Collection and enrichment system for microbial aerosol

Abstract

The invention provides a microorganism aerosol collecting and enriching system, which comprises an aerosol collecting assembly, an aerosol enriching assembly and a sample collecting assembly, wherein the aerosol collecting assembly is connected to the input end of the aerosol enriching assembly, the sample collecting assembly is arranged on the outer side of the aerosol enriching assembly in a sleeving mode, the aerosol enriching assembly comprises an aerosol enriching device and a collecting tube cover, the aerosol enriching device is filled with a cell maintenance solution, the bottom end of the aerosol enriching device is open, a filter plate is packaged on the outer side of the opening, an air inlet pipe and an air outlet pipe are arranged on the collecting pipe cover in a penetrating manner, the air inlet pipe comprises a first end and a second end, the air outlet pipe comprises a third end and a fourth end, the first end and the third end are located above the collecting pipe cover, the second end and the fourth end are both located in the aerosol enriching device, the second end is fixedly connected with a porous spheroid located in the cell maintenance solution, the first end is connected with a first sucking pump, the fourth end is located above the liquid level of the cell maintenance solution, and a plug is detachably inserted into the third end.

Description

technical field [0001] The invention relates to the technical field of medical supplies, in particular to a collection and enrichment system of microbial aerosol. Background technique [0002] Novel Coronavirus Pneumonia, (Corona Virus Disease 2019, COVID-19) referred to as "New Coronary Pneumonia", refers to the pneumonia caused by the 2019 Novel Coronavirus infection. It is very easy to cause large-scale infection of people in a short period of time, and the transmission speed is very fast. Therefore, it is very necessary to study the virus monitoring of aerosols in the environment. However, because the traditional bioaerosol collection instruments or device detection methods are mainly suitable for bacteria and fungal pathogens, the monitoring of virus aerosols is limited. Monitoring virus operations Inconvenient and poorly sensitive, it has seriously failed to adapt to the current monitoring research status in the field of infectious diseases, and has restricted the mon...

AI Technical Summary

Problems solved by technology

[0004] At present, in the process of collecting pathogenic microorganisms, virus aerosol collectors are often used for collection. Vacuum pumps are used to extract gas containing aerosols into the sample collection tube, but the gas and liquid often cannot be effectively mixed during the collection process, resulting in virus The success rate of culture and detection is not high

In addition, the direct detection of viruses only through the aerosol-enriched liquid will be affected by large particles such as bacteria, so the detection effect is not high, and it is not convenient for the cultivation and research of bacteria accompanied by aerosols

At the same time, when aerosol is collected, the ambient gas is usually directly extracted, and the density of the aerosol in the relative ambient gas is low, resulting in low aerosol collection efficiency.

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