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Arduino-Based Patient Simulator Rea Rostosky, Matt Venard, Tyler Brann, Ishita Jain

Arduino-Based Patient Simulator Rea Rostosky, Matt Venard, Tyler Brann, Ishita Jain Mentors: Mr. Tommy Roussel & Dr. Darren Brey. Arduino-Based Patient Simulator Rea R., Matt V., Tyler B., Ishita J. What is a Patient Simulator?. Patient .

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Arduino-Based Patient Simulator Rea Rostosky, Matt Venard, Tyler Brann, Ishita Jain

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  1. Arduino-Based Patient Simulator Rea Rostosky, Matt Venard, Tyler Brann, Ishita Jain Mentors: Mr. Tommy Roussel & Dr. Darren Brey Arduino-Based Patient Simulator Rea R., Matt V., Tyler B., Ishita J.

  2. What is a Patient Simulator? Patient Generated Physiological Signal with Known Characteristics Patient Simulator Patient Monitor http://www.healthcare.philips.com http://www.flukebiomedical.com

  3. Current Patient Simulators Expensive Limited Functionality HE Instruments $240 Pronk® SL-8 SimSlim® $1495 Currently used in UofL Bioinstrumentation Lab! Fluke ProSim 8 $1014 http://www.pronktech.com http://www.flukebiomedical.com http://www.heinstruments.com/

  4. Design Importance / Benefits • High Functionality for Low Cost • Who doesn't want that? • Arduino Platform • Open source • Standalone/Portable • Mass producible • Mostly off the shelf parts http://designbuddy.com/how-to-avoid-cheap-logo-design http://arduino.cc/

  5. Intended Users

  6. Design Criteria • < $50 • EKG, Blood Pressure, Respiration, & Temperature Signals • Handheld • Standalone (Battery Powered) • Simple User Interface • Compatible with Various Patient Monitors

  7. Design Timeline V.4 V.3 V.1 V.2 DAQ http://www.gettyicons.com http://www.arduino.cc

  8. 2nd Order RC Filter

  9. Coding • Adapted code to disable built-in interrupt in PWM digital signal • Converting to hexadecimal and acquiring appropriate sample rate • Incorporating user interface • LCD and push buttons http://www.hdwallpapersdepot.com

  10. Design Solution http://www.cooking-hacks.com http://www.sainsmart.com http://www.alkalinebatteries.us http://www.usbgeek.com

  11. Available Signals • Normal EKG • Bradycardia • Tachycardia • Ventricular Bigeminy • Slow Alternating Ventricular Bigeminy • Rapid Alternating Ventricular Bigeminy • Bidirectional Systoles • Arterial Blood Pressure • Normal Resting Respiration • Obstructed Respiration • Hypoventilation • Temperature (37oC)

  12. Testing Data • Verification • Filter must have a cut-off of 7.0 +/- 0.5 kHz (76.9 +/- 6.2 dB) • Approx. 5x larger than highest frequency we output • Difficulty in validation http://statistically-funny.blogspot.com

  13. Benefits of This Design

  14. Future Device Improvements • Power • On/Off Switch • Casing (Battery Access) • Scroll • ...delay • Digital Pin 6 • EKG Leads • The more the merrier Clipart by 3poD - http://clipartof.com/16379

  15. Future Device Direction Projected Growth by 2014 http://www.theiia.org/intAuditor/media/images/forward.png

  16. Conclusions • Functional Arduino-Based Patient Simulator • 12 available signals • LCD/button user interface • Versatile banana clip outputs • Standalone, Powered by 9 volt alkaline battery • Total Component Cost of Final Simulator: ~$35

  17. Lessons Learned • Breadboarding • PCB & Casing Fabrication • Arduino Coding • Improved Oscilloscope Proficiency • Project Management • Troubleshooting ....and how to make PIE!

  18. Acknowledgements University of Louisville, Department of Bioengineering • Mentors - Mr. Tommy Roussel, Dr. Darren Brey, and Dr. Andre Gobin • Preliminary PCB Design - Dr. Martin O'Toole • PCB Fabrication - Doug Jackson • Acrylic Casing Fabrication - Scott Cambron • Ordering Components - Connie York https://louisville.edu/speed/bioengineering/faculty/smallervitruveanguysmallcopy.gif/image_mini

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