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– Point-of- care medical device communication – Technical report – Guidelines for the use of RF wireless technology (Unpublished)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– Point-of-care medical device communication – Technical report – Guidelines for the use of RF wireless technology (Unpublished)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