ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,287, issued on April 14, was assigned to HUNAN VATHIN MEDICAL INSTRUMENT Co. LTD. (Xiangtan, China).
"Self-locking device of endoscope" was invented by Wenjun Mo (Xiangtan, China), Peng Tang (Xiangtan, China) and Guanhua Zhou (Xiangtan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A self-locking device of an endoscope includes a connecting assembly and a fitting assembly. The connecting assembly includes a driven gear and a toggle lever, and the driven gear and the toggle lever are fitted with each other through pins. The fitting assembly includes a driving gear, and the driving gear is engaged with the driven gear through the toggle lever....