Mechanical implant for hip and shoulder arthroplasty

A mechanical implant for hip and shoulder arthroplasty, consisting of a neck (1) and an end (2), which enters the lumen of a patient's bone, terminates in a movable mechanical part (3), which adapts to the metaphysis of the bone and with two movable parts (4), where the end (2) has a cross-shaped structure (6) with four holes (7), where the movable mechanical part (3) applies in the vertical holes (7a) in relation to the end (2) and in the horizontal holes (7b) in relation to the end (2) apply the two movable parts (4), characterized in that the cruciform structure (6) has on each side of it, slits (8) in which the movable mechanical part (3) and the two movable parts (4) are applied and are adjusted accordingly according to the metaphysis of the bone, the neck (1) in its lower part having a configuration with notches (9), which fit the cross-shaped structure (6) for the neck (1) to integrate into the end (2) and the movable mechanical part (3) with the two movable parts (4).