Integrated impedance matching layer to acoustic boundary problem

Surgery – Truss – Pad

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A61B 800

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054233194

ABSTRACT:
An ultrasonic probe for providing efficient and controlled acoustic coupling to a desired medium under examination by the probe. The ultrasonic probe of the present invention employs one or more ultrasonic transducers substantially surrounded by a fluid. The ultrasonic transducer is acoustically coupled to the fluid for transmitting the beam of acoustic signals therethrough. A housing that is acoustically coupled with the fluid substantially encloses the fluid and the transducer. The housing comprises a layer portion of a material contiguous with a bulk remainder portion of the material. Additionally, an impedance matching means is integral with the housing for controlling an acoustic impedance of the layer portion of the housing.

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