这样的美腿你见过没？还是3D打印的

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                    <p style=""><img src="http://mmbiz.qpic.cn/mmbiz/kFiaamOEjRian1HH0R0eUOoCeBLcQMwLwP8AhIKEgibEZWZ6Aj8JI7ctB2SCxKLuXUNfMEVnjyjE28FWL7b7WmoKQ/0?tp=webp" data-ratio="0.11857707509881422" data-w="" src="http://mmbiz.qpic.cn/mmbiz/kFiaamOEjRian1HH0R0eUOoCeBLcQMwLwP8AhIKEgibEZWZ6Aj8JI7ctB2SCxKLuXUNfMEVnjyjE28FWL7b7WmoKQ/0?tp=webp" style=""  /><img src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6PWBWKOVrPykHzULIOu6Uxh4Z1rJhK3LkDMOIb0V2MiaYbvooxXUy6FKH4eR37ibJlMJAiamZicscAzqw/0" style="margin: 0px 0px 0px -2em; padding: 0px; border: none;" class="" id="c1419516095560" data-ratio="0.5612648221343873" data-w=""  /></p><p style=""><span style="text-indent: 2em;">尽管3D打印正革命化假肢制造，但还未能快速提供低成本的美观假肢。Exo-Prosthetic 假肢或许可以替代传统机器假肢，使用3D扫描和打印技术来制造美观个性的钛金属外骨骼，还可以完全复制截肢部分的外形。</span></p><p style=""><span style="text-indent: 2em;"><br  /></span></p><p style="">仅在美国，就有200多万截肢人士，每年进行18.5万次截肢手术，90%涉及下肢。尽管标准假肢帮助患者们重新获得了大部分自由和肢体功能，但却要在经济上和心理上付出成本。而且它们非常复杂，需要专业工人为每位病人进行定制。外观给人的感觉也很机械，可能加剧一些截肢人士的失落感，对他们的心理健康产生负面影响。</p><p style=""><br  /></p><p style="">得益于 3D 打印，我们见识过了许多低成本假肢，3D打印假肢都具备让更多人获得假肢的潜力。而Exo-Prosthetic假腿也顾及了美观在假肢设计中的重要性，不美观的假腿是过时的，有缺陷的传统生产的产物。</p><p style=""><br  /></p><p style="">Exo-Prosthetic 假腿通过现代技术来理顺制造过程。通过结合3D扫描、建模和打印，整个假肢制造过程可以实现自动化，进而提供可负担的、美观的个性化产品。</p><p style=""><img src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6PWBWKOVrPykHzULIOu6UxhmYyJhHyUDsE3FuzKM2kUOoBDgiaV5bkZls2P4uSEy3f8ibQwYMvicBe4A/0" style="margin: 0px 0px 0px -2em; padding: 0px; border: none;" class="" id="c1419516095561" data-ratio="0.8122529644268774" data-w=""  /></p><p style="">首先，需要扫描患者的残肢和剩余的完整肢体（如果有的话），以便创建高精度的 3D 虚拟模型（精度可达一毫米）。在这个过程中，MIT开发的FitSocket 技术，会捕捉病人的腿部组织特性，以便让假肢更适合残肢及假肢套，进而增加舒适度。</p><p style=""><br  /></p><p style="">完整腿、残腿以及假肢部分的扫描模型会混合成一个 3D 模型，从而制作出假肢的原始模型。</p><p style=""><br  /></p><p style="">完成的模型会发送给一台 3D 打印机用钛金属来打印，钛是一种极其耐用、轻质、生物相容性的金属。钛金属粉会通过激光烧结技术融铸到一起。</p><p style=""><br  /></p><p style="">打印好的 3D 外骨骼可以立即用于组装。通过使用直接 3D 打印在假肢中的定制连接装置，假肢零件可以牢靠地通过标准金字塔连接装置插入Exo 假腿中。</p><p style=""><br  /></p><p style="">为了减轻重量，假肢做成了外骨骼形式。外骨骼的表面可以定制图案和颜色，也可以套上硅胶套。</p><p style=""><br  /></p><p style=""><img src="http://mmbiz.qpic.cn/mmbiz/A1DicCH9Vl6PWBWKOVrPykHzULIOu6UxhL1GxQfckeKRc8yibGGiaALNg1YFmibFg3FZn3ebS2icNiauTPJEiciaKibXVZA/0" style="margin: 0px 0px 0px -2em; padding: 0px; border: none;" class="" id="c1419516095562" data-ratio="0.25889328063241107" data-w=""  /><span style="text-indent: 2em;">和传统假肢的机械外观不同，Exo 假腿采用了截肢人士自己的腿形，希望能在假腿和人之间建立更人性化、更亲密的联系。Exo假腿的下一阶段是开发具备完整功能的原型，并确定构造要求。</span><span style="text-indent: 2em;">（生物谷Bioon.com</span></p><p style=""><img src="http://mmbiz.qpic.cn/mmbiz/rz7R73cuHRrv6jdOCoJeZmYwvEAIoHpY0a7yJL2egiaEokLTpwkIsIRTzTFUic09aEThKHS4hrEcSqU0lAS3tu5g/0" data-ratio="0.14784394250513347" data-w="487" width="auto" width="auto" src="http://mmbiz.qpic.cn/mmbiz/rz7R73cuHRrv6jdOCoJeZmYwvEAIoHpY0a7yJL2egiaEokLTpwkIsIRTzTFUic09aEThKHS4hrEcSqU0lAS3tu5g/0?tp=webp" style="word-wrap: break-word !important; 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