Shiyan City, Hubei Province: "hard core" technology to escort the war epidemic

Correspondent Fang Jinzhu

According to the notification of the Municipal Epidemic Prevention and Control Command on September 13, all patients and asymptomatic infected patients were cleared on September 12, and Shiyan's input epidemic prevention and control war fired for this time. As one of the main battlefields of the Shiyan war, the city Xiyuan Hospital (Taihe Hospital Xiyuan Hospital) has a satisfactory answer sheet: zero infection of medical care and zero in the hospital, which guarantees the safety of patients and medical staff. Essence Among them, the use of "hard core" technology such as negative pressure isolation ward and electronic beam radiation treatment medical sewage system is indispensable.

The negative pressure isolation ward builds a "barrier" for the war -fighting epidemic

"The patient -related patients are treated in the treatment of infectious diseases. The" three districts and two channels "not only are clearly distinguished, but also realize physical blocking." Chen Zihua, deputy dean of the city of Xiyuan Hospital, introduced that the treatment of medical staff and the patient passage respectively set up the treatment building. Install the access control system and indications. Cleaning materials and polluting items have their own independent entrances and flowing routes. Through physical blocking, the cleaning area, semi -pollution zone, and pollution are realized. The passing windows, buffer rooms, etc. are two -way switches, close one side, and the other side can be opened to prevent cross -infection.

"The principle of negative pressure isolation ward is similar to the range hood in the resident's home." Chen Zihua said that the infectious disease treatment building is installed with a negative pressure system and a fresh air system. The air pressure is lower than the air pressure outside the ward. Even if regional air circulation occurs, the pollution air in the ward will not spread to the outside and cause cross infection to achieve air isolation.

The air supply system (fresh air system) and the exhaust system are sent or discharged air after the three -level filtering three -level filtering of three levels of filtering to ensure environmental safety. The fresh air system can decompose formaldehyde and harmful organic matter to achieve the effect of disinfection. The number of air replacement of ordinary negative pressure ward is

6 times/hour, can completely ensure air quality. The number of ventilations of the negative pressure ward and the negative pressure operation room is 20 times/hour, so that the cleanliness, temperature, and humidity in the room meet the surgical requirements. The air exhaust system is discharged from the air after efficiently filtering, eliminating the source of the infection, and will not pollute the surrounding environment.

"Patients from the hospital to discharged from the hospital and implemented closed -loop management. All examinations and treatment are in this building." Chen Zihua introduced that the treatment building has a special CT, color Doppler ultrasound and negative pressure surgery room, and severe isolation ward, which can meet the patient's examination and the examination and Treatment needs.

"The negative pressure ambulance played a great role in the process of transporting patients." Chen Zihua said that the negative pressure ambulance uses negative pressure to control the air flow to prevent virus transmission. The air pressure inside the car is lower than the external air pressure, so that the air can only flow from the outside of the car to the car, and the fungal poison air inside the car can be discharged after harmless treatment, which can minimize the chance of cross -infection between medical staff and patients. At the same time, avoid people infection and truly isolation.

Medical sewage treatment is better than national standards

Municipal Xiyuan Hospital's electronic beam dispatch treatment medical sewage demonstration device passed the review and acceptance in May 2021, and was put into use. After third -party testing, the medical wastewater index after the processing of the electronic bouquet combination process is better than the national infectious disease hospital discharge standards, and it has a significant removal of the virus. The number of bacteria is less than 100MPN/L, which can fully degrade the antibiotics in the medical sewage, and the quality of the water out of water has reached the "Water Pollution Emissions Standards for Medical Institutions".

Wang Yulan, director of the Anti -Gue Protection Sensorship Office of the Xiyuan Hospital, introduced that the treatment of traditional medical wastewater is to perform microorganisms by injecting chemical disinfection agents such as sodium chloride in sewage, which can easily cause chemical reagent residues and cannot degrade the residual antibiotics in the sewage. Once Drinking may lead to drug resistance. The electronic beam treatment technology adopted by Shiyuan Hospital of the city can produce high -energy electron beams through electronic accelerators, which can instantly work with microbial DNA, RNA molecules or cell tissues in wastewater. Bacterial and virus, high sterilization efficiency, no additional disinfection agent, no secondary pollution, and can degrade residual substances such as antibiotics in wastewater. "It can prevent the sense of the hospital and ensure that the water source is not polluted." Wang Yulan said.

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