3D ultrasound-based instrument for non-invasive measurement of amniotic fluid volume
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United States of America Patent
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Aug 8, 2006
Grant Date -
Jul 1, 2004
app pub date -
Nov 5, 2003
filing date -
Jun 7, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hand-held 3D ultrasound instrument is disclosed which is used to non-invasively and automatically measure amniotic fluid volume in the uterus requiring a minimum of operator intervention. Using a 2D image-processing algorithm, the instrument gives automatic feedback to the user about where to acquire the 3D image set. The user acquires one or more 3D data sets covering all of the amniotic fluid in the uterus and this data is then processed using an optimized 3D algorithm to output the total amniotic fluid volume corrected for any fetal head brain volume contributions.
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