Shoulder prosthesis assembly
Assignee41Medical AG
InventorsTom Overes, Robert Frigg
Life of this patent
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Abstract
The present application concerns a shoulder prosthesis assembly. The shoulder prosthesis assembly comprises a humeral stem including a first articulating coupling means, a base portion of a substantially disc shaped geometry including a second articulating coupling means. Said first articulating coupling means and said second articulating coupling means connect the stem to the base portion. The ratio between the circumference of the disc shaped base portion and the peripheral thickness of the disc shaped base portion is at least 18:1.
Claims14
A shoulder prosthesis assembly comprising a humeral stem, a first articulating coupling means a base portion of a substantially disc shaped geometry including a second articulating coupling means, the first articulating coupling means and the second articulating coupling means connecting the stem to the base portion, the base portion being movably coupled to the stem by means of an at least three degrees of freedom coupling, wherein the base portion comprises an inner inlay and is movably coupled to the stem by means of the inlay comprising a ball-and-socket coupling with one blocked rotational degree of freedom, and wherein the inlay comprises an axis of rotation and is rotatably coupled to the base portion.
Dependencies are inferred from the claim text.