BioMed Research International / 2014 / Article / Fig 1

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 1

The first sharp inserted in the interspinous space is a 5 mm thick trocar (a). After his removal a second trocar bringing on the tip a proof element of 8 mm size is introduced ((b) and (c)). The percutaneous insertion of the IPD is controlled under fluoroscopy (d).
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