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<section data-color="rgb(182, 228, 253)" data-custom="rgb(182, 228, 253)"><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section data-color="rgb(182, 228, 253)" data-custom="rgb(182, 228, 253)"><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><section><p><p><img src="image/20201014/86b79d371e9862b01189f0252a03b2cd_1.jpg" /></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"><section data-tplid="89781" data-tools="gulangu"><section data-tools="gulangu" data-id="95298"><section><section><section><span></span></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><section><section><section data-width="100%"><section><br /></section><section><p><img src="image/20201014/90e22c31b831f8ccf228d0bd372f8eee_2.png" /></p></section><section><br /></section><section><span>原文来源：医工研习社 较原文有修改<br /></span></section><section><br /></section><section><span>1971年9月，英国电子工程师亨斯菲尔德发明CT，并凭借这一成就获得了1979年的诺贝尔医学奖。近50年来，CT也在经历不断的进化，先后已有5代产品。<strong>但出于成本考虑，目前临床应用最广泛的还是3代机。</strong></span></section><section><br /></section><section powered-by="gulangu"><section><p><img src="image/20201014/6a6c8a586e5f294425e24e084a4c321f_3.png" /></p></section></section><section powered-by="gulangu"><p><br /></p><p><span>如今，<strong>机架转速，探测器宽度，图像质量等指标都在一步步走向极致</strong>，至于又将发展到何方，以目前来看，双能量、低剂量或许是未来。</span></p><p><br /></p><p><span>评价一款CT，通常由参数性能、稳定性及用户体验三个方面来判断。业内人士多半认为，参数性能方面在判断中占据大概占70%的比重，也比较好判断；稳定性，和用户体验各占15%的比重，靠工程师和技师来判断，人为判断多少会带有一定的主观色彩，而且影响因素太多，比如产品批次、操作规范、维护保养、机房环境以等等。因此，采购CT时，<strong>最重要的评价指标还是性能参数，其他设备也一样。</strong></span></p><p><br /></p><p><span>那么，目前市场上最好的CT产品参数相比之下，哪台更加出色？研习社根据各厂家的datasheet整理了CT5大品牌——GE、飞利浦、西门子、佳能和国内巨头联影目前最顶级的CT参数，并做予以横向对比。从对比中，也可以在某种程度上看出CT发展的端倪，接下来我们先来简单看一看5款“参赛产品”。</span></p><p><span><br /></span></p><p><span><strong><span>GE Revolution<br /></span></strong></span></p><p><span><br /></span></p><p><p><img src="image/20201014/aa3c3e6c80451e7cafb34ef248aac7ab_4.jpg" /></p></p><p><br /></p><p><span>Revolution CT融合了宽体探测器、超高时间分辨率、能谱成像三大顶级技术，为患者带来精准、舒适、安全的CT检查新体验。并融合当今CT领域顶尖科技于一身，打造了CT覆盖范围、速度、图像质量、辐射剂量和扫描舒适性的业界新典范，建立了心血管、神经、肿瘤、呼吸系统、泌尿系统及骨科专业等疾病的成像和低剂量筛查领域全新标准，大幅提高医疗效率和患者体验，有效协助医生进行精准诊断和应对重疾挑战。</span></p></section><section><br /></section><section><span><strong><span>飞利浦IQon Spectral</span></strong></span></section><section><br /></section><p><p><img src="image/20201014/732e2ccc041adaf3b2da592ca702f3ff_5.jpg" /></p></p><section><br /></section><section><span>IQon Spectral光谱CT采用具有复式结构、光谱分离功能的双层探测器。探测器可以将X射线光子按照能量大小进行识别区分。顶面探测器用于识别吸收低能量光子，而底面探测器则识别吸收高能量光子，实现了光谱CT在一次扫描过程中高低能量数据的解析拆分。发挥出能谱技术的独特作用。实现全新的多参数评估CT诊断新模式。</span></section><section><br /></section><section><span><strong><span>西门子 SOMATOM Force<br /></span></strong></span></section><section><br /></section><p><p><img src="image/20201014/756d20c88f5afee643292d0afe912789_6.jpg" /></p></p><section><br /></section><section><span>SOMATOM Force开源CT革新了球管、高压发生器、探测器、数据采集系统、重建系统等一系列影像链，定义了一个无与伦比的 CT 性能等级，开辟了全新的CT影像时代，可以做到更快、更宽、更能、更低。</span></section><section><span><br /></span></section><section><span><strong><span>佳能 Aquilion ONE</span></strong></span></section><section><span><br /></span></section><p><p><img src="image/20201014/87a7711b63b0b84c6576865f074ec804_7.jpg" /></p></p><section><br /></section><section><span>Aquilion ONE320排动态容积CT是佳能医疗在收购东芝医疗后获得的产线，全球唯一能够真正实现动态容积扫描成像的超高端CT，具有成像时间更短、图像质量更高、检查结果更准、X线剂量更低等优势，320排CT筛查心脑血管病具有治未病和预警的功能。对确定有无心脑血管病、明确病变性质和成因、指导预防和治疗这类疾病、介入治疗术前策略的选择均有很大的帮助。</span></section><section><br /></section><section><span><strong><span>联影 uCT 960+</span></strong></span></section><section><span><strong><span><br /></span></strong></span></section><p><img src="image/20201014/d290f49b9ca101eb2a85261c5ba77fc0_8.jpg" /></p><section><br /></section><section><span>uCT 960是联影十三五国家重点项目“数字诊疗装备研发专项”的重大成果，搭载的320排宽体“时空探测器”可实现单圈轴扫16厘米的覆盖范围，结合0.25秒的超高转速，可在单圈的采集时间内获得全覆盖、超高时间分辨率、高分辨率、高对比度和低剂量的冠脉图像。不仅如此，TA还搭载RIO 全域成像平台，可最大限度利用原始数据，还原本真图像，保证了在图像噪声大幅降低的同时，最大限度的恢复图像中的细节信息。</span></section><section><br /></section><section><span><strong><span>参数对比</span></strong></span><br /></section><section><br /></section><section><span>最后是重头戏，5款CT的性能参数横向对比。</span></section><section><br /></section><p><p><img src="image/20201014/24688425aa7b50de154ec9d5f9676118_9.jpg" /></p></p><section powered-by="gulangu"><section><p><img src="image/20201014/a4e479239b110feed8ca5af87bd4a436_10.png" /></p></section><br /></section><section powered-by="gulangu"><section><p><img src="image/20201014/442a526323786a3703e065cfb356e19a_11.png" /></p></section></section><section><br /></section><p><a data-miniprogram-appid="wx3f7725264fadd6b7" data-miniprogram-path="pages/index/index" data-miniprogram-nickname="医启播健康直播" href="" data-miniprogram-type="image" data-miniprogram-servicetype="" href=""><p><img src="image/20201014/f47af15de56affc7ada77ae2732f3f2c_12.png" /></p></a></p><p><br 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发表于 2020-10-14 10:08:54