Ultrasound catheter apparatus
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United States of America Patent
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Nov 24, 2009
Grant Date -
Nov 3, 2005
app pub date -
Jul 11, 2005
filing date -
Feb 26, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Ultrasound catheter devices and methods of the present invention generally provide for ablation and/or disruption of vascular occlusions. An ultrasound transmission member, such as a wire, transmits vibrational energy from an ultrasound transducer to a distal head of the catheter to disrupt vascular occlusions. At least one absorber member is disposed on or around the ultrasound transmission wire at a location adjacent the sonic connector of the catheter. The absorber member absorbs heat, vibrations, and/or the like from the ultrasound transmission wire at or near the area where the transmission wire is coupled with the sonic connector. The absorptive function typically slows the process of wear and tear on the transmission wire, thus extending the useful life of the ultrasound catheter.
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