PROBLEM TO BE SOLVED: To provide a surgical device for performing a minimally invasive surgical procedure.SOLUTION: One example of a surgical apparatus includes: an end effector； a shaft extending proximally from the end effector, the shaft including an articulation region； a handle including at least one button； an articulation gear held by the handle and having at least one cam path is defined therein； and at least one holder post extending into each cam path； where actuation of one of the buttons causes the end effector to articulate through a discrete angular increment relative to the shaft.SELECTED DRAWING: Figure 2
