CN118078256B - Device for collecting animal exhale - Google Patents

Abstract

The invention relates to the technical field of livestock raising, in particular to a device for collecting animal exhalations, which comprises two breathing assemblies, wherein each breathing assembly comprises a main pipeline, the outer wall of one end of the main pipeline is sleeved with a nose plug piece, and the other end of the main pipeline is connected with an air outlet and an air inlet; the air inlet is provided with a first one-way valve, so that air can enter the main pipeline from the air inlet and the air in the main pipeline is prevented from being discharged from the air inlet; the second one-way valve is arranged on the air outlet, so that the air in the main pipeline can be discharged from the air outlet and the air is prevented from entering the main pipeline from the air outlet. The device for collecting animal exhalations can collect the gas exhaled by the nasal cavity of the animal in a targeted manner, effectively ensures the high purity of exhaled gas samples, can not limit the normal activities of the animal when being used, and can realize efficient collection.

Description

Device for collecting animal exhale

Technical Field

The invention relates to the technical field of livestock raising, in particular to a device for collecting animal exhalations.

Background

In animal husbandry, it is often necessary to monitor the health of animals. Conventional monitoring methods mainly include the analysis of animal health by collecting and detecting blood or excreta of the animal. At present, determining changes related to health and diseases by using breath samples of animals is not a new concept, and the health condition of animals can be further known by detecting and analyzing the components and contents of the exhaled air of the animals. The content of the target detection component in the animal's exhaled air is usually low, so that the accurate and reliable collection of the animal's exhaled air is a key to accurately and effectively knowing the health condition of the animal.

The current animal exhaling collection mode is to place an animal in a closed space, and after a certain time, air in the space is extracted to be used as a sample of animal exhaling gas for detection. The acquisition mode has the problems of long sampling period, uncleanness of samples and the like. Therefore, a more efficient and reliable collection method is urgently needed.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a low-cost portable device for collecting animal exhalations, which can realize high-purity and high-efficiency collection of animal exhalations.

The invention provides a device for collecting animal exhalations, which comprises:

The two respiratory components are respectively configured to comprise a main pipeline, the outer wall of one end of the main pipeline is sleeved with a nose plug piece, and the other end of the main pipeline is connected with an air outlet and an air inlet; the air inlet is provided with a first one-way valve, so that air can enter the main pipeline from the air inlet and the air in the main pipeline is prevented from being discharged from the air inlet; the second one-way valve is arranged on the air outlet, so that the air in the main pipeline can be discharged from the air outlet and the air is prevented from entering the main pipeline from the air outlet.

Preferably, the device comprises a mounting assembly, wherein the mounting assembly comprises two mounting seats, and the two mounting seats are connected through a deformable connecting piece so as to realize adjustable space between the two mounting seats; in each respiratory component, the second one-way valve is also connected with an air outlet pipeline, and the output end of the air outlet pipeline is fixedly connected with a corresponding mounting seat.

Preferably, in each respiratory component, the other end of the main pipeline is connected with a cross-shaped four-way joint, and the four-way joint is provided with a first interface and a second interface which are opposite to each other, and a third interface and a fourth interface which are opposite to each other; the first interface is connected with the main pipeline, the second interface is used as the air inlet, the third interface is used as the air outlet, and the fourth interface is connected with the liquid storage pipe.

Preferably, the length of the main pipe is configured to be 8-15cm.

Preferably, the first check valve and the second check valve may each be configured to include: the sleeve and the valve structure arranged in the sleeve, the valve structure comprises an annular gasket and a movable piece rotatably connected to the annular gasket, the outer edge of the annular gasket is fixedly bonded with the inner wall of the sleeve in a sealing way, and when the movable piece rotates to be bonded with the annular gasket, the movable piece can completely cover the hollow part of the annular gasket.

Preferably, the nasal prongs are configured as balloons or deformable plugs.

