使用全聚合物袖子电极对外围神经进行神经调节:了解选择性刺激的可预测性
Zachary K Bailey1, Zachary Nairac2, Estelle A Cuttaz3
1Department of Bioengineering, Imperial College London, Bioengineering, Imperial College London, London, London, England, SW7 2AZ, United Kingdom of Great Britain and Northern Ireland.
Journal of neural engineering
|February 11, 2026
概括
完全聚合物神经袖子通过激活特定的神经囊来实现选择性外围神经刺激 (PNS). 这项研究验证了这些手套,并通过使用成像信息的计算模型探索了选择性激活的可预测性.
科学领域:
- 生物医学工程 生物医学工程
- 神经科学是一个神经科学.
- 材料科学 材料科学 材料科学
背景情况:
- 周围神经刺激 (PNS) 具有治疗潜力,但在混合神经中缺乏空间选择性.
- 当前神经接口经常使用金属电极,这可能导致成像工件.
研究的目的:
- 为了评估一个全聚合物,多极神经袖口选择性带激活.
- 用成像信息化的计算模型评估这种选择性的可预测性.
主要方法:
- 从导电弹性弹性体开发出一个灵活的,全聚合物神经袖口.
- 在老鼠的坐骨神经上进行了ex vivo评估,记录了来自单个带的复合神经动作潜力.
- 使用微CT成像和ASCENT建模管道进行模拟.
主要成果:
- 在ex vivo实验中证明了高囊选择性 (选择性指数>0.65).
- 基于成像的模拟部分复制了选择性,但显示了差异.
- 模拟对神经解剖学变异性敏感,超过实验灵敏度.
结论:
- 全聚合物导电弹性体袖是选择性PNS的金属接口的有效替代品.
- 结合microCT成像和计算建模,完善了PNS的预测框架.
- 改进的组织和电极建模对于推进空间选择性PNS技术至关重要.
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