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Use of an implantable cardiac generator for myocardial stimulation, defibrillation and/or resynchronisation as a vagus nerve stimulation (VNS) generator
Use of an implantable cardiac generator for myocardial stimulation, defibrillation and/or resynchronisation as a vagus nerve stimulation (VNS) generator
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机译:植入式心脏发生器作为迷走神经刺激(VNS)发生器用于心肌刺激,除颤和/或再同步的用途
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摘要
On a channel of an implantable cardiac generator, a cardiac lead is replaced by a vagus nerve stimulation VNS lead. The control circuit controlling the stimulation circuit of this channel of the generator is configured to generate sequences of VNS neurostimulation bursts according to a specific profile, synchronized or not with the heart rate. The control circuit dynamically controls the initial load voltage of the reservoir capacitor so as to adjust to a constant target value the electrical charge delivered to the nerve by each stimulating pulse, from a pulse to the next one and from a burst to the next one. This improves the consistency of the physiological effects of neurostimulation despite significant variations that may occur in impedance at the electrode/vagus nerve interface.
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