Preferably, the nasal obstruction is configured as an air bag which is communicated with an inflation connector through an inflation pipeline, the inflation connector is provided with a first inflation connector and a second inflation connector which are communicated, the first inflation connector is connected with the inflation pipeline, a third one-way valve is arranged on the second inflation connector, the third one-way valve allows air to enter the inflation pipeline through the second inflation connector, and air in the inflation pipeline is prevented from being discharged from the second inflation connector.

Preferably, the third one-way valve is connected with one of the interfaces of the three-way joint through a first air pipe, and the other interface of the three-way joint is also connected with a fourth one-way valve through a second air pipe; the fourth check valve allows outside air to enter the second air pipe and prevents air in the second air pipe from being discharged to the outside.

Preferably, the inflation pipeline is provided with an air pressure indicating assembly for feeding back the air pressure condition in the inflation pipeline.

Preferably, the air pressure indicating assembly is configured to comprise an inflatable hose and an elastic sleeve sleeved on the outer wall of the inflatable hose, one end of the inflatable hose is connected with an inflation pipeline, and the other end of the inflatable hose is connected with an inflation joint; the elastic sleeve is formed by connecting a plurality of arc-shaped sheets which are suitable for being attached to the inflatable hose in series through elastic wires.

Preferably, a gas flowmeter for detecting the gas flow in the gas outlet pipeline is arranged on the gas outlet pipeline.

Preferably, the animal neck protection device further comprises a fixing sleeve, wherein the fixing sleeve comprises a first sleeve suitable for being sleeved on the animal neck and a second sleeve suitable for being sleeved on the animal face; the first sleeve member is connected with the second sleeve member, and the mounting assembly is detachably connected to the second sleeve member.

Compared with the related prior art, the invention has at least the following advantages:

The device for collecting the animal exhalations can collect the gas exhaled by the nasal cavities of the animals in a targeted manner, effectively ensures the high purity of exhaled gas samples, and provides a reliable basis for subsequent gas component and content detection analysis. In addition, in the use of the device, the normal activities of animals are not limited, efficient collection can be realized, and the device has better portability.

Drawings

FIG. 1 is a schematic illustration of the structure of a respiratory assembly in one embodiment;

FIG. 2 is a cross-sectional view of the structure shown in FIG. 1;

FIG. 3 is a schematic illustration of the open and closed state of the check valve during exhalation;

FIG. 4 is a schematic view showing the open and closed states of the check valve during inhalation;

FIG. 5 is a schematic diagram of the structure of an apparatus for animal breath collection in accordance with one embodiment;

FIG. 6 is a schematic view of a respiratory assembly in another embodiment;

FIG. 7 is a cross-sectional view of the structure shown in FIG. 6;

FIG. 8 is a schematic cross-sectional view of a nasal obstruction in one embodiment;

FIG. 9 is a schematic cross-sectional view of a nasal obstruction in another embodiment;

FIG. 10 is a schematic structural view of another embodiment of an apparatus for animal breath collection;

FIG. 11 is a schematic illustration of an inflation connector connection in one embodiment;

FIG. 12 is a schematic illustration of an inflatable attachment structure in one embodiment;

FIG. 13 is a schematic cross-sectional view of an air pressure indicating assembly according to one embodiment;

FIG. 14 is a schematic view of the structure of a retaining sleeve in one embodiment;

FIG. 15 is a schematic structural view of another embodiment of a device for animal breath collection;

FIG. 16 is a schematic illustration of the connection of a device for animal breath collection to a gas collection device;

Fig. 17 is a view of a usage scenario of an apparatus for animal breath collection of an embodiment.

