Tissue separating catheter assembly and method
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United States of America Patent
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May 19, 2009
Issued Date -
N/A
app pub date -
Feb 25, 2003
filing date -
Feb 25, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tissue-separating catheter assembly comprises a rotatable shaft, having a distal shaft portion, and a tissue separator device extending along the shaft. The tissue separator device has a distal separator part at the distal shaft portion movable between a retracted state, towards the distal shaft portion, and an outwardly extending, operational state, away from the distal shaft portion. A pivot joint may be used to pivotally connect the distal separator end to the distal shaft portion. The distal shaft portion may comprise a distally-facing transition surface at a proximal end of the distal shaft portion. First and second energizable tissue separator elements may be used at the transition surface and the tip of the device, respectively.
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