An apparatus (10) for applying surgical fasteners comprising: a handle part (12) that includes at least one movable handle (22); a body part that includes a fastener pusher (70) and a cam member (68), the fastener pusher is movably supported within the body part to advance a more distal fastener (76a) of a stack (76) of fasteners to a position between a pair of jaws (16, 18) supported at a distal end of the body part, the cam member is movably supported within the body part from a retracted position to a advanced position to approximate the pair of jaws; and a hitch assembly (80) supported on the fastener pusher (70), the hitch assembly includes a pivoting hitch member (94) that is movable from a first position to engage a stop (79) supported on the member of cam (68) to a second position to disengage from the stop of the cam member, wherein the cam member (68) is functionally connected to at least one movable handle (22) so that the movement of the at least one movable handle through a drive stroke, it makes the cam member move from its advanced position to its retracted position, the hitch assembly further comprises a predisposition member (96) that forces the hitch member (94) towards its first position of such that the movement of the cam member from its retracted position to its advanced position initially advances the fastener pusher, characterized in that a hook cam (110) is fixedly supported on In the body part, the hitch cam is positioned to engage the pivoting hitch member (94) after the fastener pusher (70) has advanced the most distal fastener (76a) of the stack (76) of fasteners a the position between the pair of jaws for decoupling the hitch member (94) from the stop (79).Un aparato (10) para aplicar sujetadores quirúrgicos que comprende: una parte de asidero (12) que incluye al menos un asidero movible (22); una parte de cuerpo que incluye un empujador (70) de sujetador y un miembro de leva (68), el empujador de sujetador es soportado de manera movibl