CN216257187U - Integrated air bag expiration collecting device - Google Patents
Integrated air bag expiration collecting device Download PDFInfo
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- CN216257187U CN216257187U CN202120150587.XU CN202120150587U CN216257187U CN 216257187 U CN216257187 U CN 216257187U CN 202120150587 U CN202120150587 U CN 202120150587U CN 216257187 U CN216257187 U CN 216257187U
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Abstract
The utility model is suitable for the technical field of medical equipment, and provides an integrated air bag expired air acquisition device, which comprises a gas collection bag provided with a first cavity and a second cavity, wherein the first cavity is used for collecting cavity gas, and the second cavity is used for collecting alveolar gas; and the valve control part is arranged between the first cavity and the second cavity and used for limiting the gas entering from the inlet of the gas collecting bag to firstly enter the first cavity and then enter the second cavity after the gas is filled in the first cavity. According to the utility model, through arranging the valve control part, the gas entering from the inlet of the gas collecting bag can be limited to enter the first cavity firstly, and enter the second cavity after the gas is filled in the first cavity, so that the separation and collection of the cavitary tract gas and the alveolar gas are realized, and the medical staff can conveniently check the state of illness of a patient through the alveolar gas.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to an integrated air bag expired air collecting device.
Background
The breath collecting device is mainly used for collecting alveolar gas exhaled by a patient, but generally, the gas exhaled by a human body contains other gases such as luminal gas and the like, on one hand, the luminal gas can dilute the concentration of disease markers in the alveolar gas, and on the other hand, the gas from the external environment can interfere the type and content of the disease markers, so that the effectiveness of breath analysis is finally influenced. Therefore, the technical problem that inaccurate detection results are caused by the fact that excessive cavity gas is easily mixed in the acquisition process in the prior art is solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integrated air bag expired air acquisition device, and aims to solve the problem that in the prior art, too much gas is easily mixed in an acquisition process, so that a detection result is inaccurate.
The utility model is realized in this way, an integrated air bag breath collecting device, comprising: the gas collecting bag is provided with a first cavity and a second cavity, the first cavity is used for collecting cavity gas, and the second cavity is used for collecting alveolar gas; and the valve control part is arranged between the first cavity and the second cavity and is used for limiting the gas entering from the inlet of the gas collecting bag to firstly enter the first cavity and then enter the second cavity after the gas is filled in the first cavity.
Preferably, the gas collecting bag comprises a first gas bag and a second gas bag which are connected in series in an integrated manner, the first gas bag corresponds to the first cavity, the second gas bag corresponds to the second cavity, the first gas bag is connected in series to a gas inlet pipe of the second gas bag, and an opening end of the gas inlet pipe of the first gas bag is higher than an opening end of the gas inlet pipe of the second gas bag.
Preferably, the valve control part is a first one-way valve arranged on an air inlet pipe of the second air bag, and when the first cavity is filled with air, the first one-way valve is opened towards the bottom of the second air bag under the action of air pressure increase.
Preferably, the gas collecting bag comprises a first gas bag and a second gas bag which are sleeved in an integrated manner, the first gas bag corresponds to the first cavity, the second gas bag corresponds to the second cavity, the second gas bag is sleeved outside the first gas bag, and the opening end of the gas inlet pipe of the second gas bag is higher than the opening end of the gas inlet pipe of the first gas bag.
Preferably, the valve control part is a second one-way valve sleeved on the outer wall of the air inlet pipe of the first air bag, the inner annular wall of the second one-way valve is tightly attached to the outer wall of the air inlet pipe of the first air bag, the outer annular wall of the second one-way valve is tightly attached to the inner wall of the air inlet pipe of the second air bag, and when the first cavity is filled with gas, the one-way valve is opened towards the bottom of the second air bag under the action of increased air pressure.
