Thank you for responding. I have chronic pain and severe stenosis at L2/L3 and have been resisting open back surgery. I have seen 2 spine surgeons and both have indicated they recommend open back but do think I would get some relief from Vertiflex.. They say the main problem is the ligamentus flaven is swollen and pressing into spinal canal causing the pain. I also considered the MILD treatment but have been told by spine surgeon that it may cause permanent damage due to the severity of the stenosis. Boston Scientific says Veriflex should help even though it is severe stenosis which is contrary to what I have read. So I am getting a mish mash of information. I guess in the end I need to decide whether to continue to live with the pain if I can or do the Veriflex. If it works , great, if not then consider open back. Thanks again for responding.