A medical device may include an elongate member having a proximal end, a distal end, and a lumen extending therebetween. In addition an end-effector may be disposed at the distal end of the elongate member, the end-effector may include a first arm and a second arm. Additionally, the first arm may define a first slot and a second slot. Further, the medical device may include an actuating member, the actuating member may include a plurality pins, and wherein each of the pins may slideably engage the first and second slots.
