A radio frequency ablation device
A technology of radiofrequency ablation and ablation electrodes, which is applied in the field of medical devices, can solve problems such as high patient requirements, lower blood pressure, and large renal artery damage, and achieve the effects of fast and accurate operation, expanded range, and reduced toxicity
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[0027] The structure and working mode of the radiofrequency ablation device of the present invention will be described in detail below with reference to the drawings and embodiments.
[0028] In 2008, the American Heart Association (AHA) classified refractory hypertension Defined as: taking 3 antihypertensive drugs with different mechanisms of action (one of which is a diuretic) at the same time after lifestyle modification, or requiring at least 4 drugs to control systolic and diastolic blood pressure at the target level (<140 / 90mmHg ).
[0029] Although the pathological and physiological mechanisms of hypertension are complex, the neuroendocrine system is an important mechanism for maintaining blood pressure balance, and the overexcitation of the sympathetic nerve is considered to be the basic link in the pathogenesis of hypertension. A large number of animal experiments and clinical studies have also confirmed the impact of the sympathetic nervous system on blood pressure,...
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