Method and device for non-invasive in vivo determination of blood constituents
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United States of America Patent
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Sep 4, 2001
Grant Date -
N/A
app pub date -
Sep 27, 1999
filing date -
Mar 25, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The body part under examination has its thickness modulated by mechanical influence with at least two pressure modulation frequencies. At least four measured signals that are dependent both on the influence of the light as well as on the mechanical thickness change are acquired by irradiating the body part with light.
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