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Related Concept Videos

Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

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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.
Negative-Pressure Ventilators
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Ventilatory Modes01:14

Ventilatory Modes

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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.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
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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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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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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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Cardiopulmonary Resuscitation II: ACLS Airway Management01:22

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Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned...
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Mechanical Ventilation Boot Camp Curriculum
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Partially RepRapable automated open source bag valve mask-based ventilator.

Aliaksei Petsiuk1, Nagendra G Tanikella2, Samantha Dertinger3

  • 1Department of Electrical & Computer Engineering, Michigan Technological University, USA.

Hardwarex
|August 25, 2020
PubMed
Summary
This summary is machine-generated.

This study presents a low-cost, 3D-printable automated bag valve mask (BVM) compression system. This emergency ventilator offers controlled breathing parameters and surpasses manual ventilation accuracy.

Keywords:
3-D printingCOVID-19CoronavirusCoronavirus pandemicEmbedded systemsInfluenza pandemicMedical hardwareOpen hardwareOpen sourceOpen source medical hardwarePandemicPandemic ventilatorReal-time operating systemRepRapSingle-limbVentilationVentilator

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Area of Science:

  • Biomedical Engineering
  • Medical Devices
  • Open-Source Technology

Background:

  • Acute shortages of ventilators and supply chain disruptions necessitate innovative emergency solutions.
  • Manual ventilation using bag valve masks (BVMs) is prone to inconsistencies and human error.

Purpose of the Study:

  • To develop a simple, affordable, and portable automated BVM compression system for emergency ventilation.
  • To create a reliable and scalable device using 3D-printable components and an Arduino controller.

Main Methods:

  • The system utilizes an Arduino controller with a real-time operating system on a 3D-printable structure.
  • Parametric design and object-oriented algorithms allow for customization and scalability.
  • The device offers controlled tidal volumes (100-800 mL), breathing rates (5-40 bpm), and I:E ratios (1:1 to 1:4).

Main Results:

  • The automated BVM system demonstrated repeatability and accuracy exceeding human capabilities in tests on an artificial lung.
  • Key parameters including peak inspiratory pressure (PIP), respiratory rate (RR), positive end-expiratory pressure (PEEP), and tidal volume were accurately controlled.
  • The material cost for the system is under $170, promoting global accessibility.

Conclusions:

  • The developed automated BVM system serves as a viable temporary emergency ventilator.
  • Its affordability, ease of construction, and performance make it a valuable resource during critical shortages.
  • Further development is recommended for potential clinical deployment beyond emergency use.