即将面世！下一代医学影像设备来了？

admin · 发表于 2020-10-14 12:47:30

                  <section data-role="paragraph" data-color="rgb(182, 228, 253)" data-custom="rgb(182, 228, 253)"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section><p><p><img src="image/20201014/86b79d371e9862b01189f0252a03b2cd_1.png" /></p></p></section><section><section><span><strong></strong></span></section><p><span>医疗器械媒体报道先锋</span></p><p><span>分享专业医疗器械知识</span></p></section><section><section><section><span>关注</span></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section><section data-role="paragraph" data-color="rgb(182, 228, 253)" data-custom="rgb(182, 228, 253)"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section><p><br  /></p><p><span>部分来源：器械汇、万睿视影像</span></p><p><br  /></p></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section><p><span>如果我们讲到“未来派”、“科技感”的医学影像设备，一定要有一个炫酷的外观，并要有远不同于现在任何医学影像设备的，颠覆式的成像模式才能匹配，而<span>以色列初创公司Nanox</span>开发生产的Nanox.ARC成像系统则能够满足我们对“未来影像设备”的一切幻想。</span></p><p><span><br  /></span></p><p><span><video width="100%" height="580" controls="controls"><source src="http://mpvideo.qpic.cn/0bf2umaacaaaauamuqrdwzpfbi6dagrqaaia.f10002.mp4?dis_k=4a0ca159d5c48c32cb3ce02a78c42252&dis_t=1602650849" type="video/mp4"></source></video></span></p><p><br  /></p><p><strong><span>Nanox.ARC成像系统</span></strong></p><p><br  /></p><p><span>Nanox.ARC的外形设计参考了《星际迷航》(Star Trek)电影中的生物床(biobed)，重量只有70公斤，该设备采用纳米技术和半导体组件取代了传统机器中的阴极射线管，故不再不需要加热半导体来进行扫描。所以也无需冷却，因此减少了很多电力需求。</span></p><p><span><br  /></span></p><p><span><p><img src="image/20201014/e01d98bed246e34ac6d77e613dd59f56_2.png" /></p></span></p><p><span><br  /></span></p><p><br  /></p><p><span>Nanox.ARC使用固定球管和更紧凑、更便宜的数字系统，唯一移动的部件是一个支撑X射线环的机架，它横向移动穿过患者的身体。X射线环上的X射线管使用一个阴极射线管和一个阳极来产生图像。阴极射线管向阳极发射电子，阳极捕获电子并引导电子指向被扫描的物体。</span></p><p><br  /></p><p><p><img src="image/20201014/81b616fc22ba51407f47aa151cbf5996_3.gif" /></p></p><p><br  /></p><p><span>Nanox的场效应阴极技术(field effect cathode technology)最初是为高清平板显示器开发的。随着时间的推移，制造工艺从玻璃变成了硅，使得功率密度(power density)和均匀性(uniformity)大大提高。</span></p><p><br  /></p><p><span>Nanox的冷阴极技术(cold cathode technology)极大地扩展了X射线成像的能力。这种高性能冷阴极的核心是一个纳米级结构的“芯片”(chip)，它利用独有的纳米制造(nano fabrication)技术制成。该芯片旨在支持医学成像的各种使用情况，并将由外部技术提供支持，得以让其优势转化为各种实际应用。</span></p><p><br  /></p><p><span>此外，Nanox.ARC</span><span>需要配合专用软件Nanox.Cloud使用。该系统可提供端到端的医学成像服务，包括图像存储库、匹配放射学家、线上和线下诊断回顾和解释、连接诊断辅助人工智能系统、计费以及报告。</span>这也是<span>Nanox公司颠覆性的商业模式的基础。</span></p><p><span><br  /></span></p><p><span>2020年2月，Nanox公司与西门子医疗投资的USARAD公司合作，时既采用了“图像即服务”(imaging-as-a-service)的新型盈利模式——将Nanox.ARC 免费提供给医疗中心和诊所，只有当这些机构使用机器扫描时才需要付费。