ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,729, issued on June 24, was assigned to PATVJA ONE LLC (Eden Prairie, Minn.).
"Tissue engagement devices, systems, and methods" was invented by John J. Allen (Mendota Heights, Minn.) and Andreas C. Pfahnl (Eden Prairie, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Devices and related methods to engage tissue layers to access the space between the layers are provided. The access devices include engagement arms that can be deployed and retracted to easily engage the top tissue layer and allow it to be separated from the underlying layer. The engagement arms are coupled to an actuation rod that is in turn coupled to a switch or lever that allow...