Patents Represented by Law Firm Prutsman, Kalb, Chilton & Alix
  • Hip joint prosthesis with a shaft to be fitted into the medullary canal of the femur
    Patent number: 4435854
    Abstract: A hip joint prosthetic device having a support shank to be fitted into the medullary canal of the femur and which, in its proximal region, has a curvature in the AP plane with a center of curvature at its anterior that makes the shank more compatible to naturally existing conditions of the femur, permits a substantial increase in the shank thickness, reduces shank tendency to turn within the medullary canal, simplifies the prosthesis operating procedures and improves the association of the shank with the trochanter region of the femur.
    Type: Grant
    Filed: March 26, 1981
    Date of Patent: March 13, 1984
    Assignee: Waldemar Link GmbH & Co.
    Inventor: Arnold Keller