The anterior spine prosthesis containing: - A perforated sleeve type body with a longitudinal axis (A) and a circumferential wall of the body surrounding a space that extends along the longitudinal axis (A), where the body sleeve type is provided with overgrowth holes in the body wall and at least one anchoring element and teeth in each of the final faces of the body surface, where the sleeve type body (1) has in the wall of the body body at least one elongated manipulation hole (6) and at least one elongated positioning hole (7) cooperating with it, whose longitudinal axes are parallel to each other, and - a positioner (2) located within the space surrounded by the wall of the body and which is movable along the longitudinal axis A of the sleeve type body (1), the positioner (2) being provided with overgrowth holes (13) and at least one positioning element (8) cooperating with the less s a positioning hole (1) of the body (7), and the positioner (2) is provided with at least one hole (12) that can be aligned with the manipulation hole (6), where the cooperation of at least one element of placement (8) and the placement hole (7) limits the mobility of the positioner (2) inside the sleeve-like body (1), in which the length of the body-manipulating hole (6) corresponds to at the distance between extreme positions of the hole (12) of the positioner (2) allowed by the cooperation of the at least one positioning element (8) and the positioning hole (7), so that the hole (12) of the positioner ( 2) is located within the inside diameter of the manipulation hole (6).La prótesis de la columna vertebral anterior que contiene: - Un cuerpo de tipo manguito perforado con un eje longitudinal (A) y una pared circunferencial del cuerpo que rodea un espacio que se extiende a lo largo del eje longitudinal (A), donde el cuerpo de tipo manguito está provisto de orificios de sobrecrecimiento en la pared del cuerpo y al menos un elemento de anclaje y dientes en cada una de las caras fina
