ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,047, issued on Oct. 7, was assigned to Medtronic Inc. (Minneapolis).

"Titanium alloy contact ring element having low modulus and large elastic elongation" was invented by Bernard Q. Li (Plymouth, Minn.), Alan Shi (Plymouth, Minn.), Daniel S. Sorensen (Blaine, Minn.), Darren A. Janzig (Center City, Minn.) and Margaret Bush (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a medical device contact element includes annealing an elongated rod of Ti-15Mo alloy material to form an annealed rod having a Young's Modulus of less than 13.5 Mpsi and an elastic range or strain of at least 0.7%. Then forming a contact ring element fr...