CN109567876A - Exhaled gas sampling apparatus - Google Patents
Exhaled gas sampling apparatus Download PDFInfo
- Publication number
- CN109567876A CN109567876A CN201910070015.8A CN201910070015A CN109567876A CN 109567876 A CN109567876 A CN 109567876A CN 201910070015 A CN201910070015 A CN 201910070015A CN 109567876 A CN109567876 A CN 109567876A
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- China
- Prior art keywords
- exhaled gas
- opening
- reservoir bag
- exhaled
- closing
- Prior art date
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- 238000005070 sampling Methods 0.000 title claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims description 14
- 239000000806 elastomer Substances 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 9
- 230000036541 health Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical class O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 208000037883 airway inflammation Diseases 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B2010/0083—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements for taking gas samples
- A61B2010/0087—Breath samples
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of exhaled gas sampling apparatuses, including threeway, clean gas reservoir bag, exhaled gas reservoir bag and mask, threeway includes clean gas entrance, sucking-expiratory port and exhaled gas outlet, clean gas reservoir bag is removably connect with clean gas entrance, exhaled gas reservoir bag is removably connect with exhaled gas outlet, mask is connect with sucking-expiratory port, and clean gas entrance, which is equipped with, only goes out valve, and exhaled gas outlet, which is equipped with, to be stopped into valve.The exhaled gas sampling apparatus has many advantages, such as that structure is simple and convenient to operate and samples pure.
Description
Technical field
The present invention relates to medical auxiliary apparatus more particularly to a kind of exhaled gas sampling apparatuses.
Background technique
Patient's exhaled gas is tested and analyzed, show that nitric oxide analog value is the one kind for detecting patient health index
Mode e.g. judges acidophilia airway inflammation situation according to inspection result and assists the diagnosis of asthma.To patient's exhaled gas
It before being detected, needs to be acquired its exhaled gas, the condition of acquisition is: under tranquil free respiratory state；Sucking is empty
The gas breathed out after the clean gas of air filter preparation.Existing sampling apparatus includes threeway, clean gas reservoir bag, exhales
Gas reservoir bag and mask out, in use, respectively by the three of clean gas reservoir bag, exhaled gas reservoir bag and mask and threeway
A port connection, has the following deficiencies:
1, it in use, clean gas reservoir bag is connected to exhaled gas reservoir bag by threeway, causes sampling impure, influences to adopt
The accuracy of sample；
2, in operating process, clean gas reservoir bag and exhaled gas reservoir bag need to be fixed on threeway with hand, are easy in operation
It leaks air and is easy damaged reservoir bag；
3, mask water mist easy to form all has an impact in terms of health and to acquisition gas.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, a kind of structure is provided and is simple and convenient to operate
And the exhaled gas sampling apparatus that sampling is pure.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of exhaled gas sampling apparatus, including threeway, clean gas reservoir bag, exhaled gas reservoir bag and mask, described three
It is logical to be exported including clean gas entrance, sucking-expiratory port and exhaled gas, the clean gas reservoir bag and the clean gas
Entrance removably connects, and the outlet of the exhaled gas reservoir bag and the exhaled gas removably is connect, the mask and
The sucking-expiratory port connection, the clean gas entrance, which is equipped with, only goes out valve, and the exhaled gas outlet, which is equipped with, to be stopped into valve.
As a further improvement of the above technical scheme:
It is described only go out valve include the first opening-closing plate set gradually into threeway from the clean gas entrance, the first opening and closing ball,
First spring and the first support plate, the first opening-closing plate middle part are equipped with the first opening and closing hole, and first support plate is equipped with first
Through-hole, first opening-closing plate and the first support plate are fixedly arranged on the inner wall of the threeway, and first spring one end is fixed in
First support plate, the other end are fixed in the first opening and closing ball, elastic force of the first opening and closing ball in first spring
First opening and closing hole is pressed under effect.
The valve that stops includes that the second support plate set gradually into threeway, the second bullet are exported from the exhaled gas
Spring, the second opening and closing ball and the second opening-closing plate, the second opening-closing plate middle part are equipped with the second opening and closing hole, and second support plate is set
There is the second through-hole, second opening-closing plate and the second support plate are fixedly arranged on the inner wall of the threeway, described second spring one end
It is fixed in second support plate, the other end is fixed in the second opening and closing ball, and the second opening and closing ball is in the second spring
Elastic force effect under be pressed on it is described second opening and closing hole.
The threeway is provided inwardly with isolation board by the sucking-expiratory port, the isolation board by space in the threeway every
From the second channel for forming the first passage for being connected to the clean gas entrance and being connected to the exhaled gas outlet.
