A gastric calibration tube includes an elongate member and an adjusting member. The elongate member has a length and includes a first segment and a second segment that extend along the length. The second segment includes a first side and a second side. The first and second sides are selectively movable in opposite lengthwise directions. The adjusting member is secured to one of the sides of the second segment and movable with the second segment relative to the first segment to steer the elongate member.
