Removal and or reduction of airborne pathogens in the hospital has been an on-going problem for years. The amount of deaths due to post-operative infection in the hospital are about 5.4% per 1000 patients. This may seem high but infections due to opportunistic bacteria (MRSA) and some viruses are on the rise.

Part of the reason for this increase is the ever-changing issue of health care costs and discharging patients much sooner than ever before. In many cases patients that have undergone surgery may acquire an infection in the hospital but it doesn’t manifest itself until the patient is home. And, once the infection is discovered many of these new drug resistant bacteria are difficult if not impossible to treat.

In order to minimize any possibility of infection during surgery hospitals, out-patient surgery centers and burn wards all use HEPA filtered air to maintain a positive pressure arena to eliminate the possibility of infection setting in while the patients body is opened up.

HEPA filters and HEPA systems are also used in the manufacturing of drugs by the pharmaceutical industry to maintain an absolute sterile environment during the manufacturing and packaging processes. Laboratories that do any type of DNA or clinical research all use HEPA systems to protect the health care technicians.

Pure Air Systems has been manufacturing commercial grade HEPA based air filtration systems for the health care industry since 1985. All of the HEPA filters used in the PAS systems are certified to 99.99% at 0.3 microns and smaller.

Pure Air Systems HEPA filtration systems are recognized around the world as the most powerful, adaptive and operationally the best performing systems for the reduction and removal of airborne pathogens in the health care market.

Pure Air Systems makes fan powered, variable speed, low to high volume (CFM) systems that can be adapted to almost any application where the need for HEPA filtration is required. PAS units use a Genteq (GE) ECM variable speed 120/240 volt 50/60Hz motor that can  be used anywhere in the world.

In many parts of Africa and other third world countries, PAS HEPA units are used as the primary air filtration system for their surgery rooms. The larger 2000 HS, 2000 CFM units can pressurize an operating room that is 20’x20′ and maintain a sterile environment.

For some of the smaller applications, the PAS 600HS series and the new HPS portable HEPA units are well suited. The newer HPS portables work well in the small clinic, research lab, out-patient surgery applications. And, like the larger PAS units, the HPS series uses a variable speed motor to provide volume control to meet the specific demand of the application.

Infection and the spread of airborne diseases is an ever growing problem. One has only to turn on the TV, read a newspaper or talk to a friend and see the issues surrounding he H1N1 flu challenges.

The health care industry is dealing with more sophisticated and deadly bacteria, viruses and other pathogens. The use of the HEPA filtration systems by Pure Air Systems makes tackling these issues a little easier and provides for a much safer environment for both the technician, doctors, nurses and patients.

For more information on the complete line of commercial grade HEPA systems go to:


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About the Author: Don Musilli

My name is Don Musilli. I started Pure Air Systems in 1985 and then sold it in 2006. I continue to consult for PAS and write their blog and control their Twitter account. I also, on occasion, make changes to the website. The company is now almost 26 years old and has been a major player in offering commercial grade, high performance HEPA and Carbon based filtration systems for the commercial, institutional, industrial and residential markets.

I currently reside in Englewood, Florida where I write blogs and do social media marketing for a number of clients.

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