ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,551, issued on May 27, was assigned to ERBE-USA Inc. (Marietta, Ga.).

"Apparatus for improved visualization for endoscopic procedures" was invented by Daniel G. Maurice (Monument Beach, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments described herein relate to a valve assembly for an endoscopic device and methods of using the same. The valve assembly can be disposed in a receptacle and operably coupled to a gas inlet port, a gas outlet port, a water inlet port, and a water outlet port. The valve assembly can include a valve stem defining a first channel, a second channel, a third channel, and a fourth channel fluidically coupled to ...