ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,268, issued on Jan. 13, was assigned to Advanced Medical Balloons GmbH (Germany).

"Catheter device for odor-reducing delivery and/or discharge of substances to/from the human or animal body" was invented by Fred Gobel (Speyer, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention describes a specific, multilayer tubular film for the manufacture of catheter devices that are usable in the most odor-neutral manner possible. The passage of substances through the film wall may be reduced or avoided by incorporating suitable barrier layers. The delivery of strong-smelling active substances and also the discharge of intensely odorous excreti...