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Entirely-transparent flexible electrode for retinal prosthesis or function

A flexible electrode and retina technology, applied in the fields of electrodes, applications, medical science, etc., can solve problems such as difficulty, flexible electrodes do not have full transparency, and achieve the effect of flexible design

Inactive Publication Date: 2013-03-27
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0004] At present, researches on polymer-based flexible electrodes have been widely carried out at home and abroad, but these flexible electrodes do not have fully transparent properties, so it is difficult to apply them to the research of visual mechanisms such as retinal photoelectric signal conversion and processing coding.

Method used

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  • Entirely-transparent flexible electrode for retinal prosthesis or function

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Embodiment Construction

[0014] see figure 1 As shown, the present invention provides a fully transparent flexible electrode for retinal repair or function, comprising:

[0015] A substrate support layer 10, the thickness of the substrate support layer 10 is 10nm-15μm, the thickness of the substrate support layer 10 can be selected according to specific application requirements, the thinner the thickness, the better the flexibility of the electrode can be shown;

[0016] A first insulating layer 20, the first insulating layer 20 is made on both sides above the substrate support layer 10, a window 21 is formed between the first insulating layer 20 on the two sides, the depth of the window 21 is the same as that of the first insulating layer The thicknesses of the layers 20 are the same, and the thickness of the first insulating layer 20 is 10nm-15 μm. The thickness can be selected according to specific application requirements. The thinner the thickness, the better the flexibility of the electrode can ...

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Abstract

The invention provides an entirely-transparent flexible electrode for retinal prosthesis or function. The electrode comprises a lining support layer, first insulating layers, a transparent conductive layer and a second insulating layer, wherein the first insulating layers are manufactured on two sides of the upper side of the lining support layer, a window is formed between the first insulating layers on two sides, and the depth of the window is the same as the thickness of the first insulating layers; the transparent conductive layer is arranged in the window between the first insulating layers and on the surface of the lining support layer; and the second insulating layer is arranged in the middle of the conductive layer. The invention provides a powerful tool for exploring studies on retina in photoelectric signal conversion, processing coding and other visual mechanism fields.

Description

technical field [0001] The invention relates to the field of design and processing of electrode sensors for biological tissue stimulation and electrical signal recording, and more specifically relates to a fully transparent flexible electrode for retinal repair or function. Background technique [0002] Retina (retina) living in the inner wall of the eyeball, is a layer of transparent film. The retina consists of the pigment epithelium and the retinal sensory layer. The pigment epithelium is closely connected with the choroid and is composed of pigment epithelial cells, which have the functions of supporting and nourishing photoreceptor cells, shading, cooling, regeneration and repair. Damage to either the photoreceptor cells or the pigment epithelium can lead to visual impairment and even blindness. Implanting electrodes in the retina provides a technical solution for exploring the visual mechanism of the retina in photoelectric signal conversion, processing and coding, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F9/08A61B5/0496A61N1/04
Inventor 裴为华陈远方陈南晖归强陈弘达
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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