Shoulder or hip prosthesis
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United States of America Patent
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Dec 30, 2008
Grant Date -
Dec 29, 2005
app pub date -
Jun 24, 2005
filing date -
Jun 28, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The prosthesis according to the invention comprises a first component, humeral or femoral, presenting a concave surface of articulation and a second, intermediate component presenting first and second convex surfaces of articulation intended to cooperate respectively with the concave surface of articulation of the first component and with a glenoidal or acetabular concave surface of articulation. The second component is hollow and defines a volume for receiving a head of a member belonging to the first component, this member being connected to a metaphyseal part of the first component by a stem, the head being connected to the second component by traversing an opening made in a ring of the second component mounted on a cup of which the outer surface forms the second convex surface of articulation of the second component. The first convex surface of articulation of the second component is formed on the outer surface of the ring, around the aforementioned opening.
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