CN201876381U - Gas sampling bag for breathing test - Google Patents
Gas sampling bag for breathing test Download PDFInfo
- Publication number
- CN201876381U CN201876381U CN2010206130858U CN201020613085U CN201876381U CN 201876381 U CN201876381 U CN 201876381U CN 2010206130858 U CN2010206130858 U CN 2010206130858U CN 201020613085 U CN201020613085 U CN 201020613085U CN 201876381 U CN201876381 U CN 201876381U
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- gas
- sampling bag
- inlet channel
- outlet passageway
- bag
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Abstract
The utility model relates to a gas sampling bag for a breathing test, which comprises a sampling bag body and a blowing nozzle. An inlet channel and an outlet channel are arranged in parallel in the blowing nozzle along the axial direction and are communicated with the sampling bag body, an air cover for opening and closing of the inlet channel is arranged at the inlet of the inlet channel, an air plug for opening and closing of the outlet channel is arranged at the outlet of the outlet channel along the radial direction of the blowing nozzle, the sidewall of the air plug is provided with radial outlets, and the radial outlets in the open state can be communicated with the outlet of the outlet channel through axial air plug holes in the air plug. Since the inlet channel and the outlet channel are arranged, and the outlet channel is directly closed by the air plug, the accuracy of the breathing test can be increased. Moreover, no silicone hose is needed, and thus the structure of the gas sampling bag is simplified.
Description
Technical field
The utility model relates to medical supplies, more particularly, relates to a kind of gas sampling bag that is used for breath test.
Background technology
Breath test is to detect helicobacter pylori (Helicobacter pylori, a kind of noninvasive method Hp).Breath test requires the testee at first to take the medicine that contains the C13 mark, detects after by sampler bag the gas of breathing out being collected subsequently.
At present, be used for the sampler bag of sample gas, blowing nozzle be set as air intake opening usually on the sampler bag bag, the testee directly is blown into gas in the sampler bag bag by this blowing nozzle, and the gas lid seals blowing nozzle on the end bonnet of exhaling.Yet, in breath test gas sampling process, the initial part gas that the testee breathes out be in the mouth with trunnion in gas, be only the gas of the lung that breath test need gather subsequently.But common sampler bag often can only be collected initial part gas and a small amount of pulmonary gases, may also contain the surplus before use waste gas that has of sampler bag in these gases simultaneously.To such an extent as to pulmonary gases abundance deficiency in the sampler bag has influenced the accuracy of detection and the accuracy of breath test.
In order to improve this situation, medical personnel usually can be before the gas sampling of carrying out breath test, informs that the testee need exhale to aim at sampler bag again to certain degree and blow, thereby makes sampler bag collect the gas of more lungs.But still there is tripartite planar defect in this mode: the first, and therefore the skill that the testee not necessarily can both on top of exhale after with practice still can not ensure the pulmonary gases that is of collecting sample gas; The second, medical personnel must explain over and over again and demonstrate before each testee carry out breath test, have strengthened medical personnel's workload; The 3rd, the surplus waste gas that has in the sampler bag still is present in the sample gas of collection.
In addition, existing many gas sampling bags use in order to cooperate external C13 detecting instrument, must flexible pipe be set at the place, gas outlet of gas sampling bag, have improved cost like this and have increased the volume of gas sampling bag.For the 13C detecting instrument of domestic research and development, then do not need to connect again flexible pipe, therefore how to simplify the structure of sampler bag, reduce the cost of sampler bag effectively, be another major issue that needs consideration.
Therefore, demand providing a kind of simple in structure, easy to use and can accurately gather the gas sampling bag of testee's pulmonary gases urgently.
The utility model content
The technical problems to be solved in the utility model is, can not accurately collect testee's pulmonary gases and the comparatively complicated defective of structure at the existing breath test gas sampling bag that is used for, provide a kind of simple in structure, easy to use and can accurately gather the gas sampling bag of testee's pulmonary gases.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of breath test gas sampling bag that is used for, adopt the air inlet and two passages of giving vent to anger, make and discharge from outlet passageway in the mode of first in first out from the gas of inlet channel incoming call, thereby guaranteed that the gas sampling bag can collect the pulmonary gases of breathing out when the testee exhales fast the end exactly, and then the precision and the accuracy that improve breath test.
