Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1993-09-17
1995-05-09
Isabella, David
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 238
Patent
active
054136083
ABSTRACT:
Knee joint endoprosthesis for replacing the articular surfaces of the tibia, the endoprosthesis comprising a bearing part (1), which is to be anchored on the bone and has an upper bearing surface (2), and a plateau (3) which is to be secured on the said bearing part. The plateau is rotatable on the bearing surface (2) about a journal (6, 15) which co-operates with a bore (12) in the plateau (3). The bore has a flange (13) which co-operates with a removable collar (14) limiting the journal at the top. The journal is composed of a projection on the bearing part (1) and a securing part arranged on the collar (14), which can be joined together by means of one of these two parts as outer part (15) containing a bore into which the other part as inner part (6) can be inserted. In order to secure these two parts on one another, fixing means (9) are provided which can be formed by a screw arranged transversely in the journal.
REFERENCES:
patent: 4112522 (1978-09-01), Dadurian et al.
patent: 5330535 (1994-07-01), Moser et al.
Isabella David
Waldemar Link (GmbH & Co.)
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