Nasal septum probe for photoplethysmographic measurements

Details Nasal septum probe for photoplethysmographic measurements Nasal septum probe for photoplethysmographic measurements

1993-04-12

1994-08-09

Apley, Richard J.

Surgery

Truss

Pad

128664, 12820718, A61B 502

Patent

active

053356594

ABSTRACT:
The nasal septum probe of the present invention mounts the optical devices of a photoplethysmographic probe in a housing that clips onto the patient's nasal septum. The septum provides an arterial bed for monitoring purposes and this locus is not subject to significant patient motion or peripheral shutdown of arteriolar blood flow. Furthermore, one embodiment of the invention shows a combination of the photoplethysmographic apparatus with a nasal cannula to provide dual purpose apparatus to minimize the sensor and cable proliferation.

REFERENCES:
patent: 3359975 (1967-12-01), Sherman
patent: 3810460 (1974-05-01), Van Nie
patent: 4334544 (1982-06-01), Hill et al.
patent: 4800495 (1989-01-01), Smith
patent: 5086229 (1992-02-01), Rosenthal et al.
patent: 5113857 (1992-05-01), Dickerman et al.

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