It is done for contained disc prolapse & discogenic pain. Here a 17G needle introduced into the diseased disc under C-arm guidance. Then a special motorized probe is introduced through this needle & then operated. It breaks the nucleus pulposus into fine particles and sucks it out. Success rate is nearly 80%. The advantages are: No cut, scar, epidural fibrosis & instability of normal anatomical structure. Hospital stay is less and less costly.