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Typically, when pharmacological treatments are ineffective, neuromodulation techniques, such as spinal cord stimulation, deep brain stimulation, and motor cortex stimulation, are employed. Although these methods offer promising alternatives to pharmacological treatments, they require bulky implanted stimulators with batteries and complex circuitry. In this study, a miniaturized wireless dual\u2010channel stimulator is developed that uses only passive circuit components. This wireless electroceutical approach enables multichannel stimulation using a single receiver coil with a tapping inductor. The miniaturized passive stimulator (9 \u00d7 13 \u00d7 3.4 mm\n                    <jats:sup>3<\/jats:sup>\n                    , 0.451\u00a0g) generates stimulus pulses for each channel. After implantation into a spared nerve injury rat model to stimulate the primary motor cortex, behavioral assessments using the Von Frey filament up\u2010and\u2010down method demonstrated significant pain alleviation following independent channel stimulation. The innovative approach advances the miniaturization of multichannel passive neurostimulators, thereby enhancing patient comfort and reducing surgical complications.\n                  <\/jats:p>","DOI":"10.1002\/adhm.202502443","type":"journal-article","created":{"date-parts":[[2025,8,13]],"date-time":"2025-08-13T10:19:53Z","timestamp":1755080393000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Battery\u2010Free Dual\u2010Channel Wireless Neurostimulator Using Passive Circuitry for Neuropathic Pain Modulation"],"prefix":"10.1002","volume":"14","author":[{"given":"Jeongju","family":"Moon","sequence":"first","affiliation":[{"name":"Department of Electronics Engineering College of Engineering Pusan National University  Busan 46241 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyungmo","family":"Seong","sequence":"additional","affiliation":[{"name":"Department of Electronics Engineering College of Engineering Pusan National University  Busan 46241 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyeon Gyu","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Electronics Engineering College of Engineering Pusan National University  Busan 46241 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wonki","family":"Mun","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery Brain Research Institute Yonsei University College of Medicine  Seoul 03722 South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Seung Hyun","family":"Min","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery Brain Research Institute Yonsei University College of Medicine  Seoul 03722 South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sung\u2010Yun","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Electronics Engineering College of Engineering Pusan National University  Busan 46241 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joonsoo","family":"Jeong","sequence":"additional","affiliation":[{"name":"Department of Information Convergence Engineering Pusan National University  Yangsan 50612 Republic of Korea"},{"name":"School of Biomedical Convergence Engineering Pusan National University  Yangsan 50612 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chin Su","family":"Koh","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery Brain Research Institute Yonsei University College of Medicine  Seoul 03722 South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyun Ho","family":"Jung","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery Brain Research Institute Yonsei University College of Medicine  Seoul 03722 South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9918-8095","authenticated-orcid":false,"given":"Kyungsik","family":"Eom","sequence":"additional","affiliation":[{"name":"Department of Electronics Engineering College of Engineering Pusan National University  Busan 46241 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2025,8,13]]},"reference":[{"key":"e_1_2_9_1_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa042580"},{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00540-018-2501-0"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.2146\/ajhp060204"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.neuro.29.051605.112824"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-7091-9160-6_37"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-017-08208-2"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/ner.13037"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/ner.12006"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1525-1403.2011.00395.x"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.3390\/s22020501"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/acssensors.7b00279"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41591-018-0196-2"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1126\/sciadv.abb1093"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41587-021-00948-x"},{"key":"e_1_2_9_15_1","unstructured":"G. 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