Evidence HUAIRS Technology | Aerobiotix


Building awareness and providing solutions to create better air for healthcare.

Aerobiotix, Inc. continually commissions independent and collaborative research on our technologies, partnering with leading biomedical institutions globally. In doing so, many scientific studies have been produced to show the effectiveness of HEPA-Ultraviolet air recirculation (HUAIRS) technology. These studies range from laboratory testing, case studies, conference presentations and peer-reviewed papers.

  • Reduced bacterial level 80 to 20 CFU/m³ in orthopedic OR¹
  • Reduced bacterial levels 67% in general surgery OR²
  • Reduced bacterial levels 41% in routine care³
  • Reduced viable biological particle levels up to 80% in orthopedic OR⁴
  • Reduced incidence of surgical site infection in joint procedures⁵
  • Reduced electrocautery smoke plume levels⁶
  • Reduced cardiac heater-cooler emissions

Peer Reviewed

A mobile device reducing airborne particulate can improve air quality

Messina G., et al. Presented at EUPHA 2019. A key finding: When the system was turned off intraoperatively, contamination rapidly increased.

Canberra Australia Presentation

Total and Viable airborne particulates during orthopaedic surgical procedures

AAHKS Presentation on C-UVC Disinfection and Recirculation Units

Curtis, G. et al. AAHKS Presentation on C-UVC units and the reduction of total and viable air particles in the OR.


Presentation on the Effect of a Novel Air Decontamination-recirculation system

Walsh, W.R., et al Presentation on study of viable and total airborne particulates during surgery.

ORS Presentation on Reduction of Particles

Presented at ORS 2018 on Reduction of Particles in the OR using C-UVC Units

Airborne Bacteria in the OR reduced by HUAIRS

Presented at Surgical Infection Society 2017 by Dr. Eachempati. HUAIRS reduced airborne bacterial content in active OR by 67.7%.

The Effect of a Novel Air Decontamination Recirculation System on Viable Airborne Particulates

Presented at The European Bone and Joint Infection Society, 2017, by W.R. Walsh, PhD, et al., reported 99.5% reduction in viable particle counts.

Time to reassess microbial contamination of OR air as risk factor for SSI?

Parvizi, MS, MD, FRCS, et al. American Journal of Infection Control, 2017 reported 53%-67% reduction of airborne bacterial content in active ORs.

Reduction of Particles in the OR using UV Air Disinfection Units

Curtis, G.L., MD, et al. The Journal of Arthroplasty, 2017 reported the C-UVC units significantly reduce total and viable particles counts.

Diathermy Study utilizing Illuvia 500UV

W.R. Walsh conducted a diathermy study utilizing Illuvia 500UV that found reduction in the airborne particulate count.

Reduction in Airborne Bacterial Levels using Supplemental System

W. R. Walsh, PhD, Airborne bacteria-laden particles in healthcare settings are now being recognized as a contributing cause of hospital acquired infections (HAI), and surgical site infections (SSI). OR Air Supplemental System reduced mean bacterial CFU/m³ by 57%.


Crystalline C-UVC Inactivation of Airborne Microorganisms

Sue Barnes, RN, CIC, FAPIC. This study was designed to test the effectiveness of the novel AEROBIOTIX (ABX) crystalline ultraviolet (C-UVC) germicidal irradiation in-room air disinfection and filtration technology on reducing airborne particle contamination in the OR. Results confirm 99.97% inactivation efficiency of aerosolized bacteria.

Outcome Study SEM of Operating Theatre Air

W.R. Walsh, PhD., conducted a study with scanning electron microscopy to evaluate the Illuvia filtration cartridge. A significant number of airborne particulates was detected within the cartridge after each surgical procedure.

Reduction of Airborne Bioburden during Lower Limb Total Joint Arthroplasty

Anis, H. MD, Curtis, G. MD, et al., Cleveland Clinic, Presented at MSIS 2018. This study demonstrated a significant reduction of total and viable particles as well as CFUs in active TJA surgeries.

The Impact of a Novel MAPS on the Bacterial Air Burden during Routine Care

Werner Bischoff, MD PhD, FSHEA, Gregory Russell MS, Elisabeth Willard AAS, John Stehle Jr PhD. American Journal of Infection Control, 2019. Aerosol transmission of pathogens can result in the rapid spread of disease. The mobile air recirculation system significantly decreased the bacterial load by over 40%.

The Impact of Supplemental Intraoperative Air Decontamination on the Outcome of Total Joint Arthroplasty

Cook, T., DO, Piatt, C., DO, Barnes, S. BSN, Edmiston, Jr., C.E. PhD. The Journal of Arthroplasty, 2018. While PJI is multifactorial in nature, this study suggests the use of intraoperative supplemental air decontamination significantly reduced the overall risk of PJI.

The Case for Implementation of Operating Room Air Decontamination Technology for Orthopedic Surgery

Russell Nassof, JD; Kathy Warye, Maureen Spencer, MEd, RN, CIC, FAPIC. Infection Control Today, September 2018. While there is a host of factors in OR environment and practice that can contribute to SSI, there is a growing body of evidence which suggests that air quality merits heightened attention on the part of the infection prevention community.

White Papers

Inactivation of Virus-Containing Aerosols by Ultraviolet Germicidal Irradiation

Chun-Chief Tseng and Chih-Shan Li, National Taiwan University, Aerosol Science and Technology, 2005.
Study: to evaluate the application of UVGI for the inactivation of viruses. Conclusion: UVGI was an effective method for inactivation of airborne virus.

