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儿童急性股骨头骺滑脱症是发生在9至16岁儿童身上的最常见的髋关节疾病,在美国每年每10万儿童中约有11人患有这种疾病,其需要通过手术及时进行治疗。而现在来自加利福尼亚大学圣地亚哥分校的科学家已经使用3D打印的患者髋关节模型将手术时间缩短了约25%。
在研究中,小儿矫形外科医生Vidyadhar Upasani博士共给10名儿童患者进行手术。他为其中五名患者准备了他们髋关节的3D打印模型。这些模型由医学生Jason Caffrey领导的团队使用患者骨盆的CT扫描制作。该模型模拟骨骼结构的蜂窝状内部结构。
对于其他五名患者,Upasani没有使用模型。相反,他依靠在手术前研究髋关节X光片的传统方法。另外两名外科医生在不同的5名患者群体上进行手术,没有首先在模型上进行手术。
当比较一切时,模型指导的手术时间比两个对照组缩短了38-45分钟。根据该大学提供的数据,这意味着每台手术至少节省的时间效益为2700美元。所使用的打印机的一次性成本约为2200美元,每种型号的材料成本约为10美元。
这项研究在圣地亚哥雷迪儿童医院进行,该医院的骨科部门已经购买了自己的3D打印机。
原标题:髋关节3D打印模型使手术时间缩短25%
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