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Table 1 The overall indications for use of the twin-ring IEF construct and our clinical cases and their outcome

From: The use of twin-ring Ilizarov external fixator constructs: application and biomechanical proof-of principle with possible clinical indications

anatomical site type of # cases cases treated with IEF
involving a TR module
total IEF time adjacent joint debridging
distal femur supracondylar #
AO: A1,2,3 C1,2,3
51 8 (15.7%) ≈ 16 wks knee: ≈ 5-6 wks earlier
  periprosthetic TKR # 1 1 ≈ 16 wks knee: ≈ 5-6 wks earlier
  as above, with delayed healing or non-union 1 1 ≈ 18 wks knee: ≈ 5-6 wks earlier
proximal tibia condylar (plateau) # Schatzker V and VI 10 10 ≈ 12 wks knee: 4-5 wks earlier
  upper tibial osteotomy for management of early OA onset in young patients 1 1 ≈ 13 wks (benefit of no knee bridging)
distal tibia supramalleolar # 10 10 ≈ 16 wks (benefit of no ankle bridging) or if the ankle will be bridged then Ankle jt debridging ≈ 3-4 wks earlier
  pilon # 5 5 ≈ 14 wks ankle: < 5 wks earlier
  pilon # with involv. of distal tibial 3rd 1 1 ≈ 16 wks ankle: < 4 wks earlier