Catheter having highly radiopaque, flexible tip
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United States of America Patent
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-
Sep 3, 1991
Grant Date -
N/A
app pub date -
Jun 13, 1989
filing date -
Jun 13, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible plastic catheter defines a flexible, distal tip. In accordance with this invention, the distal tip comprises a plastic formulation containing sufficient radiopaque agent to be substantially more radiopaque and preferably softer than portions of the catheter proximal to the tip. Thus, the distal tip area of the catheter can be flexible to avoid possible tissue damage as the catheter is advanced, but is still readily visible by x-ray. At the same time, the majority of the catheter may be of normal flexibility and strength.
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