Safety mechanism and method to prevent rotating imaging guide device from exiting a catheter
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United States of America Patent
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-
May 15, 2001
Grant Date -
N/A
app pub date -
Jan 13, 1999
filing date -
Jan 13, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides exemplary systems and methods to prevent rotation of an imaging device if the imaging device is advanced beyond a distal end of a catheter. In one exemplary embodiment, a catheter is provided which comprises a catheter body having a proximal end, a distal end and a lumen which terminates in an exit port at the distal end. The lumen is configured to receive a rotatable imaging device having an ultrasonic imaging element. An ultrasonically recognizable pattern is disposed proximally to or at the exit port. The pattern is adapted to reflect a signal from the imaging element to produce a unique detectable image which in turn is employed to stop rotation of the imaging device.
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