Apparatus for delivering high intensity focused ultrasound energy to a treatment site internal to a patient's body
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United States of America Patent
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Nov 15, 2011
Grant Date -
Apr 2, 2009
app pub date -
Dec 11, 2008
filing date -
Jan 13, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for delivering HIFU energy may include a probe with a plurality of leaves that provide a bowl-shaped HIFU therapy transducer. In once case, pins may slide within grooves in the leaves to deploy the leaves. In another case, spines may be configured to slide in a channel defined in each leaf. In other cases, a spring or a shape memory alloy may be used to deploy the leaves. In another implementation, a probe may be fitted with a flexible material that couples the HIFU therapy transducer to the probe and allows the transducer to be drawn to the side of the probe for insertion. In another implementation, a probe may have one or more inflatable bladders that form the HIFU therapy transducer. In yet another implementation, a probe may have an imaging component and a HIFU therapy transducer disposed thereon that rotate, as a unit, about a hinge.
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