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1. The surgeon performed a volume implant to restore the patient's lost bone structure.
外科医生进行了体积植入手术，以恢复患者失去的骨骼结构。
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2. The volume implant was designed to improve the patient's mobility and reduce pain.
体积植入物的设计旨在提高患者的活动能力并减轻疼痛。
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3. The patient underwent a volume implant procedure, which involved removing part of the skull and replacing itwith a titanium implant.
患者接受了体积植入手术，该手术涉及移除部分颅骨并用钛合金植入物替换。