bloodwarm_07 - Introduction to Project Design and test a...

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Introduction to Project Design and test a portable, autonomous blood warming system to treat victims of hypovolemic hypothermia Include control system that quickly raises blood temperature, yet does not denature blood Minimal user interaction required
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Motivation Hypothermia classified as a drop in core body temp to 35º or lower Lethal Triad for trauma patients Hypothermia Acidosis Coagulopathy 50% mortality for 34ºC >90% mortality for 32ºC
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Design Goals Rapid, yet safe, warming of blood Portable for use with first responders or medics Operators require no specialized training or knowledge beyond paramedic training Simple display shows temperature and error codes
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Overall Design Disposable heparinized heat exchanger core Catalytic heater with fuel tank Temperature monitoring at inlet, outlet and near catalytic heater External pump, or may use natural pressure gradient between arteries and veins
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Control Loop Set Temp (37º) PID Algorithm Measured Temp Valve Setting +-
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bloodwarm_07 - Introduction to Project Design and test a...

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