CN221229770U

CN221229770U - Breathing machine system and breathing machine

Info

Publication number: CN221229770U
Application number: CN202322632565.9U
Authority: CN
Inventors: 荣龙耀; 张敏; 张俊帆
Original assignee: Ambulanc Shenzhen Tech Co Ltd
Current assignee: Ambulanc Shenzhen Tech Co Ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-06-28
Anticipated expiration: 2033-09-26

Abstract

The application relates to a breathing machine system and a breathing machine, wherein the breathing machine system comprises an oxygen making gas circuit and a sputum discharging gas circuit, a first three-way valve, a second three-way valve and an oxygen making module are sequentially arranged on the oxygen making gas circuit, the oxygen making module is communicated with a first end of the second three-way valve, a second end of the second three-way valve is communicated with the external environment, a third end of the second three-way valve is communicated with the first end of the first three-way valve, and a second end of the first three-way valve is communicated with an inlet of the oxygen making gas circuit; one end of the sputum excretion gas path is communicated with the third end of the first three-way valve, and the other end of the sputum excretion gas path is a sputum aspiration port; the ventilator system has an oxygen producing mode and a sputum excretion mode. The breathing machine system has two functions of oxygen production and sputum excretion, and only one breathing machine applying the breathing machine system can meet the oxygen inhalation and sputum excretion requirements of patients, and the breathing machine system does not need to operate two breathing machines with different functions at the same time like the traditional scheme, and greatly reduces the cost.

Description

Breathing machine system and breathing machine

Technical Field

The application relates to the technical field of medical equipment, in particular to a breathing machine system and a breathing machine.

Background

In modern clinical medicine, a respirator is used as an effective means capable of replacing autonomous ventilation by manpower, is widely used for respiratory failure caused by various reasons, anesthesia respiratory management during major surgery, respiratory support treatment and emergency resuscitation, and occupies a very important position in the field of modern medicine.

However, some of the conventional respirators only have the function of sucking phlegm, and other of the conventional respirators only have the function of producing oxygen, so that if the requirements of oxygen sucking and discharging phlegm of patients are met, the two respirators are required to be purchased and used at the same time, and the cost is high and the use is inconvenient.

The above information disclosed in the background of the application is only for the understanding of the background of the application and may contain information that does not form the prior art.

Disclosure of utility model

In view of the above, it is necessary to provide a ventilator system and a ventilator.

A ventilator system, comprising:

The device comprises an oxygen production path, wherein a first three-way valve, a second three-way valve and an oxygen production module are sequentially arranged on the oxygen production path, the oxygen production module is communicated with the first end of the second three-way valve, the second end of the second three-way valve is communicated with the external environment, the third end of the second three-way valve is communicated with the first end of the first three-way valve, and the second end of the first three-way valve is communicated with an inlet of the oxygen production path; and

One end of the sputum discharging air channel is communicated with the third end of the first three-way valve, and the other end of the sputum discharging air channel is provided with a sputum sucking port;

wherein, the breathing machine system is provided with an oxygen making mode and a sputum discharging mode;

In the sputum excretion mode, the second end of the first three-way valve is closed, the first end and the third end of the first three-way valve are opened, the first end of the second three-way valve is closed, the second end and the third end of the second three-way valve are opened, and the sputum suction port is used for sucking sputum;

When in the oxygen generation mode, the third end of the first three-way valve is closed, the first end and the second end of the first three-way valve are opened, the second end of the second three-way valve is closed, the first end and the third end of the second three-way valve are opened, and the oxygen generation module is used for oxygen generation.

The respirator system at least comprises the following beneficial effects: in the sputum discharging mode, the sputum sucking port of the sputum discharging air circuit can suck sundries such as sputum. When in an oxygen making mode, the inlet of the oxygen making pipeline can convey air to the oxygen making module through the first three-way valve and the second three-way valve and start oxygen making work so as to provide gas with higher oxygen content for a patient to suck, in the process, the second end of the second three-way valve communicated with the external environment is closed, the gas can be prevented from being discharged from the second end of the second three-way valve, the third end of the first three-way valve is closed, and sundries such as sputum and the like in the sputum discharging pipeline communicated with the third end of the first three-way valve can be prevented from being mixed. In other words, the breathing machine system has two functions of oxygen production and sputum excretion, and only one breathing machine applying the breathing machine system can meet the oxygen inhalation and sputum excretion requirements of patients, and the traditional scheme is not required to operate two breathing machines with different functions at the same time, so that the cost and the use threshold of the patients are greatly reduced.

