category » Medical Electronics

Flexible High-Density MoS2 Sensor Arrays for Monitoring Action Potentials
  • Monolayer MoS2, a transition metal dichalcogenide, is a novel flexible semiconducting material with a 1.8 eV direct band gap.  Recent…


An Ingestible Pill for Ultrasound Imaging of Small Intestine
  • The small intestine is one of the most difficult organs to image because of its length and narrow winding path….


Cathode for X-ray Generation with Arrays of Individually Addressable Field Emitters Controlled by Vertical Ungated FETs
  • This work focuses on the design and fabrication of a cathode for a portable X-ray source. The cathode is made…


Electro-chemical Stimulation of Neuromuscular Systems Using Ion-selective Membranes
  • Spinal cord injury (SCI) leads to paralysis, decrease in quality of life, and high lifetime medical costs. Direct nerve functional…


A Wearable, Long-term Cardiac Monitor
  • We have developed an experimental cardiac monitor for long-term data acquisition and analysis. The monitor consists of a central printed…


Analog Front-end Design for Wearable Ultrasound Systems
  • The capacitive micromachined ultrasound transducer (CMUT) is an alternative to traditional piezoelectric transducers. The CMUT technology provides an opportunity for…


A Subdermal EEG Monitor for Seizure Detection
  • Epilepsy is a common chronic neurological disorder that affects about 1% of the world population[1]. It is characterized by repeated…


Universal Village: Our Desired Living Conditions
  • Due to the growing populations in cities, resources for city and village residents have become scare while costs for public…


An Electronically Steered, Wearable Transcranial Doppler Ultrasound System
  • The central objective of critical care for patients affected by neurotrauma, cerebrovascular accident (i.e., stroke), and other neurovascular pathologies is…


A Wearable Vital-signs Monitor at the Ear
  • Vital signs such as heart rate, blood pressure, blood oxygenation, cardiac output, and respiratory rate are necessary in determining the…


Body Coupled Communication
  • Body coupled communication (BCC) uses the conductive tissues in the body as a channel to form a body area network…


Low-power High-performance SAR ADC with Redundancy and Digital Background Calibration
  • A. H. Chang, H.-S. Lee, D. S. Boning Sponsorship: Masdar Institute of Science and Technology There is a growing demand…


Stretchable Pressure- and Shear-sensing Skin Printed from PDMS
  • In the fields of robotics and prosthesis design, there is need for inexpensive, wide-area pressure- and shear-sensing arrays that can…


Flexible Probes for in vivo Recording and Stimulation of Neural Tissue
  • Probing and stimulating neural tissue is important to understand fundamentals of information processing and pathologies of the nervous system such…


Silicon Field Emission Devices for X-ray Generation
  • This work focuses on developing an X-ray source using microfabricated silicon field emission devices. In the X-ray source, the electrons…


Computational Electromagnetics Tools for High-field Magnetic Resonance Imaging
  • Last-generation magnetic resonance imaging (MRI) scan technology allows combining higher fields with parallel transmit-coil arrays to improve the signal-to-noise ratio…


Scalable 3-D Microelectrode Recording Architectures for Charac-terization of Optogenetically Modulated Neural Dynamics
  • Optogenetics is commonly used for precision modulation of the activity of specific neurons within neural circuits[1], but assessing the impact…


Waveguide Micro-probes for Optical Control of Excitable Cells
  • Optogenetics is the safe, effective delivery of light-gated membrane proteins to neurons and other excitable cells (e.g., muscle, immune cells,…


Decoupling of Parallel Transmission Arrays in Magnetic Resonance Imaging
  • In coupled parallel transmission (pTx) arrays, the power delivered to a channel is partially transmitted to other channels and partially…


Compact Modeling Techniques for Enabling Full-Body Cardiovascular Simulation
  • The recent development of cardiovascular simulation furthers the understanding of physiological conditions of blood-related disorders. For example, detailed finite volume…


Continuous and Non-invasive Blood Pressure Monitoring via an Ultrasonic Method
  • An arterial blood pressure (ABP) waveform provides valuable information in treating cardiovascular diseases of patients in a critical-care unit. In…