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Updated: Jul 2, 2025

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis

Published on: August 2, 2013

三维电神经接口在子关节假肢上进行电.

Emma Butt¹, Bing-Yi Wang^2,3, Andrew Shin⁴

¹Institute of Photonics, Department of Physics, University of Strathclyde, Glasgow, United Kingdom.

Journal of neural engineering

|February 16, 2024

概括

此摘要是机器生成的。

视网膜假肢上的三维结构增强了电场透,使患有退行性视网膜疾病的患者能够获得更高的视力敏度. 优化的设计提高了刺激效率和植入物集成.

关键词:

蜂电极是蜂中的一个电极.支柱电极电极支柱电极是指支柱电极.视网膜退化视网膜退化视网膜假体是一种视网膜假体.这是一个三维电极.

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Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks

Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks

Published on: February 14, 2015

Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches

Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches

Published on: June 21, 2022

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Last Updated: Jul 2, 2025

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis

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Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks

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Published on: February 14, 2015

Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches

Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches

Published on: June 21, 2022

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:

视网膜假肢通过电刺激恢复部分视力.
较小的假肢像素可以提高视觉敏度,但面临透深度限制.
当前平面电极在有效的电场透方面扎.

研究的目的:

研究光伏阵列上的3D结构,以增强电场透.
为更高分辨率的视网膜植入物优化3D电极设计.
提高视网膜假肢中的刺激效率和神经元准.

主要方法:

开发了用于电动力学量化的子底光伏阵列的3D COMSOL模型.
与平面光伏阵列相比,经过验证的模型.
优化了3D电极设计 (柱子,蜂) 并将它们电在假肢上.

主要成果:

模拟显示,电荷主要通过覆盖3D结构的高容量薄膜流动.
优化的蜂结构 (24μm) 与老鼠视网膜集成;柱子 (35μm) 穿透人类残骸层.
植入的3D阵列显示出机械稳定性和成功与老鼠视网膜的体内集成.

结论:

电3D蜂结构为低值和高分辨率创建垂直导向的电场.
柱状电极为穿透视网膜碎片层提供了一个替代方案.
3D结构制造与现有的光伏阵列工艺兼容,提高了视网膜刺激效率.