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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Reconstruction of massive bone defects after femoral tumor resection using two new-designed 3D-printed intercalary prostheses: a clinical analytic study with the cooperative utilization of multiple technologies

Fig. 2

Photographs and design proposals of new-designed 3D-printed prostheses. A The gross view of Type A prosthesis on design proposal showing the 3D-printed component (superior part) and LDK modular component (inferior part). B The gross view of Type B prosthesis on design proposal showing the 3D-printed component (superior part) and LDK modular component (inferior part). C The 3D-printed proximal stems in Type B prosthesis showing anchorage-slot structures (arrowheads) fixing the locking screw inserted into calcar femorale or spongy bone. D The finished 3D-printed curved stem and anchorage-slot stem. E 3D-printed osteotomy guide plate on design proposal and photograph of finished 3D-printed osteotomy guide plate and reaming guide plate. F A finished Type A prosthesis showing the 3D-printed proximal bone-implant interface, distal bone-implant interface, and curved stem. In this prosthesis, the patient-specific curve radius, stem diameter and length were 140°, 15 mm, and 69 mm, respectively. G The finished Type B prosthesis showing the 3D-printed proximal bone-implant interface, distal bone-implant interface, and anchorage-slot stem

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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