Patent ID: 8192477

Claim:
A catheter system comprising: a stent; an elongate catheter shaft including a proximal region, a distal region and a longitudinal axis, the catheter shaft defining a primary guidewire lumen configured to receive a primary guidewire; a balloon disposed about a distal region of the catheter shaft, the balloon configured to receive said stent thereon, the elongate catheter shaft proximal to the balloon having a bend portion, the bend portion comprising at least one bend bent around the longitudinal axis defining a helical path; a side branch guidewire housing attached to the balloon, the side branch guidewire housing defining a side branch guidewire lumen, the side branch guidewire housing including a proximal end, wherein the proximal end of the side branch guidewire housing is positioned distal of the bend portion; and a side branch guidewire, the side branch guidewire configured to extend through the side branch guidewire lumen, wherein the side branch guidewire is bent around the longitudinal axis and is disposed around the elongate catheter shaft adjacent to the bend portion of the elongate catheter shaft; wherein the bend portion of the elongate catheter shaft and the bend in the side branch guidewire are configured such that when the elongate catheter shaft is advanced over the primary guidewire and the side branch guidewire, the primary and side branch guidewires may cross the elongate catheter shaft multiple times without becoming entangled.