ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,936, issued on July 29, was assigned to Stryker Corp. (Portage, Mich.).
"In-plane rotation cannula" was invented by Joseph L. Mark (Indianapolis) and Brian C. Dougherty (Terra Haute, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tissue cutting device is disclosed that allows for in-plane rotation of a distal end to avoid gross movements during surgical procedures. In one exemplary arrangement, the tissue cutting device comprises a housing, an outer cannula, and an inner cannula. The outer cannula is mounted for rotation to the handpiece. The inner cannula is mounted within the outer cannula and mounted for rotation with the outer cannula. Bo...