Severe L4/5 Spinal Stenosis pain. London Spine Unit Harley Street UK, Dr Mo Akmal MD, Top Spinal Surgeon UK. The team at Harley Street Hospital have developed methods to operate on patients without the normal types of general anaesthetic. This allows rapid recovery after surgery. Sciatica, Slipped Disc, Spinal Stenosis, Percutaneous Laser Discectomy, Lumbar Fusion, Disc Replacement, Balloon Kyphoplasty, vertebroplasty, Dynamic Stabilisation, Percutaneous laser spine surgery, cervical spine stenosis. All Operations performed as outpatient Day Surgery. Walk in Walk Out Same Day. Avoid Long NHS Waiting Lists. No Inpatient stay required. Revolutionary techniques at Leading UK Spine Centre. Best Rated Hospital.