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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

From: Modular titanium alloy neck adapter failures in hip replacement - failure mode analysis and influence of implant material

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°
  29 16 18 5 - -
head length S M L XL XXL unknown
  4 22 26 7 6 3
head diameter 28 mm 32 mm 36 mm
  11 50 7
head material CoCrMo Biolox forte Biolox delta
  13 53 2