Ultrasound imaging using apparent point-source transmit transducer
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United States of America Patent
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Feb 6, 2018
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May 15, 2014
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Sep 13, 2013
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Abstract
An apparent point-source transmit transducers comprises a substantially constant-thickness shell of piezoelectric material in a shape of a spherical-section. Such transducers may be sized such that a single apparent point-source transmit transducer may produce ultrasound waveforms with substantial energy in a medium to be imaged. Use of such transducers in three-dimensional ping-based imaging may permit deeper and higher quality imaging than may be possible with conventional transducers.
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