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What is a Negative Pressure Ambulance?

2 Answers

GabrielAnn

07/24/25 4:20pm

Ambulance negative pressure refers to the use of technical means to make the air pressure inside the vehicle lower than the external atmospheric pressure, ensuring that air flows freely from outside to inside the vehicle. The air inside the vehicle can also be discharged after harmless treatment to avoid infecting more people. Below is a related introduction: 1. Function: In the treatment and transfer of infectious diseases and other special diseases, it can minimize the probability of cross-infection among medical staff. 2. Facility configuration: The vehicle is equipped with a full set of rescue devices such as a ventilator, defibrillator, and electrocardiograph, as well as ultraviolet disinfection lamps and central oxygen supply interfaces. In the future, debridement and suturing operations and cardiopulmonary resuscitation can be performed in the ambulance, which is hard to imagine in ordinary ambulances. It is mainly used for rescuing critically ill patients, infectious diseases, and other special diseases.

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MacElijah

08/11/25 9:03am

As someone particularly interested in technology, I find negative-pressure ambulances quite novel. Simply put, the air pressure inside the vehicle is designed to be slightly lower than the outside, ensuring that air always flows from the outside into the compartment, preventing contaminants like viruses or bacteria from escaping and infecting others. The working principle is straightforward: the ambulance has a specialized ventilation system that draws in air, filters and disinfects it before releasing clean air. This feature is especially useful during outbreaks of infectious diseases, such as COVID-19, as it safely transports infected patients without risking contamination of medical staff or the public. Regular ambulances lack this capability, posing a higher risk of cross-infection. The design inspiration actually comes from hospital isolation wards, adapted for mobility—a true testament to medical progress and human ingenuity in combating diseases. While these details might go unnoticed in daily life, they ensure the safe and efficient transport of high-risk cases, which I believe deserves recognition.

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