Noninvasive oximeter probe

Details Noninvasive oximeter probe Noninvasive oximeter probe

1991-08-22

1993-06-08

Kamm, William E.

Surgery

Truss

Pad

356 41, A61B 500

Patent

active

052170128

ABSTRACT:
An improved noninvasive, electrooptical sensor probe is suitable for removable adhesive attachment to the skin of a patient to measure light extinction during transillumination of the blood-perfused tissue beneath the skin. The probe has a flexible generally U-shaped, web-like support structure having spaced, opposed upper and lower inner surfaces. A light source such as an LED is mounted in the support structure and positioned to emit light from one of the inner surfaces. A photosensor is also mounted in the support structure and positioned on the other of the inner surfaces to detect light emitted by the light source. A U-shaped alignment member is disposed in the support structure and extends substantially from the light source to the photosensor to hold the probe into the desired shape for use and aid in aligning the LED and photosensor.

REFERENCES:
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patent: 4091803 (1978-05-01), Pinder
patent: 4350165 (1982-09-01), Striese
patent: 4830014 (1989-05-01), Goodman et al.
patent: 4867165 (1989-09-01), Noller et al.
patent: 4928691 (1990-05-01), Nicolson et al.
patent: 5054488 (1991-10-01), Muz
patent: 5058588 (1991-10-01), Kaestle

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