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Related Concept Videos

Assessment of Ventilation I: Respiratory Rate01:20

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Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
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Mechanical Ventilation III: Noninvasive Ventilation01:23

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Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation...
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Mechanical Ventilation II: Invasive Ventilation01:23

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Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
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Ventilatory Modes01:14

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Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
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Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

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Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
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Mechanical Ventilation I: Indication and Settings01:29

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Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
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COVENT-Tester: A low-cost, open source ventilator tester.

Tomy Abuzairi1, Ahli Irfan1, Basari2

  • 1Electrical Engineering, Department of Electrical Engineering, Faculty of Engineering, Universitas Indonesia, Depok 16424, Indonesia.

Hardwarex
|April 13, 2021
PubMed
Summary

The COVENT-Tester is a low-cost, open-source device for calibrating medical ventilators, measuring key outputs like oxygen concentration. This innovation addresses limitations in existing testers, making ventilator calibration more accessible.

Keywords:
3-D printCOTSCOVID-19Low-costMedical hardwareOpen sourcePandemicVentilator tester

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Area of Science:

  • Biomedical Engineering
  • Medical Device Development
  • Open Source Technology

Background:

  • Existing open-source ventilator testers lack oxygen concentration measurement capabilities.
  • Commercial ventilator testers capable of measuring tidal volume, inspiratory pressure, and oxygen concentration are prohibitively expensive.
  • There is a need for accessible, accurate tools to calibrate ventilators, especially for pandemic response.

Purpose of the Study:

  • To develop a low-cost, open-source ventilator tester named COVENT-Tester.
  • To enable measurement of tidal volume, inspiratory pressure, and oxygen concentration.
  • To support the open-source community in rapidly manufacturing pandemic ventilators.

Main Methods:

  • Utilized Commercial Off-The-Shelf (COTS) components to minimize cost.
  • Designed as an open-source hardware and software solution.
  • Validated measurement accuracy through rigorous testing.

Main Results:

  • The COVENT-Tester successfully measures tidal volume, inspiratory pressure, and oxygen concentration.
  • The device is constructed using affordable COTS components.
  • Validation results confirm the COVENT-Tester's good measurement accuracy.

Conclusions:

  • COVENT-Tester provides a low-cost, open-source solution for comprehensive ventilator calibration.
  • It addresses a critical gap in the availability of affordable, multi-parameter ventilator testers.
  • The device is suitable for supporting rapid ventilator manufacturing efforts during health crises.