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Abstract

An acoustic medical treatment apparatus using electroacoustic transducer elements. The apparatus includes a concave transducer for causing divided partial transducers to generate strong ultrasonic waves on a living body and detecting ultrasonic waves reflected by the living body, pulsers arranged in correspondence with the partial transducers for driving them, a controller for controlling the pulsers to cause the concave transducer to emit the strong ultrasonic waves or weak ultrasonic waves, a reception system for receiving reflected ultrasonic waves, which propagate in ultrasonic wave propagation paths between the partial transducers and an object to be irradiated in the living body, through the respective partial transducers, when weak ultrasonic waves are emitted from the concave transducer under the control of the controller, and processes the respective reception signals, and a monitor for displaying information of the ultrasonic propagation paths by using each processed signal obtained by the reception system.

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