An apparatus for application of surgical fasteners to body tissue, the apparatus comprising: a handle assembly (200) including: a set pulse (220) and a trigger (208) operatively connected to drive assembly and a set of rod (300) extending from the handle assembly, the shaft assembly includes: a set of neck joint (310) and an end effector assembly (320) supported on a distal end of neck assembly joint and is configured to form a surgical clip in place in the body tissue, wherein the end effector assembly includes: at least one fastener disposed in the same jaws (326) configured to receive and form the at least one fastener a pusher bar (330) configured to load the at least one fastener in the jaws, and a counter pulse (340), to effect closure of the jaws characterized by a sliding pulse (344) axially translatable slidably within them wherein the impulse spool (344) is selectively coupled with the push rod so that distal advancement of the slide pulse results in distal advancement of the bar pusher a given distance and then the slide drive is disconnected from the pusher bar after the given distance when the fastener is loaded into the jaws and wherein the bar drive is selectively coupled by sliding pulse after a load of the fastener in the jaws by the pusher bar, wherein distal advancement of the slide pulse advanced distally bar drive for closing of the jaws.Un aparato para aplicación de sujetadores quirúrgicos al tejido corporal, el aparato comprende: un conjunto de asidero (200) que incluye: un conjunto de impulso (220) y un gatillo (208) conectado funcionalmente al conjunto de impulso y un conjunto de vástago (300) que se extiende desde el conjunto de asidero, el conjunto de vástago incluye: un conjunto de cuello de articulación (310) y un conjunto de efector final (320) soportado en un extremo distal del conjunto de cuello de articulación y se configura para formar un sujetador quirúrgico en el sitio en el tejido corporal, en donde el conjunto de efector final i
