CN222605155U

CN222605155U - Small animal breathing machine

Info

Publication number: CN222605155U
Application number: CN202421014952.4U
Authority: CN
Inventors: 魏家伟; 赵钟源; 刘湛和; 陈昱衡
Original assignee: Luzi Technology Chongqing Co ltd
Current assignee: Luzi Technology Chongqing Co ltd
Priority date: 2024-05-11
Filing date: 2024-05-11
Publication date: 2025-03-14
Anticipated expiration: 2034-05-11

Abstract

The utility model discloses a small animal ventilator, which belongs to the field of animal medicine technology, including a ventilator body, an outlet connecting pipe of the ventilator body is connected to a main outlet pipe, and an inhalation connecting pipe is connected to a main inhalation pipe; a breathing regulating device is connected between the main outlet pipe and the main inhalation pipe; the breathing regulating device includes an air cavity component, and the two ends of the air cavity component are respectively connected to a branch air inlet pipe and a branch air outlet pipe; a first electric control valve is arranged on the branch air inlet pipe; a second electric control valve is arranged on the branch air outlet pipe; one side of the air cavity component is connected to a breathing tube; the breathing tube is connected to a breathing mask; a partition is arranged in the breathing tube to separate it into a first cavity and a second cavity; the tail end of the partition extends into the air cavity component to separate it into two cavities; a sealing plate is arranged at the front end of the partition; a one-way valve is arranged on the sealing plate to connect the first cavity and the second cavity respectively. The utility model can realize simultaneous ventilation and pressure regulation of multiple animals, and can reduce the accuracy of the test affected by excessive mixing of exhalation and inhalation.

Description

Small animal breathing machine

Technical Field

The utility model belongs to the technical field of animal medicine, and particularly relates to a small animal breathing machine.

Background

The animal breathing machine is commonly used experimental equipment and is widely used for artificial respiration, respiratory management, first aid of animals, respiratory treatment and the like in scientific research experiments of basic medicine, clinical medicine, animal medicine and the like. The device is accurate in control, convenient and practical, does not need a high-pressure air source, and is accurate in tidal volume output and stable in performance. Currently, small animal ventilators mainly employ a volume control mode to ventilate, which ensures tidal volume, i.e., the amount of gas that is taken in and out per breath. This is important to ensure that the small animals get a stable ventilation during the experiment. The existing small animal breathing machine generally has the function of adjusting tidal volume, respiratory frequency and respiratory ratio so as to adapt to the requirements of small animals of different sizes and types.

However, the prior art suffers from several major drawbacks:

1. High ventilation pressure-induced pressure injury-while ensuring tidal volume, capacity control modes may produce higher ventilation pressures, which may result in pressure injury to the lungs of small animals.

2. Single small animal ventilation limitations most existing ventilators provide ventilation for only one small animal at a time, which limits the efficiency of the experiment, especially when multiple small animals need to be tested simultaneously.

3. Breath and inspiration mixing-in existing ventilators, breath and inspiration may be excessively mixed in the tubing, which may lead to inaccuracy in the detected data, affecting the reliability of the experimental results.

Disclosure of utility model

In view of the above problems, the present utility model provides a small animal ventilator for solving the problems in the background art, capable of realizing simultaneous ventilation and pressure regulation of multiple animals, and reducing experimental accuracy affected by excessive mixing of exhalation and inhalation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A small animal breathing machine comprises a breathing machine main body, an air outlet connecting pipe of the breathing machine main body is connected with a main air outlet pipe, an air suction connecting pipe is connected with a main air suction pipe, a breathing adjusting device is connected between the main air outlet pipe and the main air suction pipe, the breathing adjusting device comprises an air cavity component, two ends of the air cavity component are respectively connected with a branch air inlet pipe and a branch air outlet pipe, a first electric control valve is arranged on the branch air inlet pipe, a second electric control valve is arranged on the branch air outlet pipe, one side of the air cavity component is communicated with a breathing pipe, the breathing pipe is connected with a breathing mask, a partition plate is arranged in the breathing pipe along the axial direction in the middle to divide an inner cavity of the breathing pipe into a first cavity and a second cavity, the tail end of the partition plate extends into the air cavity component and divides the air cavity component into two cavities, a sealing plate is arranged at the front end of the partition plate, a first one-way valve and a second one-way valve are respectively arranged on the sealing plate, and the first one-way valve and the second one-way valve are respectively communicated with the first cavity and the second cavity.