The utility model provides a kind of gas sampling bag that is used for breath test, comprise sampling bag and the blowing nozzle of being located on the described sampling bag, axially be provided with parallel inlet channel and the outlet passageway that is communicated with described sampling bag in the described blowing nozzle, the air intake opening of described inlet channel is provided with the gas lid that is used to open and seal described inlet channel, described blowing nozzle radially on be positioned at outlet passageway gas outlet place be provided with the vent plug that is used to open and seal described outlet passageway, described vent plug sidewall be provided with radially venthole, described venthole is communicated with the gas outlet of described outlet passageway in open mode by the axial vent plug hole of being located in the described vent plug.
In gas sampling bag described in the utility model, described inlet channel bore is greater than described outlet passageway bore.
In gas sampling bag described in the utility model, also be provided with airflow duct in the described sampling bag, described inlet channel stretches into the inner chamber bottom of described sampling bag by the airflow duct that is communicated with it.
In gas sampling bag described in the utility model, the air intake opening of described inlet channel also is provided with the compressing tablet mechanism that is used to prevent gas reflux in the sampler bag.
In gas sampling bag described in the utility model, described compressing tablet mechanism comprises the bore inflatable mouth circle wide at the top and narrow at the bottom of being located at described air intake opening, and the compressing tablet circle that is connected to bore place under the described inflatable mouth circle.
The utility model provides a kind of gas sampling bag that is used for breath test simultaneously, comprise sampling bag and the blowing nozzle of being located on the described sampling bag, independently be provided with the inlet channel that is used for incoming call gas that is communicated with described sampling bag in the described blowing nozzle, and the outlet passageway that is used to discharge gas, described inlet channel bore is greater than described outlet passageway bore, and described inlet channel stretches into the inner chamber bottom of described sampling bag to realize the first in first out circulation of gas by the airflow duct that is communicated with it, the air intake opening of described inlet channel is provided with the gas lid that prevents bag interior gas reflux, described blowing nozzle radially on be positioned at outlet passageway gas outlet place be provided with and be used for sealing described outlet passageway to hold back the vent plug of available gas when finishing exhaling, and the sidewall of described vent plug is provided with venthole radially, and described venthole is communicated with the gas outlet of described outlet passageway by the axial vent plug hole of being located in the described vent plug.
Implement the gas sampling bag that is used for breath test of the present utility model, have following beneficial effect:
1, the utility model is by being provided with inlet channel and the outlet passageway that is communicated with described sampling bag in blowing nozzle, make from the gas of inlet channel incoming call and discharge from outlet passageway in the mode of first in first out, thereby guaranteed that the gas sampling bag can collect the pulmonary gases of breathing out when the testee exhales fast the end exactly, and then the precision and the accuracy that improve breath test.And the gas outlet of outlet passageway is directly by the vent plug closure, when being used with the 13C testing tool, only vent plug need being opened and gets final product, and no longer needs to use flexible pipe, makes that the structure of gas sampling bag is simpler.
2, the inlet channel bore of gas sampling bag of the present utility model is greater than described outlet passageway bore, and assurance gas sampling bag can be collected enough sample gases in gas circulation and when having waste gas to blow out outside the bag.
3, the utility model also adds airflow duct in the sampling bag, inlet channel is extended to the inner chamber bottom of sampling bag, make on the connected entrance space of inlet channel and outlet passageway and sampling bag and separate, further like this ensured the first in first out in the gas recycle process, made that also the surplus waste gas that has can be discharged smoothly in the bag.
