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# Status
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# Project Status
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* Prototype running (since 3/27) in long duration test to assess lifetime, failures, and refine design
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* Working with relevant medical personnel to refine and improve the design
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* Preliminary release (v0.1) available
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* Beginning discussions with FDA
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* completed 3 week test of v0.1 unit on 4/17, updated to v0.2 configuration and resumed test
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* prototype units have shipped to medical personnel for assessment
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* software/hardware v0.2 release now available
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* looking at adding more sensing, improving/adding control modes, and increasing power
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# v0.1
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# v0.2
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## Description
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* Automated Ambubag device controlled by a Pi 4 and actuated by two NEMA 17 stepper motors
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* Touch screen interface (english, espanol, italiano)
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* Variable tidal volume and respiratory rate control
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* Variable tidal volume and respiratory rate control, assist control
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* Alarms for patient disconnect, software failure, sensor failure
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* Structure is entirely 3D printed
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* Parts cost is currently ~$170 (not including filament, which is ~$25)
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* Demonstrated device lifetime of 10+ days (test still running, requires periodic replacement of spur gears)
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* Demonstrated device lifetime of 21+ days (requires periodic replacement of spur gears)
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NEW in v0.2
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* Software (v0.2 release now available)
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* tidal volume has been calibrated from 100-600mL and should be within -30 to +10mL of target
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* now operates at up to 30 breaths per minute
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* new assist control mode
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* new patient disconnect, software failure, and sensor failure alarms
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* alarm tone should comply with IEC 60601-1-8
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* Hardware
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* new structure is more stiff and robust
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* improved cable management
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![Capture](uploads/66ca881db6e578cef109cd28dfccae35/Capture.PNG)
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### 3D Printed Part Files
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[LCAEV-0.1-parts.zip](uploads/5fba291c5bb63026536299bb34f95456/LCAEV-0.1-parts.zip)
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[LCAEV-0.2-parts.zip](uploads/b3229333d6969a8ea36e2a2897a55104/LCAEV-0.2-parts.zip)
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### Non-Printed Components
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* 1x Raspberry Pi 4 (any version)
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### Build Instructions
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[LCAEV_Assembly_Instructions.pdf](uploads/a6e84f77ee6a3ce6cd33c2e09933d5db/LCAEV_Assembly_Instructions.pdf)
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* these need to be updated...
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1. Order parts
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1. Print components
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