Rapid exchange interventional devices and methods
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United States of America Patent
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Jan 29, 2008
Grant Date -
Oct 6, 2005
app pub date -
Mar 30, 2004
filing date -
Mar 30, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
Wire-guided interventional devices and methods are provided which enable faster and easier catheter exchanges. The interventional devices include a catheter shaft and a guidewire tube wherein the catheter shaft and the guidewire tube each have a length sufficient to extend to the vascular penetration when the interventional device is positioned at the treatment site. In some embodiments, a collar is disposed around the catheter shaft and guidewire tube that automatically inserts or removes the guidewire from the guidewire tube or automatically collapses or extends the guidewire tube as the catheter is introduced or withdrawn.
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