Tissue Variability and Antennas for Power Transfer to Wireless Implantable Medical Devices
The design of effective transcutaneous systems demands consideration of inevitable variations in tissue characteristics, which vary across body areas, among individuals, and over time. The purpose of the current study was to design and evaluate several printed antenna topologies for ultra high-frequency (UHF) transcutaneous power transfer to implantable medical devices, and to investigate the effects of variations in tissue properties on dipole and loop topologies.
A System for Simple Real-Time Anastomotic Failure Detection and Wireless Blood Flow Monitoring in the Lower Limbs
Current totally implantable wireless blood flow monitors are large and cannot operate alongside nearby monitors. To alleviate the problems with the current monitors, we developed a system to monitor blood flow wirelessly, with a simple and easily interpretable real-time output. To the best of our knowledge, the implanted electronics are the smallest in reported literature, which reduces bio-burden. Calibration was performed across realistic physiological flow ranges using a syringe pump.