赛诺联合医疗:自主研发核心器件,助力国产PET/CT 突破“卡脖子”瓶颈

2021-01-04 张靖 动脉网

医学影像发展至今,已涌现出US、DR、CT、MRI等各种诊断产品。其中,PET/CT检查设备发展史相对较短,于2001年才开始应用于临床工作,属于高端大型医疗设备。经过多年临床应用,越来越多的医生开始

医学影像发展至今,已涌现出US、DR、CT、MRI等各种诊断产品。其中,PET/CT检查设备发展史相对较短,于2001年才开始应用于临床工作,属于高端大型医疗设备。经过多年临床应用,越来越多的医生开始认可PET/CT的临床价值。目前,PET/CT已成为全球发展最快的检查设备之一。

PET/CT是将PET与CT完美融合,由PET提供病灶详尽的功能与代谢等分子信息,由CT提供病灶的精确解剖定位。两者结合后,患者仅需一次显像即可获得全身各方位的断层图像,实现早期发现病灶和诊断疾病的目的。

目前,PET/CT仍被GPS(GE、飞利浦、西门子)等跨国企业垄断,国产企业市场占有率较低。另外,PET/CT的核心零部件被国外企业把控,难以实现自主。

值得庆幸的是,国内一批企业专注自主研发,目前已推出多项重磅成果。赛诺联合医疗正是其中的佼佼者。

赛诺联合医疗成立于2011年,是一家高端医疗设备制造商和创新服务供应商。赛诺联合医疗依托清华大学,专注研发PET/CT及其核心零部件,通过提供创新的医疗服务解决方案整合优质医疗资源,缓解国内医疗资源分布不均衡等问题。目前,赛诺联合医疗已主导4项国家级和省级重大科研项目,获得自主知识产权百余项。

12月19日,赛诺联合医疗在2020年核医学分子影像新技术交流会上发布了一项重要成果:赛诺联合医疗自主研发的PET/CT已率先实现200皮秒量级飞行时间技术,并已获得检测机构认证。

飞行时间技术是PET/CT重要的标志性技术,这一技术的进步将推动PET/CT实现更快扫描、更低的注射药量、更高的图像信噪比、更好的图像分辨率,进而提高小病灶的定位精度、优化PET临床图像的效果。

赛诺联合医疗公司副总经理李俊亿表示:“作为国内首家推出飞行时间技术的PET/CT厂家,赛诺联合医疗此次在飞行时间技术上的重大突破,与我们在芯片国产化等核心技术上取得的成果密不可分。”

赛诺联合医疗为何可以率先推出飞行时间技术?创业十年,赛诺联合医疗还有哪些成就?其研发的PET/CT有何优势与特色?为了解以上问题,动脉网专访了赛诺联合医疗副总经理李俊亿。

优秀团队专注研发,首创多项技术

从成员构成即可看出赛诺联合医疗是一家研发型企业:其60%的成员拥有硕士以上学历,20%的成员拥有博士学历,76%的成员拥有临床医学背景。

李俊亿介绍:“公司团队成员主要来自清华大学、华盛顿大学、伊利诺伊大学、北京理工大学、GE医疗、飞利浦、西门子等著名高校或知名企业,均具有深厚的行业背景和深刻的行业洞察。另外,我们团队具有极强的稳定性,团队中大约80%的技术骨干已在公司任职超过8年。”

除此之外,赛诺联合医疗与北京协和医院、清华大学合作,搭建“产、学、研、医”创新转化合作平台。通过自主研发,赛诺联合医疗曾首创多项技术并被主流厂商跟随模仿。例如,赛诺联合医疗首创自由呼吸成像技术,使PET/CT设备无需外接呼吸门控装置,即可在受检者自由呼吸状态下全自动捕捉病灶运动轨迹;首创无源质控技术,告别有源质控时代……目前,赛诺联合医疗的多项首创技术已被国际主流厂商跟随模仿,成为主流关键技术。

通过技术创新,赛诺联合医疗积累了百余项知识产权,并已推出多款完全自主知识产权PET/CT。

助推PET/CT核心器件国产化,国产高端PET/CT亮相交流会

近年来,研究突破关键核心技术、实现核心器件自主可控、加快补齐我国高端医疗装备的短板,已越来越成为业界、学界和管理部门的共识

李俊亿认为:“国产医疗器械基本实现了初期的整机国产化、中期的主要部件国产化,但核心器件的国产化还有很长的路要走。”

例如,高端PET/CT拥有两大重要核心器件:快速闪烁晶体与硅光电倍增器(SiPM)及其信号读出芯片。其中,国内快速闪烁晶体生产厂商已经打破国外技术垄断,产品实现了完全国产化,甚至出口国外;而硅光电倍增器(SiPM)及其信号读出芯片被国外“卡脖子”的情况一直没有改善。

面对这一困局,赛诺联合医疗迎难而上,在国家科技部专项支持下作为牵头单位联合北京师范大学、清华大学、北京友谊医院、辽宁省医疗器械检验检测院等机构展开研发攻关。

李俊亿表示:“经过数年研发,我们终于实现了硅光电倍增器(SiPM)及其信号读出芯片的国产化,完成器件量产,并通过了PET/CT整机性能测试。这项重大技术突破,意味着我国高端PET/CT设备将不再受制于国外技术垄断,对于我国高端医疗装备实现进口替代、高端医疗装备实现自主可控具有战略意义。”

在此次“2020 年核医学分子影像新技术交流会”上,赛诺联合医疗发布了即将上市的高端PET/CT产品。值得一提的是,该设备是在国产SiPM及其芯片的基础上实现200皮秒量级别飞行时间。

北京医院核医学科姚稚明主任表示:“赛诺联合医疗实现的200皮秒量级飞行时间技术,将为PET/CT临床图像带来本质性提升,真正为临床诊断与科研带来巨大价值,将为核医学高质量诊断提供有力技术支撑。”

PET/CT作为功能影像诊断利器,对于小病灶的成像与诊断率一直是业界关注的焦点,飞行时间技术(TOF)能够提高小病灶的定位精度、优化PET临床图像的效果,对于临床诊断的意义非常大。

事实上,飞行时间每提高1皮秒 ,难度都会呈现几何级数增加。因此,飞行时间的优劣成为了衡量PET/CT性能的黄金标准。此次赛诺联合医疗发布的200皮秒量级别飞行时间参数,是国内首款达到该级别飞行时间的PET/CT。

中国医学装备协会核医学分会主委李方主任表示:“赛诺联合医疗此前推出的PET/CT产品,其设备性能和可靠性都得到了医院科室的认可,希望即将推出的新一代国产高端PET/CT能为中国核医学临床科研工作带来更多帮助。”

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    2021-09-04 feather89
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    2021-01-06 lqvr
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    2021-01-04 ms7000001341904119

    很好的东西

    0

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