Patent ID: 7311697
Filing Date: 2007-12-25
Classification: A61M

Abstract:
1. A central venous catheter comprising: a catheter body having a proximal end and a distal end, and having a plurality of lumens extending longitudinally therein; a first one of said lumens extending longitudinally through the catheter body from said proximal end to an exit port at said distal end; and a second one of said lumens extending longitudinally through the catheter body to a closed distal portion of said catheter body, said catheter body further including a sideport positioned along a length of said catheter body to establish communication between said second lumen and an area exterior to said catheter body; said second lumen comprising a dead space disposed between said sideport and said closed distal portion, and a flexible helical member having a proximal end and a distal end, said flexible helical member disposed within said dead space such that said proximal end is distal to said sideport.