Importance

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Abstract

An improved noninvasive, electrooptical sensor probe is suitable for removable attachment to the skin of a patient to measure light extinction during transillumination of the blood-perfused tissue beneath the skin. According to the preferred embodiment of the probe, the probe has a unitary chassis having two widened ends connected by a flexible bridge. The topside of each widened end has a concave finger location saddle. The underside of the chassis has a cavity to receive an electrical sensor assembly including a light source and a photosensor. The probe further includes a foam backing having a front end connected to a back end by a neck, and two wings which extend laterally from opposing sides of the back end. The foam backing has an adhesive topside, which is bonded to the underside of the chassis to capture the electrical sensor assembly in the cavity of the chassis. Removable release tabs cover the adhesive topside of the wings prior to the application of the probe to a patient.

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First Claim