US Patent Issued to INS ORTHO on April 22 for "Dynamic ligament repair device" (Tennessee Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,279,945, issued on April 22, was assigned to INS ORTHO INC. (Providence, R.I.).

"Dynamic ligament repair device" was invented by Christian N. Anderson (Nashville, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dynamic ligament repair device includes a suture, a femoral side suture anchor and a threaded screw or housing implant. The screw is configured for placement in the tibia, or alternatively in the femur. A spring is housed inside an axial bore in the threaded screw. In some embodiments, the spring is a compression spring. A moveable spring button is positioned inside the axial bore adjacent a distal end of the spring. The spring button engag...