ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,121, issued on Feb. 24, was assigned to VB Spine US Opco LLC (Leesburg, Va.).
"Expanders for rod retraction" was invented by Andrew Edward Ehlers (Monroe, N.Y.), Steven F. Krause (Oakland, N.J.), Charles L. Bush Jr. (Wayne, N.J.), Sundas Baig (Dumont, N.J.), Spencer Popejoy (Ringwood, N.J.) and Matthew G. Baynham (Tequesta, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, an expander set includes a first and second expander. The first expander includes an outer surface having a first engagement feature and a groove and the second expander includes an inside surface having a second engagement feature adapted to engage with the f...