An apparatus (100) for applying surgical fasteners to body tissue, so that the apparatus (100) comprising: a handle assembly (102) a shaft assembly (104) a plurality of surgical fasteners (C) disposed within the shaft assembly a jaw (106), mounted adjacent a distal end portion of the shaft assembly (104), such that the jaw (106) is movable between a separate state, open state and approximately closed and a pusher bar (156), configured to load a distal-most surgical fastener (C1) inside of the jaws (106) during distal movement such that the shaft assembly (104) includes a housing (152a, 152b, 154) extending distally from the handle assembly (102) and defining a longitudinal axis so that the pusher bar (156) is arranged for reciprocating or reciprocating within the housing (152a, 152b, 154) of the shaft assembly (104), characterized in that: have provided means removable or detachable connection with in order to join the push rod (156) to the housing when the pusher bar (156) is moved to an advanced position distally such that said means for removable attachment maintain the advanced position distally during an approximation of the jaws (106) and said means for removable attachment are disconnected or disjoint housing in order to allow the pusher bar moves proximally after the approximation of the jaws (106).Un aparato (100) para la aplicación de sujetadores quirúrgicos a tejido corporal, de tal manera que el aparato (100) comprende: un conjunto de mango (102) un conjunto de árbol (104) una pluralidad de sujetadores quirúrgicos (C), dispuestos dentro del conjunto de árbol una mordaza (106), montada adyacente a una porción de extremo distal del conjunto de árbol (104), de tal manera que la mordaza (106) es movible entre un estado separado, abierto, y un estado aproximado, cerrado y una barra empujadora (156), configurada para cargar un sujetador quirúrgico más distal (C1) en el interior de las mordazas (106) durante el movimiento distal de tal manera que el conjunto de
