A method and device for treating human intervertebral disc herniations using an endoscopic procedure. An access port is opened into and through the annulus of a disc to remove nucleus pulposus. Laser light fibers may then be passed through an endoscopic guide tube to anneal the inner surface of the disc...http://www.google.es/patents/US6805715?utm_source=gb-gplus-sharePatente US6805715 - Method and device for treating intervertebral disc herniations
Method and device for treating intervertebral disc herniations