An apparatus for adjusting the position and orientation of a medical device within a patient's body includes a distal portion, a body portion and a proximal portion. The distal portion has a lumen for receiving at least three control tubes. Each control tube houses a control wire that is attached to the medical device. The body portion is connected to the distal portion by a ball-and-socket joint and configured to receive at least one control wire. The proximal portion is rotatably and slidably attached to the body portion and configured to receive at least one control wire.