A medical shaft or tubing includes an elongate tubular member having a proximal end and a distal end. The shaft also includes a tubular wall extending between the proximal and distal ends to define a first lumen. The elongated tubular member further comprises a second lumen extending through at least a portion of the tubular member. The tubular wall additionally includes a reinforcing element that surrounds at least a portion of the first lumen and that surrounds and overlaps at least a portion of the second lumen.