ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,396,714, issued on Aug. 26, was assigned to RAO MEDTECH LLC (Hidden Hills, Calif.).

"Self-retaining surgical retractor" was invented by Ramamohan Rao (Hidden Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-retaining surgical retractor assembly for use with a patient in a lithotomy position on a surgical table; the retractor assembly comprising a base plate positioned underneath the buttocks of a patient and base plate is held between the patient and a surface of the operating table or examination bed supporting the patient such that the retractor assembly is self-holding; self-stabilizing, and is able to maintain a fixed position rel...