Implantable Energy Harvesting Stents for Transcutaneous Wireless Monitoring of Peripheral Artery Disease
| Autor: | Michael A. Rothfuss, Marlin H. Mickle, Ervin Sejdic, Michael L. Gimbel, Kara N. Bocan, Nicholas G. Franconi, Jignesh V. Unadkat |
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| Rok vydání: | 2018 |
| Předmět: |
Power gain
education.field_of_study Computer science business.industry medicine.medical_treatment Population Specific absorption rate Stent 020206 networking & telecommunications 02 engineering and technology 030204 cardiovascular system & hematology 03 medical and health sciences 0302 clinical medicine 0202 electrical engineering electronic engineering information engineering medicine Wireless Implant Electrical and Electronic Engineering business education Instrumentation Energy harvesting Wireless sensor network Biomedical engineering |
| Zdroj: | IEEE Sensors Journal. 18:2077-2090 |
| ISSN: | 2379-9153 1530-437X |
| Popis: | More than five million adults in U.S. are affected by the peripheral artery disease. Current wireless stent monitors are unsuitable to use in the thigh. In this paper, wireless powering and communication with implanted stents were investigated. Specifically, we investigated the effects of thigh tissue morphology and tissue thickness variations on wireless power gain and electromagnetic safety when using skin-contact touch probe antennas. Thigh simulation models were derived from anthropometric data for the diseased population. Power gain and specific absorption rate were determined for each variation. To corroborate human model simulation results, a power-to-frequency converter was designed, benchmarked, and implanted within ex vivo porcine tissue. The experiments showed the most realistic simulations reported so far that have the best agreement with measured results. This paper indicates that touch probe powered stent systems can safely deliver significant power to an implant. This research enables frequent at-home monitoring to replace costly in-hospital quarterly check-ups. |
| Databáze: | OpenAIRE |
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