Filters








2,091 Hits in 6.8 sec

Wireless Power Transfer for Implanted Medical Application: A Review

Yujing Zhou, Chunhua Liu, Yongcan Huang
2020 Energies  
Particularly, wireless power transfer (WPT) technology provides reliable and convenient power charging for implant medical devices without additional surgery.  ...  Thus, this review provides an in-depth investigation and the whole map for WPT technologies applied in medical applications.  ...  Table 1 . 1 Comparison of wireless power transfer (WPT) in deep brain stimulation.  ... 
doi:10.3390/en13112837 fatcat:cz5vbtzynjarjhjnfp25trbwx4

Wireless Microstimulators [chapter]

David S. Freedman, Mesut Sahin, Bruce C. Towe
2015 Encyclopedia of Computational Neuroscience  
Wireless microstimulation  ...  an SAR-limited microwave radiation average power of less than a applied to the skin surface by an antenna over the implant.  ...  Advantages Powering implants at microwave frequencies through electric field coupling has been treated at length by Poon et al. who showed that efficient power transfer to moderately deep implanted devices  ... 
doi:10.1007/978-1-4614-6675-8_605 fatcat:64vty7mk75ed5a6a3trobhbwme

Wireless Microstimulators [chapter]

David S. Freedman, Mesut Sahin, Bruce C. Towe
2013 Encyclopedia of Computational Neuroscience  
Wireless microstimulation  ...  an SAR-limited microwave radiation average power of less than a applied to the skin surface by an antenna over the implant.  ...  Advantages Powering implants at microwave frequencies through electric field coupling has been treated at length by Poon et al. who showed that efficient power transfer to moderately deep implanted devices  ... 
doi:10.1007/978-1-4614-7320-6_605-2 fatcat:uaraixd4uvhu7ojiw5x43wnc74

Wireless Microstimulators [chapter]

David S. Freedman, Mesut Sahin, Bruce C. Towe
2014 Encyclopedia of Computational Neuroscience  
Wireless microstimulation  ...  an SAR-limited microwave radiation average power of less than a applied to the skin surface by an antenna over the implant.  ...  Advantages Powering implants at microwave frequencies through electric field coupling has been treated at length by Poon et al. who showed that efficient power transfer to moderately deep implanted devices  ... 
doi:10.1007/978-1-4614-7320-6_605-3 fatcat:okrnwgjizjcehf5g34rffksyty

Optimal Design and Analysis of the Stepped Core for Wireless Power Transfer Systems

Xiu Zhang, Xin Zhang
2016 Mobile Information Systems  
The wireless power transfer system applied in implantable medical devices can reduce the patients' physical and economic burden because it will achieve charging in vitro.  ...  For a deep brain stimulator, in this paper, the transmitter coil is designed and optimized.  ...  Acknowledgments This research was supported by the Applied Basic Research Program of Tianjin (15JCYBJC52300 and 15JCYBJC51500) and the Tianjin Thousand Youth Talents Plan Project of Tianjin Normal University  ... 
doi:10.1155/2016/2624917 fatcat:bo52qpijvnh35hripdlte43ivm

Biointegrated and Wirelessly Powered Implantable Brain Devices: A Review

Rupam Das, Farshad Moradi, Hadi Heidari
2020 IEEE Transactions on Biomedical Circuits and Systems  
The real constraint emerges from mechanical and physical diffierences between implants and brain tissue that initiates an inflammatory reaction and glial scar formation that reduces the recording and stimulation  ...  Regardless of the astounding progression as of late, conventional neural modulating system is still incapable to achieve the desired chronic in vivo implantation.  ...  Applying the NFC method for optogenetic stimulation and wireless power enables an in-expensive and comparatively simple way regarding wireless implantable neural systems.  ... 
doi:10.1109/tbcas.2020.2966920 pmid:31944987 fatcat:fq3j5flcrfbopcn6mnyf4ry3ou

Wireless and battery-free technologies for neuroengineering

Sang Min Won, Le Cai, Philipp Gutruf, John A. Rogers
2021 Nature Biomedical Engineering  
In this Review Article, we discuss recent progress in the development of miniaturized and ultralightweight devices as neuroengineering platforms that are wireless, battery-free and fully implantable, with  ...  Such classes of advanced neural interfaces with optical, electrical or fluidic functionality can also combine recording and stimulation modalities for closed-loop applications in basic studies or in the  ...  by far-field RF power transfer. e, A fully implantable wireless optogenetic deep-brain stimulator powered by magnetic resonant coupling. f, A device for electrophysiological recording powered by ultrasound  ... 
doi:10.1038/s41551-021-00683-3 pmid:33686282 fatcat:uo4wlyrz6vgejcz5kh7a5tontq

MagNI: A Magnetoelectrically Powered and Controlled Wireless Neurostimulating Implant

Zhanghao Yu, Joshua C. Chen, Fatima T. Alrashdan, Benjamin W. Avants, Yan He, Amanda Singer, Jacob T. Robinson, Kaiyuan Yang
2020 IEEE Transactions on Biomedical Circuits and Systems  
This paper presents the first wireless and programmable neural stimulator leveraging magnetoelectric (ME) effects for power and data transfer.  ...  (~ 250 kHz) to mm-sized implants deep inside the body (30-mm depth).  ...  ACKNOWLEDGMENT The authors would like to thank Christophe Dupre and Dr. Rafael Yuste for sharing the transgenic Hydra strains.  ... 
doi:10.1109/tbcas.2020.3037862 pmid:33180732 pmcid:PMC8712272 fatcat:zjx4a6lwibc5fgdrgtyxukhrfq

