ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,386, issued on Dec. 16, was assigned to LivaNova Deutschland GmbH (Munich).

"Optical level control system" was invented by Olivier Wolfgramm (Munich), Michael Bonczar (Ampfing, Germany) and Marco Zanasi (Bologna, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A perfusion system includes a fluid reservoir configured to hold a portion of fluid, the portion of fluid having a volume, the fluid reservoir having a total capacity that is greater than the volume; an imaging device, the imaging device configured to obtain image data corresponding to the fluid reservoir; and a controller. The controller is configured to receive the image data from the i...