Apparatus for improved pulse oximetry measurement
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United States of America Patent
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Mar 16, 2010
Grant Date -
Jun 15, 2006
app pub date -
Nov 7, 2005
filing date -
Nov 5, 2004
priority date (Note) -
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Abstract
An apparatus for measuring the blood oxygen level of a patient is disclosed. In one embodiment, the apparatus includes a housing having an interior surface of non-reflective material substantially surrounding an interior. A cooperating light source and detector are operatively positioned proximate the interior surface so as to emit and receive light projected within the interior of the housing. A material more conducive to light transmission, reflectance, or a combination thereof—as compared to the interior surface material—is positioned proximate the light source and/or detector.
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