Surface coatings for catheters, direct contacting diagnostic and therapeutic devices
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United States of America Patent
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-
Mar 19, 2002
Issued Date -
N/A
app pub date -
Oct 26, 1999
filing date -
Oct 15, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for manufacturing a catheter assembly including a handle, a guide tube having a proximal end engaged with the handle, and a distal end assembly engaged with a distal end of the guide tube. The method includes applying an active electrode element on the distal end assembly by a process selected from the group consisting of electroplating, vapor deposition, IBAD and pad printing, and applying a regenerated cellulose coating over the distal end assembly. The regenerated cellulose coating is applied by applying a viscous liquid coating to the catheter distal end assembly, regenerating the viscous coating, and then curing the regenerated coating. The cured coating is preferably hydrated.
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