Tissue stop for surgical instrument

The present invention discloses a surgical instrument includes a handle assembly, an elongated portion, the end and the stop member. The elongated portion extends distally from the handle assembly. End effector disposed adjacent a distal portion of the elongated portion and includes a first jaw member and second jaw member. At least one jaw member relative to the other jaw member between a close position and a separate position to be active. Stop member disposed adjacent a distal portion of the first jaw member with respect to the first jaw member between a first position and a second position for the pivotable in a first position, the stopper member is significantly portion is located outside of the first jaw member in a second position, the stop member captured between first jaw member and second jaw member of the organization.