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System and method for deep brain stimulation

A technology of deep brain stimulation and stimulating electrodes, applied in application, electrotherapy, head electrodes, etc., can solve problems such as inaccuracy, difficulty in accurate measurement, unevenness, etc.

Active Publication Date: 2012-05-23
SAPIENS STEERING BRAIN STIMULATION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However these approaches suffer from inherent limitations since not all parameters are known and can be known in sufficient detail (most notably locally inhomogeneous and anisotropic conductivity distributions strongly affect the field but are difficult to measure accurately)
So it remains inaccurate for these ways

Method used

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  • System and method for deep brain stimulation
  • System and method for deep brain stimulation

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Embodiment Construction

[0021] figure 1 A system 10 for deep brain stimulation according to the invention is schematically shown. System 10 includes a detector 11 having an array of electrodes 12 . The electrodes 12 are preferably regularly arranged on parts of the detector surface. Selected electrodes 12 may be designed for sensing and other electrodes may be provided for stimulation. The dimensions of the sensing electrodes 12 may be different from the dimensions of the stimulating electrodes 12 . For accurate measurements, the electrodes 12 are preferably small. The stimulation electrodes 12 are preferably slightly larger for lower impedance for stimulation delivery.

[0022] In a preferred embodiment of the system 10 according to the invention, all electrodes 12 can be used for sensing as well as for stimulation. A switching unit 13 is provided for switching between the sensing and stimulating functions of the electrodes 12 . The dimensions of the electrodes 12 are preferably balanced such ...

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Abstract

A system (10) and a method for deep brain stimulation are provided. The system (10) comprises a probe (11) and a processor (14). The probe (11) comprises an array of sensing electrodes (12) for acquiring signals representing neuronal activity at corresponding positions in a brain and an array of stimulation electrodes (12) for applying stimulation amplitudes to corresponding brain regions. The processor (14) is operably coupled to the sensing electrodes (12) and the stimulation electrodes (12) and is arranged for performing the method according to the invention. The method comprises receiving (21) the acquired signals from the sensing electrodes (12), processing (22) the acquired signals to find at least one brain region with atypical neuronal activity, based on the acquired signals determining (23) a spatial distribution of stimulation amplitudes over the array of stimulation electrodes (12), and applying (24) the spatial distribution of stimulation amplitudes to the array of stimulation electrodes (12) in order to stimulate the at least one region with atypical neuronal activity.

Description

technical field [0001] The present invention relates to a system for deep brain stimulation comprising: a detector having an array of stimulating electrodes for applying stimulation amplitudes to corresponding brain regions; a processor for determining A spatial distribution of stimulation amplitudes and for applying the determined spatial distribution of stimulation amplitudes to the array of stimulating electrodes in order to stimulate at least one region with atypical neuronal activity. [0002] The invention also relates to a method for determining a spatial distribution of stimulation amplitudes for deep brain stimulation and a computer program product for implementing said method. Background technique [0003] Deep brain stimulation (DBS) is a technique that applies moderate electrical impulses to brain tissue to disrupt pathological activity. Existing DBS devices have four large (typically 6mm 2 ) cylindrical electrodes. This results in a very ambiguous delivery of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/36
CPCA61B2562/0209A61B5/7239A61B5/04004A61N1/36182A61N1/0534A61B2562/046A61B5/30A61N1/36128A61B5/369A61B5/24
Inventor H.C.F.马滕斯
Owner SAPIENS STEERING BRAIN STIMULATION
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