Method for determining the perfusion
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United States of America Patent
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Sep 19, 1989
Grant Date -
N/A
app pub date -
Aug 13, 1987
filing date -
Jun 3, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method is proposed for determining the perfusion by evaluation of the light emitted by at least one light source and influenced by the arterial blood, by use of optical measuring means which measure the intensity variation as a consequence of the variation in arterial blood volume. According to this method, the perfusion is either displayed as variation in thickness from the sum of the parallel tissue enlargements d or as normalized volume. The perfusion is derived by one or more measurements of light intensity. According to the invention, for the first time a method for determining perfusion as a quantitative value is provided.
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