Outcome Study Scanning Electron Microscopy of Operating Theatre Air

A significant number of airborne particulates was detected within the cartridge after each surgical procedure.


Implementation of technologies to supplement air quality engineering controls in the operating rooms (OR) could aid in prevention of surgical site infections (SSI), especially those involving an implant which require a very small inoculum to create an infection. Ultraviolet germicidal irradiation (UVGI) systems can be utilized to improve indoor air quality in high risk clinical applications by inactivating microorganisms and filtering out airborne particulates.


New Illuvia 500UV Performance Cartridges were placed in an OR HUAIRS unit supplied by AEROBIOTIX (Dayton, OH). The device was operating at 450 ft3/ min (CFM) airflow during two surgical procedures: a hip arthroplasty and a spinal fusion. After each surgical procedure, the air inlet cartridge was removed and examined under scanning electron microscopy (SEM) to deter-mine the nature of airborne particle contamination.

Results and Conclusions

The SEM analysis of used inlet filtration cartridge showed a significant number of captured airborne particulates. While organisms are slowed or trapped in the solid crystalline matrix, they are inactivated by the penetrating UV-C dosage. This has the effect of immensely increasing the inactivation efficiency over current UVGI technologies.

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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.


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.


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.


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.


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.


Vice President of Sales

Nathan brings a high level of commitment to servicing and building client relations. He was one of the first employees to start for Aerobiotix. Nathan has previously held leadership roles in the medical device industry. He received his BS from Antioch McGregor University Midwest.


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.