Reference numerals:

1-main line, 2-nasal plug, 201-balloon, 202-soft plug, 3-air inlet, 4-air outlet, 5-first check valve, 6-second check valve, 601-sleeve, 602-annular gasket, 603-active piece, 7-air outlet line, 8-mount, 9-connector, 10-conduit, 11-four-way connector, 12-reservoir, 13-plug, 14-inflation line, 15-inflation connector, 1501-first inflation connector, 1502-second inflation connector, 1503-air outlet, 16-air pressure indicating assembly, 1601-inflation hose, 1602-arcuate piece, 1603-viewing hood, 17-third check valve, 18-three-way connector, 19-fourth check valve, 20-first kit, 21-second kit, 22-velcro, 23-air collecting device.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the current collection technology for animal expired air, an animal storage box device with an air inlet channel and an air outlet channel is generally adopted to collect expired air of small animals. However, for the collection object of the large animal, there are many drawbacks in the same way, such as the need to provide a large enclosed space, long sampling time, and the susceptibility of the collected gas sample to the influence of the gas emitted from the animal excrement.

In order to solve the problems existing in the current animal expired air collection to a certain extent, especially for the expired air collection of large animals, a device for animal expired air collection is provided below in conjunction with the following specific embodiments.

Referring to fig. 1 and 2, an apparatus for breath collection of an animal according to one embodiment comprises: the two respiratory components are respectively configured to comprise a main pipeline 1, the outer wall of one end of the main pipeline 1 is sleeved with a nose plug 2, and the other end of the main pipeline 1 is connected with an air outlet 4 and an air inlet 3; the gas inlet 3 is provided with a first one-way valve 5, so that gas can enter the main pipeline 1 from the gas inlet 3 and the gas in the main pipeline 1 is prevented from being discharged from the gas inlet 3; the air outlet 4 is provided with a second one-way valve 6, so that the air in the main pipeline 1 can be discharged from the air outlet 4 and the air is prevented from entering the main pipeline 1 from the air outlet 4.

It will be appreciated that, in use of the device, one end of the outer wall of the main conduit 1 of the two respiratory components, which is sleeved with the nasal plug 2, is placed into the two nasal passages of the target animal. The shape of the nose plug piece 2 can be configured to be matched with the nose channel of the target animal, so that the nose plug piece 2 is attached to the nose channel of the target animal, on one hand, the purpose of assisting in fixing the respiratory component can be achieved, on the other hand, the fact that gas exhaled by the target animal from the nose channel of the target animal can smoothly enter the main pipeline 1 of the respiratory component can be guaranteed, the phenomenon that the exhaled gas is directly leaked from the nose channel to the outside air is avoided or reduced, and the collection efficiency of the exhaled gas is improved. The first one-way valve 5 is arranged on the air inlet 3, and the second one-way valve 6 is arranged on the air outlet 4, so that the air inhaled by the target animal and the air exhaled by the target animal are not mutually influenced. The one-way valve is not particularly limited herein, and any structure capable of functioning as one-way ventilation may be applied.

Based on the device of this embodiment, can carry out the pertinence to the gas that target animal nasal cavity exhaled and gather, obtain the gas of exhaling of higher purity, better avoided the pollution of outside inhaled air and the gas that animal oral cavity exhaled. In addition, in the collection process, the normal activities (such as feeding) of the target animals are hardly influenced, and the requirements of collecting the expired air of the target animals in different scenes can be met.

In some embodiments, the first check valve 5 and the second check valve 6 may be configured in the same structure, as shown in fig. 3 and 4, taking the second check valve 6 as an example, which includes: the sleeve 601 and the valve structure arranged in the sleeve, the valve structure comprises an annular gasket 602 and a movable piece 603 rotatably connected (e.g. hinged) on the annular gasket 602, the outer edge of the annular gasket 602 is in sealing fit with the inner wall of the sleeve 601, and when the movable piece 603 rotates to be in fit with the annular gasket 602, the movable piece 603 can completely cover the hollow part of the annular gasket 602. Referring to fig. 3, when the target animal exhales, the gas exhaled from the nasal passages is output through the gas outlet after passing through the main pipeline 1, and the first one-way valve 5 on the gas inlet is in a closed state. Similarly, when the target animal inhales, external air enters from the air inlet, passes through the main pipeline 1 and is inhaled into the nasal passages of the target animal, and at the moment, the second one-way valve 6 on the air outlet is in a closed state. The first one-way valve and the second one-way valve in the embodiment are simpler in structure, can better realize opening and closing control through the respiratory breath of animals, and have stronger applicability.

