A method for treating spinal stenosis is disclosed. The method can include generating a view of a portion of the spinal canal and compressing the dural sac by injecting a fluid to form a safety zone and establish a working zone, wherein the safety zone can be between the working zone and the dural sac....http://www.google.fr/patents/US7942830?utm_source=gb-gplus-shareBrevet US7942830 - Ipsilateral approach to minimally invasive ligament decompression procedure
Ipsilateral approach to minimally invasive ligament decompression procedure