Heart treatment equipment and method for preventing fatal arrhythmia
AssigneeTerumo Kabushiki Kaisha
InventorYoshihito Fukui
Life of this patent
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Abstract
In order to avoid a sudden cardiac death by a fatal arrhythmia, various living body information for generating a signal which shows a level of an autonomic tone is detected by a sensor or a VT/VF risk event is detected so as to control the stimulation of the vagus nerve or the nerve stimulation waveform. For this purpose, the parameter of the nerve stimulation signal is controlled according to a detection of the living body information represented by a QT interval which is measured by intracardiac information of the heart or a detection of a VT/VF risk event represented by a ventricular premature contraction which is picked up from spontaneous cardiac events.
Claims20
A heart treatment equipment comprising:
- nerve stimulation means for generating a nerve stimulating signal for stimulating a vagus nerve;
- sensor means for detecting physical exercise of a patient;
- and
- control means connected to said nerve stimulation means and said sensor means, wherein said control means generates said nerve stimulating signal in response to the detection of said physical exercise such that stronger nerve stimulation is carried out when the value of the physical exercise is large as compared with a situation in which the value of the physical exercise is small.
A heart treatment equipment comprising:
- nerve stimulation means for generating a nerve stimulating signal for stimulating a vagus nerve;
- sensor means for detecting physical exercise of a patient;
- and
- control means connected to said nerve stimulation means and said sensor means, wherein said control means generates the nerve stimulating signal in response to the detection of the physical exercise.
A heart treatment equipment according to claim 17, wherein the sensor means includes a pressure sensor.
Dependencies are inferred from the claim text.