FOCUSED ROTATIONAL IVUS TRANSDUCER USING SINGLE CRYSTAL COMPOSITE MATERIAL
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United States of America Patent
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Issued Date -
Aug 11, 2016
app pub date -
Apr 20, 2016
filing date -
Dec 21, 2012
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Abstract
An ultrasound transducer for use in intra-vascular ultrasound (IVUS) imaging systems including a single crystal composite (SCC) layer is provided. The transducer has a front electrode on a side of the SCC layer; and a back electrode on the opposite side of the SCC layer. The SCC layer may have a dish shape including pillars made of a single crystal piezo-electric material embedded in a polymer matrix. Also provided is an ultrasound transducer as above, with the back electrode split into two electrodes electrically decoupled from one another. A method of forming an ultrasound transducer as above is also provided. An IVUS imaging system is provided, including an ultrasound transducer rotationally disposed within an elongate member; an actuator; and a control system controlling activation of the ultrasound transducer to facilitate imaging.
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