As a further improvement of the scheme, the breathing adjusting devices are provided with a plurality of branch air inlet pipes and a main air outlet pipe of each breathing adjusting device, and the branch air outlet pipes are connected with the main air suction pipes.

As a further improvement of the scheme, the air cavity component is provided with a pressure gauge, and the pressure gauge is positioned at one end of the air cavity component, which is connected with the branch air inlet pipe.

As a further improvement of the scheme, the breathing tube also comprises a box body for accommodating small animals, wherein each box body corresponds to one breathing adjusting device, and the breathing tube extends into the box body.

As a further improvement of the above scheme, the first check valve and the second check valve are medical plastic check valves.

Compared with the prior art, the utility model has the beneficial effects that:

1. And a plurality of animals are ventilated simultaneously, and the breathing machine can provide ventilation for a plurality of small animals simultaneously by arranging a plurality of breathing adjusting devices, so that the experimental efficiency is remarkably improved.

2. Pressure regulation, namely, the air inlet amount and the air outlet amount can be regulated according to the requirements of different small animals by arranging the pressure gauge and the electric control valve on the air cavity component, so that the pressure injury caused by high ventilation pressure is avoided.

3. The breathing tube partition board design is adopted in the breathing machine, the inner cavity of the breathing tube is divided into two cavities, and the two cavities are matched with the one-way valve, so that the gas of breathing out and breathing in is effectively separated, the sufficient oxygen is obtained when a small animal breathes, and meanwhile, the excessive mixing of the breathing out and the breathing in is avoided.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of a respiratory adjustment device.

Fig. 3 is a schematic view of the mounting structure of the case and the breathing tube.

Fig. 4 is a schematic view of the mounting structure of the one-way valve in the breathing tube.

In the figure, 1, a respirator main body; 2, an air outlet connecting pipe, 3, a total air outlet pipe, 4, a respiration adjusting device, 5, a breathing mask, 6, a total air suction pipe, 7, an air suction connecting pipe, 9, a pressure gauge, 10, a sealing plate, 11, a box body, 41, a branch air inlet pipe, 42, a first electric control valve, 43, an air cavity component, 44, a breathing pipe, 45, a first one-way valve, 46, a second one-way valve, 47, a partition plate, 48, a branch air outlet pipe and 49, and a second electric control valve.

Detailed Description

The following detailed description of the utility model, in conjunction with the examples, is intended to be merely exemplary and explanatory and should not be construed as limiting the scope of the utility model in any way, as described in detail below, in order to provide a better understanding of the utility model as embodied in the present utility model.

Example 1:

As shown in fig. 1-4, the specific scheme of the embodiment is that the small animal breathing machine comprises a breathing machine main body 1, an air outlet connecting pipe 2 of the breathing machine main body 1 is connected with a main air outlet pipe 3, an air suction connecting pipe 7 is connected with a main air suction pipe 6, a breathing adjusting device 4 is connected between the main air outlet pipe 3 and the main air suction pipe 6, the breathing adjusting device 4 comprises an air cavity component 43, two ends of the air cavity component 43 are respectively connected with a branch air inlet pipe 41 and a branch air outlet pipe 48, a first electric control valve 42 is arranged on the branch air inlet pipe 41, a second electric control valve 49 is arranged on the branch air outlet pipe 48, one side of the air cavity component 43 is communicated with a breathing pipe 44, the breathing pipe 44 is connected with a breathing mask 5, a partition plate 47 is arranged in the breathing pipe 44 along the axial center, the inner cavity of the breathing pipe 44 is divided into a first cavity and a second cavity, the tail end of the partition plate 47 extends into the air cavity component 43, the air cavity component 43 is divided into two cavities, a sealing plate 10 is arranged at the front end of the partition plate 47, a first one-way valve 45 and a second one-way valve 46 is respectively arranged on the sealing plate 10, and a first one-way valve 45 and a second one-way valve 46 is respectively communicated with the first cavity and the second cavity. The first check valve 45 and the second check valve 46 are medical plastic check valves.

