How efficient are Toul’s air flow devices to prevent COVID-19?

Toul Meditech have been working for several years with clean air solutions using HEPA filtration which pay an important role in preventing air borne contamination. We have had many questions lately about the protection and safety with the use of our products in respect to Corona.

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Toul’s products Operio and SteriStay uses HEPA filtration of class 14 which has an efficiency of at least 99.995 % to filter particulates of sizes less than 0,18 µm. Operio and SteriStay has an air velocity of 400 m3/h and a MPPS (Most Penetrating Particle Size) of 0,145 µm at that speed. See the graph below:


The graph shows that viruses of a size of 0,05-0,15 µm will be captured in the filter efficiently including the Corona virus (SARS-CoV-2) which is approximately 0.1 um in size. As long as the device is running, the number of airborne pathogens in a contained space will be continually reduced with each circulation of room air through the HEPA filter.

When used in conjunction with other anti-contamination practices, and operated as instructed in the user manuals, the Operio and SteriStay are recommended as a tool for healthcare and other facilities to minimize the spread of the Corona virus and other airborne contaminants between 0.5-0.15 um in size.

Tomas Hansson, CEO Toul Meditech, 2020-03-12

Successful results in Norway

Norway has followed up on the simultaneous use of Operio and SteriStay after a few years in practise.

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Statistics over infections from the Orthopedic clinic in Drammen Hospital in Norway show that the infection rate for 645 knee surgeries was 0.3% and 0% for 646 patients with hip surgery. The infection rate prior to the use of Operio and SteriStay was approx. 1.5%.

Tomas Hansson, CEO Toul Meditech, 2019-05-15

SteriStay has been cleared in the US

Toul Meditech recently got clearance from FDA to market the instrument table in the USA.

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This opens up the market even further on the North American continent. SteriStay has been used successfully in Europe for several years as a standalone instrument table that protects the sterile instruments with HEPA filtered air. When both Operio and SteriStay is combined optimal effects can be reached in the fight against airborne contamination.

Tomas Hansson, CEO Toul Meditech, 2019-05-15

Published study on Operio in Neurosurgery

The study at Karolinska University Hospital involving Operio and SteriStay has recently been published in the Journal of Hospital Infection.

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During the study a total of 233 samples were collected during 45 neurosurgical procedures. The use of MLAF units (Operio and SteriStay) significantly reduced the numbers of CFU in the surgical site area (P<0.001) and above the instrument table (P<0.001).

The name of the study is "Effect of mobile laminar airflow units on airborne bacterial contamination during neurosurgical procedures". To read about the result go to the following link: Journal of Hospital Infection.

Tomas Hansson, 2018-04-16

New distributor in USA

We are proud to introduce Aseptic Air Control as our new US distributor for Toul Meditech products in the USA.

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Aseptic Air Control is a sister company to Aseptic Control Products Inc. who is a wholesale distributor specialized in aseptic products such as surface disinfectants, hand hygiene, instrument reprocessing, liquid medical waste, face protection and exam gloves.

With their broad experience and contacts in the infection prevention area they will be a perfect match for Toul Meditech products. The awareness around infection control and finding alternative solutions to antibiotics is increasing in the US, similar to the rest of the world. The US market is promising since both hospitals and insurance companies will gain in lowering hospital acquired infections. Not to forget the patient, who is the biggest winner.

We look forward to the cooperation and wish for great success. Toul Meditech was previously represented by Vitreq. They were recently acquired by BVI Beaver Visitec and will no longer carry our line of products.


To get in contact:

Aseptic Air Control

3831 Industrial Ave

Unit D

Rolling Meadows Illinois 60008


847-342-1809 fax


Tomas Hansson, CEO, 2018-01-30

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