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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202104251
|2 doi
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|a pubmed25n1100.xml
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|a DE-627
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|a eng
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|a Jiang, Laiming
|e verfasserin
|4 aut
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|a Multichannel Piezo-Ultrasound Implant with Hybrid Waterborne Acoustic Metastructure for Selective Wireless Energy Transfer at Megahertz Frequencies
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 25.07.2024
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|a Date Revised 25.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a Ultrasound energy transfer (UET) is developed and integrated into various bioelectronics with diagnostic, therapeutic, and monitoring capabilities. However, existing UET platforms generally enable one function at a time due to the single ultrasound channel architecture, limiting the full potential of bioelectronics that requires multicontrol modes. Here, a multichannel piezo-ultrasound implant (MC-PUI) is presented that integrates a hybrid waterborne acoustic metastructure (HWAM), multiple piezo-harvesters, and a miniaturized circuit with electronic components for selective wireless control via ultrasound frequency switching. The HWAM that utilizes both a 3D-printed air-diffraction matrix and a half-lambda Fabry-Perot resonator is optimized to provide the advantage of ultrasound selectivity at megahertz frequencies. Complying with U.S. Food and Drug Administration regulations, frequency-controlled multifunctional operations, such as wireless charging (≈11.08 µW) at 3.3 MHz and high-sensitivity wireless switch/control (threshold ≈0.55 MPa) of micro-light-emitting diode/motor at 1 MHz, are demonstrated ex vivo using porcine tissue and in vivo in a rat. The developed MC-PUI enhances UET versatility and opens up a new pathway for wireless implant design
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|a Journal Article
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|a acoustic metastructure
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|a frequency-controlled implant
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|a piezoelectric composites
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4 |
|a selective energy transfer
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4 |
|a ultrasound device
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|a Water
|2 NLM
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| 650 |
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7 |
|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Lu, Gengxi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Fangjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Jiapu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Benpeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 44 vom: 20. Nov., Seite e2104251
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:33
|g year:2021
|g number:44
|g day:20
|g month:11
|g pages:e2104251
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|u http://dx.doi.org/10.1002/adma.202104251
|3 Volltext
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