• 45 years of age or older when written informed consent is obtained

• Persistent leg/buttock/groin pain, with or without back pain that is consistently relieved by flexion activities (example: sitting or bending over a shopping cart).

• Diagnosis of degenerative spinal stenosis of the lumbar spine, defined as the narrowing of the midline sagittal spinal canal (central) and/or narrowing between the facet superior articulating process (SAP), the posterior vertebral margin (lateral access), and the nerve root canal (foraminal).

• Subject signed a valid, IRB-approved informed consent form (ICF) provided in English.

• Subjects, who, in the opinion of the Clinical Investigator, are able to understand this clinical investigation, cooperate with the investigational procedures and are willing to return for all the required post-treatment follow-ups.

• Able to independently read and complete all questionnaires and assessments provided in English