Devices are disclosed for occluding defects in an annulus fibrosis to prevent conditions such as disc herniation and recurrent disc herniation. The preferred embodiments comprise an intradiscal component having a width greater than the width of the defect and a height less than the intervertebral spacing,...http://www.google.es/patents/US20030078579?utm_source=gb-gplus-sharePatente US20030078579 - Annular repair devices and methods
