| 摘要 |
A method for performing surgery on a shoulder joint utilizes one positionable support arm attached to a retractor support apparatus. The method includes incising a patient to expose the shoulder joint. After exposing the shoulder joint, the humeral ball is dislocated from the glenoid cavity. A retractor is mounted to one of the support arms at a proximal end. A humerus retractor blade at a distal end of the humerus retractor engages the humerus. The humerus retractor blade is positioned about the humerus and a mechanical system within the humerus retractor is manipulated to laterally displace the humeral ball from the glenoid cavity.
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