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.

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.

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.

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.

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.

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.

Common Gas Chromatograph Faults and Troubleshooting

Practical troubleshooting guide for gas chromatograph faults: no peaks after injection, baseline issues, missing peaks due to contamination or column degradation.

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.

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.

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.

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.

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.

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.

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

Applications and Development of Ultrasound Imaging in Medicine

Technical overview of ultrasound imaging: clinical applications, digital and probe technology, 3D and panoramic techniques, and molecular imaging advances

Laparoscopy in Gynecologic Diagnosis and Treatment

Review of laparoscopy in gynecology: history, surgical applications, advantages, limitations and technical considerations for laparoscopic procedures and training.

NTC Thermistors and RFID for Medical Applications

Summary of Murata NTC thermistors and UHF RFID tags for medical applications, detailing sensor characteristics, RFID device tracking, sterilization and traceability.

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.

Choosing Wireless Standards for Telemedicine Use Cases

Telemedicine wireless interoperability overview with practical guidelines for choosing wireless standards (Bluetooth, ZigBee, PAN/WAN, IP) for medical devices.