Patent ID: 9192710
Filing Date: 2015-11-24
Classification: A61M

Abstract:
1. A multi-lumen catheter comprising: a catheter body disposed about a longitudinal axis, the catheter body comprising a first withdrawal lumen and a second withdrawal lumen each extending longitudinally within the catheter body, a plurality of withdrawal ports comprising a first withdrawal port in fluid communication with the first withdrawal lumen and a second withdrawal port in fluid communication with the second withdrawal lumen, an infusion lumen extending longitudinally within the catheter body, and at least one infusion port in fluid communication with the infusion lumen; and a manifold disposed at a proximal end of the catheter body and configured for merger of the first withdrawal lumen and the second withdrawal lumen, the manifold comprising an infusion conduit coupled to the infusion lumen and a withdrawal conduit coupled to each of the first withdrawal lumen and the second withdrawal lumen; wherein the infusion lumen is disposed about the longitudinal axis of the catheter body, and each of the first withdrawal lumen and the second withdrawal lumen is disposed within the catheter body adjacent to the infusion lumen; wherein at least one of the infusion conduit or the withdrawal conduit is in axial alignment with the longitudinal axis; and wherein a portion of at least one of the first withdrawal lumen or the second withdrawal lumen extends distally beyond the respective one of the first withdrawal port or the second withdrawal port, and the catheter further comprises a filler material disposed within the portion of the at least one of the first withdrawal lumen or the second withdrawal lumen.