The sack of the clean gas reservoir bag and the exhaled gas reservoir bag is equipped with open and close valve.
The clean gas reservoir bag and the exhaled gas reservoir bag sack linkage section are set as elastomer, described clean
Gas reservoir bag and the clean gas entrance, the exhaled gas reservoir bag and exhaled gas outlet pass through elastomer
Connection.
The clean gas reservoir bag and the clean gas entrance, the exhaled gas reservoir bag and the exhaled gas
Outlet is connected through a screw thread.
The mask inner wall is removable to be arranged with one layer of cotton pad.
One end that the mask is connect with the sucking-expiratory port is equipped with water absorbent net.
The mask is connected through a screw thread with the sucking-expiratory port or is crimped by resilient sleeve.
Compared with the prior art, the advantages of the present invention are as follows:
1, exhaled gas sampling apparatus of the invention prevents clean gas reservoir bag and exhalation by only going out valve and stopping into valve
The connection of gas reservoir bag improves the standard of sampling so that the purity of influence sucking gas and the sampling purity of influence exhaled gas
True property, and its structure is simple and convenient to operate；
2, exhaled gas sampling apparatus of the invention, reservoir bag are connect by elastomer or screw thread with threeway, and installation is avoided
When need to be fixed with hand so that reservoir bag is damaged；
3, exhaled gas sampling apparatus of the invention avoids influencing acquisition exhaled gas and face by being arranged cotton pad in mask
Cover health.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of exhaled gas sampling apparatus embodiment one of the present invention.
Fig. 2 is the structural schematic diagram of threeway in exhaled gas sampling apparatus embodiment one of the present invention.
Fig. 3 is the side structure schematic view of threeway in exhaled gas sampling apparatus embodiment one of the present invention.
Fig. 4 is the structural schematic diagram of clean gas reservoir bag in exhaled gas sampling apparatus embodiment one of the present invention.
Fig. 5 is the structural schematic diagram of exhaled gas reservoir bag in exhaled gas sampling apparatus embodiment one of the present invention.
Fig. 6 is the structural schematic diagram of mask in exhaled gas sampling apparatus embodiment one of the present invention.
Fig. 7 is the structural schematic diagram of exhaled gas sampling apparatus embodiment two of the present invention.
Fig. 8 is the enlarged structure schematic diagram in Fig. 7 at A.
Fig. 9 is the enlarged structure schematic diagram in Fig. 7 at B.
Figure 10 is the enlarged structure schematic diagram in Fig. 7 at C.
Each label indicates in figure:
1, threeway；11, clean gas entrance；12, sucking-expiratory port；13, exhaled gas exports；14, isolation board；15, first is logical
Road；16, second channel；2, clean gas reservoir bag；3, exhaled gas reservoir bag；31, elastomer；4, mask；41, resilient sleeve；
5, only go out valve；51, the first opening-closing plate；52, the first opening and closing ball；53, the first spring；54, the first support plate；55, the first opening and closing hole；
56, first through hole；6, stop into valve；61, the second support plate；62, second spring；63, the second opening and closing ball；64, the second opening-closing plate；
65, the second opening and closing hole；66, the second through-hole；7, open and close valve；8, cotton pad；9, water absorbent net.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Embodiment one:
As shown in Figures 1 to 6, the exhaled gas sampling apparatus of the present embodiment one, including threeway 1, clean gas reservoir bag 2, exhale
Gas reservoir bag 3 and mask 4 out, threeway 1 include clean gas entrance 11, sucking-expiratory port 12 and exhaled gas outlet 13, are done
Net gas reservoir bag 2 is removably connect with clean gas entrance 11, and exhaled gas reservoir bag 3 and exhaled gas outlet 13 are removable
The connection unloaded, mask 4 are connect with sucking-expiratory port 12, and clean gas entrance 11, which is equipped with, only goes out valve 5, and exhaled gas outlet 13 is set
Have and stops into valve 6.In the structure, three ports of threeway 1 are respectively clean gas entrance 11, sucking-expiratory port 12 and expiratory air
Body outlet 13, clean gas entrance 11 only go out valve 5 for allowing gas smoothly to flow into threeway 1 and being used to that gas to be prevented to be expelled to dry
Net gas reservoir bag 2, exhaled gas outlet 13 stop into valve 6 for allowing gas to smoothly flow out to exhaled gas reservoir bag 3 and using
In preventing gas from flowing into threeway 1, in use, patient is allowed to wear mask 4, the mouth and nose for making patient are in mask 4, Bing Ren
When air-breathing, clean gas in clean gas entrance 11 flows through threeway 1 by only going out valve 5 and is absorbed by patient, meanwhile, stop into valve 6
It prevents in exhaled gas reservoir bag 3 exhaled gas to again flow through threeway 1 to be inhaled by a patient, patient is in exhaled gas, exhalation
Gas flows through threeway 1 and flows into exhaled gas reservoir bag 3 into valve 6 by stopping again, meanwhile, only valve 5 prevents exhaled gas to flow into out
Clean gas reservoir bag 2, therefore, the sampling apparatus of this structure prevent clean gas reservoir bag 2 and exhaled gas reservoir bag 3 to connect
It is logical (to prevent patient largely to suck the exhaled gas breathed out again, and prevent clean gas from entering exhaled gas reservoir bag
3) so that influencing the purity of sucking gas and influencing the sampling purity of exhaled gas, the accuracy of sampling, structure are improved
It is simple and convenient to operate.
