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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Application of the Chinese Aircraft-shaped Sleeve system in the treatment of tibial shaft fractures using a suprapatellar approach for tibial intramedullary nailing: a randomised controlled trial

Fig. 1

Instability in the position of the conventional sleeve during intramedullary nailing. a, b The conventional sleeve must be located in the central area of the patellofemoral joint, as viewed from the lateral and axial positions. c, d The conventional sleeve is round, such that when the pressure on the patellofemoral joint (red arrow) is high, with the patella slides to one side (blue arrow) and the sleeve to the opposite side (blue arrow)

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X