ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,079, issued on Dec. 9, 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).
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 in a state where the cage has the lowest height, is height-adjustable in the inserted state, and can simplify a height adjustment mechanism, thus making it possible to replace cages having heights in a certain range by a single cage. Therefore, manufacturers can reduce product groups that need to be produced, and can also reduce product s...