In the present embodiment, only valve 5 includes the first opening-closing plate set gradually from clean gas entrance 11 into threeway 1 out
51, first it is opened and closed ball 52, the first spring 53 and the first support plate 54, the first opening and closing hole 55 is equipped in the middle part of the first opening-closing plate 51, the
One support plate 54 is equipped with first through hole 56, and the first opening-closing plate 51 and the first support plate 54 are fixedly arranged on the inner wall of threeway 1, the first bullet
53 one end of spring is fixed in the first support plate 54, and the other end is fixed in the first opening and closing ball 52, and the first opening and closing ball 52 is in the first spring 53
Elastic force effect under be pressed on the first opening and closing hole 55.In the structure, the first spring 53 has a small amount of compressions, makes the first spring 53
Under airless state, the first opening and closing ball 52 is pushed to press and close the first opening and closing hole 55, in use process, when patient's air-breathing
When, the gas in clean gas reservoir bag 2 flow out the air-flow to be formed to the direction of the first spring 53 push the first opening and closing ball 52 with
The first opening and closing hole 55 is opened, then human body is entered by threeway 1, when the patient breathes out, side of the air-flow to the first opening and closing hole 55
Being opened and closed ball 52 to promotion first prevents exhaled gas in combination with the elastic force of the first spring 53 to be closed the first opening and closing hole 55
Into clean gas reservoir bag 2, so that influencing the purity of gas in clean gas reservoir bag 2, only 5 structure of valve is simple out for this,
It can be realized with airflow direction automatic open-close.
In the present embodiment, stopping valve 6 includes the second support plate set gradually from exhaled gas outlet 13 into threeway 1
61, second spring 62, second is opened and closed ball 63 and the second opening-closing plate 64, and the second opening and closing hole 65 is equipped in the middle part of the second opening-closing plate 64, the
Two support plates 61 are equipped with the second through-hole 66, and the second opening-closing plate 64 and the second support plate 61 are fixedly arranged on the inner wall of threeway 1, the second bullet
62 one end of spring is fixed in the second support plate 61, and the other end is fixed in the second opening and closing ball 63, and the second opening and closing ball 63 is in second spring 62
Elastic force effect under be pressed on the second opening and closing hole 65.In the structure, second spring 62 has a small amount of compressions, makes second spring 62
Under airless state, the second opening and closing ball 63 is pushed to press and close the second opening and closing hole 65, in use process, when patient's air-breathing
When, the second opening and closing ball 63 presses the second opening and closing of closing hole 65 under the action of second spring 62, prevents in exhaled gas reservoir bag 3
Gas flows into threeway 1, and when the patient breathes out, air-flow pushes the second opening and closing ball 63 to open to the direction of second spring 62
Second opening and closing hole 65, allow exhaled gas to can smoothly enter into exhaled gas reservoir bag 3, this stop it is simple into 6 structure of valve, can be realized with
Airflow direction automatic open-close.
In the present embodiment, threeway 1 is provided inwardly with isolation board 14 by sucking-expiratory port 12, and isolation board 14 is by the inside of threeway 1
The second channel to form the first passage 15 for being connected to clean gas entrance 11 and be connected to exhaled gas outlet 13 is isolated in space
16.In the structure, isolation board 14 is extended to inside threeway 1 by sucking-expiratory port 12 of threeway 1 to be arranged, and by the inside of threeway 1
Space is isolated to form first passage 15 and second channel 16, and first passage 15 is connected to sucking-expiratory port 12 and clean gas enters
Mouth 11, circulation of the first passage 15 for clean gas in clean gas reservoir bag 2, second channel 16 are connected to sucking-exhalation
Mouth 12 and exhaled gas outlet 13, second channel 16 are used for the circulation of exhaled gas, and isolation board 14 is by clean gas channel and exhales
Gas channel separation comes out, further improves the purity that gas is collected in exhaled gas reservoir bag 3.
