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PytuTester: RaspberryPi open-source ventilator tester.

Félix Morales1, Luis Bernal1, Gustavo Pereira1

  • 1Facultad de Ingeniería, Universidad Nacional de Asunción, Paraguay.

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|July 18, 2022
PubMed
Summary
This summary is machine-generated.

PytuTester is a low-cost, open-source ventilator tester designed for bio-engineers. This Raspberry Pi-based device accurately measures critical ventilator parameters, aiding in the development of new prototypes, especially in resource-limited settings.

Keywords:
Low-costMedical hardwareOpen sourcePandemic COVID-19Ventilator tester

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Area of Science:

  • Biomedical Engineering
  • Medical Device Technology
  • Open-Source Hardware

Background:

  • The COVID-19 pandemic highlighted a critical need for accessible ventilator testing solutions.
  • High costs and limited availability of commercial ventilator testers hindered the development of open-source prototypes.
  • There was a significant gap in affordable tools for verifying ventilator performance.

Purpose of the Study:

  • To develop and validate PytuTester, an open-source, low-cost ventilator tester.
  • To provide bio-engineers with a reliable tool for designing and verifying new ventilator prototypes.
  • To address the accessibility challenges of ventilator testing in resource-limited environments.

Main Methods:

  • Development of a ventilator tester utilizing a Raspberry Pi and medical-grade sensors.
  • Presentation of PytuTester's design files and software interface.
  • Validation of the tester's accuracy through comparative analysis with an industry-standard device.

Main Results:

  • PytuTester demonstrated good accuracy in evaluating ventilator efficacy and performance.
  • Flow profiles measured by PytuTester were concordant with the VT650 Gas Flow Analyzer.
  • The tester was successfully deployed in low-resource areas to evaluate DIY ventilator designs.

Conclusions:

  • PytuTester offers a viable, cost-effective solution for ventilator testing and design verification.
  • The open-source nature of PytuTester promotes accessibility and innovation in medical device development.
  • Field deployment confirmed PytuTester's utility in real-world, resource-constrained scenarios.