Patent ID: 8413870
Filing Date: 2013-04-09
Classification: A61B

Abstract:
1. A surgical stapling instrument ( 1 ) comprising: a frame having a body portion ( a staple fastening assembly ( a moving device adapted to move the anvil ( a staple driving device ( wherein said distal end surface ( 14 ) and said staple forming surface ( 20 ) have a wavy shape including two opposite peaks ( 21 ) and two opposite valleys ( 22 ), each of said two opposite valleys ( 22 ) being angularly spaced at about 90° from the directly bordering peaks ( 21 ), and wherein said two-peaks-two-valleys wavy shape is formed by a stepped configuration of said surfaces ( 14 , 20 ), wherein the distal end surface ( 14 ) forms: exit openings of a radially outer closed row of staple guide slots ( exit openings of a radially inner closed row of staple guide slots (