Catheter with a polyimide distal tip
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United States of America Patent
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Dec 27, 2005
Grant Date -
Mar 20, 2003
app pub date -
Sep 19, 2001
filing date -
Sep 19, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A catheter having an elongated shaft which has a multilayered distal tip with a first layer formed of a polyimide first material and a second layer formed of a polymeric second material. In one embodiment the multilayered distal tip is a separate member, distal to the distal end of a proximal portion of the shaft. In another embodiment, the shaft has an outer tubular member, and a multilayered inner tubular member with a distal end which forms the multilayered distal tip of the shaft. In a presently preferred embodiment, the polyimide material is a thermoset polyimide. In one embodiment, the polymeric second material is a polyamide material.
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