“…The longest follow-up periods of patients with its clinical use were 3 years, and 6 years for shoulder [2], [8], [15], [16], [17] and hip [18], [19], [20], [21] surgeries, respectively. The clinical experience reported till now was limited with only four case reports and a case series related with the use in hip pathologies of the femoral head [7], [18], [19], [20], [21].…”