In one embodiment, the ventilator system further comprises a compressor, the compressor is disposed between the first three-way valve and the second three-way valve, a first end of the first three-way valve is communicated with an air inlet of the compressor, and an air outlet of the compressor is communicated with a third end of the second three-way valve. In the oxygen producing mode, the compressor may allow the oxygen producing gas line to generate suction to draw air from; in the sputum discharging mode, the compressor can enable the sputum suction port of the sputum discharging air circuit to generate suction force so as to suck sundries such as sputum.

In one embodiment, the oxygen production path is further provided with a third three-way valve and an oxygen storage tank, the oxygen storage tank is communicated with the first end of the third three-way valve, and the second end and the third end of the third three-way valve are both oxygen outlets. The oxygen generation module can manufacture oxygen and store the oxygen in the oxygen storage tank, even if a patient does not suck the oxygen at present, the oxygen generation module still can keep the oxygen generation work, and the oxygen storage tank can realize temporary storage of the oxygen so as to meet the oxygen inhalation requirement of the patient at any time. When the patient needs to inhale oxygen, the oxygen storage tank can provide oxygen for the patient through the tee bend valve No. three, in time satisfies patient's respiratory demand, ensures patient's life safety. The second end and the third end of the third three-way valve can supply oxygen, so that the switching of the gas flow direction is realized, and the oxygen can be supplied to a user and a machine end. For example, the second end of the third three-way valve is used for supplying oxygen to the patient, and the third end of the third three-way valve is used for supplying oxygen to the machine end; for another example, the second end of the third three-way valve is used for supplying oxygen to the machine end, and the third end of the third three-way valve is used for supplying oxygen to the patient.

In one embodiment, the oxygen generating module comprises an oxygen generating three-way valve, a molecular sieve tower and an oxygen generating two-way valve, wherein the oxygen generating three-way valve, the molecular sieve tower and the oxygen generating two-way valve are sequentially connected, the oxygen generating two-way valve is communicated with the oxygen storage tank, a first end of the oxygen generating three-way valve is communicated with the molecular sieve tower, a second end of the oxygen generating three-way valve is communicated with a first end of the second three-way valve, and a third end of the oxygen generating three-way valve is communicated with the external environment.

In one embodiment, a plurality of oxygen generating modules are arranged, and a plurality of oxygen generating modules are arranged in parallel. The oxygen generating modules can work alternately, for example, when one part of the oxygen generating modules discharge nitrogen, the other part of the oxygen generating modules can continue to generate oxygen, the oxygen generating work is not interrupted, the supply of oxygen is ensured, and the breathing requirement of a patient is ensured.

In one embodiment, the oxygen generating module further comprises an oxygen generating one-way valve, the oxygen generating one-way valve is arranged between the oxygen generating two-way valve and the oxygen storage tank, one end of the oxygen generating two-way valve is communicated with the molecular sieve tower, and the other end of the oxygen generating two-way valve is communicated with the oxygen storage tank through the oxygen generating one-way valve. The one-way valve can prevent the gas from flowing back.

In one embodiment, the oxygen producing path is further provided with a proportional valve and a pressure regulating valve, the pressure regulating valve is arranged between the oxygen storage tank and the proportional valve, and the pressure regulating valve is communicated with the first end of the third three-way valve through the proportional valve. The pressure regulating valve can regulate the air pressure of the air supplied by the oxygen producing pipeline, and can reduce the pressure and regulate the air pressure when the air pressure is too high, so that the suction experience and the safety of a patient are ensured.

In one embodiment, the oxygen producing gas path is further provided with an oxygen concentration flow sensor, and the oxygen concentration flow sensor is used for detecting the oxygen concentration and flow and feeding back to the respirator system.

