Ultrasound device for axial ranging
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United States of America Patent
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Mar 8, 2005
Issued Date -
N/A
app pub date -
Oct 9, 1998
filing date -
May 7, 1997
priority date (Note) -
Expired
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Abstract
An apparatus for treatment of body tissue includes a treatment apparatus configured to be inserted into a patient. The treatment apparatus has a distal portion, a distal end, a proximal portion and an axis. An ultrasound transducer is positioned at the distal portion of the treatment apparatus. The ultrasound transducer includes a distal ultrasound energy delivery surface and a proximal ultrasound energy delivery surface. An ultrasound energy attenuator member is positioned adjacent to the proximal ultrasound energy delivery surface and is made of a material to at least partially attenuate ultrasound energy from the proximal ultrasound energy delivery surface.
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