St. Anne's University Hospital 1 article published in JoVE Medicine Fabrication of Small Caliber Stent-grafts Using Electrospinning and Balloon Expandable Bare Metal Stents Susheil Uthamaraj1, Brandon J. Tefft2, Soumen Jana2, Ota Hlinomaz3, Manju Kalra4, Amir Lerman2, Dan Dragomir-Daescu1,5, Gurpreet S. Sandhu2 1Division of Engineering, Mayo Clinic, 2Department of Cardiovascular Diseases, Mayo Clinic, 3 In the protocol, we present a method to manufacture a small caliber stent-graft by sandwiching a balloon expandable stent between two electrospun nanofibrous polyurethane layers.