The present invention relates to a high-frequency stimulator which can be tightly closed to a diseased part of a patient without regard to a location of the diseased part such that a plurality of diseased parts are treated at the same time, thereby greatly improving the treatment effect and of preventing a safety accident such as a spark generation from occurring such that treatment is safely performed, and a high-frequency treatment device using the same. A high-frequency stimulator according to the present invention includes a frequency oscillator (50) for generating a frequency, upper and lower stimulators (20 and 30) for radiating the frequency received from the frequency oscillator (50) to upper and lower portions of a diseased part of a patient, and a height control unit for controlling positions of the upper and lower stimulators (20 and 30). Each of the upper and lower stimulators (20 and 30) includes a conductive pack in which an electrode sheet and a conductive gel for transferring the frequency of the frequency oscillator (50) to the diseased part are embedded, a pressing support coupled to the conductive pack to be closed to the diseased part, and a housing in which the pressing support is installed. The pressing support of the upper stimulator (20) is an upper pressing support (25) on which a joint receiving groove (28) having a central portion recessed to receive a protrusion of the diseased part is formed. The conductive pack of the upper stimulator (20) is an upper conductive pack (21) on which a joint through-hole is formed corresponding to the joint receiving groove (28).COPYRIGHT KIPO 2016본 발명은 굴곡 또는 굵기가 상이한 환자의 환부에 관계없이 밀착되게 접촉시키면서 다수의 환부에 동시에 시술이 가능하도록 하여 치료의 효과를 대폭 향상시키고, 스파크 발생 등 안전사고를 사전에 방지하여 안전한 시술을 할 수 있는 고주파자극기 및 이를 이용한 고주파치료기에 관한 것이다.본 발명에 의한 고주파자극기는, 주파수를 발생시키기 위한 주파수발진부(50)와, 상기 주파수발진부(50)로부터 주파수를 공급받아 환자의 환부 상부 및 하부에 주파수를 방사하기 위한 상부자극기(20) 및 하부자극기(30)와, 상기 상부자극기(20)와 하부자극기(30)의 위치를 조절하기 위한 높이조절수단을 포함하는 고주파자극기에 있어서, 상기 상부자극기(20) 및 하부자극
