Catheter having shaft of varying stiffness
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United States of America Patent
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Feb 25, 1997
Issued Date -
N/A
app pub date -
Jan 30, 1996
filing date -
Mar 10, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A medical device such as a catheter is described having a stiff, preferably metallic, proximal tube. The distal portion of the proximal tube may have a plurality of perforations or slots formed therein to increase its flexibility. This provides a smooth transition between the relatively stiff proximal tube and a more flexible distal polymeric tube.
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