A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
73/58, 326/12.4
A61B 5/00 (2006.01) A61M 16/04 (2006.01)
Patent
CA 1258384
64 ABSTRACT OF THE DISCLOSURE An apparatus for in-vivo measurement of blood oxygen levels in a patient is described. The apparatus comprises an elongate probe which is adapted to pass into the oesophagus of a patient, means associated with the probe to illuminate the internal surface of the oesophagus, means for observing light reflected from the internal surface of the oesophagus, and means for determining from the reflected light signal the degree of oxygenation of blood in the internal surface of the oesophagus.
485211
Evans John M.
Wise Colin C.
Evans John M.
Sim & Mcburney
Wise Colin C.
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