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Ultrasonic Imaging Of Deep ArteriesSwept-frequency sound replaces pulsed sound. Ultrasonic medical instrument produces images of peripheral and coronary arteries with resolutions higher and at depths greater than attainable by previous ultrasonic systems. Time-delay-spectrometry imager includes scanning, image-processing, and displaying equipment. It sweeps in frequency from 0 to 10 MHz in 20 ms, pauses for 5 ms, and repeats sweep. Intended for use in noninvasive detection and measurement of atherosclerotic lesions.
Document ID
19900000518
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Rooney, James A.
(Caltech)
Heyser, Richard C.
(Caltech)
Lecroissette, Dennis H.
(Caltech)
Date Acquired
August 14, 2013
Publication Date
October 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 10
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
NPO-17439
Accession Number
90B10518
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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