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METHOD AND APPARATUS FOR TREATMENT OF HYPERTENSION THROUGH PERCUTANEOUS ULTRASOUND RENAL DENERVATION
METHOD AND APPARATUS FOR TREATMENT OF HYPERTENSION THROUGH PERCUTANEOUS ULTRASOUND RENAL DENERVATION
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机译:通过经皮超声肾去神经治疗高血压的方法和装置
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摘要
Apparatus and methods for deactivating renal nerves extending along a renal artery of a mammalian subject to treat hypertension and related conditions. An ultrasonic transducer (30) is inserted into the renal artery (10) as, for example, by advancing the distal end of a catheter (18) bearing the transducer into the renal artery. The ultrasonic transducer emits unfocused ultrasound so as to heat tissues throughout a relatively large impact volume (11) as, for example, at least about 0.5 cm3 encompassing the renal artery to a temperature sufficient to inactivate nerve conduction but insufficient to cause rapid ablation or necrosis of the tissues. The treatment can be performed without locating or focusing on individual renal nerves.
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