Patent ID: 8496607
Filing Date: 2013-07-30
Classification: A61M

Abstract:
1. A multi-lumen catheter for use in the extracorporeal treatment of bodily fluids with an extracorporeal treatment unit, comprising: a catheter body having a length disposed about a longitudinal axis, said catheter body having a plurality of withdrawal ports and at least one infusion port disposed along said catheter body length, said catheter body having first and second withdrawal lumens, each withdrawal lumen in fluid communication with at least one of said withdrawal ports, said catheter body configured such that the first and second withdrawal lumens merge along a portion of said catheter body proximal to said withdrawal ports for transport of bodily fluids withdrawn from a body vessel to said extracorporeal treatment unit, and an infusion lumen in fluid communication with the at least one infusion port, said infusion lumen extending longitudinally along said catheter body length for transport of treated fluids from said extracorporeal treatment unit into the body vessel through said at least one infusion port, wherein the infusion lumen is disposed substantially at the center of said catheter body about said longitudinal axis, said first withdrawal lumen extending longitudinally adjacent said infusion lumen along said catheter body length, and said second withdrawal lumen extending longitudinally adjacent said infusion lumen along said catheter body length, and wherein said catheter body comprises a manifold disposed at a proximal end of said catheter body and configured for merger of the first and second withdrawal lumens, and wherein the manifold comprises an infusion conduit coupled to the infusion lumen and in axial alignment with said longitudinal axis, and a withdrawal conduit coupled to each of the first and second withdrawal lumens and angled vertically away from said longitudinal axis.