Lumbar Spine Surgery Percutaneous Annuloplasty neuro-surgery movies. This movie illustrates the technique for performing a lumbar annuloplasty. This movie shows patient positioning, skin preparation, local anesthetic injection, cannula insertion, thermal probe positioning, coagulation of the annulus tear, instrument removal and wound dressing. Percutaneous annuloplasty is also known as intradiscal electrothermal annuloplasty, intradiscal electrothermal coagulation and intradiscal electrothermal therapy and neuro-surgery movies. The normal healthy intervertebral disc has nerves in the outer third of the lateral and posterior annulus that assist with the control of movement. Degeneration, inflammation and tears of the annulus can trigger the growth of pain nerves and blood vessels deeper into the annulus and even into the nucleus pulposus. Physical and chemical irritation of these pain nerves causes pain. Lumbar Spine Surgery Percutaneous Annuloplasty neuro-surgery movies.