Deep brain stimulation system

A deep brain and stimulating electrode technology, which is applied in implanted stimulators, artificial respiration, physical therapy, etc., to achieve the effects of enhanced convenience, reduced energy consumption, and increased autonomy

Inactive Publication Date: 2007-08-22
KONINKLIJKE PHILIPS ELECTRONICS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These techniques are again based on the use of EEG signals and so exhibit the same drawbacks as above

Method used

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  • Deep brain stimulation system

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Embodiment Construction

[0040] Figure 1 shows a patient 1 suffering from Parkinson's disease. The deep brain stimulation system 2 is used to treat the patient 1. The system 2 basically includes a pulse generator 3, electrodes 4 and one or several sensor units 5. The pulse generator 3 is adapted to generate electric pulses having a pulse frequency of 2-250 cycles / second, a pulse width of 60-450 microseconds, and a voltage amplitude of 0-10.5 volts. For standard tissue impedances in the range of 1000 ohms, current amplitudes of up to 10 mA are therefore within the therapeutic range of deep brain stimulation. The pulse generator 3 is implanted in the chest of the patient similar to a cardiac pacemaker, and the electrode 4 is implanted in those areas of the brain of the patient with the disease. For the electrode 4, it is preferable to use a material that does not chemically react with surrounding tissues, such as titanium, platinum, gold, or alloys containing these or the like. In addition, the electrodes m...

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Abstract

The invention provides automatic control of a deep brain stimulation system (2) using tremor detection based on accelerometer signals. Because no manual interventions are necessary, the ease of use for the patient (1) is greatly enhanced. Furthermore the autonomy of the patients in normal daily life is increased. The present invention also results in a reduced energy consumption and consequently longer battery life. On the other side with the present invention an optimal treatment is possible, adjusted to the patient's symptoms without the help of a physician.

Description

Technical field [0001] The invention relates to a deep brain stimulation system. Furthermore, the present invention relates to a method of controlling a generator adapted to generate electrical signals for deep brain stimulation, and to a computer program for executing the method. Background technique [0002] Parkinson's disease is one of the most common neurological diseases. The disease affects about two thousandths of people and is associated with damage to the part of the brain that controls muscle movement. Usually the first symptom of Parkinson's disease is tremor (trembling or shaking) of the limbs, especially when the body is at rest. The tremor often starts on one side of the body, often in one hand. The most common treatment for Parkinson's disease is drug therapy with levodopa. Therefore, it can effectively relieve the main symptoms of tremor, slow movement, stiffness and imbalance in the first year of the disease. After five to ten years, complications such as relati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/08A61N1/36
CPCA61N1/36082A61N1/36067A61N1/3605A61N1/08
Inventor 埃尔克·瑙约凯特约瑟夫·劳特尔马修·哈里斯吉多·米施
Owner KONINKLIJKE PHILIPS ELECTRONICS NV
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