New era of electroceuticals: clinically driven smart implantable electronic devices moving towards precision therapy

RP Magisetty, SM Park - Micromachines, 2022 - mdpi.com
In the name of electroceuticals, bioelectronic devices have transformed and become
essential for dealing with all physiological responses. This significant advancement is …

A 13.56-MHz wireless power and data transfer system with current-modulated energy-reuse back telemetry and energy-adaptive voltage regulation

M Kim, HS Lee, J Ahn, HM Lee - IEEE Journal of Solid-State …, 2022 - ieeexplore.ieee.org
Wireless power/data transfer (WPDT) through an inductive link has been an essential
technique in a wide range of applications, especially for implantable medical devices (IMD) …

A 21.3%-efficiency clipped-sinusoid UWB impulse radio transmitter with simultaneous inductive powering and data receiving

N Soltani, HM Jafari, K Abdelhalim… - … Circuits and Systems, 2022 - ieeexplore.ieee.org
An ultra-wide-band impulse-radio (UWB-IR) transmitter (TX) for low-energy biomedical
microsystems is presented. High power efficiency is achieved by modulating an LC tank that …

A low-stimulus-scattering pixel-sharing sub-retinal prosthesis SoC with time-based photodiode sensing and per-pixel dynamic voltage scaling

K Eom, M Park, HS Lee, SB Ku, N Kim… - IEEE Journal of Solid …, 2023 - ieeexplore.ieee.org
This article proposes a 505-channel pixel-sharing sub-retinal prosthesis (PSRP) system-on-
chip (SoC) that aims to effectively restore patients' visual acuity using the modular …

A 92%-Efficiency Inductor-Charging Switched-Capacitor Stimulation System With Level-Adaptive Duty Modulation and Offset Charge Balancing

K Eom, HS Lee, M Park, SM Yang… - IEEE Journal of Solid …, 2023 - ieeexplore.ieee.org
This article proposes an inductor-charging switched-capacitor stimulation (iSCS) system
capable of high-efficiency capacitor charging and high-efficacy decaying exponential …

A 13.56-MHz Single-Input Dual-Output Wireless Power and Data Transfer System for Bio-Implants

Y Liu, Y Yao, WH Ki - IEEE Journal of Solid-State Circuits, 2024 - ieeexplore.ieee.org
A 13.56-MHz single-input dual-output (SIDO) wireless power and data transfer (WPDT)
system designed for bio-implants is presented. The system incorporates a reconfigurable …

A Highly-Scalable Poisson-Coded Retinal Optogenetic Stimulator with Fully-Analog ED-Based Adaptive Spike Detection and Closed-Loop Calibration

T Yousefi, G Zoidl, H Kassiri - IEEE Transactions on Biomedical …, 2024 - ieeexplore.ieee.org
We present a fully implantable, inductively powered optogenetic stimulator that enhances
stimulation efficacy and pathway specificity while maximizing energy efficiency and channel …

A 92.7%-Efficiency 6.78-MHz Energy-Resuscitating Resonant Regulating Rectifier With Dual Outputs for Wirelessly Powered Devices

HS Lee, HM Lee - IEEE Journal of Solid-State Circuits, 2024 - ieeexplore.ieee.org
This article presents an energy-resuscitating resonant regulating rectifier (ER for wireless
power transfer (WPT) systems. ER can convert the energy that would otherwise be wasted in …

Development of Ocular Muscle Stimulation Systems and Optimization of Electrical Stimulus Parameters for Paralytic Strabismus Treatment

K Eom, HS Lee, M Park, SM Yang… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Paralysis of the extraocular muscles can lead to complications such as strabismus, diplopia,
and loss of stereopsis. Current surgical treatments aim to mitigate these issues by resecting …

An Energy-Efficient Wireless Power Receiver With One-Step Adiabatic-Bipolar-Supply Generating for Implantable Electrical Stimulation Applications

K Cui, X Fan, Y Ma - IEEE Transactions on Biomedical Circuits …, 2024 - ieeexplore.ieee.org
This paper presents an energy-efficient wireless power receiver for implantable electrical
stimulation applications, which can achieve one-step adiabatic bipolar-supply that is …