Catheter with selectively rigidified portion
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United States of America Patent
Stats
-
Sep 27, 1988
Issued Date -
N/A
app pub date -
Feb 21, 1984
filing date -
Dec 31, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A catheter having a relatively soft body formed of a hydrophobic elastomer and a tip portion coated with a water insoluble hydrophilic polymer grafted thereto to impart, in the dry state, rigidity to the tip portion. In use the hydrophilic coating absorbs or adsorbs water with resultant softening of the coating so as to render the tip portion soft. A method of facilitating placement of a catheter utilizing a transitorily rigidified tip portion is taught.
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Cited Art Landscape
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