Methods and Devices for Disinfecting Exhaust Air from Ventilators and Other Systems from Viruses and Bacteria Contamination


Apparatus that disinfects contaminated exhaust air from life support devices and air filtration devices.


The Invention

This apparatus disinfects contaminated air from one or more life support devices such as a ventilator, biPAP, ECMO or an air filtration device from a car, ship, plane, building.

As the exhaust air flows through the device, a heat source will kill the bacterias and/or viruses at a higher temperature ranging from 100℃ - 500℃ or even higher in a confined environment. Potential heat source includes electric heat sources, gasses, infrared heat sources, microwave heat sources, and/or ultraviolet (UV) heat sources.

After disinfection, the exhaust air can be released into ambient air or be further treated.

Key Benefits

  • Heat source is not limited to a specific type
  • Inlet of the apparatus can be connected to another device to directly receive exhaust air
  • Released air from apparatus is tested regularly


  • Medical device
  • Air filtration

Market Opportunity

As this device can be used with a variety of other devices, it has various markets such as medical device manufacturing and air purification equipment manufacturing.

The medical device manufacturing market is currently $49.8 billion and is expected to grow at a CAGR of 3% to $57.7 billion by 2028. The air purification equipment manufacturing market is currently $7.6 billion and is expected to grow at a CAGR 1.3% to $8.1 billion by 2028.

Currently, ventilators are not disinfected properly, which can be life-threatening to patients as there has been a large increase of diseases transmitted through airborne transmission in the past few years such as COVID-19. As a result, viruses and bacteria are released into the air and may infect medical professionals and other nearby people.

Existing air filtration devices cannot be connected to a device, possibly allowing the contaminated air to infect people before it can be disinfected. Furthermore, existing devices lack regular testing of released air for contaminants.

Development and Intellectual Property Status

Concept and early stage




Patent Information:
For Information, Contact:
Zachary Miles
Associate Vice President for Technology & Partnerships
University of Nevada, Las Vegas
Zhiyong (John) Wang
Jiulian Fu
Life Science
Life Science - Biology
Life Science - Biotech
Life Science - Health
Med Devices, Diagnostics & Healthtech
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