In 2005, the Ministry of Health issued a regulation requiring doctors to treat patients with acute respiratory fever with a body temperature of 38C and respiratory symptoms (nasal congestion, runny nose, cough, sore throat, shortness of breath, dyspnea, etc.) It provides medical surgical masks to avoid cross-infection, and requires physicians in infectious disease departments and triage points to take standard safety precautions and wear medical masks.
Disposable medical surgical masks and medical protective masks are both medical products that received standardized management after SARS in 2003, and have become new affairs and new measures in hospital infection control. When talking about masks in the past, everyone would think of gauze masks and dust masks. During the SARS period, there were many cross-infections in the hospital. Everyone began to doubt the role of gauze masks until the Food and Drug Administration proved through experiments that gauze masks did not have protective functions. , everyone began to pay attention to the application of disposable surgical masks and medical protective masks.
Common disposable medical surgical masks, in addition to white, often have light blue or light green, etc. The material of the mask does not need to have high particle filtration efficiency. Although there is a nose clip, it is used to help the mask fit on the bridge of the nose. However, there is no tight fit between the mask and the face, and the breathing is relatively smooth.
The requirements of our country's standard for disposable medical surgical masks are that masks with a planar structure have an effective barrier effect on the bacteria discharged by the wearer during breathing and speaking. How to Verify the Filtration of Medical Surgical Masks
Efficiency greater than 95%?
One test method is that the subject wears a mask to speak, and evaluates the bacterial filtration efficiency of the medical surgical mask according to the collected number of bacteria discharged from the mask.
The pollution of the discharged bacteria to the environment can be greatly reduced. The protective performance of medical surgical masks is slightly lower than that of medical N95 masks, and it still cannot meet the requirements for similar Ebola protection.
The main application of medical surgical masks is in the operating room. During the operation, in order to prevent the bacteria discharged from the doctor's breathing and speaking from polluting the surgical wound, it is necessary to wear a surgical mask to protect the patient. The Ministry of Health requires that the distribution of disposable medical surgical masks to patients with suspected respiratory diseases is to prevent them from infecting other personnel in the hospital and reduce the risk of cross-infection.
Therefore, wearing a surgical mask can protect the environment and others from pollution or infection. In addition, surgical masks also have a protective function that gauze masks do not have, which is to block the penetration of liquids with a certain pressure.
Yes, this is very important to the doctor of the operation, to prevent the contamination and infection of the doctor by the splash of blood and body fluid generated during the operation.