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Table 1 Qualitative assessment

From: A custom-made guide-wire positioning device for Hip Surface Replacement Arthroplasty: description and first results

Criterion Value range Surgeon's opinion for guide no.
   i ii iii iv v
Unique position? (number of possible positions with guide in snap-fit position, i.e. full neck contact and contact on all knifes), 1, 2, 3, ... 1 1 1 1 1
Passive stability (snap-fit) obtained? Yes/No Yes Yes Yes Yes Yes
Full contact obtained at neck portion of jig? Yes/No Yes Yes Yes Yes Yes
All struts in contact with femoral head? Yes/No Yes Yes Yes Yes Yes
Guide failure? (Guide breaks, or small cracks) Yes/No No No No No No
Complexity to put guide in place? 1 (not complex) to 5 (very complex) 1 1 1 2 1
Different steps to put guide in place (1 = single hand movement) 1, 2, 3, ... 1 1 1 1 1