ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,306, issued on June 3, was assigned to L&K BIOMED Co. LTD. (Yongin-si, South Korea).
"Height-adjustable spinal fusion cage" was invented by Gook Jin Kang (Seoul, South Korea) and Youngbo Ahn (Irvine, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a spinal fusion cage which is inserted between vertebral bodies with the lowest height and is height-adjustable in the inserted state, whereby cages having heights within a predetermined range can be replaced by a single cage. Therefore, manufacturers can reduce product groups that need to be produced, and can also reduce product stock. Further, in contrast to the conv...