VASCULAR ACCESS SYSTEM AND METHOD OF USE

摘要

A vascular access system includes a catheter having an inner lumen in communication with an open distal end; a guidewire at least partially positioned in the catheter lumen and extending out the open distal end thereof, respective proximal and distal stops secured to the guidewire; and a centering device slidably mounted on the guidewire such that the centering device may freely within the catheter lumen relative to the guidewire between the proximal and distal stops, wherein the centering device substantially aligns a longitudinal axis of the catheter with a longitudinal axis of the guidewire proximate the centering device.

主权项

1. A vascular access system, comprising:
a catheter having an inner lumen in communication with an open distal end of the catheter; an elongate flexible navigational member at least partially positioned in the catheter lumen, with a distal end portion of the navigational member extending out the open distal end of the catheter, the navigational member and catheter being movable relative to each other; a proximal stop secured to the navigational member at a first location; a distal stop secured to the navigational member at a second location distal of the first location; and a centering device slidably mounted on the navigational member between the proximal and distal stops so that the centering device may move freely relative to the navigational member between the proximal and distal stops, wherein the centering device substantially aligns a longitudinal axis of the catheter with a longitudinal axis of the navigational member proximate the centering device.