In one embodiment, the oxygen producing gas path is further provided with a filter, the filter is arranged between the proportional valve and the first end of the third three-way valve, and the proportional valve is communicated with the first end of the third three-way valve through the filter. The outlet of the proportional valve is often smaller, the airflow from the proportional valve is relatively turbulent, if the airflow is not subjected to steady flow treatment, the flow of the rapid flow of the airflow can be unstable when the rapid flow of the airflow passes through the flow sensor, and in the embodiment, the airflow from the proportional valve passes through the filter, and the filter not only can carry out secondary filtration on the airflow, but also can play a role in stabilizing the airflow.

In one embodiment, the sputum excretion gas path is provided with a first filter screen and a sputum aspiration cup, the sputum aspiration cup is communicated with an inlet of the sputum excretion gas path, and the sputum aspiration cup is communicated with a third end of the second three-way valve through the first filter screen.

In one embodiment, the sputum excretion gas path is provided with a first pressure sensor, and the first pressure sensor is used for detecting the pressure of the sputum aspiration port.

In one embodiment, the oxygen generating path is further provided with a second filter screen, and an inlet of the oxygen generating path is communicated with the second end of the first three-way valve through the second filter screen. The second filter screen can filter dust and the like in the air, so that the purity of the air is improved, and the respiratory safety of a patient is ensured.

The application also relates to a ventilator comprising a ventilator system according to any of the embodiments described above.

Because the ventilator includes the ventilator system according to any of the above embodiments, the ventilator also includes at least the beneficial effects of the ventilator system: in the sputum discharging mode, the sputum sucking port of the sputum discharging air circuit can suck sundries such as sputum. When in an oxygen making mode, the inlet of the oxygen making pipeline can convey air to the oxygen making module through the first three-way valve and the second three-way valve and start oxygen making work so as to provide gas with higher oxygen content for a patient to suck, in the process, the second end of the second three-way valve communicated with the external environment is closed, the gas can be prevented from being discharged from the second end of the second three-way valve, the third end of the first three-way valve is closed, and sundries such as sputum and the like in the sputum discharging pipeline communicated with the third end of the first three-way valve can be prevented from being mixed. In other words, the breathing machine system has two functions of oxygen production and sputum excretion, and only one breathing machine applying the breathing machine system can meet the oxygen inhalation and sputum excretion requirements of patients, and the traditional scheme is not required to operate two breathing machines with different functions at the same time, so that the cost and the use threshold of the patients are greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present application, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic diagram of a ventilator system according to an embodiment of the present application.

Fig. 2 is a schematic diagram of a ventilator according to an embodiment of the present application.

Reference numerals:

100. A ventilator system; 200. a ventilator; 1. an inlet of the oxygen generating gas circuit; 2. a sputum suction port; 3. a second filter screen; 31. a first filter screen; 32. a second filter screen; 4. a first filter screen; 5. a sputum suction cup; 6. a first pressure sensor; 7. a first three-way valve; 71. a first end of the first three-way valve; 72. a second end of the first three-way valve; 73. a third end of the first three-way valve; 8. a compressor; 9. a second pressure sensor; 10. a second three-way valve; 101. the first end of the second three-way valve; 102. the second end of the second three-way valve; 103. a third end of the second three-way valve; 11. an oxygen generation module; 12. an oxygen-making three-way valve; 121. a first end of the oxygen-generating three-way valve; 122. a second end of the oxygen-making three-way valve; 123. a third end of the oxygen-making three-way valve; 13. a molecular sieve tower; 15. an oxygen-making two-way valve; 17. an oxygen-making one-way valve; 18. an oxygen storage tank; 19. a pressure regulating valve; 20. a proportional valve; 21. an oxygen concentration flow sensor; 22. a filter; 23. a third three-way valve; 231. a first end of a third three-way valve; 232. the second end of the third three-way valve; 233. and a third end of the third three-way valve.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

Referring to fig. 1, in some embodiments, a ventilator system 100 is provided that includes an oxygen generating circuit and a sputum evacuation circuit. The oxygen generation device is characterized in that a first three-way valve 7, a second three-way valve 10 and an oxygen generation module 11 are sequentially arranged on the oxygen generation pipeline, the oxygen generation module 11 is communicated with a first end 101 of the second three-way valve 10, a second end 102 of the second three-way valve 10 is communicated with the external environment, a third end 103 of the second three-way valve 10 is communicated with a first end 71 of the first three-way valve 7, and a second end 72 of the first three-way valve 7 is communicated with an inlet 1 of the oxygen generation pipeline. One end of the sputum discharging gas path is communicated with the third end 73 of the first three-way valve 7, and the other end of the sputum discharging gas path is provided with a sputum sucking port 2.

