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The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
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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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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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Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
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Related Experiment Video

Updated: Dec 19, 2025

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A Novel, Inexpensive Portable Respiratory Protection Unit for Prehospital Use: A Technical Note.

Christopher Sampson1, Adam Beckett1

  • 1Emergency Medicine, University of Missouri School of Medicine, Columbia, USA.

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A low-cost, easily built device offers limited protection against infectious aerosols during intubation for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) patients in prehospital settings. This portable unit can be rapidly assembled on scene.

Keywords:
covid-19emsintubation

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Area of Science:

  • Emergency medicine
  • Infectious disease control
  • Medical device engineering

Background:

  • Heightened concern exists regarding infectious aerosol exposure during intubation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) patients.
  • Existing methods for aerosol containment may not be suitable for prehospital environments.

Purpose of the Study:

  • To modify a previously designed portable aerosol containment device for prehospital use.
  • To assess the feasibility and potential benefits of this device in managing SARS-CoV-2 patients during intubation.

Main Methods:

  • The device was constructed using polyvinyl chloride pipe and automobile collision wrap.
  • Construction time was under 30 minutes, with material costs under $50.
  • Assembly time on scene was under two minutes.

Main Results:

  • The modified device is portable, inexpensive, and easily constructed.
  • It can be stored in an ambulance and rapidly assembled.
  • The device offers potential limited protection against aerosolization during video laryngoscopy.

Conclusions:

  • The described device is a practical and cost-effective solution for prehospital aerosol containment during intubation.
  • Its ease of construction and rapid assembly make it suitable for emergency medical services.
  • Further studies are warranted to quantify the level of protection offered.