ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,412, issued on Nov. 11, was assigned to Nuvasive Inc. (San Diego).

"Systems and methods for distraction" was invented by Ricky Trieu Quach (Irvine, Calif.), Arvin Chang (Yorba Linda, Calif.), Alan J. Arena (Chino, Calif.), Adam G. Beckett (Mission Viejo, Calif.) and Mark T. Dahl (South Afton, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for moving a portion of a patient's body including a housing having a first cavity extending along a longitudinal axis, a first distraction rod having a proximal end and a distal end, the first distraction rod and the housing being telescopically displaceable with respect to each other along the long...