Wherein the ventilator system 100 has an oxygen generating mode and a sputum excretion mode;

In the sputum excretion mode, the second end 72 of the first three-way valve 7 is closed, the first end 71 and the third end 73 of the first three-way valve 7 are opened, the first end 101 of the second three-way valve 10 is closed, the second end 102 and the third end 103 of the second three-way valve 10 are opened, and the sputum aspiration port 2 can begin aspirating sputum;

In the oxygen generating mode, the third end 73 of the first three-way valve 7 is closed, the first end 71 and the second end 72 of the first three-way valve 7 are opened, the second end 102 of the second three-way valve 10 is closed, the first end 101 and the third end 103 of the second three-way valve 10 are opened, and the oxygen generating module 11 can start oxygen generation.

The ventilator system 100 includes at least the following advantages: in the sputum discharging mode, the sputum sucking port 2 of the sputum discharging air circuit can suck sundries such as sputum. During the oxygen making mode, the inlet 1 of the oxygen making air channel can convey air to the oxygen making module 11 through the first three-way valve 7 and the second three-way valve 10 and start oxygen making work so as to provide gas with higher oxygen content for a patient to suck, in the process, the second end 102 of the second three-way valve 10 communicated with the external environment is closed, the gas can be prevented from leaking out from the second end 102 of the second three-way valve 10, and the third end 73 of the first three-way valve 7 is closed, so that sundries such as sputum in the sputum discharging air channel communicated with the third end 73 of the first three-way valve 7 can be prevented from being mixed. In other words, the ventilator system 100 has two functions of oxygen production and sputum excretion, and only one ventilator 200 using the ventilator system 100 can meet the oxygen inhalation and sputum excretion requirements of a patient, and the requirement of operating two ventilators 200 with different functions simultaneously as in the conventional scheme is not required, and the cost and the use threshold of the patient are greatly reduced.

Specifically, as shown in fig. 1, in some embodiments, the ventilator system 100 further includes a compressor 8, the compressor 8 is disposed between the first three-way valve 7 and the second three-way valve 10, the first end 71 of the first three-way valve 7 is in communication with the air inlet of the compressor 8, and the air outlet of the compressor 8 is in communication with the third end 103 of the second three-way valve 10. In the oxygen producing mode, the compressor 8 may allow the oxygen producing gas line to generate suction to draw air from; in the sputum discharging mode, the compressor 8 can make the sputum suction port 2 of the sputum discharging air path generate suction force to suck sundries such as sputum.

Specifically, as shown in fig. 1, in some embodiments, the oxygen generating path is further provided with a third three-way valve 23 and an oxygen storage tank 18, the oxygen storage tank 18 is communicated with a first end 231 of the third three-way valve 23, and a second end 232 and a third end of the third three-way valve 23 are both oxygen outlets. The oxygen generating module 11 can generate oxygen and store the oxygen in the oxygen storage tank 18, even if the patient does not suck the oxygen currently, the oxygen generating module 11 can still keep the oxygen generating work, and the oxygen storage tank 18 can realize temporary storage of the oxygen so as to meet the oxygen inhalation requirement of the patient at any time. When the patient needs to inhale oxygen, the oxygen storage tank 18 can provide oxygen for the patient through the three-way valve 23, and timely meets the respiratory demand of the patient, so that the life safety of the patient is ensured. The second end 232 and the third end 233 of the third three-way valve 23 can supply oxygen, so that the flow direction of the gas can be switched, and the oxygen can be supplied to a user and a machine end. For example, in one embodiment, the second end 232 of the three-way valve 23 is used to provide oxygen to the patient and the third end 233 of the three-way valve 23 is used to provide oxygen to the machine end; as another example, in another embodiment, the second end 232 of the three-way valve 23 is used to provide oxygen to the machine end and the third end 233 of the three-way valve 23 is used to provide oxygen to the patient.

