US Patent Issued to INTEGRITY IMPLANTS on Aug. 19 for "Distributing graft material from an expandable cage" (California, Massachusetts Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,344, issued on Aug. 19, was assigned to INTEGRITY IMPLANTS INC. (Palm Beach Gardens, Fla.).

"Distributing graft material from an expandable cage" was invented by John To (Newark, Calif.), John J. Flynn (Walnut Creek, Calif.) and Paul J. Birkmeyer (Marshfield, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An expansion member for distributing graft material through a cage and into an intervertebral space is provided. The expansion member has a central beam with an entry port in fluid communication with an exit port for distribution of the graft material. The central beam is inserted into a cage having a reversible collapse from an expanded stat...