A surgical stapler includes a body portion and a tool assembly. The bodyportion includes a large diameter portion and a small diameter portionextendingdistally from the large diameter portion. The large diameter portion supportslargerinternal components of the device including a lockout assembly adapted topreventrefiring of the stapler to allow the diameter of the small diameter portion ofthe deviceto be minimized to facilitate passage of the small diameter portion of thestapler andthe tool assembly through an 8mm trocar.
