Biological pressure transducer zeroing and levelling reference apparatus
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United States of America Patent
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Apr 14, 1992
Grant Date -
N/A
app pub date -
Oct 11, 1990
filing date -
Oct 11, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A medical pressure measurement device which employs a reference transducer linked to an atmospheric pressure sensitive device while also connected in immediate proximity to a single or several pressure measurement transducers which allows for automatic correction for hydrostatic transducer height difference from patient point to reference (usually some point on the patient's external anatomy equivalent in vertical height to the right atrium of the heart) to transducer position; while providing a constant zero pressure reference, i.e., ambient atmospheric pressure to the monitoring device via said reference transducer system.
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