Specifically, as shown in fig. 1, in some embodiments, the oxygen generating module 11 includes an oxygen generating three-way valve 12, a molecular sieve tower 13 for generating oxygen, and an oxygen generating two-way valve 15, which are sequentially connected, wherein the oxygen generating two-way valve 15 is communicated with the oxygen storage tank 18, a first end 121 of the oxygen generating three-way valve 12 is communicated with the molecular sieve tower 13, a second end 122 of the oxygen generating three-way valve 12 is communicated with the first end 101 of the No. two three-way valve 10, and a third end 123 of the oxygen generating three-way valve 12 is used for being communicated with the external environment.

Specifically, as shown in fig. 1, in some embodiments, a plurality of oxygen generating modules 11 are provided, and a plurality of oxygen generating modules 11 are arranged in parallel. The oxygen generating modules 11 can work alternately, for example, when one part of the oxygen generating modules 11 discharges nitrogen from the third end 123 of the oxygen generating three-way valve 12, the other part of the oxygen generating modules 11 can continue to generate oxygen, the oxygen generating work is not interrupted, the supply of oxygen is ensured, and the respiratory requirement of a patient is ensured.

Specifically, as shown in fig. 1, in some embodiments, the oxygen generating module 11 further includes an oxygen generating one-way valve 17, the oxygen generating one-way valve 17 is disposed between the oxygen generating two-way valve 15 and the oxygen storage tank 18, one end of the oxygen generating two-way valve 15 is communicated with the molecular sieve tower 13, and the other end of the oxygen generating two-way valve 15 is communicated with the oxygen storage tank 18 through the oxygen generating one-way valve 17. The oxygen-making check valve 17 can prevent the gas from flowing back.

Specifically, as shown in fig. 1, in some embodiments, the oxygen generating gas path is further provided with a proportional valve 20 and a pressure regulating valve 19, the pressure regulating valve 19 is disposed between the oxygen storage tank 18 and the proportional valve 20, and the pressure regulating valve 19 is communicated with the first end 231 of the third three-way valve 23 through the proportional valve 20. The pressure regulating valve 19 can regulate the air pressure of the air supplied by the oxygen generating air circuit, for example, the pressure can be reduced when the air pressure is too high, so as to ensure the suction experience and safety of the patient.

Specifically, as shown in fig. 1, in some embodiments, the oxygen generating gas path is further provided with an oxygen concentration flow sensor 21, the oxygen concentration flow sensor 21 is disposed between the proportional valve 20 and the first end 231 of the three-way valve 23, and the oxygen concentration flow sensor 21 is used for detecting the oxygen concentration and the flow and feeding back to the ventilator system 100.

Specifically, as shown in fig. 1, in some embodiments, a filter 22 is further disposed on the oxygen generating gas path, the filter 22 is disposed between the proportional valve 20 and the first end 231 of the third three-way valve 23, and the proportional valve 20 is in communication with the first end 231 of the third three-way valve 23 through the filter 22. The outlet of the proportional valve 20 is often smaller, the air flow from the proportional valve 20 is relatively turbulent, if the air flow is not stabilized, the flow of the rapid flow air can be unstable when the rapid flow air passes through the flow sensor, and in this embodiment, the air flow from the proportional valve 20 passes through the filter 22, and the filter 22 can not only perform secondary filtration on the air flow, but also play a role in stabilizing the air flow.

Specifically, as shown in fig. 1, in some embodiments, the sputum-discharging path is provided with a first filter screen 4 and a sputum-sucking cup 5, the sputum-sucking cup 5 is communicated with the inlet of the sputum-discharging path, and the sputum-sucking cup 5 is communicated with the third end 103 of the No. two three-way valve 10 through the first filter screen 4.

Specifically, as shown in fig. 1, in some embodiments, a first pressure sensor 6 is disposed on the sputum excretion portion, and the first pressure sensor 6 is used for detecting the pressure of the sputum aspiration port 2.

Specifically, as shown in fig. 1, in some embodiments, the ventilator system 100 further includes a second pressure sensor 9, where the second pressure sensor 9 is disposed between the air outlet of the compressor 8 and the third end 103 of the No. two three-way valve 10.

