Ligament reconstruction graft anchor apparatus
March 21, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesProsthetic ligament Deformable high energy storage tension spring Fixation device for a ligament or tendon prosthesis Suture anchor system Phase-adjustable coaxial cable connector Prosthetic ligament connection assembly Ligament attachment method and apparatus Anterior cruciate ligament prosthesis Ligament anchor system Pedicle screw InventorsAssigneeApplicationNo. 672893 filed on 03/21/1991US Classes:623/13.14, Including ligament anchor means606/73Threaded fastener elementExaminersPrimary: Shay, Randy C.Attorney, Agent or FirmInternational ClassA61F 002/08AbstractA ligament graft replacement system (10) having an anchor assembly (16) on one end. The anchor assembly (16) includes an insert member (18), a threaded sleeve (22) and a rotatable ring (20) to which the graft (24) is attached. A harvested or synthetic graft (24) used as a replacement for a torn ligament or tendon is secured to the rotatable ring (20) by sutures (46) and the anchor assembly (16) is screwed into a tunnel (26) drilled in a bone or bone-like structure. The anchor assembly (16) includes a hexagonal opening (36) through its length for receiving a hex driver (48) in its trailing end (36) or its leading end (34). The anchor assembly (16) also preferably has a self-tapping thread (30) on its outer surface. The rotatable ring (20) is secured over annular flange (40) at the trailing end of the threaded sleeve (22) and has a plurality of openings or slots (50 ) to which the sutures (46) are attached. | |
