Experimental device and method for gas on-site exposure to toxicant

Abstract

The invention relates to the biomedical toxicantexposure experimental equipment and the method of the experimental equipment, in particular to a gas exposure experimental device and the method. The key technology is to design and make a small sized, portable, and electric controlled dynamic gas exposure experimental device; the device comprises a miniature fan motor (3), a section of removable and movable toxicant exposure chambers (5), a set of air transmission pipelines and adjusting valves (4) connected with the fan motor and the toxicant exposure chambers, and a set of exhaust tubes (6) and collection bags for waste gas (7) combined with the toxicant exposure chambers; the remote controls for gas flow rate, flow, and exposure time are performed by the miniature adjustable fan motor and the air transmission pipelines; the animal foods and drinking water (15) are provided by the removable toxicant exposure chambers (5) to meet the requirements for long-time and repeated exposure; and the performance evaluations for filed gas exposure experiment, toxicological study and the equipment for harmful gas are performed by the different combinations and different exposure modules of the small sized movable exposure device.

Description

Technical field [0001] The invention relates to a biomedical poisoning experiment equipment and method, and further relates to an on-site gas poisoning experiment device and method. technical background [0002] Gas exposure experiment (gas exposure) is the basic method of gas toxicity evaluation; it is to study a variety of gases, including aerosols, aerosols, gas-liquid mixtures, dust gases, especially biomedical aerosols, anesthetic gases, polluted air It is an important method for the inhalation reaction, metabolic kinetics and its pathophysiological effects and mechanisms of automobile exhaust, industrial exhaust, military poison and propellant combustion exhaust; it is also an important method for researching and evaluating various toxic and harmful gas protective measures, protective equipment and harmless The basic method of processing technology has a wide range of scientific research and application. According to the difference of poisoning gas flow and adding met...

AI Technical Summary

Problems solved by technology

This method makes up for the inconvenience, unsafety, and risk of physical damage caused by collecting toxic substances on site. However, it is difficult to truly simulate the toxic and harmful gases and environments with complex components and unknown toxicity; it is also inconvenient to simulate. Repeated, multiple, and long-term exposure to poisons and biochemical and terrorist gas exposure experiments

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