Implant facilitating upper humerus resurfacing and method for use and implantation thereof

A surface-reconfiguration implant for creating an articular surface facilitating articulation with an acromion and a glenoid during movement of a shoulder joint, the surface-reconfiguration implant comprising:

• a body portion including at least an undersurface and an articular surface, the undersurface of the body portion being configured to interface with portions of a proximal humerus to facilitate attachment of the body portion thereto, portions of the articular surface extending to and/or beyond at least a normal anatomical shape of an upper portion of a humeral head and a greater tuberosity both superiorly and medially when the body portion is attached to the proximal humerus, the articular surface being at least in part bi-convex including a first convex portion, a second convex portion, and an indentation positioned between the first convex portion and the second convex portion, the second convex portion forming a nose portion being configured to blend into portions of the proximal humerus, the nose portion being positioned farther medially than the first convex portion and the indentation, and a perpendicular distance from the undersurface of the body portion to a peak of the nose portion is less than a perpendicular distance from the undersurface of the body portion to a minimum of the indentation;
• wherein, when attached to the proximal humerus, the articular surface contacts an undersurface of the acromion, and correspondingly provides inferior translation of the proximal humerus in the shoulder joint.