An apparatus for applying surgical fasteners comprising: an anvil half-section (12) that includes a distal anvil part and a proximal handle part； a cartridge receiving half-section (14) defining an elongated channel member (22), the elongated channel member has a distal part (24a) sized to releasably receive a cartridge (18) and a proximal part (24b) configured to support a trigger assembly (20), the elongate channel member includes a capture member (214) placed in the proximal part； and a clamping lever (16) secured to the cartridge receiving half-section, the clamping lever has a proximal part and a distal part and includes a handle part, the clamping lever includes a locking member (206) that is connected to the proximal part of the clamping lever, the locking member includes a coupling member (208)； the clamping lever is functionally associated with the anvil half-section (12) and the cartridge receiving half-section (14) and is movable from a position without clamping to a clamping position to securely release the anvil part of the half-section of anvil in close approximation with the cartridge, where in the holding position, the coupling member (208) of the locking member (206) is releasably coupled to the capture member (214) of the elongated channel member (22) for releasingly retaining the clamping lever (16) in the clamping position； characterized in that the locking member (206) is cantilevered and is connected to the proximal part of the clamping lever (16) by an active hinge (213).Un aparato de aplicación de sujetadores quirúrgicos que comprende: una semisección de yunque (12) que incluye una parte de yunque distal y una parte de asidero proximal； una semisección receptora (14) de cartucho que define un miembro de canal alargado (22), el miembro de canal alargado tiene una parte distal (24a) dimensionada para recibir de manera liberable un cartucho (18) y una parte proximal (24b) configurada para soportar un conjunto de disparo (20), el miembro de canal
