Importance

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Abstract

A disposable surgical stapler is provided which comprises: a tubular housing having an axial bore and an axial slot which extends through its tubular wall; a tubular pusher axially located within the bore of the housing and adapted to move distally and proximally within the bore; the pusher having an axial slot extending through its tubular wall; a central rod axially located within the pusher and adapted to move distally and proximally within the pusher; the central rod having an axial groove in its lateral surface; a handle pivotally mounted on the tubular wall of the housing; one part of the handle being positioned within the slot in the housing and within the slot in the pusher; and being adapted to move distally against the distal end of the slot in the pusher to move the pusher distally; an anvil mounted in a predetermined indexed orientation on the distal end of said center rod; a staple carrying assembly mounted on the distal end of said housing; the groove in the central rod being located, so that when the anvil and the staple carrying assembly are properly spaced apart for fastening tissue between them: one part of the handle can move medially and distally into the groove of said central rod and distally against the distal end of the slot of the pusher to move the pusher distally within the bore of the housing against the proximal end of the staple carrying assembly to activate the staple carrying assembly.

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First Claim