Intraoperative Nerve Mapping and Visualization System: Optimal Neurological Function Preservation in Schwannoma Surgery

Wenjianlong Zhou, Xiaoyi Shi, Qin Xu,Xiangxiang Liu,Junshi Li,Hui Qiao,Lirui Yang, Baowang Li,Liangpeng Chen, Yuan Zhang,Xiudong Guan,Shunchang Ma, Zhongyan Wang,Linhao Yuan, Jiang Li, Tieqiang Zhang,Deling Li,Dong Huang, Zhihong Li,Wang Jia

SmartMat（2025）

Cited 0|Views5

Abstract

Schwannoma surgeries pose a significant risk of postoperative neurological impairment. While intraoperative neuromonitoring (IONM) has improved surgical outcomes, it offers an indirect assessment of neural structures and functions. However, during the surgeries, it is not feasible to achieve comprehensive visualization of the nerves. To address this limitation, we introduced a multi-channel flexible microelectrode array (FMEA) characterized by its exceptional resolution, consistent conductivity, and unwavering electrical properties. FMEA conforms precisely to the uneven tumor surface during IONM, capturing detailed spatiotemporal patterns of neural signals. Consequently, neurosurgeons can delineate nerve trajectories on the schwannoma surface with heightened precision and evaluate the functional potential of the residual nerve by analyzing signal amplitudes. For surgical guidance, we developed algorithms enabling real-time intraoperative neuro-mapping. This innovation is poised to refine schwannoma surgical practices, promoting nerve anatomical preservation after surgery and guaranteeing postoperative neural outcomes.

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Key words

electronic devices,engineering,intraoperative neuromonitoring,neurosurgery,schwannoma

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【要点】：论文提出了一种新型的多通道柔性微电极阵列（FMEA）用于术中神经映射和可视化系统，能够提高施万瘤手术中神经功能的保留效果，是一种创新的神经监测技术。

【方法】：研究采用高分辨率、一致性导电性和稳定的电学特性的FMEA，使其能够贴合施万瘤表面，捕捉神经信号的详细时空模式。

【实验】：实验使用了FMEA进行术中神经监测，通过分析信号幅度评估残留神经的功能潜力，并开发了实时术中神经映射算法。论文未具体提及所使用的数据集名称，但实验结果证实了该系统能够提升手术中对神经解剖结构的保留和术后神经功能的结果。