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What is Elgiloy is used in preparation of: and explain in detail?
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: Schwaz's principle of surgery 9th edition, chapter 23.