Preferably, the outer wall of the air inlet pipe of the second air bag is recessed towards the inner wall to form an annular step surface, and the outer annular wall of the second one-way valve is tightly attached to the inner wall of the air inlet pipe of the second air bag and tightly abutted to the inner wall of the annular step surface.
Preferably, the gas collecting bag comprises a first gas bag and a second gas bag which are connected in parallel, the first gas bag and the second gas bag are communicated through a branch pipeline, the first gas bag corresponds to the first cavity, the second gas bag corresponds to the second cavity, and the opening end of the gas inlet pipe of the second gas bag is an inlet of the gas collecting bag.
Preferably, the valve control part is a third one-way valve which is arranged on the air inlet pipe of the second air bag and is lower than the opening end of the branch pipeline, and when the first cavity is filled with air, the third one-way valve is opened towards the bottom of the second air bag under the action of air pressure increase.
Preferably, the volume of the first cavity is smaller than the volume of the second cavity.
Preferably, the air inlet pipe of the first air bag is fixedly connected with the air inlet pipe of the second air bag through a plurality of connecting rods distributed at intervals.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the integrated air bag expired air acquisition device provided by the utility model comprises a gas collection bag provided with a first cavity and a second cavity, wherein the first cavity is used for collecting cavity gas, and the second cavity is used for collecting alveolar gas; and the valve control part is arranged between the first cavity and the second cavity and is used for limiting the gas entering from the inlet of the gas collecting bag to firstly enter the first cavity and then enter the second cavity after the gas is filled in the first cavity. According to the utility model, through the valve control piece arranged between the first cavity and the second cavity, the gas entering from the inlet of the gas collecting bag can be limited to enter the first cavity firstly, and enter the second cavity after the gas is filled in the first cavity, so that the separation and collection of the cavitary tract gas and the alveolar gas are realized, the condition of a patient can be checked through the alveolar gas by medical personnel conveniently.
Drawings
FIG. 1 is a schematic structural view of an integrated airbag breath collection device provided by the present invention;
FIG. 2 is a schematic cross-sectional view of an integrated airbag breath collection device according to the present invention;
FIG. 3 is another schematic view of the integrated airbag breath collection assembly of the present invention;
FIG. 4 is a schematic cross-sectional view of an integrated airbag breath collection assembly of the present invention;
FIG. 5 is a schematic cross-sectional view of an integrated airbag breath collection assembly of the present invention;
FIG. 6 is another schematic view of the integrated airbag breath collection assembly of the present invention;
FIG. 7 is a schematic cross-sectional view of an integrated airbag breath collection assembly of the present invention;
FIG. 8 is a schematic view of the valve control of the integrated airbag breath collection assembly of the present invention.
Reference numerals: 1. a first cavity; 2. a second cavity; 3. a gas collection bag; 4. a valve control member; 5. a first air bag; 6. a second air bag; 7. an annular step surface; 8. a branch pipeline; 9. a connecting rod.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
An embodiment of the present invention provides an integrated air bag breath collecting device, as shown in fig. 1, 2, and 8, including: the gas collecting bag 3 is provided with a first cavity 1 and a second cavity 2, the first cavity 1 is used for collecting cavity gas, and the second cavity 2 is used for collecting alveolar gas; and the valve control part 4 is arranged between the first cavity 1 and the second cavity 2 and is used for limiting the gas entering from the inlet of the gas collecting bag 3 to firstly enter the first cavity 1 and then enter the second cavity 2 after the gas fills the first cavity 1.
In this embodiment, the integrated airbag breath collection device is adapted to collect the exhaled air of the patient and separate the airway gas and the alveolar gas in the exhaled air. The integrated air bag breath collecting device comprises a gas collecting bag 3 and a valve control part 4. Since luminal and alveolar gases are produced in the trachea and lungs, it is the luminal and alveolar gases that are exhaled first when the breath is exhaled. Utilize this characteristic, this application is through setting up valve control 4 between first cavity 1 and second cavity 2, can inject the gas that gets into from 3 entrances of gas collection bag and get into first cavity 1 earlier, and get into second cavity 2 after gas is full of first cavity 1, and then realize the separation of cavitary tract gas and alveolar gas and collect, be convenient for medical personnel to pass through alveolar gas inspection patient's state of an illness, compare current alveolar gas collection mode, this application can avoid prior art to have the collection process to sneak into too much cavitary tract gas easily and lead to the inaccurate problem of testing result. And this application adopts integral type manufacturing process, designs into integral type with expiration collection system, has removed the flow of user's equipment from.
