uDoc - open source patient monitor

Patient monitor measuring ECG and SpO2 running on Odroid/Raspberry Pi platform

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uDoc began as an effort to build a cheap, reliable, open source patient monitor for use in intensive care units in Ukrainian hospitals - where, at the beginning of the COVID-19 pandemic, most ICUs had one patient monitor. Faced with this, we built the uDoc prototype in under a month.

The basic concept is a single-board computer, such as Raspberry Pi, a screen, a USB base station (the same one we use in all our projects), and mouse and keyboard to interact with it. Ultimately we used Odroid C2 for the prototype as it had better specs. The finished device would measure various biometric data, including respiration and O2 levels, but initially we focused on ECG and SpO2 - to use uDoc with our uECG and uOxy devices.

The first prototype worked - first with ECG, then SpO2 - and could support either two uECGs, or a uECG and uOxy simultaneously, and could switch between modes.

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Gnoth-404 wrote 10/27/2021 at 08:21 point

Do you have any further development on this project?

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the_3d6 wrote 10/27/2021 at 18:42 point

Not really - we've been focused on EMG project:
Unfortunately it took all our available time, although we plan to get back to this project at some point

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cylix shane wrote 09/25/2020 at 16:36 point

This is a great idea as we were looking at the same concept here. We have a shortage of respiratory therapists and they cannot constantly monitor the local ventilator SpO2 alarms. Great work! How are you determining your baseline patient SpO2 vs the variance that triggers notification?  Thanks!

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the_3d6 wrote 11/20/2020 at 22:37 point

Hi! We are still working on reliable algorithm for oximeter, so no good answer yet - although we are getting closer, hopefully this year we'll get a good enough solution

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