Wireless Technologies in Common Medical Electronics

Technical overview of wireless technologies for medical devices and telemedicine, highlighting Bluetooth and ZigBee use in monitoring, plus RFID, IEEE 802.11 and LTE.

Liquid Sensing From Water to Blood

Overview of impedance measurement techniques for medical liquid sensing, covering EIS, potentiostat, pH/conductivity methods and an ADuCM355 integrated front end.

Multispectral Optical Measurements for Advanced SpO2 and HRM

Reference design for multispectral PPG-based heart-rate and SpO2 monitoring using the AFE4420, with time-multiplexed LEDs/PDs and low-power coin-cell operation.

GSM-Based Remote Medical Automatic Alert System

GSM-based remote medical alert system design for elderly: MSP430-controlled vital-sign monitoring and ADXL345 fall detection with GSM transmission and central-station alerts.

Simplifying Portable Medical Device Design with Analog ICs

Describes single-chip portable medical devices using an ultra-low-power MCU with integrated analog front end: op amps, 12-bit ADC/DAC, DAC-based AGC and low-power design.

Applications and Principles of Laser in Ophthalmology

Overview of laser ophthalmology: wavelength-dependent tissue absorption and mechanisms—photothermal, photochemical and photomechanical effects in ocular therapy.

Two Primary Methods for Measuring Heart Rate

Overview of heart rate monitoring techniques for wearables, comparing optical PPG/pulse oximetry and bioelectric ECG approaches, with AFE design and power considerations.

Design and Implementation of Temperature Charts in EMR Systems

Technical overview of EMR temperature chart design and implementation: generation, coordinate transforms, pagination, and rendering techniques for clinical record systems.

Mobile Health in Clinical Closed-Loop Management

Mobile nursing and closed-loop management in hospital IT: bedside PDA barcode verification and EMR-level workflows to improve patient safety and care quality.

Ultrasound Smart Probes: From Trolley to Handheld

Overview of challenges in designing ultrasound smart probes: power, size, channel count, per-channel power, data processing and transmission for handheld imaging.

Nuclear Medicine Imaging Equipment: Types and Process

Technical overview of nuclear medicine imaging and SPECT, covering imaging principles, instrumentation, imaging workflow, functional imaging capabilities, and clinical requirements.

Design and Testing of a Wearable Wireless ECG Recorder

Design and test of a low-power wearable wireless ECG recorder using ADS1191, with Bluetooth streaming, wireless charging, and validated input impedance, CMRR, frequency response.

Rapid Design of an Infrared Body Temperature Detector

Design guide for battery-powered infrared thermometer systems using MSP430 microcontrollers, low-noise analog rails, precision amplifiers, and power-management components.

Design and Analysis of a Pulse Signal Detection System

Bioimpedance pulse measurement using LabVIEW for demodulation, Butterworth filtering, waveform feature extraction and regression analysis to assess cardiovascular conditions.

Hemodialysis Device Safety: Electrical and Functional

Hemodialysis safety analysis: electrical safety requirements and leakage current paths, plus functional safety controls, sensors, alarms, ultrafiltration and air/blood detection.

Glucose Meter Designs Using HT45F and BH66/67 Series

Reference designs for standalone LCD and HCT glucose meters using Holtek MCUs with 12-bit ADC, precision DAC and OPAs for electrochemical and impedance HCT measurement.

Pros and Cons of Intelligent Healthcare

Intelligent healthcare: AI-enabled clinical benefits and centralized data management, workforce relief, and challenges including loss of bedside empathy and data privacy risks.

Simple Homemade Body Fat Meter

Simple DIY body fat meter based on bioelectrical impedance: 5 kHz Wien-bridge oscillator, foot electrodes, high?impedance detector and diode rectifier for voltage monitoring.

External Wireless Power for Implantable Medical Devices

MIT and Brigham research presents IVN: a radio-wave wireless power and communication system for battery-free implantable devices enabling drug delivery and sensing.

Multifunction Patient Monitor Circuit Using AFE4900

Wearable multi-parameter patient monitor reference design using AFE4900 for synchronous PPG measurements and BLE wireless data transfer for heart-rate and SpO2