#$%^&*AU2008201625B220140417.pdf#####ABSTRACT ANVIL POSITION DETECTOR FOR A SURGICAL STAPLER An anvil position detector (12) is provided for use with a surgical stapling instrument (10). The anvil position detector (12) includes a projection formed on a driving or jaw closure mechanism of the surgical instrument (10) and a recess for a notch formed on the jaw or anvil of the surgical instrument (10). Engagement of the projection with the notch provides a tactile and/or audible indication to the operator of the surgical instrument (10) that the anvil or jaw is in proper alignment with the remainder of the surgical instrument (10).