MEDICAL APPLICATION NOTES
Microwave Office® Software Improves Heart Condition Treatment
Meridian Medical Systems develops products that use microwave energy to generate heat, measure radiation and motion, and monitor and maintain the temperature of blood and other fluids. This application note discusses how AWR Microwave Office’s design software was recently used to develop an accurate feedback mechanism for cardiac arrhythmia.
Modeling The Specific Absorption Rate Distribution Of A Smartphone
This application models the specific absorption rate (SAR) distribution in a human head, heart, and body exposed to an electromagnetic field emitted from a handheld cellular phone operating in GSM (900 MHz and 1,800 MHz) and GPS range in a partially closed environment. In the modeling, SAM Phantom IEEE model and a realistic human head and body are used to investigate both the local and average SAR of 1 g and 10 g tissue.
Medical Applications Guide
This download contains information on Texas Instruments’ ability work in applications involving the consumer medical, medical imaging, medical instrumentation, connectivity solutions, and diagnostic, patient monitoring, and therapy market segments within the medical field.
Signal Switching for Medical Device Testing App Note
Maintaining signal integrity is critical in medical device testing and characterization. The signal's shape, as well as its frequency, amplitude and other electrical parameters must be preserved for accurate measurement and evaluation.
MEDICAL CASE STUDIES AND WHITE PAPERS
Ultra-Low Power Wakeup Radios And The Internet Of Things
The growth of the Internet of Things (IoT) is expected to accelerate in the coming years, propelled by the lower cost and increasing connectivity of the network. Many of the communication devices for the IoT will have power constraints, due to their small size and the requirement to operate off small batteries for long periods of time. This paper will examine some of the requirements of such low power communication systems, the need for low power wakeup radios with example applications, and a comparison of candidate technology.
Wearing A Wire
Synapse uses ANSYS HFSS and the ANSYS human body model to evaluate performance of various antenna designs by modeling the complete system, including the wireless device and antenna and their interactions with the human body. By Bert Buxton, ANSYS
A Multiphysics Approach To Magnetron And Microwave Oven Design
The magnetrons used in microwave ovens operate on the same frequency band as Wi-Fi equipment, and the radiation they release can interfere with the operation of wireless networks. This paper presents a multiphysics simulation of a magnetron using CST STUDIO SUITE®, with the aim of testing the electrical, magnetic, thermal and mechanical characteristics of a low-interference magnetron design. The simulation results are then compared to measurements made experimentally, and the two sets of results are shown to be in good agreement.
A Four-Element 'Clover' Transceiver Array For 3 Tesla Cardiac MRI
The design of radio frequency (RF) coils is of paramount importance to the quality and safety of Magnetic Resonance Imaging (MRI). Being the signal generator and detector of MRI, RF coils are required to generate a uniform excitation in the target during transmission and high signal-to-noise ratio (SNR) during reception. In the meantime, RF coils must not cause subject overheating in in-vivo human studies. This requires that RF energy deposited inside the human body and coupled to receivers should be minimized. By Shumin Wang and Hai Lu
MEDICAL PRODUCTSMore Medical Products
Researchers Design First Battery-Powered Invisibility Cloaking Device
Researchers at The University of Texas at Austin have proposed the first design of a cloaking device that uses an external source of energy to significantly broaden its bandwidth of operation.
Graphene-Based Nano-Antennas May Enable Networks Of Tiny Machines
Networks of nanometer-scale machines offer exciting potential applications in medicine, industry, environmental protection and defense, but until now there’s been one very small problem: the limited capability of nanoscale antennas fabricated from traditional metallic components.
A New Paradigm For Nanoscale Resolution MRI
A team from the University of Illinois at Urbana-Champaign and Northwestern University has devised a novel nuclear magnetic resonance imaging (MRI) technique that delivers a roughly 10 nanometer spatial resolution. This represents a significant advance in MRI sensitivity — modern MRI techniques commonly used in medical imaging yield spatial resolutions on the millimeter length scale.