Surgical Drill Guide for Insertion of an Infra-Acetabular Screw Based on an Anatomically Precontoured Plate System: A Cadaveric Study

Table 1

Results of the computed tomography-based multiplanar reformation measurements given in mm.

Specimen No.	Infra-acetabular diameter (IAD)	Center cartillage distance (CCD)	Infra-acetabular corridor length (IACL)	Screw corridor distance (SCD)	Screw femoral head distance (SFHD)	Femoral head diameter (FHD)
1L	7.90	6.96	79.6	3.62	7.01	42.7
1R	8.06	7.12	80.7	3.24	6.52	42.3
2R	6.56	8.30	84.9	3.13	7.74	43.4
2L	6.68	8.34	81.1	2.41	6.70	43.4
3R	6.53	7.90	85.7	3.14	7.68	49.6
3L	6.89	7.31	99.9	2.72	6.99	50.1
4R	5.83	6.36	99.8	2.98	6.72	43.0
4L	7.08	7.39	85.9	3.29	6.80	42.8
5R	6.19	7.61	98.5	3.14	7.17	46.4
5L	5.87	4.15	92.0	2.66	3.73	46.2
6R	8.12	9.30	85.9	4.95	9.98	45,2
6L	7.44	9.57	86.9	5.05	10.50	45.8
Mean	6.72	7.62	90.1	3.35	7.40	45.6
Range	0.71	1.54	7.0	0.91	1.87	2.6
Min	5.83	4.15	81.1	2.41	3.73	2.6
Max	8.12	9.57	99.9	5.05	10.50	50.1