Patents by Inventor Alexander A. Sapega

Alexander A. Sapega has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for reconstructive surgery
    Patent number: 4922897
    Abstract: A method and apparatus for the permanent surgical reconstruction of the anterior cruciate ligament in the human knee, which will stabilize the tibia and femur relative to each other and restore a full range of motion to the knee, by precisely locating the ends and angular relationship of a replacement ligament within the knee joint, at bone attachment sites such that the degree of shortening and lengthening experienced by the replacement ligament over the range of joint motion is either as close to zero (isometric) as possible, or closely matches that of the natural uninjured ligament (physometric), whichever the surgeon feels is most desirable.
    Type: Grant
    Filed: May 13, 1988
    Date of Patent: May 8, 1990
    Assignee: Temple University
    Inventors: Alexander A. Sapega, Ray A. Moyer, Donald Rose
  • Apparatus and method for reconstructive surgery
    Patent number: 4739751
    Abstract: A method and apparatus for the permanent surgical reconstruction of the anterior cruciate ligament in the human knee, which will stabilize the tibia and femur relative to each other and restore a full range of motion to the knee, by precisely locating the ends and angular relationship of a replacement ligament within the knee joint, at bone attachment sites such that the degree of shortening and lengthening experienced by the replacement ligament over the range of joint motion is either as close to zero (isometric) as possible, or closely matches that of the natural uninjured ligament (physometric), whichever the surgeon feels is most desirable.
    Type: Grant
    Filed: October 3, 1986
    Date of Patent: April 26, 1988
    Assignee: Temple University
    Inventors: Alexander A. Sapega, Ray A. Moyer, Donald Rose