Referring to fig. 5, in some embodiments, the apparatus for collecting animal exhalations further comprises a mounting assembly, wherein the mounting assembly comprises two mounting seats 8, and the two mounting seats 8 are connected through a deformable connecting piece 9, so that the distance between the two mounting seats 8 can be adjusted; in each respiratory component, an air outlet pipeline 7 is further connected to the second one-way valve 6, and the output end of the air outlet pipeline 7 is fixedly connected with a corresponding mounting seat 8.

In this embodiment, the setting of installation component can provide fixedly for breathing the subassembly on the one hand, and on the other hand through the interval adjustment to two mount pads 8 in the installation component, can directly or indirect realization be to the interval adjustment of two main lines 1 in the breathing subassembly to the different nasal structures of adaptive matching target animal avoids the nasal plug 2 to stretch into the target animal nasal meatus after causing unnatural extrusion to the nasal meatus, in order to reduce the influence to the target animal.

Referring to fig. 5, in some embodiments, the mounting seat 8 of the mounting assembly is configured to include a mounting seat body having a first port for providing a connection to the air outlet pipe 7, and a second port in communication with the first port. The second port can provide access to other pipelines, so that the gas output by the gas outlet pipeline can be led out, for example, the second port is connected with a gas collecting container or a gas collecting bag through a conduit 10, and thus the collection of the animal expired gas is realized, and the animal expired gas is taken as a sample for animal expired gas detection.

In some embodiments, the air intake tubing and/or the main tubing in the respiratory assembly may be configured as hoses, thereby enabling the two main tubing in the respiratory assembly to be placed into the nasal cavity of the target animal at a more free angle.

Referring to fig. 6 and 7, in some embodiments, the other end of the main conduit 1 in each respiratory assembly is connected to a cross-shaped four-way joint 11, and the four-way joint 11 has a first interface and a second interface opposite to each other, and a third interface and a fourth interface opposite to each other; the first interface is connected with the main pipeline 1, the second interface is used as the air inlet 3, the third interface is used as the air outlet 4, the fourth interface is connected with a liquid storage pipe 12 with one closed end, and one end, far away from the fourth interface, of the liquid storage pipe can be closed through a plug 13. In the installed and used state, the air outlet pipeline 7 connected to the second one-way valve 6 at the air outlet is connected above the main pipeline 1 and extends towards the head direction of the target animal, and the liquid storage pipe 12 faces to the lower side of the main pipeline 1. It should be noted that animals sometimes breathe out liquid secretions with the gas during exhalation. Based on the device of this embodiment, the liquid secretion that exhales along with the gas will flow into stock solution pipe 12 along the inner wall of main line 1, can collect liquid secretion through stock solution pipe 12, the better condition that liquid secretion caused the switching to the check valve on gas outlet line and/or the intake pipe to probably appear has avoided the smooth and easy nature of ventilation in the pipeline to further ensured.

Based on the findings of the present inventors, in the specific arrangement of the respiratory assembly, when the length of the main tube 1 is too long or the channel from the air outlet to the end of the main tube sleeved with the nasal plug is too long, the target animal easily remains more external inhaled air in the main tube 1 after inhaling, and the target animal can discharge the remaining external air into the air outlet tube 7 along with the exhaled air during exhaling, so that the purity of the exhaled air sample collected from the air outlet tube can be reduced to some extent. Thus, in some embodiments, the length of the main conduit is configured to be 8-15cm, or the length of the passageway from the air outlet to the end of the main conduit that is sleeved with the nasal obstruction is configured to be within this range. The setting scheme is particularly suitable for the expiration collection when taking the cattle as a collection object, and is beneficial to improving the purity of an expiration gas collection sample.