4, the utility model also also is provided with compressing tablet mechanism at the air intake opening of inlet channel, to prevent that gas reflux goes out bag in the sampler bag when exhaling end.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the front view that is used for the gas sampling bag of breath test in the utility model preferred embodiment;
Fig. 2 is the vertical view of the blowing nozzle of the gas sampling bag that breath test is used for breath test in the utility model preferred embodiment;
Fig. 3 is the sectional view at Fig. 2 center line K-K place.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.
Fundamental purpose of the present utility model is to provide a kind of gas sampling bag that is applicable to breath test, collects the gas of testee lung exactly in simple mode.
See also Fig. 1, be the front view of the gas sampling bag that is used for breath test in the utility model preferred embodiment.As shown in Figure 1, the gas sampling bag that the utility model provides comprises sampling bag 10, and is located at the blowing nozzle 20 on the described sampling bag 10.Sampling bag 10 is used to hold sample gas, and blowing nozzle 20 is used for blowing for the testee.
Please in conjunction with consulting Fig. 2 and Fig. 3, Fig. 2 is the vertical view of the blowing nozzle of the gas sampling bag that breath test is used for breath test in the utility model preferred embodiment; Fig. 3 is the sectional view at Fig. 2 center line K-K place.As shown in Figure 3, be provided with the parallel passage of two axial distribution in the blowing nozzle 20, be respectively inlet channel 21 and outlet passageway 22.In manufacturing process, blowing nozzle 20 and 10 sealings of sampling bag make inlet channel 21 and outlet passageway 22 be communicated with described sampling bag 10.Be provided with gas lid 23 at inlet channel 21 with outside air intake opening 211 places, be used to open and seal inlet channel 21.And upwards being provided with vent plug 24 in the footpath of blowing nozzle 20, vent plug 24 is positioned at outlet passageway 22 and outside place, gas outlet, is used to open and seals outlet passageway 22.
A unique distinction of the present utility model is to adopt air inlet and gives vent to anger two passages.In use, the testee at first opens gas lid 23 and vent plug 24, aims at the air intake opening 211 of blowing nozzle 20 and blows, and gas is entered by inlet channel 21, makes that the gas in the sampling bag 10 is discharged by outlet passageway 22.Exhale to farthest the time the testee, closed vent plug 24 closes to hold one's breath again and cover 23, thereby with outlet passageway 22 and inlet channel 21 sealings, makes inlet channel 21, sampling bag 10 and outlet passageway 22 constitute confined spaces, with the preservation sample gas.In this way, the surplus waste gas that has in the sampling bag 10, and the testee initial breathe out in the mouth with trunnion in gas, can discharge by outlet passageway 22, and the pulmonary gases that the sampling bag 10 last sample gases of gathering are exhaled and breathed out when finishing soon for the testee, thereby having guaranteed that the gas sampling bag can collect exactly comes from pulmonary gases, and then improves the precision and the accuracy of breath test.
Another unique distinction of the present utility model is directly to adopt vent plug 24 sealing gas outlets.And avoided connecting traditional silica gel hose.Testee's operation for convenience, vent plug 24 of the present utility model is provided with venthole 241 radially on sidewall, and is provided with vent plug hole 242 in the axial direction, and described venthole 241 is communicated with in vent plug 24 with vent plug hole 242.As shown in Figure 3, under closure state, outlet passageway 22 was inserted in the end of vent plug 24, was enclosed in the blowing nozzle 20, and this moment, venthole 241 was not communicated with outlet passageway 22, and vent plug hole 242 also is enclosed in the blowing nozzle 20, is not communicated with extraneous air.Gas is closed in the sampling bag 10.When needs are opened vent plug 24, only need vent plug 24 is extracted certain distance, make venthole 241 be communicated with extraneous air, venthole 241 is communicated with outlet passageway 22, thereby sampler bag inside and outside air is communicated.
Further, gas sampling bag of the present utility model can also be set up the accuracy that some technical characterictics improve sampling.As shown in Figure 3, inlet channel 21 bores of gas sampling bag of the present utility model are greater than outlet passageway 22 bores.Can guarantee like this sampler bag gas circulation and have waste gas blow out the bag outside in, can collect enough sample gases.
