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Probe Follower for Moving Blood VesselsProbes track vessel expansion and contraction with minimal perturbation. Nozzle back-pressure changes at cuff on blood vessel basis for monitoring position of probe in blood vessel. Fluidic amplifiers use signals to control three-axis servo that centers measuring probe between sensing-nozzle pairs at cuff.
Document ID
19840000321
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Frazer, R. E. (CALTECH)
Andrews, T. W. (CALTECH)
Date Acquired
August 12, 2013
Publication Date
April 1, 1985
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 4
ISSN: 0145-319X
Subject Category
Life Sciences
Report/Patent Number
NPO-15898
Accession Number
84B10321
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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