{"title":"用于心脏无线起搏的基于聚苯乙烯的mems血管内植入物。","authors":"Kuang-Ming Shang, Tzung Hsiai, Yu-Chong Tai","doi":"10.1109/mems58180.2024.10439358","DOIUrl":null,"url":null,"abstract":"<p><p>We present a MEMS intravascular implant designed for wireless cardiac pacing. This micropacer implant is meticulously engineered to refine the fabrication process, provide adequate cardiac stimulation, and maintain a compact form factor. An innovative roll-to-capsule technique allows a one-piece micropacer, which includes a parylene circuit board for discrete components, stimulating ring electrodes, and an encapsulation layer. Our design employs a low-frequency inductive power transfer using primary and secondary coils in a back-to-back configuration, ensuring consistent power delivery for pacing even if the coils become minutely misaligned. The finalized device measures 1.8 mm in diameter and 12 mm in length, allowing for catheter-delivered insertion into the cardiac vein. Benchtop tests confirmed the device's capability to deliver a 3.5V DC output voltage with a coil separation of one inch.</p>","PeriodicalId":91953,"journal":{"name":"Proceedings. IEEE International Conference on Micro Electro Mechanical Systems","volume":"2024 ","pages":"437-440"},"PeriodicalIF":0.0000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12047634/pdf/","citationCount":"0","resultStr":"{\"title\":\"A PARYLENE-BASED MEMS INTRAVASCULAR IMPLANT FOR WIRELESS CARDIAC PACING.\",\"authors\":\"Kuang-Ming Shang, Tzung Hsiai, Yu-Chong Tai\",\"doi\":\"10.1109/mems58180.2024.10439358\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>We present a MEMS intravascular implant designed for wireless cardiac pacing. This micropacer implant is meticulously engineered to refine the fabrication process, provide adequate cardiac stimulation, and maintain a compact form factor. An innovative roll-to-capsule technique allows a one-piece micropacer, which includes a parylene circuit board for discrete components, stimulating ring electrodes, and an encapsulation layer. Our design employs a low-frequency inductive power transfer using primary and secondary coils in a back-to-back configuration, ensuring consistent power delivery for pacing even if the coils become minutely misaligned. The finalized device measures 1.8 mm in diameter and 12 mm in length, allowing for catheter-delivered insertion into the cardiac vein. Benchtop tests confirmed the device's capability to deliver a 3.5V DC output voltage with a coil separation of one inch.</p>\",\"PeriodicalId\":91953,\"journal\":{\"name\":\"Proceedings. IEEE International Conference on Micro Electro Mechanical Systems\",\"volume\":\"2024 \",\"pages\":\"437-440\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12047634/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings. IEEE International Conference on Micro Electro Mechanical Systems\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/mems58180.2024.10439358\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/2/22 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings. IEEE International Conference on Micro Electro Mechanical Systems","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/mems58180.2024.10439358","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/2/22 0:00:00","PubModel":"Epub","JCR":"","JCRName":"","Score":null,"Total":0}
A PARYLENE-BASED MEMS INTRAVASCULAR IMPLANT FOR WIRELESS CARDIAC PACING.
We present a MEMS intravascular implant designed for wireless cardiac pacing. This micropacer implant is meticulously engineered to refine the fabrication process, provide adequate cardiac stimulation, and maintain a compact form factor. An innovative roll-to-capsule technique allows a one-piece micropacer, which includes a parylene circuit board for discrete components, stimulating ring electrodes, and an encapsulation layer. Our design employs a low-frequency inductive power transfer using primary and secondary coils in a back-to-back configuration, ensuring consistent power delivery for pacing even if the coils become minutely misaligned. The finalized device measures 1.8 mm in diameter and 12 mm in length, allowing for catheter-delivered insertion into the cardiac vein. Benchtop tests confirmed the device's capability to deliver a 3.5V DC output voltage with a coil separation of one inch.
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