Specifically, the respiration adjusting device 4 is provided in plurality, the branch air inlet pipe 41 of each respiration adjusting device 4 is connected with the main air outlet pipe 3, and the branch air outlet pipe 48 is connected with the main air suction pipe 6.

The air cavity part 43 is provided with a pressure gauge 9, and the pressure gauge 9 is positioned at one end of the air cavity part 43 connected with the branched air inlet pipe 41.

As shown in fig. 3, as a preferred mode of the above embodiment, the breathing apparatus further comprises a case 11 for housing small animals, each case 11 corresponds to one breathing adjustment device 4, and a breathing tube 44 extends into the case 11.

Example 2:

1. The respirator main body 1 is made of light alloy material, reduces the weight of the whole respirator, and is convenient to move and operate.

2. The air outlet connecting pipe 2 and the air suction connecting pipe 7 are made of medical silica gel materials so as to ensure the safety and the sanitation in the air transmission process.

3. The breathing adjustment device 4 comprises an air chamber part 43 with a capacity of 500 ml, and a branch air inlet pipe 41 and a branch air outlet pipe 48 with a length of 30 cm are respectively connected to two ends.

4. The first electrically controlled valve 42 and the second electrically controlled valve 49 are miniature solenoid valves, which can precisely control the air flow.

5. The breathing tube 44 is 1 meter long and 2cm inside diameter, the diaphragm 47 is made of medical plastic material, and the tail end extends into the air cavity member 43 for 10 cm.

6. The breathing mask 5 is made of transparent silica gel material and is suitable for rats and mice.

7. The first check valve 45 and the second check valve 46 in the breathing tube 44 are small plastic check valves, ensuring unidirectional flow of the air flow.

Example 3:

1. The respirator body 1 is made of stainless steel, so that the durability and stability of the device are improved.

2. The total air outlet pipe 3 and the total air suction pipe 6 adopt medical grade PVC pipes with the diameter of 5 cm so as to adapt to the transmission of larger flow of gas.

3. The volume of the air chamber part 43 of the breathing adjustment device 4 is increased to 1000 ml to accommodate the breathing requirements of large animals.

4. The length of the branch air inlet pipe 41 and the branch air outlet pipe 48 is increased to 50 cm to provide a more flexible connection.

5. The breathing tube 44 has a double-layer structure, the outer layer is a protective layer, the inner layer is a gas guide layer, and the extension length of the partition plate 47 is increased to 15 cm.

6. The breathing mask 5 is added with an adjusting belt, and can be adjusted according to the head sizes of different animals.

7. The one-way valve in the breathing tube 44 is upgraded to a medical grade metal one-way valve, improving the accuracy and reliability of the airflow control.

Example 4:

1. the ventilator body 1 integrates an intelligent control system, and can be operated through a touch screen.

2. Sensors are arranged in the main air outlet pipe 3 and the main air suction pipe 6, and the air flow speed and the air flow pressure are monitored in real time.

3. The air chamber part 43 of the breathing adjustment device 4 integrates temperature and humidity sensors to adjust the comfort of the gas.

4. The branch air inlet pipe 41 and the branch air outlet pipe 48 are of telescopic design, and the length is adjusted according to the use requirement.

5. The breathing tube 44 incorporates a heater to prevent cooling of the gas during delivery.

6. The breathing mask 5 is made of a deformable memory material, and can automatically adjust the fitting degree according to the shape of the animal face.

7. The one-way valve in the breathing tube 44 is electronically controlled and can be automatically adjusted to switch according to breathing rhythm.

