Pulse oximeter sensor with widened metal strip
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United States of America Patent
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-
Feb 17, 2004
Grant Date -
Mar 28, 2002
app pub date -
Nov 15, 2001
filing date -
Nov 22, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A pulse oximeter sensor having an opaque, metalized layer to shield from ambient light. The metalized layer surrounds the area of the light detector. In one embodiment, the sensor has a transparent portion, with the opaque, metalized layer covering only the portions around the light detector and other areas, such as a strip extending between the light detector and the emitter. In a preferred embodiment, the opaque, metalized layer is a strip which has a widened portion in the area around the light detector.
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