Patent ID: 8361134
Filing Date: 2013-01-29
Classification: A61F

Abstract:
1. A deployment system for a stent graft to be deployed into an internal lumen of a patient, the stent graft comprising a tubular body of biocompatible graft material and a plurality of self expanding stents therealong, and a side arm extending from the stent graft, the deployment system comprising in combination an introducer and the stent graft retained on the introducer, a catheter associated with the introducer extending through at least a portion of the stent graft, an auxiliary catheter extending through the side arm, the side arm comprising diameter reducing ties with an associated trigger wire and trigger wire release mechanism, the diameter reducing ties being used to hold the least a portion of the side arm in a diameter reduced condition to the auxiliary catheter against the force of self expanding stents, the auxiliary catheter comprising a bulge where it passes through the least a portion of the side arm with at least one diameter reducing tie on each side of and directly adjacent the bulge, whereby the bulge and the diameter reducing ties together are figured to prevent relative movement of the side arm with respect to the auxiliary catheter.