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『大开眼界』真正地360度“无死角”!——下一代SPETCT-CT!

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发表于 2020-10-14 15:05:49 | 显示全部楼层 |阅读模式

                    

                    

                    
                    
                    <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>关注</section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section><p><strong><span>来源:</span></strong></p><p><strong><span><br></span></strong></p><section><section powered-by="gulangu"><section><section><p>SPECT(<span>单光子发射型计算机断层成像</span>)是利用进入人体内的放射性药物以及计算机辅助体层成像技术,以断层的方法将人体脏器和组织的解剖结构和代谢、功能以三维的方式显示出来。</p><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201014/161e2016c16b96c594fc32e8785899c6_2.gif" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br></p><p>SPECT主要由探头、机架、断层床、计算机和光学照相系统组成。探头系统为一旋转型γ照相机,探头围绕轴心旋转360°或180°采集数据。</p><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201014/12b0af766807f512ea50d6057acffac7_3.png" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p>SPECT多年以来并没有太大的变化。双探头的SPECT是目前使最广泛的机型。但使用二个大型扁平探测器从三维人体中获取信号并不是最好的设计。</p></section></section></section><section powered-by="gulangu"><section><section><p><br></p><p>Spectrum Dynamics Medical在北美放射学会(RSNA)2018年会议上展出了一种创新的SPECT-CT核成像系统:<strong>Spectrum Dynamics Veriton SPECT-CT&nbsp;</strong>。</p><p><br></p><p><iframe src="https://v.qq.com/iframe/player.html?width=500&height=375&auto=0&vid=i0815rclpzh&auto=0" width="100%" height="580" frameborder="0"></iframe></p><p><br></p><p>Spectrum Dynamics Veriton SPECT-CT的CT系统有16层、64层、<span>128层三种。</span></p><p>这款新型的SPETCT-CT配置了12个探测器机械臂,通过传感器控制探测器向患者移动,使其在距离患者皮肤几毫米处自动停止,以优化光子计数和SPECT图像质量。<span>它还使用更灵敏的CZT数字探测器,可以实现更快的扫描时间,或者只使用一半的放射性示踪剂量的模拟探测器扫描。下面和一起来看看它是如何颠覆传统的吧!</span></p><p><span><br></span></p><section><section powered-by="gulangu"><section><section><section><section></section><section><section></section><section></section><section></section></section></section><section><p><strong>12个独立的探测器360度扫描</strong></p></section></section></section></section></section><p><strong><span><br></span></strong></p><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201014/db578f948934c9bcc537d4f35b3fc8a2_4.png" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p>Spectrum Dynamics Veriton SPECT-CT 凭借360度探测器覆盖范围和独特的接近传感器,与当前技术相比,其体积灵敏度提高了3倍。</p></section></section></section><section powered-by="gulangu"><section><section><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201014/7cde2a0a0772508c34e3b828c3cc4144_5.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br></p><p>新的VERITON?在设计时考虑了三维人体。它使用12个独立的探测器臂提供360度覆盖。通过用检测器围绕患者,与传统的双头阵列相比,光子检测最大化并且图像质量得到增强。</p></section></section></section><section powered-by="gulangu"><section><section><p><br></p></section></section></section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section></section><section><section></section><section></section><section></section></section></section><section><p><span><strong>多功能扫描</strong></span></p></section></section></section></section></section><p><strong><span><br></span></strong></p><p><span><strong><span>扩大CZT的影响</span></strong></span></p><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p>VERITION?系统通过360度轮廓加工大大减少了患者的扫描时间。 通过SPECT或静态随访检查,与传统的平面研究同时进行两次3D SPECT全身骨扫描。CZT探测器具有较高的光子灵敏度,可以减少核MPI研究中的扫描时间和/或减少剂量。除了3倍体积灵敏度与碘化钠系统相比,还可确保光子捕获和诊断细节。