In addition, can also be provided with the airflow duct (not shown) in the sampling bag 10, airflow duct is socketed on the inner of inlet channel 21, and extends to the inner chamber bottom of sampling bag 10.Make inlet channel 21 extend to certain-length like this, so incoming call gas can enter in the inner chamber bottom of sampling bag 10 by the inlet channel 21 of this extension by this airflow duct.In this way, gas in the inlet channel 21 is entered the import of the bag 10 of sampling, discharge the outlet of outlet passageway 22 spatially separates with gas in the sampling bag 10, like this when guaranteeing air inlet and giving vent to anger by different corridor diversions, make the gas in the sampling bag 10 first in first out to circulate, so that enter the pulmonary gases of sampler bag body 10 after collecting at last.
In order to prevent that when exhaling end the gas in the sampler bag is by the air intake opening 211 anti-bags that flow out, the utility model is provided with compressing tablet mechanism 25 at air intake opening 211 places of inlet channel 21.For the ease of forming compressing tablet mechanism, the utility model will be provided with an inflatable mouth circle 251 at air intake opening 211 places, and the bore of this inflatable mouth circle 251 is wide at the top and narrow at the bottom.At the following bore place of inflatable mouth circle 251 butt one compressing tablet circle 252, this compressing tablet circle 252 has elasticity and downward naturally, and when the testee aimed at the blowing nozzle expiration, gas entered inlet channel 21 by the following bore of inflatable mouth circle 251.And in vent plug 24 closures of testee with outlet passageway 22, after mouth leaves the air intake opening 211 of blowing nozzle 20 simultaneously, compressing tablet circle 252 in sampler bag gas upwards prop up the following bore of inflatable mouth circle 251 under the spontaneous gas pressure, thereby guarantee that the gas in the sampler bag can not overflow.Compressing tablet mechanism 25 is arranged on the inside of gas lid 23, has further strengthened the effect of gas lid 23, so that inlet channel 21 is sealed.
In sum, the utility model adopts air inlet and gives vent to anger two channel-type designs, make from the gas of inlet channel incoming call and discharge from outlet passageway in the mode of first in first out, thereby guaranteed that the gas sampling bag can collect the pulmonary gases of breathing out when the testee exhales fast the end exactly, and then the precision and the accuracy that improve breath test.In addition, also directly adopt the design of vent plug, avoided the employing rubber hose, make that the sampler bag structure is simpler, use convenient.
The utility model is described according to specific embodiment; but it will be understood by those skilled in the art that when not breaking away from the utility model scope; can carry out various variations and be equal to replacement, any of these changes and is equal in the scope that replacement all falls into the utility model protection.In addition, for adapting to the specific occasion or the material of the utility model technology, also can carry out many modifications and not break away from its protection domain the utility model.Therefore, the utility model is not limited to specific embodiment disclosed herein, and comprises that all drop into the embodiment of claim protection domain.
Claims (6)
1. gas sampling bag that is used for breath test, comprise sampling bag and the blowing nozzle of being located on the described sampling bag, it is characterized in that, axially be provided with parallel inlet channel and the outlet passageway that is communicated with described sampling bag in the described blowing nozzle, the air intake opening of described inlet channel is provided with the gas lid that is used to open and seal described inlet channel, described blowing nozzle radially on be positioned at outlet passageway gas outlet place be provided with the vent plug that is used to open and seal described outlet passageway, described vent plug sidewall be provided with radially venthole, described venthole is communicated with the gas outlet of described outlet passageway in open mode by the axial vent plug hole of being located in the described vent plug.
2. gas sampling bag according to claim 1 is characterized in that, described inlet channel bore is greater than described outlet passageway bore.
3. gas sampling bag according to claim 1 and 2 is characterized in that, also is provided with airflow duct in the described sampling bag, and described inlet channel stretches into the inner chamber bottom of described sampling bag by the airflow duct that is communicated with it.
