Process for manufacturing catheters
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United States of America Patent
Stats
-
Feb 27, 1990
Grant Date -
N/A
app pub date -
Aug 12, 1988
filing date -
Aug 12, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of manufacturing soft tip catheters having inner rigid polymer layers and outer soft, pliable polymer layers. The method involves first extruding the rigid polymer at varying extrusion rates to form a cylindrical body having a depression at one or more prescribed locations. The outer layer is formed by extruding the soft, pliable polymer over the inner to fill in the depressions. The resulting cylindrical body is then cut to form individual catheters having soft tip as defined by a portion of the prescribed locations.
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Family
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