</p><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201014/4609656680bbba9a469b1a12729d930d_6.png" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p><strong>同时双同位素扫描</strong></p><p><br></p><p>CZT探测器可以更精确地采集和校正40-220 keV范围内每种同位素的主峰和散射光峰。从最前沿的研究中可以看出,SDI可能在神经病学,心脏病和感染成像方面具有诊断益处。在一个成像会话中可视化多种生理病理。这允许较少的患者运动和在同一会话中获得的两个不同图像集的精确对准。除了技术优势之外,SDI技术还提供了提高患者满意度和实验室优化的机会,同时减少了扫描时间。</p></section></section></section><section powered-by="gulangu"><section><section><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201014/a2e10106a949397993b4d40d5323b09d_7.png" /></p></section></section></section><section powered-by="gulangu"><section><section><p><strong><br></strong></p><p><strong>动态3D扫描</strong></p><p><br></p><p>VERITON?系统的独特设计允许定量3D SPECT动态成像,应用范围从心脏,冠状动脉血流储备的量化,到示踪剂动力学的可视化。利用此功能等待SPECT成像的新机会。</p><p><br></p><section><section powered-by="gulangu"><section><section><section><section></section><section><section></section><section></section><section></section></section></section><section><p><strong>临床应用</strong></p></section></section></section></section></section><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p><strong>心脏</strong><br></p><p><strong><br></strong></p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201014/81678122e326b9707b8cc06cc68b028d_8.png" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br></p><p>VERITON&nbsp;?&nbsp;采用我们成熟的CZT探测器技术,可实现更好的协议优化。考虑使用如此处所示的标准剂量的高分辨率2分钟MPI采集,或选择显着更低的剂量同时保持短的采集时间。通过扩展示踪剂使用来检查增加未来心脏实践的方法。</p></section></section></section><section powered-by="gulangu"><section><section><p><br></p><p><strong>骨</strong></p><p><strong><br></strong></p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201014/4dc6661ac6f71c77e4304b2271851a10_9.png" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br></p><p>作为临床实践的一个重要组成部分,通过在相同的扫描时间内使用单一且全面的3D SPECT全身采集替换2D平面全身骨扫描,提升您的部门工作流程和临床信心。</p><p><br></p><p><strong>神经</strong></p><p><strong><br></strong></p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201014/6a86a55c6822bdd2a353bb2c8a9fc028_10.png" /></p></section></section></section><section powered-by="gulangu"><section><section><p>VERITON&nbsp;?独有的360°设计产生3倍的体积灵敏度,为PET提供了真正的分子成像替代品。使用更具成本效益的示踪剂结合新的更高分辨率SPECT图像细节来扩展您的核诊断服务。</p></section></section></section><section powered-by="gulangu"><section><section><p><br></p></section></section></section><section powered-by="gulangu"><section><section><p>据了解到,Spectrum Dynamics Veriton SPECT-CT售价相较传统SPECT的要高,目前主要应用于科学研究,希望这种革新技术能够进一步在临床上普及,为人类的健康服务。</p><p><br></p></section></section></section></section><p><strong><span>本文由整理/原创,转载请注明出处。</span></strong></p><p><span>&nbsp;</span></p><section data-id="1658"><section><section><section data-id="1658"><section><section><section data-id="1658"><section><section><section data-id="1658"><section><section><p><span><strong>相关阅读</strong></span></p></section><p><p><img src="image/20201014/ec237188ae1e9c03eb4d9814f31b18ab_11.gif" /></p></p><p><span>盘点“GPSC”在核医学领域的最新战略“武器”!</span><br></p><p><br></p><p><span>2018年全国核医学现状普查:PET/MR 仅9台,PET/CT 298台</span><br></p><p><br></p><p><span>科普动画|MRI、CT、PET分别是怎么扫描图像的?</span><br></p><p><br></p><p><span>了解PET、SPETCT、CT的区别,看这篇就够了</span></p></section></section></section></section></section></section></section></section></section></section></section><p><br></p><p><p><img src="image/20201014/225eae26a91575de7508aebe3e999278_12.jpg" /></p></p>
               
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