Clinical Study

One-Year Follow-Up of a Series of 100 Patients Treated for Lumbar Spinal Canal Stenosis by Means of HeliFix Interspinous Process Decompression Device

Figure 2

12 months after procedure laterolateral (a) and anteroposterior (b) radiographs are useful to demonstrate the correct position of this L4-L5 implant.
176936.fig.002a
(a)
176936.fig.002b
(b)