In the present embodiment, the sack of clean gas reservoir bag 2 and exhaled gas reservoir bag 3 is equipped with open and close valve 7.The structure
In, open and close valve 7 is used to open and close or adjust the openings of sizes of clean gas reservoir bag 2 and exhaled gas reservoir bag 3, so that clean gas
Body reservoir bag 2, by merging open and close valve 7 with the sack of closed clean gas reservoir bag 2, is conveniently done after having collected clean gas
The closing of net gas reservoir bag 2 is beaten in use, clean gas reservoir bag 2 to be butted up against to the clean gas entrance 11 of threeway 1 again
Open and close valve 7 is opened, easy to use, similarly, the open and close valve 7 of exhaled gas reservoir bag 3 is convenient for 3 sack of exhaled gas reservoir bag
Folding, avoid and need hand to fix when installation so that influencing the service life of reservoir bag.
In the present embodiment, clean gas reservoir bag 2 and 3 sack linkage section of exhaled gas reservoir bag are set as elastomer 31,
Clean gas reservoir bag 2 and clean gas entrance 11, exhaled gas reservoir bag 3 and exhaled gas outlet 13 pass through elastomer 31
Connection.In the structure, elastomer 31 is rubber cylinder or silicone cylinder, and clean gas reservoir bag 2 is inserted by its elastomer 31
It is connected to clean gas entrance 11, exhaled gas reservoir bag 3 is plugged in exhaled gas outlet 13, elastomer 31 by its elastomer 31
The socket part formation connection together in threeway 1 is forced by its radial elastic after grafting, attended operation is convenient, avoids each storage
It needs to be fixed by hand in bag installation process and leak air.
In the present embodiment, mask 4 is crimped with sucking-expiratory port 12 by resilient sleeve 41.In the structure, mask 4 and sucking-
The connection end cap intrinsic elasticity set 41 of expiratory port 12, resilient sleeve 41 are rubber pad or silicagel pad, and 4 sets of intrinsic elasticities of mask cover 41
Sucking-expiratory port 12 is inserted into connecting pin, and sucking-expiratory port 12 is radial to be pressed on resilient sleeve 41, and mask 4 passes through the elasticity of resilient sleeve 41
Tension and sucking-expiratory port 12 of threeway 1 form affixed, attended operation convenience.
In the present embodiment, 4 inner wall of mask is removable to be arranged with one layer of cotton pad 8.In the structure, cotton pad 8 is adapted to and is arranged
It in the inner wall of mask 4, changes conveniently, is easy to implement one cotton pad 8 of a people, cotton pad 8 avoids patient's exhaled gas from being formed for absorbing water
Water mist influence the health of mask 4.
In the present embodiment, one end that mask 4 is connect with sucking-expiratory port 12 is equipped with water absorbent net 9.In the structure, water absorbent net 9
For absorbing the water mist in exhaled gas, prevents water mist from entering exhaled gas reservoir bag 3, influence exhaled gas collecting effect.
Embodiment two:
As shown in Figure 7 to 10, the structure of the present embodiment and the exhaled gas sampling apparatus of embodiment one is essentially identical, and difference is only
It is: clean gas reservoir bag 2 and clean gas entrance 11, exhaled gas reservoir bag 3 and exhaled gas outlet 13 and mask
4 are connected through a screw thread with sucking-expiratory port 12.In the structure, clean gas reservoir bag 2, exhaled gas reservoir bag 3 and mask
4 connecting pin is equipped with external screw thread, and threeway 1 is all provided in clean gas entrance 11, exhaled gas outlet 13 and sucking-expiratory port 12
There is an internal screw thread, each external screw thread is threadedly connected to corresponding internal screw thread, easy to connect and be completely embedded.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (10)
1. a kind of exhaled gas sampling apparatus, it is characterised in that: including threeway (1), clean gas reservoir bag (2), exhaled gas
Reservoir bag (3) and mask (4), the threeway (1) include clean gas entrance (11), sucking-expiratory port (12) and exhaled gas
It exports (13), the clean gas reservoir bag (2) removably connect with the clean gas entrance (11), the exhaled gas
Reservoir bag (3) is removably connect with exhaled gas outlet (13), the mask (4) and the sucking-expiratory port (12)
Connection, the clean gas entrance (11), which is equipped with, only goes out valve (5), and the exhaled gas outlet (13), which is equipped with, stops into valve (6).
