Yahya Shehabi, Ciaran Bolger, Martin Acquadro, Clark B. Foster

CPC Classification: A61B5/4821 ({Determining level or depth of anaesthesia ( takes precedence)})

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