Specifically, the gas collecting bag 3 is provided with a first cavity 1 and a second cavity 2, the first cavity 1 is used for collecting the cavity gas, and the second cavity 2 is used for collecting the alveolar gas. The valve control part 4 is arranged between the first cavity 1 and the second cavity 2 and is used for limiting the gas entering from the inlet of the gas collecting bag 3 to firstly enter the first cavity 1 and then enter the second cavity 2 after the gas fills the first cavity 1.
In a further preferred embodiment of the present invention, as shown in fig. 1-2, the gas collecting bag 3 comprises a first gas bag 5 and a second gas bag 6 connected in series, the first gas bag 5 corresponds to the first cavity 1, the second gas bag 6 corresponds to the second cavity 2, the first gas bag 5 is connected in series to the gas inlet pipe of the second gas bag 6, and the open end of the gas inlet pipe of the first gas bag 5 is higher than the open end of the gas inlet pipe of the second gas bag 6.
In the embodiment, the gas collecting bag 3 includes a first gas bag 5 and a second gas bag 6 connected in series, the first gas bag 5 corresponds to the first cavity 1, and the second gas bag 6 corresponds to the second cavity 2. The first air bag 5 is connected in series with the air inlet pipe of the second air bag 6, and the opening end of the air inlet pipe of the first air bag 5 is higher than that of the air inlet pipe of the second air bag 6. When the expiration is collected, the two air bags are firstly in a vacuum state, the mouth of a patient holds the air exhaled from the opening end of the air inlet pipe of the first air bag 5, the valve control part 4 is arranged between the first cavity 1 and the second cavity 2, the exhaled air (cavity air) firstly fills the first air bag 5, after the first air bag 5 is filled, the residual air (alveolar air) enters the second air bag 6 under the action of the valve control part 4, and the opening end of the air inlet pipe of the second air bag 6 is closed by the valve control part 4 when the expiration stops, so that the required alveolar air is collected.
The valve control part 4 is a first one-way valve arranged on an air inlet pipe of the second air bag 6, when the first cavity 1 is filled with air, the first one-way valve is opened towards the bottom of the second air bag 6 under the action of air pressure increase, and the air containing alveolar air can enter the second air bag 6 to be collected.
In a further preferred embodiment of the present invention, as shown in fig. 3-5, the gas collecting bag 3 comprises a first gas bag 5 and a second gas bag 6 which are integrally sleeved, the first gas bag 5 corresponds to the first cavity 1, the second gas bag 6 corresponds to the second cavity 2, the second gas bag is sleeved outside the first gas bag 5, and an opening end of an air inlet pipe of the second gas bag 6 is higher than an opening end of an air inlet pipe of the first gas bag 5.
In the present embodiment, the gas collecting bag 3 comprises a first gas bag 5 and a second gas bag 6 which are integrally sleeved. The first air bag 5 corresponds to the first cavity 1, the second air bag 6 corresponds to the second cavity 2, the second air bag 6 is sleeved outside the first air bag 5, and the opening end of the air inlet pipe of the second air bag 6 is higher than that of the air inlet pipe of the first air bag 5. When the expiration is collected, the two air bags are firstly in a vacuum state, the mouth of a patient holds the air exhaled from the opening end of the air inlet pipe of the second air bag 6, because the valve control part 4 is arranged between the first cavity 1 and the second cavity 2, the exhaled air (cavity air) is firstly filled in the first air bag 5, after the first air bag 5 is filled in, the residual air (alveolar air) enters the second air bag 6 under the action of the valve control part 4, and the opening end of the air inlet pipe of the second air bag 6 is closed by the valve control part 4 when the expiration is stopped, so that the required alveolar air is collected.
