Tracking tip for a short lumen rapid exchange catheter
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United States of America Patent
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Aug 22, 1995
Grant Date -
N/A
app pub date -
Feb 24, 1994
filing date -
Feb 24, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A catheter system includes a catheter sheath and a flexible working shaft within a working lumen of the sheath. The sheath includes a monorail-type guidewire lumen at its distal end, and a stiffening member is provided adjacent a side port of the monorail guidewire lumen to inhibit prolapse of the catheter as it is introduced past a bend or curve over a guidewire. In a first embodiment, the stiffening member may be secured directly within a working lumen of the catheter body. In a second embodiment, the stiffening member may be attached to a distal end of the working shaft, typically an imaging core.
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