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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Spacer-based gap balancing is useful in total knee arthroplasty: a 3-year follow-up of a retrospective study

Fig. 1

Modified spacer block tool for gap balancing (A) and 3Dmax drawings (B). The modified spacer block is a dumbbell-shaped metal module with a flat bottom, comprised of a handle with a thickness of 10 mm in the middle and measuring units at both ends with a measuring gap range of 6–15 mm. The femoral condyle measuring device was specially designed as a posterior reference aiming system with nail holes marked at 19, 21, 23 to represent the obtained flexion gap (19 mm, 21 mm, 23 mm), respectively. Its accuracy is 1 mm

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