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打破国外垄断 中国自主研发的心血管OCT系统有何“绝活”?

2020-07-22 中国新闻网 中国新闻网

在这场“2020心脏影像及心脏干预大会”上,中国科研人员历时8年自主研发的“心血管OCT(光学相干断层造影术)系统”正式上市,打破了此类产品长期被国外产品垄断的局面。

过去20年,中国PCI手术量激增,2019年已经突破百万例,精准治疗迫在眉睫,腔内影像技术可为PCI手术进行准确评估,让病人得到最有效的治疗。”中国科学院院士葛均波教授近日在一场线上发布会上说。

PCI即冠状动脉介入手术,也被称为心脏支架手术。在这场“2020心脏影像及心脏干预大会”上,中国科研人员历时8年自主研发的“心血管OCT(光学相干断层造影术)系统”正式上市,打破了此类产品长期被国外产品垄断的局面。

国产心血管OCT系统从何而来?

中国人民解放军总医院研究生院院长兼心血管病医学部主任陈韵岱教授介绍,微光心血管OCT系统是中国科学院西安光机所孵化及重点扶持项目。微光医疗研发领军人物朱锐博士、李嘉男博士、曹一挥博士,分别在OCT系统研发及医学影像智能分析研究方面颇有建树,他们组成的团队早在2013年就成功研发出心血管3D—OCT,又经过7年时间的工程化及临床注册。

陈韵岱教授说,在研发过程中,研发人员不断与临床专家沟通了解手术医生的操作思维及习惯,使用体验及手术需求;创新性地开发出OCT-Angio系统、分叉病变量化评估系统、可降解生物支架自动分析功能、一键分享等多项更智能的科研功能。

“微光医疗心血管OCT系统拥有独特的Pencil-beam技术,成像深度优于进口同类产品。在图像深度和细节方面,尤其智能服务软件有一定的优势。”她说。

国产心血管OCT系统有何绝活?

会上,中国人民解放军心血管病医学部两位专家用实际病例展现了其成像效果及创新功能。其中,金琴花介绍微光OCT指导处理分叉病变和置入可降解支架两个病例时说,该设备可以通过3D重构计算分支开口面积优化分叉治疗策略,可以精准指导可降解支架置入过程中PSP技术的应用;高磊以微光OCT指导支架内再狭窄合并重度钙化病变的病例为例说,OCT在钙化病变厚度和支架内新生斑块性质的分析相比IVUS更有优势,微光OCT的成像导管在通过性方面也很顺畅。

专家称,微光OCT成像导管光纤探头的稳固性很好,在临床试验各种病变应用中未出现光纤探头断裂的现象。“该设备科研分析功能的分叉及对角度的测量、对分支面积的测量,在进口的最新OCT机子上是测量不到的。”来自江西省人民医院的曾洪教授说。

此外,该设备中文操作界面简洁易用,遵循OCT操作七步法,符合中国医生操作思维。

国产心血管OCT系统后续计划

微光医疗创始人朱锐表示,将继续深耕介入腔内影像技术的研发与创新,深入贯彻医工融合的创新理念,将产品做精做细,积极推动高端医疗器械的国产化。

他和团队正在打造新一代的多模态融合(四合一)腔内影像系统,将更易用、更智能,计划在2021年推出。

首都医科大学附属北京安贞医院常务副院长周玉杰说,微光OCT虽然起步晚,但起点高,从一开始就克服了一些弱点。与会者亦期待在高端医疗器械领域有更多国产制造实现弯道超车,以更精准的影像指导、更低廉的价格支出、更智能的手术方式,让更多冠心病患者得到更精准的诊断及治疗。(完)

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    2021-06-13 habb
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    2020-07-24 heli0118
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