Defibrillator output stage with H bridge circuit and diphase sawtooth square wave defibrillation high-voltage discharge method
A defibrillator and output stage technology, applied in the field of medical electronics, can solve the problems of difficult individualized precise control, large energy control deviation, and only one wave, etc., to achieve the improvement of the success rate of electric shock synchronous defibrillation, improve the success rate, and avoid The effect of the initial voltage requirement on
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[0033] Further set forth and illustrate the present invention below in conjunction with the preferred embodiment shown in accompanying drawing:
[0034] Refer to attached figure 1 , a biphasic sawtooth square wave high-voltage discharge method for cardiac defibrillation, that is, through a defibrillator output stage 2 including an H-bridge, a series of bridge switches S1~S4 combinations and control strategies are preset , the electric energy in the accumulator C is delivered to the patient's body 1 via the defibrillation electrodes 3 in the form of biphasic sawtooth pulses 4 (hereinafter referred to as Rp) to perform a rapid high-voltage electric shock discharge, so as to terminate the internal defibrillation. Ventricular fibrillation, to achieve the purpose of timely rescue of patients. The high-voltage defibrillation discharge method of the present invention with biphasic sawtooth rectangular waveform adopted in this embodiment provides a defibrillation discharge current i...
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