增材制造可降解金属医用植入物

郑玉峰, 夏丹丹, 谌雨农, 刘云松, 徐钰倩, 温鹏, 田耘, 赖毓霄

Additively Manufactured Biodegrabable Metal Implants

ZHENG Yufeng, XIA Dandan, SHEN Yunong, LIU Yunsong, XU Yuqian, WEN Peng, TIAN Yun, LAI Yuxiao

图1 为患者量身定制的AM植入物(用于重建切除的骨肿瘤)具体实例及X光照片：包括锁骨、肩胛骨、胫骨近端非骨水泥重建[33~35]，3D打印下颌骨钛合金接骨板(术中及术后12个月)[3]，及3D打印钛合金定制人工椎体移植手术(模型上演示手术过程，术后X射线演示如何将自稳定的人工椎体插入缺失处，术后即刻进行矢状面重建，及术后1年后随访影像学显示骨结合良好，植入物未移位或下沉，肿瘤无局部复发)[4] (a-c) clavicle (a), scapula (b), and uncemented proximal tibial reconstruction (c), respectively [33-35] (d) additively manufactured Ti alloy bone plate[3] (A) reconstruction of unilateral mandible with AM Ti bone plate (B) 12 months postoperative radiologic examination (e) replacement using AM Ti alloy vertebral body[4] (A) model (B) postoperative X-ray demonstrating how the self-stabilizing artificial vertebral body was inserted C2 (C) sagittal reconstruction immediately postoperatively (D) at the 1-year follow-up showing evidence of implant osseointegration, no subsidence or displacement of the construct, and no local recurrence of the tumor

Fig.1 Examples of AM patient specific implants used for reconstruction of resected bone tumours and follow-up X-ray films showing placement, specifically