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Bag for sampling gas used for breath test

A gas sampling and sampling bag technology, which is applied in the field of medical supplies, can solve the problems of inaccurate collection of the lung gas of the subject, and achieve the effects of good airtightness, convenient use, and improved precision and accuracy

Active Publication Date: 2013-04-24
SHENZHEN ZHONGHE HEADWAY BIO SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a gas sampling device that is easy to use and can accurately collect the lung gas of the subject in view of the defect that the existing gas sampling bag for the breath test cannot accurately collect the lung gas of the subject. bag

Method used

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  • Bag for sampling gas used for breath test
  • Bag for sampling gas used for breath test
  • Bag for sampling gas used for breath test

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] The main purpose of the present invention is to provide a gas sampling bag suitable for a breath test, which can accurately collect the gas in the lungs of the subject in a simple manner.

[0028] see figure 1 , is a schematic diagram of the external structure of the gas sampling bag used for the breath test in the preferred embodiment of the present invention. like figure 1 As shown, the gas sampling bag provided by the present invention includes a sampling bag body 10 and an air blow nozzle 20 provided on the sampling bag body 10 . The sampling bag body 10 is used for containing the sampling gas, and the air blowing nozzle 20 is used for blowing air for the subject.

[0029] Please refer to figure 2 , is a cross-sectional view of the ...

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Abstract

The invention relates to a bag for sampling gas used for a breath test, which comprises a sampling bag body and a blowing nozzle arranged on the sampling bag body, a gas inlet channel and a gas outlet channel are provided in the blowing nozzle which are communicated with the sampling bag body, a gas cover used for opening and sealing the gas inlet channel is provided at a gas inlet of the gas inlet channel, a gas plug used for opening and sealing the gas outlet channel is provided at a gas outlet of the gas outlet channel. According to the invention, the design of the gas inlet channel and the gas outlet channel is used for discharging the gas inhaled from the gas inlet channel through a first in first out mode from the gas outlet channel, so that accurate collection of the exhalant pulmonary gas near the end of the breath of testee can be ensured, and the precision and accuracy of the breath tests are enhanced.

Description

technical field [0001] The present invention relates to medical supplies, more specifically, to a gas sampling bag for breath test. Background technique [0002] Breath test is a non-invasive method to detect Helicobacter pylori (Hp). The breath test requires the subject to first take a drug containing C13 markers, and then collect the exhaled gas through a sampling bag for testing. [0003] At present, the sampling bag used for sampling sample gas is usually provided with an air blowing nozzle as an air inlet on the sampling bag body, and the subject directly blows the gas into the sampling bag body through the air blowing nozzle. Cover the air cap to seal the blowing nozzle. However, during the breath test gas sampling process, the initial part of the gas exhaled by the subject is the gas in the mouth and throat, followed by the gas in the lungs that the breath test needs to collect. However, ordinary sampling bags often can only collect the initial part of the gas and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/22
Inventor 沈澄
Owner SHENZHEN ZHONGHE HEADWAY BIO SCI & TECH CO LTD
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