Surgery unit filtering ceiling

Vertical laminar air flow - The most efficient way of controlling microbe levels in an operating theatre "The purpose of ventilation in the operating theater is to minimize the risks to patients and wounds of contaminants from human and other unsterile sources. Air ventilation also removes any anesthesia gases that escape into the air." (Ekono Oy. Energy Savings and Hospital Hygiene, Helsinki 1990) Research fingings about air conditioning in operating theatres The findings below were taken from an EKONO Oy study done for the Hospital Association of Finland, "Energy Savings and Hospital Hygiene," Helsinki 1990.The rates for post-operative infections after orthopedic knee and hip surgery are twice as high for surgery performed in theaters with conventional ventilation systems as compared to theaters ventilated with laminar air flow through a perforated cover. Compared to conventional turbulent ventilation, vertical laminar flow can decrease the number of post-operation infections by half. In several studies made of air-exchange systems for entire operating theaters, the superiority of vertical laminar air flow has been conclusively established. In laminar air flow, the entire air mass circulates in one direction and displaces the existing air in the operating area.