Construction kit for a modular femoral head prosthesis, especially a reoperation prosthesis, and femoral head prosthesis made from such a kit
The prosthesis has a shaft section (2) which is fitted into the centre of the femur (1) where it is fused in place. The top of the shaft has a stepped profile (2a,2b) onto which is fitted the head (3) which is secured by a tensioning screw (11) into the tapped bore inside the shaft. The head has a l...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The prosthesis has a shaft section (2) which is fitted into the centre of the femur (1) where it is fused in place. The top of the shaft has a stepped profile (2a,2b) onto which is fitted the head (3) which is secured by a tensioning screw (11) into the tapped bore inside the shaft. The head has a lateral arm (7) onto which is pressed the ball joint. The corresponding profiles of the top of the shaft and the recess in the head are rectangular in cross section, with the longer axis transverse to the shaft axis. The shaft has radial outer ribs (5) to anchor into the femur. |
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