Patent ID: 9707072
Date: 2017-07-18
CPC Classifications: A61F,Y10T

Claim:
1. A method of temporarily reducing a diameter of at least a portion of a self-expanding stent graft, the stent graft having a proximal end and a distal end and comprising a biocompatible graft material tube and a plurality of longitudinally spaced apart self-expanding stents fastened thereto, including at least an end stent and a plurality of intermediate stents, the method comprising the steps of: a) securing a primary release wire longitudinally along the stent graft; b) securing a secondary release wire longitudinally along the stent graft; c) tying an end constraint arrangement comprising four loops of thread arranged into a first pair and a second pair, the first pair engaged with the primary release wire and the second pair engaged with the secondary release wire; and d) tying an intermediate constraint arrangement comprising two loops of thread arranged into a third pair, the third pair engaged with the primary release wire, the primary release wire deviates towards the secondary release wire.