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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 SpO2
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 P1073.0.1.1/D01E Draft Guide for Health informatics – Point-of-care medical device communication – Technical report – Guidelines for the use of RF wireless technology (Unpublished)
IEEE 1073Summary
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 1073QoS 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 1073EDITORIAL 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
www.ieee1073.org
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.eduwww.welchallyn.com/medical/
www.stryker.comwww.ortivus.com
www.flicscanner.comwww.baxter.com
www.emergin.comwww.minimed.com
www.freep.comwww.research.ibm.com
www.smartshirt.gatech.eduwww.codebluecommunications.com
www.ieee1073.org
References (con’t)
R. Schrenker and T. Cooper, “Building the Foundation for Medical Device Plug-and-Play Interoperability”, Available @ www.ieee1073.org
IEEE P1073.0.1.1/D01E Draft Guide for Health informatics – Point-of-care medical device communication – Technical report – Guidelines for the use of RF wireless technology (Unpublished)
Questions