ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,734, issued on June 24, was assigned to CHI MEI MEDICAL CENTER (Tainan, Taiwan).
"Vaginal dilator" was invented by Wei-Lun Cheng (Tainan, Taiwan), Ing-Luen Shyu (Tainan, Taiwan) and Chun-Pei Chiu (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a vaginal dilator including a spiral body and a control rod, wherein the spiral body includes a first surface, a second surface, a buckling edge, a fixing seat and a plurality of positioning seats. The buckling edge is adjacent to the first surface and the second surface. The fixing seat is arranged on a side of the first surface which is adjacent to the buckling edge. The...