4. gas sampling bag according to claim 1 and 2 is characterized in that, the air intake opening of described inlet channel also is provided with the compressing tablet mechanism that is used to prevent gas reflux in the sampler bag.
5. gas sampling bag according to claim 4 is characterized in that, described compressing tablet mechanism comprises the bore inflatable mouth circle wide at the top and narrow at the bottom of being located at described air intake opening, and the compressing tablet circle that is connected to bore place under the described inflatable mouth circle.
6. gas sampling bag that is used for breath test, comprise sampling bag and the blowing nozzle of being located on the described sampling bag, it is characterized in that, independently be provided with the inlet channel that is used for incoming call gas that is communicated with described sampling bag in the described blowing nozzle, and the outlet passageway that is used to discharge gas, described inlet channel bore is greater than described outlet passageway bore, and described inlet channel stretches into the inner chamber bottom of described sampling bag to realize the first in first out circulation of gas by the airflow duct that is communicated with it, the air intake opening of described inlet channel is provided with the gas lid that prevents bag interior gas reflux, described blowing nozzle radially on be positioned at outlet passageway gas outlet place be provided with and be used for sealing described outlet passageway to hold back the vent plug of available gas when finishing exhaling, and the sidewall of described vent plug is provided with venthole radially, and described venthole is communicated with the gas outlet of described outlet passageway by the axial vent plug hole of being located in the described vent plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206130858U CN201876381U (en) | 2010-11-18 | 2010-11-18 | Gas sampling bag for breathing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206130858U CN201876381U (en) | 2010-11-18 | 2010-11-18 | Gas sampling bag for breathing test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201876381U true CN201876381U (en) | 2011-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206130858U Expired - Lifetime CN201876381U (en) | 2010-11-18 | 2010-11-18 | Gas sampling bag for breathing test |
Country Status (1)
| Country | Link |
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| CN (1) | CN201876381U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068898A (en) * | 2013-03-29 | 2014-10-01 | 深圳市中核海得威生物科技有限公司 | Gas sampling bag and manufacturing method thereof |
| CN104101518A (en) * | 2014-07-23 | 2014-10-15 | 安徽养和医疗器械设备有限公司 | Sampling bag for expiration tester |
| CN107036852A (en) * | 2016-02-03 | 2017-08-11 | 奎特龙设备有限公司 | Breath tester device |
| CN108663238A (en) * | 2017-04-01 | 2018-10-16 | 福建省先亚药业有限公司 | A kind of breath test gaseous sample collection bag, harvester and acquisition method |
| CN112841069A (en) * | 2021-02-26 | 2021-05-28 | 公安部南昌警犬基地 | Training method and auxiliary device for identifying dogs for lung cancer based on exhaled air of people |
-
2010
- 2010-11-18 CN CN2010206130858U patent/CN201876381U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104068898A (en) * | 2013-03-29 | 2014-10-01 | 深圳市中核海得威生物科技有限公司 | Gas sampling bag and manufacturing method thereof |
| CN104068898B (en) * | 2013-03-29 | 2016-01-20 | 深圳市中核海得威生物科技有限公司 | A kind of gas sampling bag and manufacture method thereof |
| CN104101518A (en) * | 2014-07-23 | 2014-10-15 | 安徽养和医疗器械设备有限公司 | Sampling bag for expiration tester |
| CN107036852A (en) * | 2016-02-03 | 2017-08-11 | 奎特龙设备有限公司 | Breath tester device |
| CN107036852B (en) * | 2016-02-03 | 2022-03-08 | 奎特龙设备有限公司 | Expiration testing device |
| CN108663238A (en) * | 2017-04-01 | 2018-10-16 | 福建省先亚药业有限公司 | A kind of breath test gaseous sample collection bag, harvester and acquisition method |
| CN112841069A (en) * | 2021-02-26 | 2021-05-28 | 公安部南昌警犬基地 | Training method and auxiliary device for identifying dogs for lung cancer based on exhaled air of people |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |