Urinary catheter and method with increased resistance to obstructions
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United States of America Patent
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app pub date -
Aug 18, 2004
filing date -
Sep 17, 2003
priority date (Note) -
Abandoned
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Abstract
A catheter for draining urine from a bladder is made more resistant obstructions and blood clot accumulations by configurations of urine inlet openings into an interior urine drainage passageway. The inlet opening configurations include a whistle tip, a multiple opening tip, a couvelaire tip, and a beveled tip with a direct opening into the passageway. A low friction coating also resists blood clot accumulation. A single-use or multiple-use clearing device moves within the interior drainage passageway to contact, disintegrate, and facilitate movement of the accumulated clots and obstructions out of the urine inlet opening and interior passageway.
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