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Neurostimulation system

A technology of nerve stimulation and stimulation electrodes, used in artificial respiration, physical therapy, electrotherapy, etc.

Active Publication Date: 2014-02-26
SAPIENS STEERING BRAIN STIMULATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, during normal operation of the device, the connection pattern is fixed and electrical pulses are only provided to a subset of all available active regions

Method used

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Embodiment Construction

[0038] Benabid and colleagues (Grenoble) have discovered the beneficial therapeutic effect of small electrical stimulation of central nervous tissue in the 1980's. Application of so-called high-frequency electrical stimulation (130 Hz, -3 V, 60 μs, typical stimulation parameters) to thalamic structures can reduce tremors in patients with Parkinson's disease (PD) and essential tremor (ET). In the following years, other targets of deep brain stimulation (DBS) have been identified (such as the globus pallidum, GPi, and inner segments of the hypothalamic nucleus STN) that lead to significant improvements in quality of life in PD patients. Also, the use of DBS for other neurological disorders like epilepsy and depression is being examined.

[0039] The neurostimulation system according to the invention will be described below for the application of DBS. It should be noted, however, that the invention is not limited to this case and it can also be applied to other fields of neurost...

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Abstract

The invention relates to a neurostimulation system, particularly for deep brain stimulation (DBS), comprising a spatial array (130) of stimulation electrodes (132) and an associated controller (110). The controller (110) is adapted to sequentially supply electrical pulses to different subsets of the stimulation electrodes (132). Preferably, the controller (110) comprises a single pulse-generator (112) and a multiplexing unit (111) for distributing the pulses to different stimulation electrodes. The stimulation electrodes (132) may preferably be arranged on probes (131).

Description

technical field [0001] The present invention relates to a neurostimulation system, in particular a central nervous system stimulation (CNSS) or deep brain stimulation (DBS) system, comprising a plurality of stimulation electrodes. Furthermore, it also relates to a method of controlling such a DBS system. Background technique [0002] One possible treatment for some neurological disorders is to electrically stimulate areas of the brain with implanted electrodes. WO 2005 / 039694 A1 discloses a brain electrostimulation device comprising a plurality of biocompatible electrodes, each electrode with active areas, wherein the active areas can be selectively connected to stimulator-carrying Pulse cable. If necessary, the connection pattern of the reversing device can be modified to adjust the location of stimulation during or after surgery. However, during normal operation of the device, the connection pattern is fixed and electrical pulses are only provided to a subset of all ava...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N1/36
CPCA61N1/36082
Inventor H·C·F·马滕斯M·M·J·德克雷E·坎塔托尔
Owner SAPIENS STEERING BRAIN STIMULATION