Implant electronics for intraocular epiretinal neuro-stimulators

Implant electronics for intraocular epiretinal neuro-stimulators
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用于眼内视网膜前神经刺激器的植入电子设备

DOI:
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发表时间:
2008
期刊:
2008 IEEE International Symposium on Circuits and Systems
影响因子:
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通讯作者:
K. Das
K. Das
中科院分区:
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文献类型:
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作者:
T. Lehmann;N. Lovell;G. Suaning;P. Preston;Y. Wong;N. Dommel;L. H. Jung;Y. Moghe;K. Das

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在本文中,我们将讨论眼内视网膜前神经刺激器的系统架构,设计挑战和电路实现原理,用于部分恢复视力的盲人视觉假体的一部分。我们独特的六边形电极放置允许集中的同时刺激,从而允许电极计数缩放。一个新的双通道经皮感应链路用于有效地将功率和数据传输到植入体,一个新的双电压电源整流器提供两个植入体电源,而不需要DC-DC转换器。文中还介绍了电流激励器和ECAP放大器的低功耗设计。
In this paper, we discuss system architectures, design challenges and circuit implementation principles for intraocular epiretinal neuro-stimulators to be used as part of vision prostheses in partially restoring vision to the blind. Our unique hexagonal electrode placement allows focused simultaneous stimulation which allow the electrode count to scale. A new dual-channel transcutaneous inductive link is used to transfer power and data efficiently to the implant, and a new dual-voltage power rectifier provides two implant supplies without the need for a DC-DC converter. Low-power designs of current stimulators and ECAP amplifiers are also outlined in the paper.
DOI: --
发表时间: 1999
影响因子: 4.4
作者:
M. Humayun;M. Prince;E. D. Juan;Y. Barrón;Mosheh Moskowitz;I. Klock;H. Ann;Milam
通讯作者: M. Humayun;M. Prince;E. D. Juan;Y. Barrón;Mosheh Moskowitz;I. Klock;H. Ann;Milam