内視鏡とナビゲーションシステム，3Dモデルを駆使した高精度な眼窩再建術

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  • Highly Accurate Orbital Reconstruction by a Combination Therapy of Endoscopy, Navigation System, and 3D Modeling

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<p>　　Problems of orbital fracture surgeries include the narrow and deep surgical field, the difficulty of detecting the correct position of deep fractures, and the insufficiency of methods of teaching young surgeons. To overcome these problems, we introduced a combination therapy consisting of transorbital endoscopy, image-guided navigation system, and a 3D model.<br>　　Using endoscopy to assist with surgery, all medical staff can share a clear and magnified surgical vision through the high-resolution monitor. Transorbital endoscopic surgeries facilitate finding the microfracture easily even in the deep part of the orbit; thus, the image-guided navigation system adds accuracy and objectiveness to endoscopic surgeries. By a combination of endoscopy and image-guided navigation, we can avoid inadequate reduction of deep orbital fractures, which make orbital surgeries safer and easier and shortens the learning curve of young surgeons. Furthermore, 3D modeling can replicate real orbital shape and facilitate preoperative training of orbital surgeries. Using a mirrored 3D model, a precisely shaped bone graft can be manufactured and placed to the orbital defect.<br>　　Combining endoscopy, image-guided navigation system, and 3D modeling can contribute to safe and accurate orbital surgeries.</p>

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