Expiration sampling device and application method thereof

A sampling device and airflow channel technology, which can be used in the evaluation of respiratory organs and other directions, and can solve problems such as sucking back, polluting the environment, and being easy to spill.

Inactive Publication Date: 2013-06-12
ANHUI YOUNG HEARTY MEDICAL APPLIANCE & EQUIP
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] In order to overcome the deficiencies of the prior art, the present invention provides a breath sampling device including an absorbing component and a scintillation component and a method of use thereof. After using the sampling device to collect a breath sample, put it into a scintillation counter for scintillation measurement, avoiding It eliminates the disadvantages of sucking back, easy to spill, pollute the environment, and troublesome operation in the prior art, and at the same time, it has high measurement reliability

Method used

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  • Expiration sampling device and application method thereof
  • Expiration sampling device and application method thereof
  • Expiration sampling device and application method thereof

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Embodiment Construction

[0032] refer to figure 1 and figure 2 , the absorbing assembly 1 and the scintillation assembly 2 are placed opposite to each other, and the gap between them constitutes a part of the airflow channel 3 of the sampling device, that is, the airflow channel 3 includes a guiding part and a gap between the absorbing assembly and the scintillation assembly. The channel formed by the gap, the scintillation assembly 2 is a molding member of commercial plastic scintillator material, and the housing 4 of the sampling device is a tubular member that is processed and formed by the same plastic scintillator material and has a gas inlet 4a and a gas outlet 4b, so the housing 4 A part of the scintillation component also constitutes the scintillation component 2. When collecting breath samples, the breath enters from the gas inlet 4a, flows through the gas flow channel 3, and then flows out from the gas outlet 4b. The absorbent component 1 is supported by a porous polyurethane foam material....

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Abstract

The invention provides an expiration sampling device which is used for diagnosing diseases by a 14C marked expiration test and is particularly used for diagnosing helicobacter pylori infection by a 14C-urea expiration test, and an application method thereof. The sampling device comprises a pipe-shaped component provided with a gas outlet, a gas inlet, an absorption assembly and an air flow channel; the pipe-shaped component is internally further provided with a scintillation assembly; one part of the air flow channel is formed by a gap between the absorption assembly and the scintillation assembly; when expired air flows through the air flow channel, CO2 in the expired air is absorbed by the absorption assembly; if the absorption assembly absorbing the CO2 contains 14CO2, beta grains generated by decaying pass through the air flow channel to be knocked on the scintillation assembly; and a scintillation body on the scintillation assembly generates scintillation light recorded by a scintillation counting device.

Description

Technical field [0001] The present invention relates to a 14 C-carbon dioxide ( 14 CO 2 ) gas sampling device and method of use thereof, for medical field 14 C marks the breath test to diagnose disease, especially for 14 Breath sample collection and measurement for the diagnosis of Helicobacter pylori infection by the C-urea breath test. Background technique [0002] The breath test has been widely used in the diagnosis of certain diseases in the medical field. When the subjects are given specific 14 After the C-labeled compound, the metabolic pathway will be changed due to the disease, one of the changes is the metabolites excreted through exhalation 14 C-carbon dioxide ( 14 CO 2 ) will vary in amount, collect the carbon dioxide gas in the exhalation, and measure the 14 The radioactivity of C can diagnose the existence and degree of disease. For example, oral administration to patients infected with Helicobacter pylori 14 C-urea, because one of the characteristics...

Claims

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Application Information

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IPC IPC(8): A61B5/08
Inventor 陈世雄汪熙程唐元诗张杨雷江军胡火明
Owner ANHUI YOUNG HEARTY MEDICAL APPLIANCE & EQUIP
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