Fig. 2From: Preliminary report of the outcomes and indications of single approach, double-channel core decompression with structural bone support and bone grafting for osteonecrosis of the femoral headThe nano-hydroxyapatite/polyamide-66 (n-HA/PA66) support rod (authorization number: CF180936, hollow cylinder, 10-mm outer diameter, 4-mm inner diameter)Back to article page