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Flexible multi-channel deep brain stimulation three-dimension electrode based on micromachining technology

A technology of deep brain stimulation and three-dimensional electrodes, applied in electrotherapy, treatment, etc.

Inactive Publication Date: 2013-08-14
SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to further improve the stimulation accuracy, Shanghai Jiaotong University's patent application (multi-site stimulation electrode array for brain stimulation), patent number (CN 101708353 A), proposes to use mechanical Assembly technology realizes a 16-channel stimulation electrode array, but the size of the electrode contacts is limited by the precision of mechanical assembly, and it is difficult to further reduce the size and improve the stimulation resolution

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  • Flexible multi-channel deep brain stimulation three-dimension electrode based on micromachining technology
  • Flexible multi-channel deep brain stimulation three-dimension electrode based on micromachining technology
  • Flexible multi-channel deep brain stimulation three-dimension electrode based on micromachining technology

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Embodiment Construction

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] A flexible multi-channel deep brain stimulation three-dimensional electrode based on micromachining technology, including a planar flexible film electrode 7 and a special mold, and the planar flexible film electrode 7 is in the middle of the special mold.

[0029] Further, the planar flexible film electrode 7 includes a stimulation contact 1, a lead contact 2, an internal wire 3 and a poly C-type paraxylene Parylene C structural material 4, between the stimulation contact and the lead contact They are connected by internal wires, and each lead contact is connected with an external wire 5 .

[0030] Further, the special mold includes a first mold movable module 8, a second mold movable module 9, a mold filling hole 10 and a mold fixing module 12, and the first mold movable module 8 and the second mold can be The moving modules...

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Abstract

The invention discloses a flexible multi-channel deep brain stimulation three-dimension electrode based on the micromachining technology, which comprises a planar flexible film electrode and a special die, wherein the planar flexible film electrode is positioned right in the middle of the special die. With adoption of the technical scheme of the invention, the problem about accurate control on deep brain stimulation and multi-channel electrode size is solved, the flexible multi-channel deep brain stimulation three-dimension electrode has the characteristics of convenience in machining and accurate in electrode distribution, and can integrate the flexible circuit technology to realize control on multiple simulation or recording points by utilizing fewer external connected leads.

Description

technical field [0001] The invention relates to a flexible multi-channel deep brain stimulation three-dimensional electrode based on micro-processing technology. Background technique [0002] Deep brain stimulation refers to the electrical stimulation (deep brain stimulation, DBS) of specific parts of the brain tissue, so as to achieve the purpose of treating or relieving nerve-related diseases. It has been successfully applied to Parkinson's, epilepsy, tremor and other central nervous system diseases relief and treatment. Electrodes are used to transmit electrical pulses to the specific functional nuclei of the brain by stimulating the electrodes to stimulate the area to achieve the purpose of treating related diseases. [0003] However, because the functional nucleus area is often relatively small, for example, the hypothalamic nucleus related to the treatment of Parkinson's disease, its size is spherical with a diameter of 3-4 mm or egg-shaped with a diameter of 3-4 mm a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/06A61N1/372
Inventor 李璟文张磊王守岩
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI
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