Importance

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Abstract

An ultrasound therapy system comprises an annular array ultrasound transducer, a mechanical driver, a transmitter/receiver, and a controller. The controller includes an imaging controller, a heating controller, and a select controller. The mechanical driver mechanically drives the transducer to change at least one of the position and direction of ultrasound beams transmitted and received by the transducer. The transmitter/receiver may supply drive signals to the respective elements of the transducer, and receive the ultrasound echo signals from the elements. The imaging controller gives a first drive command to the transmitter/receiver, and at the same time drives the mechanical driver, radiates scanning ultrasound beams for tomographing through the transducer, and obtains a tomogram of a target portion in a patient from the echo signal derived from the transmitter/receiver. The heating controller drives the transmitter/receiver by a second drive signal to cause the transducer to radiate heating ultrasound beams. The heating ultrasound beams heat the target. These imaging and heating controllers are selectively activated by the select controller.

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First Claim