A bone graft insertion apparatus for the almost simultaneous and integrated supply of bone material during the placement of surgical cages or their medical implants in the spine of a patient, comprising: a hollow tube (2) constructed to receive a bone graft said hollow tube (2) having an extended shaft and a proximal end (6) and a distal end (8), said hollow tube (2) having a rectangular internal square tube or cross section from said proximal end (6) to said distal end (8), said distal end (8) having an inner surface； a plunger (12) adapted to insert into said proximal end (6) of said hollow tube (2), said plunger (12) having an end (20) distal an outer surface of rectangular or square cross section contoured to said rectangle or section square internal transverse of said hollow tube (2), characterized in that the hollow tube has at its distal end one or more lateral openings and wherein said plunger (12) is designed and intended to be movable with respect to said hollow tube (2) wherein with the movement of the plunger (12) in a direction from the proximal end to the distal end of said tube (2) hollow bone graft material releasable to a graft receiving area through one or more lateral openings near said distal end (8) of said hollow tube (2), said one or more lateral openings substantially impede the supply of bone graft material directly along said axis of said hollow tube (2).Un aparato de inserción de injerto óseo para el suministro casi simultáneo e integrado de material óseo durante la colocación de jaulas quirúrgicas o sus implantes médicos en la columna vertebral de un paciente, que comprende: un tubo (2) hueco construido para recibir un injerto óseo, teniendo dicho tubo (2) hueco un eje extendido y un extremo (6) proximal y un extremo (8) distal, teniendo dicho tubo (2) hueco un tubo rectangular o sección transversal interior cuadrada desde dicho extremo (6) proximal hasta dicho extremo (8) distal, teniendo dicho extremo (8) distal una superficie interior；
