FUTURE TRENDS WIRELESS TECHNOLOGY IN THE HEALTHCARE ENVIRONMENT Presented by: Barbara Majchrowski Candidate M.H.Sc. Clinical Engineering
Current Wireless Technology COMMUNICATIONS
Communications (con’t) Current PDA Future PDA
Current Wireless Technology MEDICAL USES Medical Telemetry Operating Suites SIDNE™ (Stryker)
Current Wireless Technology MEDICAL USES Bar Code Wireless Infusion Scanner Pump
Current Wireless Technology EMERGENCY MEDICINE
Current Wireless Technology Closed Circuit Television (CCTV) in Intensive Care Units Remote Alarms
Implanted Wireless Devices Couple the sensor to the actuator Ex. Diabetic patients Glucose meter – implanted insulin pump Wireless Microchips Epilepsy Parkinson’s disease
Homecare Continuous Monitoring of Physiologic Parameters ECG NIBP SpO 2 Pill Boxes
“SmartShirt” Georgia Tech Wearable Motherboard™ Georgia Tech Funded by U.S. military Plastic optical fiber T-connectors form flexible bus ECG, RR, temperature Ex. Geriatric / mentally ill / SIDS Ex. Firefighting
Plug-and-Play Interoperability WHY IT IS NEEDED: Specialized applications / multiple vendors Medical devices and clinical information systems No time for configuration or set-up programs
Plug-and-Play Interoperability FACTORS TO CONSIDER: Safety Unambiguous association Reliability HL7 Interoperability Security Scalability
IEEE 1073 IEEE P /D01E Draft Guide for Health informatics – Point-of- care medical device communication – Technical report – Guidelines for the use of RF wireless technology (Unpublished)
IEEE 1073 Summary QoS Components Reliability Latency Priority Bandwidth (Subject to Change) Medical Device Data Categorization Alert notifications Real-time waveforms Real-time parameters Non-real-time parameters Non-real-time events Device control
IEEE 1073 QoS Requirements EXAMPLE: Real-time Alarm Very high reliability (100%) < 10 second latency Very high priority Low, intermittent bandwidth Real-time Waveform High reliability (10 s/day) Latency (?) High priority High, predictable bandwidth
IEEE 1073 EDITORIAL PLAN (v21) DEVICE SPECIALIZATION Infusion Pump Vital Signs Monitor Ventilator Pulse Oximeter Defibrillator ECG Blood Pressure Temperature Dialysis Device Airway Flowmeter Cardiac Output Capnometer Hemodynamic Calculator Pulmonary Calculator Respirator Weighing Scale
The Road Ahead? Bluetooth – Coexistence research (ISM band) Wireless Policy State internal body for resolution of wireless issues Procedure for inclusion of additional wireless networks
References darbelofflab.mit.edu
References (con’t) R. Schrenker and T. Cooper, “Building the Foundation for Medical Device Plug-and-Play Interoperability”, IEEE P /D01E Draft Guide for Health informatics – Point-of-care medical device communication – Technical report – Guidelines for the use of RF wireless technology (Unpublished)
Questions