Patent ID: 7811304

Claim:
A method of configuring a catheter assembly having a multi-lumen portion comprising a guide wire lumen and an inflation lumen having a rotatable seal rotatable about a longitudinal axis of said catheter assembly for use in an over-the-wire mode comprising: rotationally aligning a distal guide wire lumen portion of a guide wire lumen with a proximal guide wire lumen portion of said guide wire lumen by rotation of said distal guide wire lumen portion of said guide wire lumen with respect to said proximal guide wire lumen portion of said guide wire lumen by rotation of one with respect to the other about a longitudinal axis of said rotatable seal of said catheter assembly; and passing a guide wire through a distal end of said guide wire lumen, through said distal guide wire lumen portion and into and through said proximal guide wire lumen portion rotationally aligned therewith about a longitudinal axis of said catheter assembly.