ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,652, issued on June 17, was assigned to Integrity Implants Inc. (Palm Beach Gardens, Fla.).
"Expandable fusion device with independent expansion systems" was invented by Eugene Shoshtaev (Del Mar, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A variety of expandable cage improvements are provided. The cages can have a width expansion assembly that operates independently of a height expansion assembly and the wedges and ramps do not need to make contact with each other. Wedges, or movable spacers with pivotal link connections, can be used, and any portion of the cage can be expanded in width or in height in an amount that differs from other p...