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Implantable prostheses designed to replace the distal end of the humerus at the articulation point. These prostheses provide a partial substitution of the elbow articulation; they typically consist of a long stem that is anchored in the hollow center of the humerus at one end and a hinge with a bearing and pin at the articulation point. Made of metal or a combination of metal and polymeric materials, the prostheses are usually intended for use without bone cement. Humeral component elbow joint prostheses are used in patients who suffer from osteoarthritis or rheumatoid arthritis, as well as after trauma (e.g., fracture).
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