The utility model has the specific application mode:

The respirator body 1 has the functions of adjusting tidal volume, respiratory rate and respiratory rate, can be used for breathing by a plurality of small animals, can adjust the opening of the first electric control valve 42 to adjust the pressure in the air cavity part 43, namely the air supply speed according to different small animal requirements, can adjust the air suction speed through adjusting the second electric control valve 49 so as to adapt to the requirements of different small animals, and the pressure gauge 9 measures the pressure of the air supply end in the air cavity part 43, feeds back to a control circuit and controls the opening of the first electric control valve 42 and the second electric control valve 49 according to preset parameters through the control circuit. When no small animal is used in one of the cases 11, the first electric control valve 42 and the second electric control valve 49 can be closed, and the air supply generated by the respirator main body 1 can pass through the first one-way valve 45 to enter the breathing mask 5, and the air exhaled by the small animal can pass through the second one-way valve 46 to enter the branch air outlet pipe 48, so that the mixture degree of exhalation and inhalation is lower, and the accuracy of breathing control is improved.

The respiration adjusting device 4 is configured for the respiration of each small animal in the utility model, and the air inlet speed and the air outlet speed can be independently controlled, so that the respiration amount and the respiration speed can be controlled according to the conditions of different small animals.

It should be noted that, in this document, the terms include, comprise, or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The principles and embodiments of the present utility model are described herein by applying specific examples, and the above examples are only used to help understand the method and core idea of the present utility model. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that, due to the limited text expression, there is no objectively and limitless specific structure, and it will be apparent to those skilled in the art that several modifications, adaptations or variations can be made and the above technical features can be combined in a suitable manner without departing from the principles of the present utility model, and such modifications, adaptations or variations or combinations, or without improving the application of the inventive concept and technical solution in other applications, are intended to be regarded as the scope of the utility model.

Claims

1. A small animal breathing machine comprises a breathing machine main body (1), and is characterized in that an air outlet connecting pipe (2) of the breathing machine main body (1) is connected with a main air outlet pipe (3), an air suction connecting pipe (7) is connected with a main air suction pipe (6), a breathing adjusting device (4) is connected between the main air outlet pipe (3) and the main air suction pipe (6), the breathing adjusting device (4) comprises an air cavity component (43), two ends of the air cavity component (43) are respectively connected with a branch air inlet pipe (41) and a branch air outlet pipe (48), a first electric control valve (42) is arranged on the branch air inlet pipe (41), a second electric control valve (49) is arranged on the branch air outlet pipe (48), one side of the air cavity component (43) is communicated with a breathing pipe (44), the breathing pipe (44) is connected with a breathing mask (5), a partition plate (47) is arranged in the middle of the breathing pipe (44) along the axial direction to divide an inner cavity of the breathing pipe (44) into a first cavity and a second cavity, the tail end of the partition plate (47) extends into the air cavity component (43), the air cavity component (43) is divided into two cavities, the front end of the partition plate (47) is provided with a sealing plate (10), the sealing plate (10) is respectively provided with a first one-way valve (45) and a second one-way valve (46), and the first one-way valve (45) and the second one-way valve (46) are respectively communicated with the first cavity and the second cavity.

2. A small animal breathing machine according to claim 1, characterized in that the breathing adjustment means (4) are provided in a plurality, the branch air inlet pipe (41) of each breathing adjustment means (4) being connected to the main air outlet pipe (3), the branch air outlet pipe (48) being connected to the main air suction pipe (6).

3. The small animal breathing machine according to claim 1, wherein the air cavity component (43) is provided with a pressure gauge (9), and the pressure gauge (9) is located at one end of the air cavity component (43) connected with the branch air inlet pipe (41).

4. A small animal breathing machine according to claim 1, characterized in that it further comprises a housing (11) for housing small animals, each housing (11) being associated with a breathing adjustment device (4), the breathing tube (44) extending into the housing (11).

5. A small animal ventilator according to claim 1, characterized in that the first (45) and second (46) non-return valves are medical plastic non-return valves.