Catheter guidewire with varying radiopacity
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United States of America Patent
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-
May 8, 1990
Grant Date -
N/A
app pub date -
Apr 27, 1989
filing date -
Apr 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A guidewire for use with a catheter has segments of varying radiopacity. The guidewire includes a coil assembly at its distal end, the coil assembly being formed from a highly radiopaque coil and a non-radiopaque coil, arranged in bifilar arrangement to define a moderate radiopacity section in which the radiopaque and non-radiopaque segment alternate and a highly radiopaque section composed solely of the highly radiopaque coil.
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