Patent ID: 6601748
Filing Date: 2003-08-05
Classification: A61B

Abstract:
A surgical stapler comprising:a housing having a pilot pin; a trigger pivotably connected to said pilot pin; a first spring which biases said trigger in an extended position away from said housing; a staple delivery system; a plurality of staples; a mechanical digital counter for providing a digital readout of the number of staples remaining; an audible feedback system to provide an audible confirmation as each staple is consumed; a first digit wheel rotatably mounted on said pilot pin; a second digit wheel rotatably mounted on said pilot pin adjacent to said first digit wheel; a plurality of depressions in the outer peripheries of said wheels dividing said outer peripheries into a plurality of outward facing surfaces; a digit located on each of said outward facing surfaces; a wheel forward arm having a first and a second end; a stop arm having an anchored and a free end, said anchored end secured to said housing, said free end including a pawl extending into one of said depressions; a window in said housing enabling the viewing of two of said digits side by side consisting of one digit from said second digit wheel and one digit from said first digit wheel; a long pawl on a first side of said forward arm facing said first digit wheel; and a short pawl on a second side of said forward arm facing said second digit wheel; wherein said first end of said wheel forward arm is secured to said trigger and said second end of said wheel forward arm extends to the outer periphery of said wheels and spans at least some portion of each of said wheels.