Table 1 Overview about the average age, weight and time in vivo until failure of the titanium alloy neck adapter in 68 patients and distribution of neck adapter and combined head geometry
age | Ø 57.2 years (36 - 75 years) | |||||
|---|---|---|---|---|---|---|
weight | Ø 102.3 kg (75 to 130 kg) | |||||
time in vivo | Ø 24 months (8 to 48 months) | |||||
neck adapter (CCD-angle) | 130°/0° | 130° ± 7.5° | 135°/0° | 135° ± 7.5° | 140°/0° | 140° ± 7.5° |
| Â | 29 | 16 | 18 | 5 | - | - |
head length | S | M | L | XL | XXL | unknown |
| Â | 4 | 22 | 26 | 7 | 6 | 3 |
head diameter | 28 mm | 32 mm | 36 mm | |||
| Â | 11 | 50 | 7 | |||
head material | CoCrMo | Biolox forte | Biolox delta | |||
| Â | 13 | 53 | 2 | |||