Workflow
共生型自供电无导线心脏起搏器
icon
Search documents
【人民日报】共生型自供电无导线心脏起搏器研发成功
Ren Min Ri Bao· 2026-02-02 03:28
测试显示,此次研发成功的器件,其输出功率已突破起搏器终身运行的临界能量阈值,可稳定驱动 起搏电路,精准调控心脏节律。同时,高度微型化设计兼具优异的生物相容性与血液相容性,支持经导 管微创植入,降低了手术创伤;创新设计的极简磁悬浮能量缓存结构,不仅减少能量损耗、机械摩擦, 还实现近零启动阈值、高动能转换效率及稳定的心内平均输出功率,简化系统复杂度,提升了设备的长 效稳定性。 (原载于《人民日报》 2026-01-31 06版) 历经近7年联合攻关,中国科学院大学、清华大学、北京纳米能源与系统研究所、阜外医院、北京 大学等多家单位组成的研究团队,成功研发出胶囊尺寸的微型共生型自供电无导线心脏起搏器。该器件 可通过电磁感应技术,从心脏自身跳动中捕获动能,将其转化为电能。 现实中,植入式设备电池耗尽后,心脏病患者须接受二次手术更换设备。这种手术创伤不仅超过首 次植入,还会带来医疗风险、经济压力,长期困扰医患。因此,实现"终身免维护运行"成为植入式电子 设备领域的追求目标。而满足终身服务所需的临界能量供应是主要技术瓶颈。 研究团队于2019年提出"共生生物电子"理念,并成功研制共生型心脏起搏器。此后,该理念的应用 边界 ...
【科技日报】不用换电池的无导线心脏起搏器研发成功
Ke Ji Ri Bao· 2026-01-22 02:11
Core Insights - A new type of cardiac pacemaker has been developed that generates its own power from the heart's movements, potentially eliminating the need for battery replacements and allowing for "one-time implantation and lifelong use" [1][2] Group 1: Innovation and Technology - The core innovation of the pacemaker is its efficient energy self-generation system, functioning like a miniature "generator" that collects energy from the heart's low-frequency movements through electromagnetic induction [2] - The device can produce up to 120 microwatts of power, exceeding the 5-10 microwatts required for continuous operation, ensuring stable heart rhythm control [2] - The pacemaker is capsule-sized, biocompatible, and can be implanted via minimally invasive techniques, significantly reducing surgical trauma [2] Group 2: Research and Testing - The research team conducted a month-long continuous test of the pacemaker in pigs with severe arrhythmia, demonstrating its ability to maintain normal heart rhythms solely from the energy harvested from heartbeats [2] - The innovative design includes a unique magnetic suspension energy storage structure that minimizes energy loss and friction, enhancing the device's reliability for long-term use [2]
【光明日报】终身免维护心脏起搏器问世
Ke Ji Ri Bao· 2026-01-22 02:11
对于成千上万的心脏病患者来说,植入心脏起搏器是维持生命节律的重要方式。这类植入式电子设 备不仅能调节心律,还能帮助恢复运动、视觉、听觉等功能,在疼痛管理、疾病监测等方面扮演着关键 角色,极大提升了患者的生活质量。 该起搏器设计极度微型化,生物相容性优异,可通过微创导管经股静脉植入心脏内部,大大降低了 手术创伤。"我们还设计了磁悬浮能量缓存结构,大幅减少能量损耗和内部摩擦,实现高效稳定的能量 转换,也让设备运行更加持久可靠。"欧阳涵说。 令人欣喜的是,这项技术在国家心血管病中心动物实验中心完成动物实验验证。在研究团队构建的 心律失常猪模型中,这款共生型起搏器完全依靠心脏跳动自主供能,成功进行了为期一个月的持续运行 测试,全程稳定发挥起搏功能,有效调控了实验动物的心律。 这一突破意味着,未来心脏起搏器的使用寿命有望延长至与人的自然寿命同步,从而让患者彻底告 别二次手术的痛苦——这不仅为心脏病治疗带来革命性的可能,也为所有植入式电子设备迈向真正 的"终身免维护"与"人机共生"时代开辟了一条全新道路。 (原载于《光明日报》 2026-01-22 08版) 然而,一个长期难题始终悬在患者心头:起搏器里的电池会用完。一旦 ...
不用换电池的无导线心脏起搏器研发成功
Ke Ji Ri Bao· 2026-01-22 00:24
Core Insights - A new type of cardiac pacemaker has been developed that generates power from the heart's movements, potentially eliminating the need for battery replacements and allowing for "one-time implantation and lifelong use" [1][2] Group 1: Innovation and Technology - The core innovation of the pacemaker is its efficient energy self-generation system, functioning like a miniature "generator" that collects energy from the heart's low-frequency movements through electromagnetic induction [2] - The device can produce up to 120 microwatts of power, exceeding the 5-10 microwatts required for continuous operation, ensuring stable heart rhythm regulation [2] - The pacemaker is designed to be capsule-sized, biocompatible, and can be implanted via minimally invasive techniques, significantly reducing surgical trauma [2] Group 2: Research and Testing - The research team conducted a month-long continuous test of the pacemaker in pigs with severe arrhythmia, demonstrating its ability to maintain normal heart rhythms solely from the energy harvested from heartbeats [2]