Blood treatment catheter assembly
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United States of America Patent
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Nov 22, 2005
Grant Date -
May 20, 2004
app pub date -
Dec 27, 2002
filing date -
Nov 20, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A blood treatment catheter pre-assembled with a stiffening tube is provided. The catheter includes a withdrawal lumen and a supply lumen each having distal split tube unjoined segments and an intermediate joined segment. The split tube segment of the supply lumen is provided with a sidewall aperture. The stiffening tube extends through the withdrawal split tip tube, out the distal end of the withdrawal tube, through the aperture of the supply split tip tube and through the split tip supply tube distal of the aperture, out the distal end of the split tip supply tube. When the stiffening tube is positioned inside the catheter, the aperture is adjacent to the withdrawal tube distal opening so as to minimize stiffening tube exposure and to provide a smooth exterior profile.
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