The valve control part 4 is a second one-way valve sleeved on the outer wall of the air inlet pipe of the first air bag 5, the inner annular wall of the second one-way valve is tightly attached to the outer wall of the air inlet pipe of the first air bag 5, and the outer annular wall of the second one-way valve is tightly attached to the inner wall of the air inlet pipe of the second air bag 6, so that the air tightness of the second one-way valve is improved. When the first cavity 1 is filled with gas, the one-way valve is opened towards the bottom of the second air bag 6 under the action of the increase of the air pressure, and the gas containing alveolar gas enters the second air bag 6 to be collected.
In a further preferred embodiment of the present invention, as shown in fig. 3-5, the outer wall of the air inlet pipe of the second air bag 6 is recessed towards the inner wall to form an annular step surface 7, and the outer annular wall of the second one-way valve is tightly attached to the inner wall of the air inlet pipe of the second air bag 6 and tightly attached to the inner wall of the annular step surface 7.
In this embodiment, the outer wall of the air inlet pipe of the second air bag 6 is recessed toward the inner wall to form an annular step surface 7, and the outer annular wall of the second one-way valve is tightly attached to the inner wall of the air inlet pipe of the second air bag 6 and tightly abutted to the inner wall of the annular step surface 7, so that the air tightness of the second one-way valve can be further improved.
In a further preferred embodiment of the present invention, as shown in fig. 6-7, the gas collecting bag 3 comprises a first gas bag 5 and a second gas bag 6 in parallel, and the first gas bag 5 and the second gas bag 6 are communicated through a branch pipe 8, the first gas bag 5 corresponds to the first cavity 1, the second gas bag 6 corresponds to the second cavity 2, and the open end of the gas inlet pipe of the second gas bag 6 is the inlet of the gas collecting bag 3.
In the present embodiment, the gas collection bag 3 includes the first gas bag 5 and the second gas bag 6 in parallel, and the first gas bag 5 and the second gas bag 6 are communicated through the branch piping 8. The first air bag 5 corresponds to the first cavity 1, the second air bag 6 corresponds to the second cavity 2, and the opening end of the air inlet pipe of the second air bag 6 is an inlet of the gas collecting bag 3. When the expiration is collected, the two air bags are firstly in a vacuum state, the mouth of a patient holds the air exhaled from the opening end of the air inlet pipe of the first air bag 5, the valve control part 4 is arranged between the first cavity 1 and the second cavity 2, the exhaled air (cavity air) firstly fills the first air bag 5, after the first air bag 5 is filled, the residual air (alveolar air) enters the second air bag 6 under the action of the valve control part 4, and the opening end of the air inlet pipe of the second air bag 6 is closed by the valve control part 4 when the expiration stops, so that the required alveolar air is collected.
In a further preferred embodiment of the present invention, as shown in fig. 1, the volume of the first cavity 1 is smaller than the volume of the second cavity 2.
In this embodiment, the volume of the first chamber 1 is smaller than that of the second chamber 2, so as to avoid most of the gas from collecting into the first air bag 5 and affecting the sample collection amount of the alveolar gas. The volume of the first cavity 1 and the second cavity 2 can be determined according to the actual situation, for example, the volume of the first cavity 1 is 250ml-350ml, and the volume of the second cavity 2 is 400ml-550 ml.
In a further preferred embodiment of the present invention, as shown in fig. 2, the air inlet pipe of the first air bag 5 and the air inlet pipe of the second air bag 6 are fixedly connected by a plurality of connecting rods 9 distributed at intervals.
