<prompt> Elgiloy is used in preparation of:Vascular stentMeshBone platesAll of the above  <response>: Self-expanding stents are deployed by retracting a restraining sheath. They usually consist of Elgiloy a cobalt, chromium, nickel alloy or nitinol a shape memory alloy composed of nickel and titanium, the latter of which will contract and assume a heat-treated shape above a transition temperature that depends upon the composition of the alloy. Ref: Schwazs principle of surgery 9th edition, chapter 23. 