Chronically monitoring the deep brain rhythms: from stimulation to recording

Xing Qian, Yue Chen, Bozhi Ma, Hongwei Hao, Luming Li
2016 Science Bulletin  
Conflict of interest The authors declare that they have no conflict of interest.  ...  Acknowledgments This work was supported by the National Natural Science Foundation of China (51125028 and 51407103), Beijing Natural Science Foundation (7154214) and Tsinghua University Initiative Scientific  ...  The system also has wireless recharging which is a trade-off for the additional power consumption of the LFP recording and transmission functions, ensuring the long service life of the implanted neurostimulator  ... 
doi:10.1007/s11434-016-1159-y fatcat:tjf6jg4a65b6la5xxfmy2sss6e

On RF Telemetry for Implantable Medical Devices: A Communication Theory Perspective

M. Saeed Darweesh, Tawfik Ismail, Hassan Mostafa
2018 2018 11th International Symposium on Communication Systems, Networks & Digital Signal Processing (CSNDSP)  
Several technologies appeared to provide an efficient treatment of diseases or human deficiencies. One of these technologies is the implantable medical devices (IMDs).  ...  In this paper, a survey on the RF telemetry, including the parameters that have effects on the overall system performance, such as power consumption, RF bands and security, is presented.  ...  ACKNOWLEDGEMENT This work was supported by the Egyptian Information Technology Industry Development Agency (ITIDA) under ITAC Program CFP 96 and Cairo University.  ... 
doi:10.1109/csndsp.2018.8471842 dblp:conf/csndsp/DarweeshIM18 fatcat:d5rxith6evbxxj4wmoj3dkdpuy

New Era of Electroceuticals: Clinically Driven Smart Implantable Electronic Devices Moving towards Precision Therapy

RaviPrakash Magisetty, Sung-Min Park
2022 Micromachines  
Over the past years, most researchers have only focused on the electroceuticals metamorphically transforming from a concept to a device stage to positively impact the therapeutic outcomes.  ...  Finally, this review article highlights the importance of wirelessly supplying the necessary power and wirelessly triggering functional electronic circuits with ultra-low power consumption and multi-functional  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/mi13020161 pmid:35208286 pmcid:PMC8876842 fatcat:2ctpuebpyvdkpmkvkeapxbhlje

Wirelessly powered, fully internal optogenetics for brain, spinal and peripheral circuits in mice

Kate L Montgomery, Alexander J Yeh, John S Ho, Vivien Tsao, Shrivats Mohan Iyer, Logan Grosenick, Emily A Ferenczi, Yuji Tanabe, Karl Deisseroth, Scott L Delp, Ada S Y Poon
2015 Nature Methods  
systems, allowing the entire device to be implanted subcutaneously.  ...  We report the development of an easy-to-construct, implantable wireless optogenetic device. our smallest version (20 mg, 0 mm 3 ) is two orders of magnitude smaller than previously reported wireless optogenetic  ...  Wireless stimulation of premotor cortex elicits circling To demonstrate the effectiveness of the wireless optogenetic system in the brain, we stimulated the right premotor cortex of transgenic (d,e) Local  ... 
doi:10.1038/nmeth.3536 pmid:26280330 pmcid:PMC5507210 fatcat:rw26zermtjgw3gp5mng7znmuwy

Magnetoelectric materials for miniature, wireless neural stimulation at therapeutic frequencies [article]

Amanda Wickens, Benjamin Avants, Nishant Verma, Eric Lewis, Joshua C Chen, Ariel K Feldman, Shayok Dutta, Joshua Chu, John O'Malley, Michael Beierlein, Caleb Kemere, Jacob T Robinson
2018 bioRxiv   pre-print
These results suggest that ME materials are an excellent candidate for wireless power delivery that will enable miniature neural stimulators in both clinical and research applications.  ...  Here we show that magnetoelectric materials, applied for the first time in bioelectronics devices, enable miniature magnetically-powered neural stimulators that operate at clinically relevant high-frequencies  ...  Wireless 514 magnetothermal deep brain stimulation. Science 347, 1477-80 (2015). 515 19. Munshi, R. et al.  ... 
doi:10.1101/461855 fatcat:kn3hqlryvbgy3px2pou6vsewza

From Bioelectronics to Nanobioelectronics: The Biomedical Electronics Translational Research Center [Highlights]

Chung-Yu Wu, Ming-Dou Ker
2021 IEEE Nanotechnology Magazine  
Wireless power transfers to recharge implanted batteries and wireless bidirectional data transceivers to communicate with implanted devices have been adopted in neuromodulation systems [3] , [4] .  ...  The wireless power transfer is used for battery charging, and the bidirectional data telemetry transfers the ECoG out and the control signal in.  ... 
doi:10.1109/mnano.2021.3081786 fatcat:w2pqgiemijbwbohhafb6r3qjrq

Biodegradable Optical Fiber in a Soft Optoelectronic Device for Wireless Optogenetic Applications

Sungkeun Han, Gunchul Shin
2020 Coatings  
Optogenetics is a new neuroscience technology that uses light-responsive proteins to stimulate neurons with light and control the emotions and/or behavior of animals.  ...  At the same time, the possibility of causing mechanical and thermal damage to neural tissues has been highlighted as an issue due to the stiffness of robust injection tools and the photoelectric efficiency  ...  (b) Antenna set-up for wireless power transfer. (c) Scheme for implanted device in the deep brain. Figure 3 . 3 Optical properties of the LED and wireless optoelectronic device.  ... 
doi:10.3390/coatings10121153 fatcat:re23nfqgibeb7dtje4lrai7pp4
« Previous Showing results 1 — 15 out of 2,091 results