Portable sampler for exhaled breath condensate and sampling method

A technology of exhaled breath condensate and sampler, which is applied in the fields of inoculation, ovulation diagnosis, medical science, surgery, etc., to achieve the effect of portable volume, low sampling cost and simple equipment structure

Pending Publication Date: 2021-06-04
PEKING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

200-500 microliters of exhaled breath...

Method used

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  • Portable sampler for exhaled breath condensate and sampling method

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Embodiment Construction

[0024] The sampler and sampling method of the present invention will be further described in detail through embodiments in conjunction with the accompanying drawings.

[0025] Such as figure 1 As shown, a portable exhaled breath condensate sampler includes a sampler housing 5 and a condensation sampling tube 4 arranged in the sampler housing 5, a semiconductor cooling chip 6, a condensation block 7 covered with a heat insulation layer, and a temperature sensor Probe 3, digital temperature control module 8, copper tube air-cooled radiator 11. Among them, the cooling surface of the semiconductor refrigeration sheet 6 is close to the condensation block 7 covered with the heat insulation layer, the heat conduction surface is close to the copper tube air-cooled radiator 11, and the joints on both sides are coated with a thin layer of heat-conducting silicone grease to ensure the heat conduction of the joints. performance. Copper tube air-cooled radiator 11 is made up of heat diss...

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Abstract

The invention discloses a portable sampler for exhaled breath condensate and a sampling method. A semiconductor chilling plate is utilized to provide a low-temperature condensing environment, and a sterile disposable suction tube and a 50ml centrifugal tube are utilized to collect the exhaled breath condensate of a human body. The sampler is simple in structure and portable in volume; the sampling method is simple in operation; except for an external power supply, the portable sampler does not need other consumable items and auxiliary equipment which are difficult to carry, such as a refrigerant; the exhaled breath condensate of the human body, which is enough for analyzing the disease infection condition, can be noninvasively and quickly collected; meanwhile, the discomfort and cross infection of a testee and the cross contamination of a sample can be avoided to the greatest extent; and the portable sampler is suitable for large-scale sampling detection diagnosis and epidemiological investigation of people infected by respiratory pathogens.

Description

technical field [0001] The invention relates to a portable exhaled gas condensate sampler and sampling method, in particular to a human body exhaled gas portable sampler and sampling method integrating a rectangular semiconductor refrigeration chip and a cyclone blowing air. Background technique [0002] Viral epidemics that can be transmitted through the air often cause huge social panic and economic losses. In order to prevent and control the spread of the virus and the spread of the epidemic, in addition to measures such as social isolation, it is more important to use large-scale virus infection detection for timely diagnosis, Isolate and treat patients with viral infection while taking appropriate measures to protect vulnerable populations. The currently widely used detection methods are mainly based on throat swabs, nasal swabs, blood tests and other sample collection methods combined with nucleic acid detection or immunological detection for diagnosis. These sample c...

Claims

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Application Information

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IPC IPC(8): A61B10/00
CPCA61B10/00A61B2010/0087
Inventor 要茂盛李心月
Owner PEKING UNIV
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