Nowadays epiduroscopy is the most spread technique of diagnosis about chronic pain at lumbar space exploiting natural orefices such as the sacral hiatus. In this cases the specialized medical doctor needs a learning curve and a dedicated instrumentation represented by special catheters with destination of use about pain therapies and visualization systems intended for minimally invasive techniques. The terapy involves peridurolysis in ordet to decompress the epidural space. Decisional algorithm suggests three options: mechanical and pharcological peridurolysis by using steerable 2 ways catheter in case of simple adhesions; mechanical peridurolysis with balloons in case of highly resistant adhesions; resection or full ablation with RF electrodes in case of herniated nucleus pulposus. If epiduroscopy is performed too late, then the specialized medical doctor may need medical devices to create the space between the tissues prior to the use of catheters.