ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,031, issued on Sept. 30, was assigned to Medos International Sarl (Le Locle, Switzerland).
"Expandable cage" was invented by Connor Engstrom (Hopkinton, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An intervertebral implant that iterates between collapsed and expanded configurations includes first and second plates spaced from one another along a first direction and defining bone-contacting surfaces facing away from each other along the first direction. An expansion assembly is positioned between the plates with respect to the first direction and includes a first support wedge that supports the first plate and defines a first ramp and a sec...