Catheter having a core wire and a low profile bond
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United States of America Patent
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-
Sep 18, 2012
Grant Date -
Jun 25, 2009
app pub date -
Dec 19, 2008
filing date -
Dec 20, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A catheter having a shaft that has at least two spaced-apart lumens is disclosed. A retractable core wire is disposed within at least one of the lumens. The retractable core wire is manipulated by the user to impart variable stiffness to the shaft as the core wire is retracted and extended within the lumen. A catheter having substantially low profile bonds at the junctions where an inflatable balloon is attached to the catheter is also disclosed. The low profile bonds are created by recesses extending around the circumference of the distal end of the shaft, the proximal and distal ends of a stem, and the proximal end of a tip. The catheter having the low profile bond optionally has either a retractable or an embedded core wire. In examples, the catheter has at least one component formed from, co-extruded with, or coated with a lubricious material or a hydrophilic material.
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