脑机接口商业化提速，一项中国团队研究成果登上《自然》子刊

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中国青年报客户端北京2月7日电（中青报·中青网见习记者 陈宇龙 记者 王聪聪）记者今天获悉，北京脑科学与类脑研究所资深研究员、智冉医疗创始人方英领衔的科研团队成功研制出一款兼具高通量信号采集与生物力学顺应性的可拉伸柔性电极，该技术突破了脑机接口技术中传统柔性电极在应对大脑动态运动时易移位、易脱出的核心瓶颈，为侵入式脑机接口技术长期稳定性提供了底层解决方案。这项突破性成果于2月5日在国际学术期刊《自然·电子学》（《Nature Electronics》）发表。

高通量可拉伸柔性电极示意图。受访者供图

　　我国“十五五”规划建议将“脑机接口”列为前瞻布局的未来产业之一。据中国信息通信研究院测算，目前我国脑机接口企业总量已突破200家，预计2030年，中国脑机接口产业市场为100亿-140亿元。在相关技术的持续突破下，我国脑机接口商业化进程在不断提速。

　　日前，脑机接口公司Neuralink将于今年启动设备量产的消息，引发国际上对脑机接口商业化进程的关注。Neuralink于2024年初完成首例人体植入后不久，高达85%的柔性电极丝从该患者的脑组织中脱出，其根源直指侵入式脑机接口的共性难题——面对大脑的动态运动，传统的线性电极无法实时地顺应脑组织的变化，因此容易发生电极移位甚至从脑组织中脱出。

　　为解决这一困扰行业的难题，方英团队提出一种新型的高通量“可拉伸”电极架构，其不仅可动态跟随大脑运动，且其拉伸所需力度仅为Neuralink线性电极的1/100，这意味着可拉伸柔性电极对脑组织的机械损伤更低，从根源上避免了传统线性电极引发的免疫反应和胶质斑痕。

　　该团队介绍，目前已成功研制出基于可拉伸柔性电极的高通量无线侵入式脑机接口系统，该系统通过优化脑机接口系统的生物相容性与信号传输带宽，可有效提升信号的长期稳定性和解码精度。vk.com/topic-236142620_56905960

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