ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,942, issued on Sept. 1, was assigned to Raydiant Oximetry Inc. (San Ramon, Calif.).

"Surgical drains and systems and methods for using same" was invented by Mark Andrew Rosen (Piedmont, Calif.), Russell DeLonzor (San Ramon, Calif.), Neil Padharia Ray (Sacramento, Calif.) and Jeffrey Hernandez (Livermore, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Surgical drains may include a tube, a drainage component, and an positioning mechanism positioned between them. The positioning mechanism may include a shaft configured to encircle a junction between the tube and the drainage component and a plurality of extensions that extend from the shaft. The...