Oximeter probe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 28, 1996
Grant Date -
N/A
app pub date -
Mar 25, 1994
filing date -
Mar 26, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An oximeter probe to be wound on a fingertip of an object and used to measure the oxygen saturation of blood is completely shielded from electrical noises. The front face of an a flexible printed circuit board on which an a light-emitting device and a photodetective are mounted is covered by a conductive sheet having windows at the locations which correspond to the LED and the photodetector. The back face of the circuit board is covered by shield copper foil.
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