Patent ID: 7815626
Filing Date: 2010-10-19
Classification: A61B,A61M,Y10T

Abstract:
1. A catheter comprising an elongate tubular member having a proximal end, a distal end, and a passageway defining a lumen extending between those ends, said elongate tubular member comprising: a relatively stiff proximal segment including an inner proximal liner, an outer proximal cover, and a braid interposed between the inner proximal liner and the outer proximal cover; and a relatively flexible distal segment comprising a knit tubular member and an inner tubular liner in coaxial relationship with the knit tubular member, wherein the knit tubular member is formed from a single strand, wherein the single strand forms a plurality of up loops and a plurality of down loops, wherein the plurality of up loops of the single strand interlock with the plurality of down loops of the single strand; wherein the knit tubular member is generally not radially expandable.