1. Laminar flow purification means that the air flow is transported to a certain direction at a uniform speed, purified by a high-efficiency filter, streamlined into the operating room, and then flowed out of the operating space at a constant speed. Dust particles and pathogenic microorganisms in the operating room are discharged in the direction of the airflow and are not dispersed in the room. The laminar flow operating room is named after this plan. Laminar fluid system is an advanced equipment to purify air and invent clean operating space. It is a safe, useful, economical and convenient air sterilization method.
2. The importance of laminar flow purification skills in the operating room, the operating room is an important place for the hospital to operate on patients, the concave and convex operation quality often reflects the level of treatment in a hospital. An important guarantee for the success of the operation is to establish a strict aseptic concept, pay attention to aseptic skills in the operation, to prevent surgical infection. Once an infection occurs after surgery, it will form a result. Many hospitals have to strengthen the use of antibiotics for patients in order to prevent similar episodes. This method is very harmful to patients. Now the state is also legislating to manipulate the use of antibiotics through administrative means. Therefore, the aseptic manipulation of all links in the operation has been paid more attention by hospitals.
3. Operating room pollution sources and contamination pathways, operating room pollution mainly from the outside and from the inside of the operating room two parts: from the outside source of pollution is mainly sent to the operating room fresh air. The number of bacteria and microorganisms in the outdoor air is calculated to be about 1-1,000 per foot-3, and most of these bacteria and microorganisms are attached to dust particles, with varying degrees of contamination in different areas. Contamination from the clean operating room is mainly caused by the surgeons and nurses, the patients and the bacteria and dust produced during the operation. Internal sources of contamination are surgeons, anesthesiologists, and caregivers, whose clothes, skin, and breathing all produce a lot of dust and bacteria. The amount of dust and bacteria is related to their clothes, intensity and frequency of movement, skill, disinfection and overall management. Consequently, the medical staff entering the operating room should replace all the special clothes, hats, masks and shoes for the operating room except the underwear.
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