Design Parameters of Hand Surgery Screws: Measurement Discrepancies and Clinical Implications.

Purpose: The use of self-tapping cortical screws is indicated in patients with metacarpal and phalangeal fractures requiring formal stabilization. The aim of this study was to systematically compare and evaluate the design parameters of 4 commercially available self-tapping screw systems.

Methods: We measured various design parameters of self-tapping cortical screws of different lengths from several manufactures using scanning electron microscopy.