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本文提出了一款亚10nA直流平衡的自适应刺激器IC,集成了多模态传感器,用于紧凑型电针系统。该芯片解决了传统电针系统中细针难以连接粗导线、多针电源供给困难的问题,实现了低功耗、直流平衡的刺激输出。
stimulation, has been widely used for its effectiveness in pain relief since the 1970s [1] and later for treatment of various diseases such as depression, addiction, and gastrointestinal disorders [2], and non-medical applications including obesity treatment [3]. For stimulation, most EA systems use a pair of needles with long, thick wires connected to an external power supply to form a closed current loop. The thin (φ=2mm) needle may suffer from the inconvenient and unstable connection to the thick wire and if there are many needles, it is difficult to supply power to all needles [4]. Recently, a wirelessly-powered EA system was proposed in [4] to remove the wire connections for convenient treatment, but its wireless power harvesting generated only 8µW which is not enough for various applications [1-3]. Most EA systems use bi-phase stimulation to reduce tissue
Kiseok Song, Hyungwoo Lee, Sunjoo Hong, Hyunwoo Cho, Hoi-Jun Yoo
KAIST, Daejeon, Korea Electro-acupuncture (EA), a combination of acupuncture and electrical