ABX Outcome Study: SSI Reduction Results

AEROBIOTIX technology previously demonstrated statistically significant reductions in total airborne particulates, viable particulates, and airborne bacteria when deployed in active operating rooms. The study was performed in a single OR at a 300-bed community medical center in Atlanta, Georgia, USA.

Elimination of Aerosolized Virus in Single-Pass Testing

The Research Triangle Institute (RTI) Center for Microbial Community Systems and Health Research conducted a series of tests to determine the efficiency of viral inactivation by the Aerobiotix in–room recirculating air cleaner. MS2 virus inactivation efficiency of the Aerobiotix air cleaner was 100% observed when the unit was operated in “full on” mode.


Carrico, R.M. PhD DNP FSHEA CIC, Warye, K. The HUAIRS system represents a potential solution for the mitigation of bioaerosol emissions in order to eliminate SSI risk due to HCU in cardiac ORs.

[1] Walsh, W.R., Bradford, N., Davies G. MD, Oliver R. PhD, Verhuel, R. MBBS, FRACS, Bruce, W., MBBS, FRACS. Total and viable airborne particulates during orthopaedic surgical procedures. Infection, Disease & Health (2017).[2] Parvizi, J., MS, MD, FRCS, Barnes, S., RN, CIC, Shohat, N., MD, Edmiston, C., MS, PhD. Environment of care: Is it time to reassess microbial contamination of the operating room air as a risk factor for surgical site infection in total joint arthroplasty? American Journal of Infection Control (2017).[3] Bischoff, Werner, MD, PhD, FSHEA, Russell, G.B., MS, Willard, E.S., and Stehle Jr., J., PhD. The Impact of a Novel, Mobile Air Purification System on the Bacterial Air Burden during Routine Care (SHEA 2018).[4] Curtis, G.L., MD, Four, M., MD, Jawad, Michael, BS, Kila, MS, Barroom, W.K., MD, Higuera, C.A., MD. Reduction of Particles in the Operating Room Using Ultraviolet Air Disinfection and Recirculation Units. The Journal of Arthroplasty (2017).[5] Edmiston, C., MS PhD. Publication pending[6] Barnes, S., RN, CIC, FAPIC. Publication accepted AORN Journal[7] Carrico, R., PhD, RN, FSHEA, CIC. Publication pending


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Sr. Vice President of Global Sales and Marketing

Jason leads our global sales team and brings over 18 years of Medical Device experience to Aerobiotix. Jason has led top performing National and Regional Sales teams, selling disruptive technology in the Cardiovascular space with Getinge, Surgical Robotics at Hansen Medical and most recently in the Biologics space with Axogen. Jason received his Bachelor of Science Degree from the University of Indianapolis.



Vice President of Global Marketing

Melissa Gietzen, MBA is a highly skilled strategic marketing professional with over 20 years’ experience in the healthcare industry. She has significant expertise in strategic planning, capital budgeting, service improvement projects, and creating strong successful brands in the orthopedic, cardiac & ophthalmology markets. Melissa holds a undergraduate degree in Management and Organization Development and a masters degree in Business Administration.



President and CEO

The founder and CEO is David Kirschman, M.D., a former physician with extensive experience as CEO, Director, Chief Scientific Officer and operator in the orthopedic and biologic medical device space. Dr. Kirschman holds 55 issued US Patents for a wide range of medical devices. He received his BS in Biological Science cum laude from Colorado State University and M.D. from University of Colorado School of Medicine.

GREGORY CARROLL PH.D. Director Scientific Affairs


Director Scientific Affairs

Dr. Carroll has extensive experience in ultraviolet and photonic science. Prior to joining Aerobiotix, he led the research and development group at Sunstar Engineering. He has a Ph.D. in chemistry from Columbia University and did his postdoctoral fellowship under Nobel laureate Prof. Ben Feringa at the University of Groningen, Netherlands, and Lawrence Berkeley National Laboratory.

TONY EMBREE Chief Commercial Officer


Chief Commercial Officer

Tony leads our global sales organization and commercialization strategy. Prior joining Aerobiotix, he was Senior Manager of Strategy at Stryker. He has led sales and marketing teams in multiple organizations including SurgiCount Medical, part of Patient Safety Technologies, INC (PSTX) as it expanded from 8 hospitals in 2008 to user base of 330 hospitals at time of acquisition in 2013.

COURTNEY ADAMS, Ph.D. VP of Clinical and Medical Affairs


VP of Clinical and Medical Affairs

Dr. Adams leads our global clinical research and education initiatives as well as developing key opinion leaders to support our clinical mission. Prior to joining Aerobiotix, she held leading research and medical affairs roles at Biogen, Axogen, and MedPace. Dr. Adams holds Ph.D. in Pharmacology from University of Cincinnati.

ANTHONY DEFALCO Vice President of Engineering


Vice President of Engineering

Anthony is a topflight medical device product development engineer and leader, experienced in the development and implementation of orthopedic, environmental, and electromechanical systems.

NATHAN UTZ Vice President of Client Services


Vice President of Strategic Accounts

Nathan brings a high level of commitment to servicing and building client relations. Nathan has previously held leadership roles in the medical device industry.

MICHAEL SCHMITZ Chief Financial Officer


Chief Financial Officer

Mr. Schmitz is a highly experienced financial practitioner with financial leadership roles in diverse industries including manufacturing and technology as well as a background in public accounting. He received his BS in accounting, cum laude, from the Miami University of Ohio. Mr. Schmitz is a certified public accountant and certified management accountant.