ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,137, issued on June 23.
"Umbrella catheter device" was invented by Rishi Razdan (Jacksonville, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter device includes an inner tube, an outer tube disposed around the inner tube, a capturing tool connected to a distal end of the inner tube and having a mesh adapted to capture an object within a body passage, a handle connected to a proximal section of the inner tube and configured to retract the outer tube in a proximal direction relative to the inner tube to expose the capturing tool, and a driver connecting the capturing tool to the handle and configured to transmit a force from the handle to...