Minimally Invasive Spinal Arthrodesis in Osteoporotic Population Using a Cannulated and Fenestrated Augmented Screw: Technical Description and Clinical Experience

<table>The titanium Expedium fenestrated screw (VIPER MIS Spine System, DePuy Spine, Johnson &amp; Johnson) is a polyaxial, fully cannulated with six fenestrations in the grooves of the distal portion of the thread and an opening at the distal tip.</table>

Minimally Invasive Surgery

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Figure 1: Minimally Invasive Spinal Arthrodesis in Osteoporotic Population Using a Cannulated and Fenestrated Augmented Screw: Technical Description and Clinical Experience 

Figure 1 | Minimally Invasive Spinal Arthrodesis in Osteoporotic Population Using a Cannulated and Fenestrated Augmented Screw: Technical Description and Clinical Experience 