design of a wireless biosignal monitor
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Design of a Wireless Biosignal Monitor. Presented by: Hala Mostafa Tee Pamon Matthew Mancuso Bridget Matikainen & Simon Rubinsky. Biomedical Engineering Senior Design Professor Helmut Strey April 29, 2009. - PowerPoint PPT PresentationTRANSCRIPT
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Design of a Wireless Biosignal Monitor
Presented by: Hala MostafaTee Pamon Matthew MancusoBridget Matikainen & Simon Rubinsky
Biomedical Engineering Senior DesignProfessor Helmut StreyApril 29, 2009
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Space in the Market• Hospitals
– Greater patient mobility– Inexpensive implementation
• OtherNursing Homes Home Care Research
1. Image taken from http://images.google.com/imgres?imgurl
2. Image taken from http://images.google.com/imgres?imgurl=https://vic.pvhs.org/webpix/orthopedic/ORTHO_RN_PATIENT_040.sized.jpg&imgrefurl
3. Image taken from http://www.superstock.com/resultsframe.asp?tag=index
4. Image taken from http://www.crestock.com/images/1040000-1049999/1040972-xs.jpg
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Design Requirements
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Design Requirements
! X X
SMS Text Alert System
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Evolution of the Wireless Biosignal Monitor Amplifier
Breadboard(NI Elvis Board)
Circuit board
Printed Circuit Board
http://visual.merriam-webster.com/images/science/physics-electricity-magnetism/electronics/printed-circuit-board.jpgzone.ni.com/cms/images/devzone/tut/04150816.JPG
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Wireless Technology• SYNAPSE Wireless Advantages
•Inexpensive
•Easily encrypted (Security)
•Low power
•Range up to 1000ft indoors
•Establishes Mesh network
SNAP stick
SNAP Node ProtoBoard
Mesh Network
All images taken from www.synapse-wireless.com
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ECG Signal• Bioelectric signal
• Displays the voltage difference
• Einthoven’s Triangle
Image taken and modified from http://www.medicine.mcgill.ca/physio/vlab/cardio/images/einthoven.jpg
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SMS Messaging for Emergency Response
ECG signalaquisition
NormalECG?
Data to EMR
SMS Text Alert
NO
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Future Improvements• Incorporation of RFID technology to quickly identify which patients are using which devices
• Multiple Signal Channels
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References 1. Hu F, Calentano L, Xiao Y. 2009. Error-resistant RFID-assisted wireless sensor network
for cardiac telehealthcare. Wirel. Commun. Mob. Comput. 9:85- 101 http://www3.interscience.wiley.com.libproxy.cc.stonybrook.edu/cgibin/fulltext/117923052/PDFSTART.
2. Online digital filter and QRS detector applicable in low resource ECG monitoringsystems. Tabakov, Serafim; Iliev, Ivo; Krasteva, Vessela. Annals of BiomedicalEngineering (0090-6964)November, 2008. Vol.36,Iss.11;p.1805-1815
3. Crumley, Glen C., Noel E. Evans, and William G. Scanlon. "The Design and Performance of a 2.5-GHz Telecommand Link for Wireless Biomedical Monitoring.“ IEEE Transactions on Information Technology in Biomedicine 4 (2000): 285-91.
4. SYNAPSE RF Engine IEEE 802.15.4 RF Modules. < http://www.synapsewireless. com/documents/products/SYNAPSE_RF_Engine.pdf> Accessed December 19,2008.
5. SYNAPSE Evaluation Kit EK2100. < http://www.synapsewireless. com/documents/products/SYNAPSE_EK2100_StarterKit.pdf> Accessed December 19, 2008.