Variable curve catheter
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United States of America Patent
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Apr 5, 2011
Grant Date -
Jun 29, 2006
app pub date -
Nov 14, 2003
filing date -
Nov 15, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a deflectable tip guiding device, such as a catheter, that enables a physician, or other health care personnel, to vary the radius of curvature of the tip of the device. In one embodiment, a guiding device includes an elongate body and a deflectable distal tip. An elongate stiffener tube is coupled to the body for longitudinal movement relative thereto and has a distal end spaced a variable distance from the distal end of the tip, thereby serving as a fulcrum for the tip. Longitudinal movement of the stiffener tube relative to the body varies the distance between the distal ends of the tip and tube, which in turn causes a corresponding increase or decrease in the radius of curvature of the tip.
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