The present invention relates to surgical retractors and devices for stabilizing a predetermined area of the body during a surgical procedure, more particularly to surgical retractors and stabilizing devices used in connection with minimally invasive coronary artery bypass grafting surgical procedures, and more specifically to surgical retractors and stabilizing devices especially configured for use with each other for such surgical procedures wherein the retractor includes a plurality of recessed surfaces thereon for the mounting of a tower type of sled member thereon and wherein the sled member is readily attachable and removable from the retractor and is adjustable upon actuation of an adjustment knob which releasably controls the rotation of the connector with respect to the retractor and the movement of the stabilization arm segment with respect to the retractor upon actuation of a single knob or actuator.