US 11,918,498 B2
Internal iliac preservation devices and methods
Dale L. Ehnes, Forestville, CA (US); Mark Purter, Windsor, CA (US); Mark Geusen, Santa Rosa, CA (US); Kevin Knoll, Santa Rosa, CA (US); and Diego Aristizabal, Santa Rosa, CA (US)
Assigned to TriVascular, Inc., Santa Rosa, CA (US)
Filed by TriVascular, Inc., Santa Rosa, CA (US)
Filed on Jun. 14, 2021, as Appl. No. 17/347,206.
Application 17/347,206 is a continuation of application No. 15/965,649, filed on Apr. 27, 2018, granted, now 11,033,413.
Application 15/965,649 is a continuation of application No. 14/958,085, filed on Dec. 3, 2015, granted, now 9,956,101, issued on May 1, 2018.
Claims priority of provisional application 62/087,318, filed on Dec. 4, 2014.
Prior Publication US 2021/0298931 A1, Sep. 30, 2021
Int. Cl. A61F 2/954 (2013.01); A61F 2/82 (2013.01); A61F 2/966 (2013.01)
CPC A61F 2/954 (2013.01) [A61F 2/82 (2013.01); A61F 2/966 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of deploying a graft comprising:
providing a system comprising:
a catheter having a distal catheter portion and a proximal catheter portion;
a first guidewire extending through the catheter; and
a first outer sheath disposed over the first guidewire;
providing a delivery system within the first outer sheath, the delivery system comprising:
a second guidewire;
an expandable stent or stent-graft disposed over a lumen of the second guidewire; and
a second outer sheath over the expandable stent or stent-graft;
placing the catheter superior to a vasculature bifurcation;
retracting the first outer sheath and cannulating a branch of the bifurcation with the second guidewire, such that the catheter is in the first bifurcation branch and the second guidewire is in the second bifurcation branch; and
retracting the second outer sheath to expand and deploy the expandable stent or stent-graft.