ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,233, issued on June 23.
"Intervertebral disk prosthesis" was invented by Thierry Marnay (Montpellier, France) and Erick Cloix (Cap Ferret, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Intervertebral disk prosthesis comprising an external waterproof multilayered deformable casing surrounding a peripheral partition membrane delimiting an outer space and an inner cavity, wherein the inner cavity is partitioned by vertical walls delimiting at least four cavity compartments configured to be filled with a non-toxic saline solution, and wherein the vertical walls comprise orifices and/or porous membranes configured to induce the saline solution to...