</span></p><p><br  /></p><p><strong><span>瓦里安纳米球管衍生技术设想</span></strong></p><p><br  /></p><p><span>无独有偶，万睿视（原瓦里安）旗下的德国合资子公司VEC Imaging Gmbh于2019年RSNA发布<span>纳米级新型多射线束弯曲阵列球管——NT-2518C</span>时，也提出过类似Nanox.ARC的设想。</span></p><p><br  /></p><p><p><img src="image/20201014/79fd917858b8728032ed88a9ee89481c_4.jpg" /></p></p><p><br  /></p><p><span>在VEC的计划中，NT-2518C纳米球管倾向应用于乳腺机，因为该球管采用的是多束场发射纳米灯丝（Multibeam Field Emission Cold Cathode Nanotube Emitter）技术，这种纳米灯丝阵列的应用，使得X射线球管非常适用于乳腺机。</span><span>与传统的3D乳腺机相比，它无需传统乳腺机的机架和球管的旋转，只需按顺序激发每个纳米灯丝发射出电子束即可完成扫描，大大缩短了乳腺3D扫描时间。</span></p><p><br  /></p><p><span><br  /></span></p><p><span><p><img src="image/20201014/e44308c13e62fdb1cad5bab35c4baeab_5.jpg" /></p></span></p><p><span><br  /></span></p><p><span>此外，固定球管的结构减少了由于球管旋转和患者运动造成的运动伪影，极大地提高了成像质量，因此NT-2518C纳米球管也能适应轻便式CT以及其他医学成像应用，比如如同Nanox.ARC一样的环状机架扫描结构的医学影像产品。</span></p><p><br  /></p><p><p><img src="image/20201014/b0836cab68a04b0164a0565a8db239cd_6.jpg" /></p></p><p><br  /></p><p><span>单环结构的医学影像产品或许是业内比较有共识的下一代产品设计，此前GE北京科技园的未来展厅中也曾展出过类似的“未来CT”产品。<br  /></span></p><p><br  /></p><p><video width="100%" height="580" controls="controls"><source src="http://mpvideo.qpic.cn/0b78cyaacaaaeaaptstjnfpfafwdaelaaaia.f10002.mp4?dis_k=36bfd98d645dba89f1598a8cf966f0d8&dis_t=1602650849" type="video/mp4"></source></video></p><p><br  /></p><p><span>国内开发的高端CT产品中，也能看到类似的设计，甚至会把“圆环”应用的更加“灵活”。如赛诺威盛研发的InsitumCT Zero，有超大孔径多种自由度组合，可实现水平和垂直等多种扫描模式，可移动的环状扫描装置能够给临床带来更多可能。</span></p><p><span><br  /></span></p><p><p><img src="image/20201014/e1cc7e7d897bc1c48cdf56d415803827_7.jpg" /></p></p><p><br  /><span></span></p><p><span>看过介绍，各位看官认为Nanox.ARC这种结构的设备，会是未来医学影像设备的主流发展方向吗？上市后又会有怎样的表现呢？我们拭目以待。</span></p><p><br  /></p><section data-role="outer" label="Powered by gulangu"><section data-role="paragraph" data-color="#757576"><section data-role="paragraph"><section><section><section data-brushtype="text"><strong>相关阅读</strong></section></section></section><section><section><br  /></section></section><section data-width="100%"><section><section><section><section data-width="100%"><section data-tools="gulangu" data-id="87578" data-color="#6aa9ad" data-custom="#59c3f9"><section><p><img src="image/20201014/2aac877ff9233ba5a66e7a5ff3a4febf_8.gif" /></p></section><section data-brushtype="text">戳一下，更有料！</section></section><section data-tools="gulangu" data-id="87578" data-color="#6aa9ad" data-custom="#59c3f9"><br  /></section><section data-tools="gulangu" data-id="87578" data-color="#6aa9ad" data-custom="#59c3f9"><a target="_blank" 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