ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,567, issued on Oct. 28, was assigned to ROEN SURGICAL INC. (Daejeon, South Korea).

"Stone removing apparatus and stone size measuring method" was invented by Byung Sik Chun (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a stone removing apparatus and a stone size measuring method, which can take a picture of a stone and measure the size of the stone in order to stably remove the stone without damaging a human body. The stone removing apparatus includes: an insertion tube having an inner space; a guide tube inserted into the inner space of the insertion tube to be moved; a wire inserted into the guide tube to...