Humeral component of a shoulder joint prosthesis

Details Humeral component of a shoulder joint prosthesis Humeral component of a shoulder joint prosthesis

A - Human Necessities

61

F

A61F 2/40 (2006.01)

Patent

CA 2625017

A humeral component (2) of a reverse shoulder prosthesis comprises an elongate stem part (4) for location within the intramedullary cavity of the humerus, and an epiphyseal part (8) having a concave bearing surface (12) for articulation with the convex bearing surface of a glenoid component . The elongate stem part (4) defines a stem axis and the concave bearing surface (12) of the epiphyseal part defines an epiphyseal axis. The epiphyseal axis is offset posteriorly relative to the stem axis.

L'invention concerne un élément huméral d'une prothèse de l'épaule renversée comportant une partie de tige oblongue en vue du placement dans la cavité intramédulaire de l'humérus, et une partie épiphysaire comportant une surface support concave en vue de l'articulation avec la surface support convexe d'un composant glénoïde. La partie de tige oblongue définit un axe de tige et la surface support concave de la partie épiphysaire définit un axe épiphysaire. L'axe épiphysaire est décalé postérieurement par rapport à l'axe de tige.

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