Journal ArticleDOI
Biotelemetry and Wireless Powering for Leadless Pacemaker Systems
Rupam Das,Hyoungsuk Yoo +1 more
TLDR
In this article, a conformal spiral type Implantable antenna at Medical Implanted Communication Service (MICS) band was proposed to overcome the telemetry and wireless powering problems associated with the recently invented leadless pacemaker.Abstract:
In this letter, we address the telemetry and wireless powering problems associated with the recently invented leadless pacemaker. To overcome the telemetry problem, we propose a conformal spiral type Implantable antenna at Medical Implanted Communication Service (MICS) band. In addition, we also apply the recently proposed midfield wireless power transfer (WPT) technique at 1.5 GHz to avoid the bulky energy storage component. We simulate and experimentally measure the performance of the implantable antenna by using porcine heart tissue. Our research shows that, the implantable antenna and wireless power transfer scheme can be implemented in a leadless pacemaker without any significant coupling between them.read more
Citations
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Journal ArticleDOI
An LCC-C Compensated Wireless Charging System for Implantable Cardiac Pacemakers: Theory, Experiment, and Safety Evaluation
TL;DR: In this article, the authors presented the LCC-C compensation topology for pacemaker wireless charger, where only one secondary side resonance capacitor needs to be implanted, and resonance compensation parameters are derived.
Journal ArticleDOI
A Multiband Antenna Associating Wireless Monitoring and Nonleaky Wireless Power Transfer System for Biomedical Implants
Rupam Das,Hyoungsuk Yoo +1 more
TL;DR: In this article, a multiband conformal antenna for implantable as well as ingestible devices is presented, which has the following three bands: medical implanted communication service (MICS: 402-405 MHz), the midfield band (1.45-1.6 GHz), and the industrial, scientific and medical band (ISM: 2.4-2.45 GHz).
Journal ArticleDOI
A Wideband Circularly Polarized Conformal Endoscopic Antenna System for High-Speed Data Transfer
Rupam Das,Hyoungsuk Yoo +1 more
TL;DR: In this article, a conformal wideband circularly polarized (CP) antenna is presented for endoscopic capsule application over the 915-MHz Industrial, Scientific, and Medical (902-928 MHz) band.
Journal ArticleDOI
Scalp-Implantable Antenna Systems for Intracranial Pressure Monitoring
TL;DR: In this paper, the authors proposed a miniaturized implantable antenna system for biomedical applications, specifically for scalp implantation, which exhibits dual-band characteristics on the industrial, scientific, and medical bands (i.e., 915 and 2450 MHz) with small volumes: 344 mm3 and 406 mm3 (System B).
Journal ArticleDOI
Multi-Band Antenna System for Skin Implant
Imran Gani,Hyoungsuk Yoo +1 more
TL;DR: In this article, two skin-implantable biotelemetry devices are presented along with an antenna system that operates on five bands, including the Medical Implant Communication Service (MICS) (402-405 MHz) and the Industrial, Scientific, and Medical (ISM) (433.1-434.8 MHz, 868.0-868.6 MHz, 902-928 MHz, 2400.0 -2483.5 MHz) bands.
References
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Journal ArticleDOI
The dielectric properties of biological tissues: III. Parametric models for the dielectric spectrum of tissues
TL;DR: A parametric model was developed to enable the prediction of dielectric data that are in line with those contained in the vast body of literature on the subject.
Journal ArticleDOI
Wireless power transfer to deep-tissue microimplants
John S. Ho,Alexander J. Yeh,Evgenios Neofytou,Sanghoek Kim,Yuji Tanabe,Bhagat Patlolla,Ramin E. Beygui,Ada S. Y. Poon +7 more
TL;DR: A wireless powering method is reported that overcomes the challenge of energy transfer beyond superficial depths in tissue by inducing spatially focused and adaptive electromagnetic energy transport via propagating modes in tissue and is used to power a tiny electrostimulator that is orders of magnitude smaller than conventional pacemakers.
Patent
Leadless Cardiac Pacemaker Triggered by Conductive Communication
TL;DR: In this article, a leadless cardiac pacemaker is configured for implantation in electrical contact with a left ventricular cardiac chamber and configured for leadless triggered left-ventricular pacing for cardiac resynchronization therapy (CRT) in response to conducted signals from a pulse generator.
Journal ArticleDOI
Design and in Vitro Test of a Differentially Fed Dual-Band Implantable Antenna Operating at MICS and ISM Bands
TL;DR: In this paper, the design of a novel differentially fed dual-band implantable antenna operating at 402-405 MHz Medical Implant Communication Services (MICS) band and 2.4-2.5 GHz Industrial, Scientific, and Medical (ISM) band is introduced.
Patent
Mri compatible leadless cardiac pacemaker
TL;DR: In this article, an implantable battery powered leadless pacemaker or biostimulator is provided that may include any of a number of features, such as reduced path lengths between electrodes to minimize tissue heating at the site of the biostIMulator.