ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,727,869, issued on Sept. 8, was assigned to ENDOVISION Co. LTD. (Daegu, South Korea).
"Retractor for spinal surgery" was invented by Min Ho Jung (Daegu, South Korea) and Sae Won Eum (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a retractor for spinal surgery, wherein the retractor is intended to secure and maintain a surgery hole during minimally invasive surgery (MIS) for spinal diseases. The retractor is characterized by comprising: a main body fastened to a surgery hole to maintain the surgery hole; an elastic means which provides the main body with a retraction force for maintaining the surgery h...