Quad Rat Vitals Monitor Team: Jack Ho Nathan Werbeckes Joseph Yuen Guest Starring: Kuya Takami Client: Dr. Alex Converse Advisor: Dr. Tom Yen.

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Presentation transcript:

Quad Rat Vitals Monitor Team: Jack Ho Nathan Werbeckes Joseph Yuen Guest Starring: Kuya Takami Client: Dr. Alex Converse Advisor: Dr. Tom Yen

Problem Statement Vitals for anesthetized rats during PET imaging – Heart rate ( bpm) – Rectal temperature (93 – 100° F) – Respiration rate (20-30 bpm) Current oximeter is designed for “small animals” – Inaccurate at faster heart rates Current devices too expensive – Budget = $4,000 USD Problem Statement : Background Info : Design : Future Work Jack Ho Team Leader

Quad Adjustable Isoflurane Delivery * O2O2 Isoflurane Rat *Slide by Dr. Alex Converse Problem Statement : Background Info : Design : Future Work Jack Ho Team Leader

Current Devices Veterinary Oximeters – Nonin, Bionet, etc. Starr Life Sciences – MouseOx Expensive Problem Statement : Background Info : Design : Future Work Jack Ho Team Leader

Decided to buy sensors (FSR, pulse-ox, thermistor) Design and build circuit elements Integrate and display with LabVIEW Last Semester’s Final Design Problem Statement : Background Info : Design : Future Work Nate Werbeckes Communicator

Final Design Problem Statement : Background Info : Design : Future Work Computer LabView Computer LabView DAq Box Heart Rate Blood Oxygen Level Temperature Respiratory Rate Nate Werbeckes Communicator

Heart Rate Pulse-Ox clip Transimpedance, differential, & non- inverting amp Process with peak detection algorithm Display in LabVIEW Working on: peak detection accuracy DESIGN : Heart Rate : Temperature : Breathing Rate Nate Werbeckes Communicator

Temperature Oral Thermometer from Walgreen's Voltage divider & non-inverting amp Heat-shrinking plastic Display and integrate in LabVIEW It works! DESIGN : Heart Rate : Temperature : Breathing Rate Joseph Yuen BSAC & BWIG

Breathing Rate Force Sensing Resistor (FSR) Voltage divider Place underneath rat Display and integrate with LabVIEW Needs to be tested DESIGN : Heart Rate : Temperature : Breathing Rate Joseph Yuen BSAC & BWIG

Future Work Test FSR breathing rate monitor with rat Choose most accurate peak detection algorithm Integrate and display all information in LabVIEW Create full scale model for four rats simultaneously Problem Statement : Background Info : Design : Future Work Joseph Yuen BSAC & BWIG

References Webster, J. G., Design of Pulse Oximeters. IOP Publishing Ltd Ford D., D. Nachreiner, R. Thomas, “Design of a Pulse Oximeter for Use in Mice” Starr Life Sciences (website). MouseOx References : Questions

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