A surgical system, comprising: a handle assembly (100)； a jaw assembly that includes: a detachable cartridge assembly (432) that includes a plurality of fasteners (433) and a longitudinal groove (484) defined therein； an anvil (434) having a fastener forming surface therein, the cartridge assembly (432) and the anvil (434) are mounted for relative pivotal movement between each other between an open position and an alignment closed position close cooperative to hold tissue； a drive slider (440) supported within the cartridge assembly (432), the drive slider (440) is movable to force the plurality of fasteners (433) from the cartridge assembly (432)； A drive bar (462) that includes a vertical support strut (472) and a cam member (480) supported on the vertical support strut (472), the cam member (480) is positioned to move relative to the anvil (434) to keep the anvil (434) in the closed position during the firing of the fasteners (433) and the vertical support strut (472) is placed to meet the drive slide (440)； and a drive screw (460) supported within the removable cartridge assembly (432), the drive screw (460) has a threaded part, wherein the drive bar (462) is threadedly coupled to the threaded part of the drive screw ( 460) so that the rotation of the drive screw (460) imparts longitudinal movement of the drive bar (462)； and an elongated body (200) configured to interconnect the handle housing and the jaw assembly, the elongate body (200) includes a flexible drive rod (119) that mechanically couples the drive screw (460) to a drive rod of the assembly of handle (100), wherein the impeller rod (119) transfers rotational movement of the actuator rod to the impeller screw (460), the elongate body (200) includes a flexible part (202), and wherein the flexible impeller rod ( 119) is housed within the flexible part (202), wherein the surgical stapler further comprises a drive link (502) that interconnects the flexible drive rod (119) and the drive screw (460), wherei
