Catheter shaft

摘要

The present invention relates to a catheter shaft comprising an outer tubular member having a first lumen extending therethrough; an inner tubular member extending through at least a portion of the first lumen, defining an annular lumen between the outer tubular member and the inner tubular member, the inner tubular member defining a second lumen extending longitudinally therethrough; and a strain relief member on the inner shaft member at a transition in flexibility of the catheter shaft. <IMAGE>