A medical device includes a sheath, an shaft at least partially surrounded by the sheath, an end effector at a distal end of the shaft and movable between at least an open position and a closed position, and a handle. The handle includes a shaft advancement body, a channel body securely coupled to the sheath and selectively positionable with respect to the shaft advancement body, and a plunger securely coupled to the shaft and selectively positionable with respect to the channel body.
