Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1985-08-22
1987-07-07
Apley, Richard J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 23, 128 92VD, A61F 228
Patent
active
046784713
ABSTRACT:
An apparatus and method for making one or more grooves in the medullary canal surface of a bone to secure and reduce the risk of rotational failure of implanted orthopedic endoprostheses. The apparatus includes a head and, attached thereto, a body adapted for insertion into the medullary canal of a bone. The apparatus also includes a channel therethrough that is enclosed in the head and open in the body. One or more grooves is made in the medullary canal surface of a bone by placing the body of the apparatus in the medullary canal, inserting a cutting device in the channel, and then using the cutting device to remove an amount of bone tissue sufficient to form a groove or grooves. The risk of rotational failure of implanted orthopedic endoprostheses is reduced by implanting prostheses that engage and are secured in place by the groove or grooves.
REFERENCES:
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patent: 4012796 (1977-03-01), Weisman et al.
patent: 4284080 (1981-08-01), Rehder
patent: 4430761 (1984-02-01), Niederer et al.
patent: 4441492 (1984-04-01), Rydell et al.
patent: 4612922 (1986-09-01), Barber
Davidson John P.
Noble Philip C.
Tullos Hugh S.
Apley Richard J.
Prizant James
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