2. exhaled gas sampling apparatus according to claim 1, it is characterised in that: described only valve (5) include by described out
Interior the first opening-closing plate (51) set gradually of clean gas entrance (11) Xiang Suoshu threeway (1), the first opening and closing ball (52), the first bullet
Spring (53) and the first support plate (54), the first opening-closing plate (51) middle part are equipped with the first opening and closing hole (55), first support
Plate (54) is equipped with first through hole (56), and first opening-closing plate (51) and the first support plate (54) are fixedly arranged on the threeway (1)
Inner wall, described first spring (53) one end is fixed in first support plate (54), and the other end is fixed in first opening and closing
Ball (52), first opening and closing ball (52) are pressed on first opening and closing hole under the elastic force effect of first spring (53)
(55).
3. exhaled gas sampling apparatus according to claim 2, it is characterised in that: described stop into valve (6) includes by described
The second support plate (61), the second spring (62), the second opening and closing set gradually in exhaled gas outlet (13) Xiang Suoshu threeway (1)
Ball (63) and the second opening-closing plate (64), the second opening-closing plate (64) middle part are equipped with the second opening and closing hole (65), second support
Plate (61) is equipped with the second through-hole (66), and second opening-closing plate (64) and the second support plate (61) are fixedly arranged on the threeway (1)
Inner wall, described second spring (62) one end is fixed in second support plate (61), and the other end is fixed in second opening and closing
Ball (63), second opening and closing ball (63) are pressed on second opening and closing hole under the elastic force effect of the second spring (62)
(65).
4. exhaled gas sampling apparatus according to claim 1, it is characterised in that: the threeway (1) is sucked-exhaled by described
Outlet (12) is provided inwardly with isolation board (14), and the threeway (1) interior space is isolated to be formed by the isolation board (14) is connected to institute
It states the first passage (15) of clean gas entrance (11) and is connected to the second channel (16) of the exhaled gas outlet (13).
5. exhaled gas sampling apparatus according to any one of claim 1 to 4, it is characterised in that: the clean gas
The sack of reservoir bag (2) and the exhaled gas reservoir bag (3) is equipped with open and close valve (7).
6. exhaled gas sampling apparatus according to claim 5, it is characterised in that: the clean gas reservoir bag (2) and
Exhaled gas reservoir bag (3) the sack linkage section is set as elastomer (31), and the clean gas reservoir bag (2) is done with described
Net gas access (11), the exhaled gas reservoir bag (3) and exhaled gas outlet (13) are connected by elastomer (31)
It connects.
7. exhaled gas sampling apparatus according to claim 5, it is characterised in that: the clean gas reservoir bag (2) with
The clean gas entrance (11), the exhaled gas reservoir bag (3) and exhaled gas outlet (13) are connected by screw thread
It connects.
8. exhaled gas sampling apparatus according to any one of claim 1 to 4, it is characterised in that: in the mask (4)
Wall is removable to be arranged with one layer of cotton pad (8).
9. exhaled gas sampling apparatus according to any one of claim 1 to 4, it is characterised in that: the mask (4) with
One end of sucking-expiratory port (12) connection is equipped with water absorbent net (9).
10. exhaled gas sampling apparatus according to any one of claim 1 to 4, it is characterised in that: the mask (4)
It is connected through a screw thread with the sucking-expiratory port (12) or is crimped by resilient sleeve (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070015.8A CN109567876A (en) | 2019-01-24 | 2019-01-24 | Exhaled gas sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070015.8A CN109567876A (en) | 2019-01-24 | 2019-01-24 | Exhaled gas sampling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109567876A true CN109567876A (en) | 2019-04-05 |
Family
ID=65917388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910070015.8A Pending CN109567876A (en) | 2019-01-24 | 2019-01-24 | Exhaled gas sampling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109567876A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196814A (en) * | 2020-08-27 | 2021-01-08 | 蚌埠翔云压缩机制造有限公司 | Pipeline wheel supercharging and ventilating compressor |
| CN112842403A (en) * | 2020-12-24 | 2021-05-28 | 中国水产科学研究院南海水产研究所 | Collection of aquatic animal breath release14CO2And method of use thereof |
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2019
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| CN210077708U (en) * | 2019-01-24 | 2020-02-18 | 中南大学湘雅三医院 | Exhaled air sampling device |
Cited By (2)
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| CN112196814A (en) * | 2020-08-27 | 2021-01-08 | 蚌埠翔云压缩机制造有限公司 | Pipeline wheel supercharging and ventilating compressor |
| CN112842403A (en) * | 2020-12-24 | 2021-05-28 | 中国水产科学研究院南海水产研究所 | Collection of aquatic animal breath release14CO2And method of use thereof |
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