CN106821553A - 一种3d打印月骨假体的制备方法 - Google Patents

一种3d打印月骨假体的制备方法 Download PDF

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CN106821553A
CN106821553A CN201710142840.5A CN201710142840A CN106821553A CN 106821553 A CN106821553 A CN 106821553A CN 201710142840 A CN201710142840 A CN 201710142840A CN 106821553 A CN106821553 A CN 106821553A
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王金武
刘至原
万克明
戴尅戎
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Shanghai Jiaotong University
Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
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Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
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    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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Abstract

本发明提供了一种3D打印月骨假体的制备方法。本发明通过获取患者患侧及健侧双侧月骨CT、MRI的完整数据后，利用DigMed、3‑Matic等CAD软件以患者患侧影像学数据为主，并联合健侧数据作为对比，还原出患侧月骨原本应有形态后建立月骨三维模型，以使打印月骨假体与患者腕部周围各骨能形成完美的契合。

Description

一种3D打印月骨假体的制备方法
技术领域
本发明属于医学领域，具体涉及一种3D打印月骨假体的制备方法。
背景技术
对于腕月骨缺血性坏死，需要手术治疗的患者，既往采用月骨摘除并用假体置换术，而摘除坏死月骨后理想的方法是植入一假体替代物。现在应用中的假体类型多种多样，包括骨水泥、金属球、硅橡胶、钛合金、陶瓷等。而月骨属于不规则骨，形态多变，现有的各类月骨假体制备多为减材制造、切削加工等工艺制作。但现有技术中的问题是人工假体的大小、形状不匹配，植入后固定不牢固。且手术过程不够便利，略显复杂。
发明内容
为了克服上述现有技术的不足，本发明提供了一种可以个体化地快速设计及制造的特殊设计月骨假体的方法，能使之与患者腕部完美契合的同时，简化手术步骤，缩短手术时长。
本发明提供的3D打印月骨假体的制备方法，包括以下步骤：
步骤(1)：获取患者手掌CT和MRI数据，导入重建软件中进行三维重建，得到患者掌骨三维模型，
步骤(2)：对所述的三维模型进行计算机模拟复位，并联合健侧数据做对比，得到复位后的月骨图像；
步骤(3)：根据所述的月骨图像，采用设计软件对月骨的尺寸和外形进行设计，得到设计好的月骨数据；
步骤(4)：将所述的月骨数据转换为3D打印机识别的数据，制作月骨模型，并通过所述的月骨模型打印出所述月骨假体。
较佳地，所述的步骤(1)中，重建软件为DigMed。
较佳地，所述的步骤(3)中，设计软件为3-Matic。
较佳地，所述的步骤(3)中，采用设计软件对月骨的外形进行设计还包括设计血管钳孔及穿线孔。
较佳地，所述的步骤(4)中，采用PLA制作月骨模型。
较佳地，所述的步骤(4)中，打印方式为采用3D金属打印机打印所述的月骨假体。
较佳地，所述的步骤(4)中，还包括采用ABS打印机或光敏树脂打印机打印除患者摘除坏死月骨后腕关节模型，作为术前参考。
本发明通过获取患者患侧及健侧双侧月骨CT(Computed Tomography计算机断层扫描)、MRI(Magnetic Resonance Imaging核磁共振成像)的完整数据后，利用DigMed、3-Matic等CAD(ComputerAided Design计算机辅助设计)软件以患者患侧影像学数据为主，并联合健侧数据作为对比，还原出患侧月骨原本应有形态后建立月骨三维模型，以使打印月骨假体与患者腕部周围各骨能形成完美的契合。在月骨掌侧及背侧根据手术方案设计血管钳孔及穿线孔，以便术中器械夹持及加提固定。以3D金属打印机打印月骨假体。打印后的假体经过打磨、抛光后完成制作。并ABS模型打印、光敏树脂打印机打印出患者摘除坏死月骨后腕关节模型，作为术前参考。
附图说明：
图1是本发明实施例中月骨假体的结构图。
具体实施方式
下面结合具体的实施例对本发明作进一步地说明，以更好地理解本发明。
实施例：
病人姓名：徐##；年龄：63岁性别：女
患者病情描述：右手腕涨痛，同时观察右臂已经肿胀，按压有疼痛，手腕无法活动。
CT/MRI显示手掌的月骨变形，供血不足。
初步治疗方案：设计人工月骨，替换已经变形，疏松的月骨。
上述人工月骨假体的制备方法，包括以下步骤：
步骤(1)：获取患者手掌CT和MRI数据，导入重建软件中进行三维重建，得到患者掌骨三维模型，
步骤(2)：对三维模型进行计算机模拟复位，并联合健侧数据做对比，得到复位后的月骨图像；
步骤(3)：根据月骨图像，采用设计软件对月骨的尺寸和外形进行设计，得到设计好的月骨数据；
步骤(4)：将月骨数据转换为3D打印机识别的数据，制作月骨模型，并通过月骨模型打印出月骨假体。月谷假体的结构如图1所示。
采用的重建软件为DigMed。设计软件为3-Matic。步骤(3)中，采用设计软件对月骨的外形进行设计还包括设计血管钳孔及穿线孔。并采用PLA制作月骨模型。打印方式为采用3D金属打印机打印月骨假体。还包括采用ABS打印机或光敏树脂打印机打印除患者摘除坏死月骨后腕关节模型，作为术前参考。
本发明通过获取患者患侧及健侧双侧月骨CT(Computed Tomography计算机断层扫描)、MRI(Magnetic Resonance Imaging核磁共振成像)的完整数据后，利用DigMed、3-Matic等CAD(ComputerAided Design计算机辅助设计)软件以患者患侧影像学数据为主，并联合健侧数据作为对比，还原出患侧月骨原本应有形态后建立月骨三维模型，以使打印月骨假体与患者腕部周围各骨能形成完美的契合。在月骨掌侧及背侧根据手术方案设计血管钳孔及穿线孔，以便术中器械夹持及加提固定。以3D金属打印机打印月骨假体。打印后的假体经过打磨、抛光后完成制作。并ABS模型打印、光敏树脂打印机打印出患者摘除坏死月骨后腕关节模型，作为术前参考。
以上对本发明的具体实施例进行了详细描述，但其只是作为范例，本发明并不限制于以上描述的具体实施例。对于本领域技术人员而言，任何对本发明进行的等同修改和替代也都在本发明的范畴之中。因此，在不脱离本发明的精神和范围下所作的均等变换和修改，都应涵盖在本发明的范围内。

Claims (7)

1.一种3D打印月骨假体的制备方法，其特征在于，包括以下步骤：
步骤(1)：获取患者手掌CT和MRI数据，导入重建软件中进行三维重建，得到患者掌骨三维模型，
步骤(2)：对所述的三维模型进行计算机模拟复位，并联合健侧数据做对比，得到复位后的月骨图像；
步骤(3)：根据所述的月骨图像，采用设计软件对月骨的尺寸和外形进行设计，得到设计好的月骨数据；
步骤(4)：将所述的月骨数据转换为3D打印机识别的数据，制作月骨模型，并通过所述的月骨模型打印出所述月骨假体。
2.根据权利要求1所述的3D打印月骨假体的制备方法，其特征在于，所述的步骤(1)中，重建软件为DigMed。
3.根据权利要求1所述的3D打印月骨假体的制备方法，其特征在于，所述的步骤(3)中，设计软件为3-Matic。
4.根据权利要求1所述的3D打印月骨假体的制备方法，其特征在于，所述的步骤(3)中，采用设计软件对月骨的外形进行设计还包括设计血管钳孔及穿线孔。
5.根据权利要求1所述的3D打印月骨假体的制备方法，其特征在于，所述的步骤(4)中，采用PLA制作月骨模型。
6.根据权利要求1所述的3D打印月骨假体的制备方法，其特征在于，所述的步骤(4)中，打印方式为采用3D金属打印机打印所述的月骨假体。
7.根据权利要求1所述的3D打印月骨假体的制备方法，其特征在于，所述的步骤(4)中，还包括采用ABS打印机或光敏树脂打印机打印除患者摘除坏死月骨后腕关节模型，作为术前参考。
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CN107616839A (zh) * 2017-11-10 2018-01-23 岳春华 一种基于3d打印重建的皮瓣穿支动脉定位方法
CN110393572A (zh) * 2019-07-30 2019-11-01 西安市红会医院 一种个性化3d打印胫骨高位截骨导板的制备方法
CN113069247A (zh) * 2021-03-18 2021-07-06 重庆熙科医疗科技有限公司 一种新型月骨假体及其设计与制备方法
CN115363829A (zh) * 2022-09-19 2022-11-22 中国人民解放军联勤保障部队第九二〇医院 一种人工月骨假体及其制备方法与夹持工具

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CN102596072A (zh) * 2009-10-13 2012-07-18 生物技术国际股份公司 舟月骨稳定植入物
CN103584930A (zh) * 2013-10-23 2014-02-19 华南理工大学 一种个性化全膝关节植入假体逆向设计与制造方法
CN103919631A (zh) * 2014-04-28 2014-07-16 四川大学 一种颌骨缺损个性化修复体的制备方法
CN104127265A (zh) * 2014-08-08 2014-11-05 上海交通大学医学院附属第九人民医院 应用三维打印技术的网兜式下颌骨内植物
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CN105147341A (zh) * 2015-09-29 2015-12-16 合肥工业大学 一种保留颌骨骨折线的3d模型重构方法
CN105434085A (zh) * 2016-01-11 2016-03-30 王金成 一种3d打印个体化定制全腕关节及其制作方法
CN106073870A (zh) * 2016-05-30 2016-11-09 南方医科大学 一种骨关节面重建3d打印修复植入体的方法

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CN107616839A (zh) * 2017-11-10 2018-01-23 岳春华 一种基于3d打印重建的皮瓣穿支动脉定位方法
CN110393572A (zh) * 2019-07-30 2019-11-01 西安市红会医院 一种个性化3d打印胫骨高位截骨导板的制备方法
CN110393572B (zh) * 2019-07-30 2022-05-10 西安市红会医院 一种个性化3d打印胫骨高位截骨导板的制备方法
CN113069247A (zh) * 2021-03-18 2021-07-06 重庆熙科医疗科技有限公司 一种新型月骨假体及其设计与制备方法
CN115363829A (zh) * 2022-09-19 2022-11-22 中国人民解放军联勤保障部队第九二〇医院 一种人工月骨假体及其制备方法与夹持工具

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