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
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[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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