Total prosthesis of the hip
Patent 4051559 Issued on October 4, 1977. Estimated Expiration Date: 
October 4, 1994. 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.
October 4, 1994. 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 References 2627855 3067740 3781918 3818512 3863273 3894297 3903549 3924275 Femoral insert for hip joint prosthesis Surgical implant and method for its production Patent #: 3987499 InventorAssigneeApplicationNo. 719391 filed on 09/01/1976US Classes:623/22.46Including protruding means projects into a bore in femoral stem or neckExaminersPrimary: Frinks, Ronald L.Attorney, Agent or FirmInternational ClassA61F 001/24Foreign Application Priority Data1974-12-27 FRAbstractA total prosthesis of the hip has a cotyloid portion to be inserted in the hip bone and a cephalic portion to be inserted in the femur, the cephalic portion fitting into the cotyloid portion, and the cephalic portion has a cylindrical helically threaded femoral shank portion to be screwed into the femur and a flat abutment surface perpendicular to the axis of the threaded portion for abutment against a correspondingly prepared surface of the bone. | |
