Endoscopic medical treatment involving acoustic ablation
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United States of America Patent
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Dec 8, 2009
Grant Date -
Dec 16, 2004
app pub date -
Jun 14, 2004
filing date -
Jun 13, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, an endoscope has a proximal end portion opposite a distal end portion. A view port is included at the distal end portion to view an internal body region through a passageway of a patient's body. Also located at the distal end portion are one or more piezoelectric elements operable in one mode to determine position of the distal end portion relative to internal body region and operable in a second mode to ablate tissue of the internal body region. The endoscope carries a balloon positioned about the one or more piezoelectric elements to selectively hold the distal end portion in a desired position in the passageway.
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