Prosthetic joint
First Claim
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1. In a prosthetic hip joint, the improvement comprising:
- a preformed acetabular component comprising;
(1) a socket adapted for attachment to an acetabulum;
(2) a ball with a first attachment member, said ball rotatably positioned within and in direct contact with said socket and said first attachment member facing outward away from said socket; and
(3) a flexible joint capsule attached to said ball adjacent said first attachment member and to said socket, said capsule preventing debris from escaping from a joint between said ball and socket and preventing body debris from entering said joint.
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Abstract
A prefabricated joint is employed for the prosthetic joint. The joint includes prefabricated socket, ball, and capsule. The capsule is attached from the ball to the socket. The capsule seals the area between the ball and socket and prevents wear debris from entering the body cavity. In the case of the hip joint, the doctor need only attach the prefabricated unit to the femoral unit to connect the prosthetic joint after the prefabricated unit and femoral unit have been placed into the acetabular and femur, respectively.
62 Citations
16 Claims
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1. In a prosthetic hip joint, the improvement comprising:
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a preformed acetabular component comprising;
(1) a socket adapted for attachment to an acetabulum;
(2) a ball with a first attachment member, said ball rotatably positioned within and in direct contact with said socket and said first attachment member facing outward away from said socket; and
(3) a flexible joint capsule attached to said ball adjacent said first attachment member and to said socket, said capsule preventing debris from escaping from a joint between said ball and socket and preventing body debris from entering said joint. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification