| 摘要 |
A humeral prosthesis including a shaft adapted to be anchored in a medullary canal of humerus, a metaphyseal portion extending upwardly and endwardly from said shaft and being joined at its outer end to a flange which is adapted to support a dome to cooperate with a glenoidal cavity of a shoulder wherein the metaphyseal portion includes an inner part having at least one antero-posterior rib which is structured to provide an anatomical support for humeral tuberosities and which the at least one rib is oriented at an angle of between 45° to 135° with respect to a frontal plane of the prosthesis.
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