BOSTON (PRWEB) FEBRUARY 11, 2020 INSPAN LLC (a privately-owned company) is pleased to announce the successful results from a long-term follow-up clinical study of outpatient L4-L5 lumbar interspinous fixation for degenerative spinal stenosis using the Inspan interspinous fixation device (INSPAN LLC). Unlike extension block design, the Inspan device fixates the spine to allow for immediate stability, …