Ultrasonic therapy apparatus
Patent 4986275 Issued on January 22, 1991. Estimated Expiration Date: 
August 9, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 9, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesUltrasonic diagnostic and therapeutic transducer assembly and method for using Ultrasonic scanner and shock wave generator Ultrasound therapy apparatus Patent #: 4787394 InventorsApplicationNo. 391402 filed on 08/09/1989US Classes:600/439, With therapeutic device601/3HyperthermiaExaminersPrimary: Cohen, Lee S.Attorney, Agent or FirmForeign Patent References
International ClassesA61B 008/14A61B 017/22 Foreign Application Priority Data1987-08-05 JPAbstractAn ultrasonic therapy apparatus includes a treating ultrasonic transducer, a driving section, an imaging ultrasonic transducer, a tomographic image forming section, and a position control section. The treating transducer is driven by the driving section, and generates a treating ultrasonic wave focused at a predetermined focal point in a body of an object to be examined. The imaging ultrasonic transducer is movably arranged, and transmits and receives an imaging ultrasonic wave for obtaining a tomographic image of the object to be examined. The tomographic image forming section drives the imaging transducer to transmit the imaging ultrasonic wave, and forms the tomographic image of the object to be examined based on an ultrasonic echo signal received by the imaging transducer. The position control section controls the position of the imaging ultrasonic transducer within a predetermined range along a line connecting a central point of the treating ultrasonic transducer and the focal point of the treating ultrasonic wave.Other References
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