In some embodiments, the nasal prongs are configured as a balloon or deformable cork. Fig. 8 shows a cross-sectional structure of the nasal plug 2 when it is configured as an air bag 201, and fig. 9 shows a cross-sectional structure of the nasal plug when it is configured as a soft plug 202. In order to enable the nasal obstruction to better fit the nasal passages of the target animal, the nasal obstruction may be configured to conform to the nasal passages of the target animal, e.g., when the target animal is a cow, the nasal obstruction may be configured to have an oval shape. The nasal obstruction piece is arranged in the form of an air bag or a deformable soft plug, so that the nasal obstruction piece can be better adapted to the nasal cavity structure of the special-shaped animal, and the uncomfortable feeling of the nasal obstruction piece on the nasal cavity of the target animal is reduced. It can be understood that the nasal obstruction piece is of a hollow structure and can be configured that the nasal obstruction piece is integrally sleeved on the outer wall of the main pipeline; or one end of the nose plug piece is sleeved and fixed with the end part of the main pipeline.

Referring to fig. 10 and 11, in some embodiments, the nasal obstruction 2 is configured to include an air bladder in communication with an inflation adapter 15 via an inflation line 14, the inflation adapter 15 having a first inflation port 1501 in communication with the inflation line 14 and a second inflation port 1502, the first inflation port 1501 being coupled to the inflation line 14, the second inflation port 1502 having a third one-way valve mounted thereon that allows air to enter the inflation line 14 via the second inflation port 1502 and prevents air in the inflation line 14 from exiting the second inflation port 1502.

It can be understood that in this embodiment, one end of the third check valve is connected to the second inflation interface, and the other end of the third check valve can be used to connect to an external inflation device, such as an electric inflator or an inflator, so that air is sequentially input into the airbag after passing through the second inflation interface, the first inflation interface and the inflation pipeline, and inflation operation of the airbag is achieved.

Referring to fig. 12, in some embodiments, the third check valve 17 is connected to one of the interfaces of the three-way joint 18 through a first air pipe, and the other interface of the three-way joint 18 is further connected to a fourth check valve 19 through a second air pipe; the fourth check valve 19 allows outside air into the second air pipe and prevents the air in the second air pipe from being discharged to the outside.

It will be appreciated that in this embodiment, two of the three-way connection 18 are connected to the third check valve 17 and the fourth check valve 19 via air pipes, respectively, and the third connection of the three-way connection 18 is used to connect to an external inflation device. In the practical research of the inventor, the electric inflator pump can realize the inflation of the air bag, but the vibration and noise generated by the electric inflator pump in the inflation process can cause a certain degree of panic to a target animal. However, according to the solution of the present embodiment, the requirements for the inflation device are greatly reduced, i.e. no inflator or special pump is required. For example, inflation may be accomplished using a syringe configuration having a hollow barrel and a barrel with a plunger; specifically, when the cylinder column with the piston is pushed to extrude air in the cylinder body, the air sequentially passes through the first air pipe, the air charging connector and the air charging pipeline and then enters the air bag, and at the moment, the fourth one-way valve is in a closed state; when the cylinder with the piston is pulled, external air is sucked in through the second air pipe and then enters the cylinder body of the syringe, and at the moment, the third one-way valve is in a closed state.

In some embodiments, the inflation line is provided with an air pressure indicating assembly for feeding back the air pressure condition in the inflation line. The air pressure indicating assembly may be configured as an air pressure sensor or as a visualization assembly capable of assuming different states based on air pressure changes.

It should be noted that, the nasal cavity tissue of the animal is generally soft and sensitive, so in the above embodiment, the air pressure in the air bag should be controlled within a suitable range, so that the extrusion force of the air bag to the nasal cavity of the target animal can ensure the fitting and sealing of the air bag and the nasal meatus, and meanwhile, the uncomfortable reaction of the animal caused by excessive extrusion to the nasal meatus is avoided. In practice, multiple comparison tests may be performed to determine the appropriate bladder air pressure. Because the air charging pipeline is communicated with the air bag, the air pressure condition of the air bag can be fed back through the air pressure indicating assembly. When the air pressure indicating assembly indicates that the determined proper air pressure of the air bag is reached, the air bag can be stopped from being inflated.

