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EP0027160A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Hip joint prosthesis

Assignee: Protek AG
•
Filing: 1980-07-15
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Granted: —
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Expires: 2000-07-15
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Abstract

Abstract Translated from German Bei Patienten mit hypoplastischen Hüftgelenken müssen Hüftgelenkprothesen mit relativ dünnen und schmalen Schaftblättern (7) verwendet werden; daher besteht bei diesen Prothesen die Gefahr, dass aufgrund der Drehmomentwirkung der am Gelenkkopf (11) angreifenden Kraft (9) überelastische Verformungen der Schaftblätter (7) auftreten. Dieser Gefahr wird erfindungsgemäss dadurch begegnet, dass der den Uebergang zwischen Schaftblatt (7) und Prothesen hals (6) bildende kragenartige Ansatz (12) in Richtung parallel zum Prothesenhals (6), vorzugsweise in Verlängerung der unteren Kante (8) des Prothesen halses (6), verläuft. In patients with hypoplastic hip joints, hip prostheses with relatively thin and narrow shaft blades (7) must be used; There is therefore a risk with these prostheses that, due to the torque effect of the force (9) acting on the joint head (11), over-elastic deformations of the shaft blades (7) occur. According to the invention, this danger is countered by the collar-like extension (12) forming the transition between the shaft blade (7) and the prosthesis neck (6) in the direction parallel to the prosthesis neck (6), preferably in the extension of the lower edge (8) of the prosthesis neck ( 6), runs.

Inventors

  • 👤 Peter Gino Niederer

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 21:49
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/32; A61F2/36

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