In the embodiment, the air inlet pipe of the first air bag 5 and the air inlet pipe of the second air bag 6 are fixedly connected through a plurality of connecting rods 9 distributed at intervals so as to ensure the stability and the air circulation.
It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the utility model. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the utility model.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above examples are only used to illustrate the technical solution of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.
Claims (10)
1. An integrated air bag breath collection device, comprising:
the gas collecting bag is provided with a first cavity and a second cavity, the first cavity is used for collecting cavity gas, and the second cavity is used for collecting alveolar gas; and
and the valve control part is arranged between the first cavity and the second cavity and is used for limiting the gas entering from the gas collecting bag inlet to firstly enter the first cavity and then enter the second cavity after the gas fills the first cavity.
2. The integrated air bag breath collecting device according to claim 1, wherein said gas collecting bag comprises a first air bag and a second air bag connected in series, said first air bag corresponds to said first cavity, said second air bag corresponds to said second cavity, said first air bag is connected in series to an air inlet tube of said second air bag, and an opening end of said air inlet tube of said first air bag is higher than an opening end of said air inlet tube of said second air bag.
3. The integrated air bag breath collection device of claim 2, wherein said valve control member is a first one-way valve mounted to said inlet tube of said second air bag, said first one-way valve opening in a direction toward said bottom of said second air bag upon an increase in air pressure as said first chamber is filled with air.
4. The integrated air bag breath collection device according to claim 1, wherein the gas collection bag comprises a first air bag and a second air bag which are integrally sleeved, the first air bag corresponds to the first cavity, the second air bag corresponds to the second cavity, the second air bag is sleeved outside the first air bag, and an opening end of an air inlet pipe of the second air bag is higher than an opening end of an air inlet pipe of the first air bag.
5. The integrated air bag breath collection device of claim 4, wherein said valve control element is a second one-way valve disposed on an outer wall of an air inlet tube of said first air bag, an inner annular wall of said second one-way valve is tightly attached to an outer wall of an air inlet tube of said first air bag, an outer annular wall of said second one-way valve is tightly attached to an inner wall of an air inlet tube of said second air bag, and when said first cavity is filled with air, said one-way valve is opened toward a bottom of said second air bag by an increase in air pressure.
6. The integrated air bag breath collection device of claim 5, wherein the outer wall of the air inlet tube of said second air bag is recessed toward the inner wall to form an annular step surface, and the outer annular wall of said second one-way valve is tightly attached to the inner wall of the air inlet tube of said second air bag and tightly attached to the inner wall of said annular step surface.
7. The integrated air bag breath collecting device according to claim 1, wherein said gas collecting bag comprises a first air bag and a second air bag connected in parallel and connected to each other through a branch pipe, said first air bag corresponds to said first cavity, said second air bag corresponds to said second cavity, and an opening end of an air inlet pipe of said second air bag is an inlet of said gas collecting bag.
8. The integrated air bag breath collection device of claim 7, wherein said valve control member is a third one-way valve mounted on said air inlet tube of said second air bag and below said branch conduit open end, said third one-way valve opening toward said bottom of said second air bag under the action of the increase in air pressure when said first chamber is filled with air.
9. An integrated air bag breath collection device according to any of claims 2 to 8 wherein said first chamber has a volume less than a volume of said second chamber.
10. An integrated air bag breath collection device according to any of claims 2-6 wherein said air inlet tube of said first air bag is fixedly connected to said air inlet tube of said second air bag by a plurality of spaced apart connecting rods.
Priority Applications (1)
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CN202120150587.XU CN216257187U (en) | 2021-01-20 | 2021-01-20 | Integrated air bag expiration collecting device |
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CN202120150587.XU CN216257187U (en) | 2021-01-20 | 2021-01-20 | Integrated air bag expiration collecting device |
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CN216257187U true CN216257187U (en) | 2022-04-12 |
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CN202120150587.XU Active CN216257187U (en) | 2021-01-20 | 2021-01-20 | Integrated air bag expiration collecting device |
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