Referring to fig. 11 and 13, in some embodiments, the air pressure indicating assembly is configured to include an inflatable tube 1601 and an elastic sleeve sleeved on an outer wall of the inflatable tube, one end of the inflatable tube 1601 is connected to the inflation pipeline 14, and the other end of the inflatable tube 1601 is connected to the first inflation port 1501 of the inflation connector; the elastic sleeve is configured to be formed by connecting a plurality of arc-shaped pieces 1602, which are suitable for being attached to the outer wall of the inflatable tube 1601, in series by elastic wires. Specifically, when the air bag is inflated through the inflation line 14, the inflation hose 1601 begins to expand radially as the air pressure in the inflation line 14 increases, so that a gap or a gap gradually increases between the inflation hose and each of the arcuate pieces 1602, and thus, the air pressure condition in the inflation line can be known by observing the change of the gap. Furthermore, in order to more intuitively and accurately observe the air pressure condition in the air charging pipeline, scale marks can be further arranged, and the degree of gap change between the arc-shaped sheets is measured through the scale marks. Optionally, a transparent viewing cover 1603 may be further disposed, where the viewing cover 1603 is sleeved outside the elastic sleeve and is not in contact with the elastic sleeve.

Compared with the mode of adopting the air pressure sensor as the air pressure indicating component, the setting mode of the air pressure indicating component is more beneficial to reducing the cost on one hand and is more suitable for the actual scene of smaller air bag air pressure requirement on the other hand.

Referring to fig. 11, in some embodiments, the inflation connector is further provided with an openable and closable exhaust port 1503. When the air pressure in the air charging pipeline is overlarge, the air outlet can be opened, and the air in the air charging pipeline is discharged from the air outlet, so that the air pressure in the air charging pipeline is reduced.

In some embodiments, a gas flow meter for detecting the flow of gas in the gas outlet pipeline is mounted on the gas outlet pipeline. It can be understood that during the respiration process of the target animal, the gas exhaled from the nasal cavity of the target animal will be output through the air outlet pipeline, and the gas flowmeter provided in this embodiment can detect the flow of the exhaled gas through the air outlet pipeline, so that the sealing condition of the nasal plug can be indirectly detected. Specifically, when the gas flow rate through the gas outlet pipeline is detected to be smaller by the gas flowmeter, it may mean that a part of gas exhaled from the nasal cavity of the target animal does not enter the main pipeline, but directly leaks to the outside from the nasal cavity, at this time, the nasal obstruction can be adjusted, so that the nasal obstruction is tightly attached to the nasal passage of the target animal, and the gas exhaled from the nasal cavity of the target animal can enter the main pipeline as completely as possible.

In some embodiments, the device for animal breath detection further comprises a stationary sleeve, see fig. 14, comprising a first sleeve 20 adapted to be placed over the animal's neck, and a second sleeve 21 adapted to be placed over the animal's face; the first sleeve 20 is connected to the second sleeve 21 and the mounting assembly is detachably connected to the second sleeve 21. It will be appreciated that in practice, it is often necessary to ensure a certain acquisition time in order to obtain a sufficient exhaled breath detection sample. Taking cattle as the target for animal collection, continuous and uninterrupted breath collection is ensured for at least 10 minutes. In view of this, based on the fixed sleeve in this embodiment, the whole device can be fixed on the target animal body in a wearing manner, so that the device is not only prevented from being held for a long time, but also the freedom of the target animal is not limited in the exhalation collection process, and the fixed sleeve can be better suitable for the cattle with lower compliance. Further, the first and second kits may be configured as a ferrule size adjustable cuff; as shown in fig. 15, the mount 8 of the mounting assembly may be adhesively secured to the second sleeve 21 by a velcro tape 22.

As shown in fig. 16, the device for collecting animal exhalations according to the embodiment of the invention may be connected to the gas collecting device 23, specifically, the gas collecting device 23 may be composed of a plurality of gas collecting bags, and may be connected to the gas inlet port of the gas collecting device 23 through the conduit 10 connected to the second port of the mounting seat, so as to collect the exhalations of the target animal.

