Selective surface modification of catheter tubing
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United States of America Patent
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May 31, 2011
Grant Date -
May 18, 2006
app pub date -
Nov 12, 2004
filing date -
Nov 12, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A catheter shaft and methods for making and using the same. The catheter shaft may include a core portion, a cap portion, and one or more lumens. The cap portion may be disposed on or over a section of the core portion and define a region with a different exterior or interior surface characteristic. For example, the cap portion may define a lubricious region along the catheter shaft. Manufacturing the catheter shaft may include a modified co-extrusion process that incorporates a flow valve on at least one of the material supply lines so that the supply line can be regulated by a user.
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Family
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