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Table 1 Length (mm) and descriptions of the screws and blades for the PHILOS plates and Fx plate configuration groups. Emboldened cells correspond to where combination differs from the control. Types of screws, cancellous, cortical locking and cortical compression, are denoted by CA, CO-L and CO-C, respectively

From: Biomechanical comparison of screw-based zoning of PHILOS and Fx proximal humerus plates

Configuration Group Screw Number
1 2 3 4 5 6 7 8 9 10 11 12
P0 (Control) 40 40 45 50 42 42 None 50 50 32 30 30
P1 (No Zone 1) 40 40 45 50 42 42 None None None 32 30 30
P2 (No Zone 2) 40 40 45 50 None None None 50 50 32 30 30
P3 (No Zone 3) 40 40 None None 42 42 None 50 50 32 30 30
P4 (No Zone 4) None None 45 50 42 42 None 50 50 32 30 30
F0 (Control) 29, CA 29, CA 44, CA 44, CA 50 45, Blade 26, CO-L 32, CO-C 26, CO-L N/A N/A
F1 (No Zone 1) 29, CA 29, CA 44, CA 44, CA 50 None 26, CO-L 32, CO-C 26, CO-L N/A N/A
F2 (No Zone 2) 29, CA 29, CA 44, CA 44, CA None 45, Blade 26, CO-L 32, CO-C 26, CO-L N/A N/A
F3 (Swap Blade with Screws) 29, CA 29, CA 44, CA 44, CA 50 44, CA 44, CA 26, CO-L 32, CO-C 26, CO-L N/A N/A