In fig. 17, a usage scenario diagram of a device for animal breath collection according to an embodiment of the present invention is shown with a cow as a target animal, the device having a portable characteristic and being wearable on the target animal, and the normal activities of the target animal being hardly affected during the breath collection.

In the description of the embodiments of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In describing embodiments of the present invention, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be either fixedly coupled, detachably coupled, or integrally coupled, for example, unless otherwise indicated and clearly defined; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the description of embodiments of the invention, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.

In describing embodiments of the present invention, it will be understood that the term "ranges is intended to be inclusive of the recited range of values. For example, "A-B" means a range greater than or equal to A and less than or equal to B.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A device for breath collection of an animal, characterized by:

the device comprises two breathing assemblies, wherein each breathing assembly comprises a main pipeline, the outer wall of one end of the main pipeline is sleeved with a nose plug piece, and the other end of the main pipeline is connected with an air outlet and an air inlet;

The air inlet is provided with a first one-way valve, so that air can enter the main pipeline from the air inlet and the air in the main pipeline is prevented from being discharged from the air inlet;

The air outlet is provided with a second one-way valve, so that the air in the main pipeline can be discharged from the air outlet and the air is prevented from entering the main pipeline from the air outlet;

The nose plug is configured as an air bag, the air bag is communicated with an inflation joint through an inflation pipeline, the inflation joint is provided with a first inflation interface and a second inflation interface which are communicated, the first inflation interface is connected with the inflation pipeline, a third one-way valve is arranged on the second inflation interface, the third one-way valve allows air to enter the inflation pipeline through the second inflation interface, and prevents the air in the inflation pipeline from being discharged from the second inflation interface;

The air pressure indicating assembly is used for feeding back the air pressure condition in the air charging pipeline and is configured to comprise an air inflation hose and an elastic sleeve sleeved on the outer wall of the air inflation hose, one end of the air inflation hose is connected with the air charging pipeline, and the other end of the air inflation hose is connected with an air charging connector; the elastic sleeve is formed by connecting a plurality of arc-shaped sheets which are suitable for being attached to the inflatable hose in series through elastic wires.

2. The device for animal breath collection of claim 1, wherein: the mounting assembly comprises two mounting seats, and the two mounting seats are connected through a deformable connecting piece so as to realize adjustable space between the two mounting seats;

In each respiratory component, the second one-way valve is also connected with an air outlet pipeline, and the output end of the air outlet pipeline is fixedly connected with a corresponding mounting seat.

3. The device for animal breath collection according to claim 1 or 2, wherein: in each respiratory component, the other end of the main pipeline is connected with a cross-shaped four-way joint, and the four-way joint is provided with a first interface and a second interface which are opposite to each other, and a third interface and a fourth interface which are opposite to each other; the first interface is connected with the main pipeline, the second interface is used as the air inlet, the third interface is used as the air outlet, and the fourth interface is connected with the liquid storage pipe.

4. The device for animal breath collection according to claim 1 or 2, wherein: the nasal prongs are configured as balloons or deformable soft plugs.

5. The device for animal breath collection of claim 1, wherein: the third one-way valve is connected with one of the interfaces of the three-way joint through a first air pipe, and the other interface of the three-way joint is also connected with a fourth one-way valve through a second air pipe; the fourth check valve allows outside air to enter the second air pipe and prevents air in the second air pipe from being discharged to the outside.

6. The device for animal breath collection of claim 2, wherein: and a gas flowmeter for detecting the gas flow in the gas outlet pipeline is arranged.

7. The device for animal breath collection of claim 2, wherein: the animal neck fixing device comprises an animal neck fixing sleeve, a fixing sleeve and a fixing sleeve, wherein the fixing sleeve comprises a first sleeve part suitable for being sleeved on the animal neck and a second sleeve part suitable for being sleeved on the animal face; the first sleeve member is connected with the second sleeve member, and the mounting assembly is detachably connected to the second sleeve member.