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. 2023 Nov 7;18:841. doi: 10.1186/s13018-023-04337-9

Fig. 1.

Fig. 1

Simplified diagram of the three internal fixation devices. a Bespoke 3D-printed titanium alloy plates. This model is fixed by an integrated plate and 9 screws. There are wings above the arcuate line and the pubic ramus. Two screws are inserted in the posterior column of the quadrilateral area. b Union Plate. This model is composed of an integrated plate and 6 screws, one of which is fixed on the rear column in the quadrilateral area. c Common reconstruction plate. This model consists of a plate above the arcuate line and 6 screws. d As shown in the figure, the red arrow is the direction of the force on the model. The yellow oval area is the constrained area