the retractor system for use in spinal surgery and other types of surgical procedures that is a simple and efficient solution for minimally invasive access to thoracolumbar spine is disclosed . the fully customizable design allows the surgeon to independently angle the retractor blades and expand the retractor in both cephalad - caudal and medial - lateral directions . with an offering of a range of blade lengths , access can be tailored to the patient &# 39 ; s anatomy . the retractor system provides versatility and control ensuring minimal tissue trauma .