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A biomechanical analysis of intrascaphoid compression using the 3.00 mm Synthes cannulated screw and threaded washer:
I K Lo1, G J King, S D Patterson
1Bioengineering Research Laboratory, London, Ontario, Canada.
Journal of Hand Surgery (Edinburgh, Scotland)
|February 13, 2001
Abstract:
This study evaluated the compressive capabilities of the 3.0 mm Synthes cannulated screw and threaded washer. A transverse osteotomy was performed at the waist of eight cadaveric scaphoids and a custom-designed load cell was inserted before internal fixion with a 3.0 mm cannulated screw and threaded washer. The mean intrascaphoid compression achieved was 108 (SD, 60) N. This compressive force is comparable to that produced by standard cortical screws.
