Microwave ablation of atrial fibrillation is an effective new treatment method.However,the technology is not mature.In the microwave treatment system,the creation of an efficient and stable microwave antenna directly influences the curative effect.This paper introduces the operation principle of atrial fibrillation,the advantage of microwave as its energy,the principle and the system structure of microwave ablation.Especially,this paper introduces the structure,characteristics,present situation and prospect of microwave ablation antennas.
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