Interstitial ultrasonic disposable applicator and method for tissue thermal conformal volume ablation and monitoring the same
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United States of America
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Apr 27, 2021
Grant Date -
Feb 8, 2018
app pub date -
Oct 20, 2017
filing date -
Oct 20, 2017
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Abstract
An interstitial ultrasound thermal ablation applicator for conformal treatment of an inhomogeneous tumor lesion includes: a body having a longitudinal axis; and a plurality of array transducers mounted on the body, arranged side by side and having azimuth directions parallel to the longitudinal axis of the body, and having outer faces disposed in a polygonal arrangement; the plurality of array transducers having predetermined elevation dimensions defined for directing emitted ultrasonic energy to obtain a conformal volume treatment of the tumor lesions. An electronic driving method for driving an applicator having multiple independent transducer elements arranged in rows and columns includes: controlling focal parameters of each row and column of transducer elements; and controlling a contribution of each row and column of transducer elements in a manner to provide a conformal ablated volume.
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