Catheter having a plurality of integral radiopaque bands
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United States of America Patent
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Mar 14, 2000
Grant Date -
N/A
app pub date -
Dec 2, 1997
filing date -
Dec 2, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A tubular member for manufacture of medical devices insertable into body lumens. The tubular member includes an inner tubular member, and outer tubular member, and a lumen through the inner tubular member. The outer tubular member has a plurality of radiopaque segments formed of radiopaque material incorporated into the tube polymeric material. One tubular member has highly radiopaque segments separated by less radiopaque segments at intervals greater than the radiopaque segment length, such that the radiopaque segments serve as marker bands. Another tubular member has long radiopaque segments separated by less radiopaque segments at intervals less than the radiopaque segment length, such that the less radiopaque segments serve as marker bands. Marker bands can be located at either regular intervals to aid in measuring internal dimensions or at significant structural locations to aid in catheter positioning.
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