ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,684, issued on May 27, was assigned to Virtuoso Surgical Inc. (Nashville, Tenn.).

"Insertion methods for robotic surgical devices" was invented by Richard Hendrick (Nashville, Tenn.), Neal Dillon (Nashville, Tenn.) and Evan Blum (Nashville, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An insertable robot for minimally invasive surgery includes a tube array having a guide tube housed within a straightening tube. The guide tube includes a curved working end. The guide tube may be axially translated and rotated relative to the straightening tube such that the curved working end is constrained inside the straightening tube, causing the curved wo...