Method and apparatus for ultrafiltration utilizing a peripheral access dual lumen venous cannula
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United States of America Patent
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Nov 14, 2006
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N/A
app pub date -
Dec 2, 2003
filing date -
Dec 2, 2003
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Abstract
Method and apparatus for the extracorporeal treatment of blood by utilizing a peripherally inserted dual lumen catheter assembly for the continuous removal and return of blood for renal replacement treatment, in particularly, treatment of congestive heart failure and fluid overload by ultrafiltration. A catheter is inserted in a peripheral vein and maneuvered upward through the vascular system to access the reservoir of blood in the large or great veins for continuous blood withdrawal and treatment. Air-tight connectors are incorporated in the catheter assembly to overcome the untoward effects of negative pressure in blood withdrawal.
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