卧式脑磁成像设备

卧式脑磁成像设备

依托超高灵敏极弱磁测量技术,动态监测大脑神经活动信号,集成视觉、听觉等多种刺激范式,通过自研脑磁软件支持范式编程与源定位分析,实现脑功能的无创可视化诊断。受检者以卧姿完成检测,适配院内标准检查流程。

注册证编号
浙械注准20252071614
入选项目
2025 年高端医疗装备推广应用项目
传感器灵敏度
≤10 fT/Hz½
探头数量
64 路 / 128 路

核心技术原理

三大核心技术,精准捕获极弱脑磁信号

量子磁强计

搭载基于无自旋交换弛豫(SERF)效应的阵列式量子磁强计,无需液氦冷却,可在室温环境下工作。其磁场灵敏度优于 10 fT/√Hz,能够捕捉到大脑磁场中极细微的异常波动。多通道的阵列式布局,实现大脑磁场的空间全覆盖。

磁屏蔽系统

依托多层高导磁复合腔体构造,结合主被动补偿技术,隔绝环境中的复杂电磁干扰,在受检者头部构建一个近"零磁"空间,确保极弱脑磁信号的纯净度,保证数据的精准与可重复性。

智能成像与 AI 辅助分析

采集到的多通道磁场数据,通过先进的信号处理与逆问题求解算法,自动生成等磁图、电流密度分布图。内嵌的 AI 辅助分析系统,可自动识别异常电活动区域,辅助医生快速定位癫痫放电灶、脑功能区病变等。

核心优势

室温运行,毫秒级时间分辨率与毫米级定位

毫秒级时间分辨率

捕捉以毫秒为单位的神经电活动,精确追踪大脑的实时动态反应过程。

毫米级空间分辨率

可将神经信号源定位到 2-3 毫米的精度范围,显示精确位置。

完全无创无辐射

检查过程不需要注射药物或暴露于电离辐射,适用所有年龄段人群。

信号高质无失真

贴近头皮,捕捉不被生物组织干扰的磁信号,反映大脑的本源活动。

应用及拓展领域

覆盖全生命周期的脑健康场景

脑发育评估

癫痫病灶定位、儿童脑发育状态评估

精神疾病

认知任务中脑网络异常、阐明疾病神经机制

意识评估

麻醉状态下意识评估、麻醉深度监测

神经退行性疾病

探索帕金森病早期机制、退行性疾病早诊早治

脑卒中

脑卒中早诊早治、脑卒中生物标志物

脑机接口等前沿探索

基于脑磁的高性能脑机接口、脑磁在脑机接口的优势探索

临床案例

真实院内检测案例,验证脑磁诊断价值

融合脑磁与脑电的稳态视觉诱发场脑机接口研究 · 脑机接口流程示意图

融合脑磁与脑电的稳态视觉诱发场脑机接口研究

基于脑磁(OPM-MEG)— 脑电(EEG)多模态脑机接口,以稳态视觉诱发响应(SSVER)为任务。同步采集脑磁与脑电信号,通过集成任务相关组件分析(eTRCA)算法深度解码并提取特征,构建了针对脑磁和脑电的融合框架模型,精确识别不同频率的视觉刺激。结果有效提升了系统的解码性能与信息传输率(ITR),为健康监测和神经康复提供了具有极大潜力和实用价值的脑机接口途径。混合(融合)脑机接口的平均准确率达到了 99.72%,且纯脑磁信号在平均准确率、信息传输率、信噪比以及高频响应特征上均优于纯脑电信号。

团队发表文章

脑磁图(OPM-MEG)相关领域专业文章

01

Passive OPM-MEG paradigm reveals altered brain network organization in children with DLD.

Liang A, et al. (2026). iScience.

02

Source Extent Estimation in OPM-MEG: A Two-Stage Champagne Approach.

Li W, et al. (2025). IEEE Trans Med Imaging.

03

Optical Co-Registration Method of Triaxial OPM-MEG and MRI.

Cao F, et al. (2023). IEEE Trans Med Imaging.

04

Motion Artifact Suppression Method Based on Dynamic Background Field Adaptive Filtering for Wearable OPM-MEG.

Wang C, et al. (2025). IEEE Trans Instrum Meas.

05

Vector fitting-based full-bandwidth crosstalk suppression in triaxial optically pumped magnetometers.

Liu Z, et al. (2025). Measurement.

06

Gradient phase and amplitude errors in atomic magnetic gradiometers for biomagnetic imaging systems.

Yuan Z, et al. (2024). iScience.

07

Expanding the clinical application of OPM-MEG using an effective automatic suppression method for the dental brace metal artifact.

Wang R, et al. (2024). Neuroimage.

08

Effects of Different Head Models in Wearable OPM-MEG.

Cao F, et al. (2022). IEEE Trans Instrum Meas.

09

Source Imaging Method Based on Spatial Smoothing and Edge Sparsity (SISSES) and Its Application to OPM-MEG.

Li W, et al. (2025). IEEE Trans Med Imaging.

10

Source imaging method based on diagonal covariance bases and its applications to OPM-MEG.

Li W, et al. (2024). Neuroimage.

11

Repairbads: An automatic and adaptive method to repair bad channels and segments for OPM-MEG.

Wang F, et al. (2025). Neuroimage.

12

Extended homogeneous field correction method based on oblique projection in OPM-MEG.

Wang F, et al. (2025). Neuroimage.

13

Spatial resolution of low-density OPM-MEG: a comparative analysis with high-density EEG.

Gao Z, et al. (2025). IEEE Trans Instrum Meas.

14

Performance Evaluation of Interference Removal Methods Based on Subspace Projection With Wearable OPM-MEG.

Wang R, et al. (2024). IEEE Trans Instrum Meas.

15

Design and optimization of bi-planar coils for active magnetic compensation system inside the mini-magnetically shielded room.

Tian K, et al. (2025). IEEE Trans Ind Electron.

16

Modeling and Application of Magnetic Shaking for Improving Permeability and Performance of Magnetic Shields.

Yang J, et al. (2024). IEEE Trans Ind Electron.

17

A Magnetic Compensation System Composed of Biplanar Coils Avoiding Coupling Effect of Magnetic Shielding.

Han B, et al. (2023). IEEE Trans Ind Electron.

18

Phase Synchronization-Based Commutation Error Correction Method for Position Sensorless Brushless DC Motor.

Zhang H, et al. (2024). IEEE Trans Ind Electron.

19

Dual-Axis Closed Loop of a Single-Beam Atomic Magnetometer: Toward High Bandwidth and High Sensitivity.

Tang J, et al. (2021). IEEE Trans Instrum Meas.

20

Analysis and suppression of the three-axis crosstalk effect in the modulated SERF atomic magnetometer.

Li L, et al. (2023). Measurement.

21

Precise measurement of magnetic shielding residual field and light shift based on 87Rb atomic magnetometer.

Zhao B, et al. (2023). IEEE Trans Instrum Meas.

22

Observation and Control of π-Pulse Resonance in SERF Magnetometer.

Lin S, et al. (2023). IEEE Trans Instrum Meas.

23

Design and Analysis of a High-Sensitivity Atomic Magnetic Gradiometer With Adjustable Baseline.

Zhang Y, et al. (2025). IEEE Trans Instrum Meas.

24

SERF Atomic Magnetometer – Recent Advances and Applications: A Review.

Li J, et al. (2018). IEEE Sensors Journal.

与曦曙同行,见证前沿量子技术赋能千行百业,共赴产业新未来

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