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Implanted neural electrode array system and manufacturing method thereof

An electrode array, implantable technology, applied in the direction of electrodes, etc., can solve problems such as hindering micro-machining, and achieve the effect of reducing the number, overcoming the large thermal stress, and enhancing the signal processing capability.

Active Publication Date: 2013-06-19
NIUNUOSI TIANJIN TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large thermal expansion coefficient of medical silicone rubber materials, large thermal strains will be generated at different processing temperatures during the micromachining process, which will easily cause destructive effects on other process materials and hinder the smooth progress of micromachining.

Method used

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  • Implanted neural electrode array system and manufacturing method thereof
  • Implanted neural electrode array system and manufacturing method thereof
  • Implanted neural electrode array system and manufacturing method thereof

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Embodiment Construction

[0043] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0044] figure 1 It is a structural diagram of the implantable nerve electrode array system described in the embodiment of the present invention. like figure 1 As shown, the system includes: an electrode array 100 , an embedded circuit 200 , an outer lead 300 and a packaging body 400 .

[0045] The electrode array 100 includes a plurality of nerve electrodes 101 .

[0046] The package 400 includes a base 401 of medical silicone rubber material and an upper cladding 402 . The thickness of the substrate 401 is 500-700 microns, and the thickness of the upper cladding layer 402 is less than 100 microns.

[0047] The electrode array 100 and the embedded circuit 200 are fixe...

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Abstract

The invention discloses an implanted neural electrode array system and a manufacturing method thereof, relating to the technical field of implanted medical appliances. The system comprises an electrode array, an outer lead and a packaging body made from medical silicon rubber materials, wherein the electrode array comprises one or multiple neural electrodes; the electrode array is fixed in the packaging body; a through hole for only enabling the neural electrodes to be exposed is formed on the packaging body; the system also comprises an embedded circuit which is sealed in the packaging body and comprises a processing chip; the neural electrodes are connected with the processing chip; and the first end of the outer lead is connected with the processing chip, and the second end of the outer lead extends to the outside of the packaging body. The system has excellent biocompatibility. Simultaneously, in the manufacturing process of the system, low-temperature sputtering and low-temperature bonding technologies are adopted, thereby overcoming the technical defect that because the heat stress of the medical silicon rubber is large, other processing materials are easy to damage.

Description

technical field [0001] The invention relates to the technical field of implantable medical devices, in particular to an implantable nerve electrode array system and a manufacturing method thereof. Background technique [0002] From the earliest discovery by Benjamin Franklin that electric current can be used to treat paralysis, to the development of Brain Computer Interface (BCI) technology into a hot spot in scientific research in recent years, neural electrodes have been used by people to study the biological nervous system for centuries. way of working and an important tool in the treatment of its dysfunction. On the one hand, it is used to collect the action electrical signals of biological neurons and send them to external electronic computer equipment for processing and analysis; on the other hand, it applies the command signals of electronic computer equipment to biological neurons to realize biological signal transmission. BCI technology based on neural electrode a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N1/04
Inventor 张伟
Owner NIUNUOSI TIANJIN TECH DEV
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