Specifically, as shown in fig. 1, in some embodiments, the oxygen generating gas path is further provided with a second filter screen 3, and the inlet 1 of the oxygen generating gas path is communicated with the second end 72 of the first three-way valve 7 through the second filter screen 3. More specifically, in the embodiment shown in fig. 1, the second filter 3 includes a first filter 31 and a second filter 32 connected in sequence. The second filter screen 3 can filter dust and the like in the air, so that the purity of the air is improved, and the breathing safety of a patient is ensured.

In addition, as shown in fig. 2, the present application also relates to a ventilator 200 comprising a ventilator system 100 according to any of the embodiments described above.

Because the ventilator 200 includes the ventilator system 100 according to any of the embodiments described above, the ventilator 200 also includes at least the advantages of the ventilator system 100: in the sputum discharging mode, the sputum sucking port 2 of the sputum discharging air circuit can suck sundries such as sputum. During the oxygen making mode, the inlet 1 of the oxygen making air channel can convey air to the oxygen making module 11 through the first three-way valve 7 and the second three-way valve 10 and start oxygen making work so as to provide gas with higher oxygen content for a patient to suck, in the process, the second end 102 of the second three-way valve 10 communicated with the external environment is closed, the gas can be prevented from leaking out from the second end 102 of the second three-way valve 10, and the third end 73 of the first three-way valve 7 is closed, so that sundries such as sputum in the sputum discharging air channel communicated with the third end 73 of the first three-way valve 7 can be prevented from being mixed. In other words, the ventilator system 100 has two functions of oxygen production and sputum excretion, and only one ventilator 200 using the ventilator system 100 can meet the oxygen inhalation and sputum excretion requirements of a patient, and the requirement of operating two ventilators 200 with different functions simultaneously as in the conventional scheme is not required, and the cost and the use threshold of the patient are greatly reduced.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

In the description of the present specification, the descriptions of the terms "one embodiment," "other implementation," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. 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 herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Claims

1. A ventilator system, comprising:

2. The ventilator system of claim 1, further comprising a compressor disposed between the first three-way valve and the second three-way valve, a first end of the first three-way valve in communication with an air inlet of the compressor, and an air outlet of the compressor in communication with a third end of the second three-way valve.

3. The respirator system of claim 1 wherein the oxygen generating circuit is further provided with a three-way valve and an oxygen storage tank, the oxygen storage tank is communicated with a first end of the three-way valve, and a second end and a third end of the three-way valve are both oxygen outlets.

4. The ventilator system of claim 3, wherein the oxygen generation module comprises an oxygen generation three-way valve, a molecular sieve tower for oxygen generation, and an oxygen generation two-way valve, which are sequentially connected, wherein the oxygen generation two-way valve is communicated with the oxygen storage tank, a first end of the oxygen generation three-way valve is communicated with the molecular sieve tower, a second end of the oxygen generation three-way valve is communicated with a first end of the second three-way valve, and a third end of the oxygen generation three-way valve is used for being communicated with the external environment.

5. The ventilator system of claim 4, wherein the plurality of oxygen generating modules are arranged in parallel.

6. The ventilator system of claim 4, wherein the oxygen generation module further comprises an oxygen generation check valve disposed between the oxygen generation two-way valve and the oxygen storage tank, one end of the oxygen generation two-way valve being in communication with the molecular sieve tower, the other end of the oxygen generation two-way valve being in communication with the oxygen storage tank through the oxygen generation one-way valve.

7. The ventilator system of claim 4, wherein the oxygen generating circuit is further provided with a proportional valve and a pressure regulating valve, the pressure regulating valve is disposed between the oxygen storage tank and the proportional valve, and the pressure regulating valve is in communication with the first end of the three-way valve through the proportional valve.

8. The ventilator system of claim 7, wherein the oxygen generating circuit is further provided with an oxygen concentration flow sensor for detecting oxygen concentration and flow and feeding back to the ventilator system;

And/or the oxygen production pipeline is also provided with a filter, the filter is arranged between the proportional valve and the first end of the third three-way valve, and the proportional valve is communicated with the first end of the third three-way valve through the filter.

9. The respirator system of claim 1 wherein the sputum evacuation circuit is provided with a first screen and a sputum suction cup, the sputum suction cup is in communication with the inlet of the sputum evacuation circuit, and the sputum suction cup is in communication with the third end of the tee valve No. two through the first screen;

And/or a first pressure sensor is arranged on the sputum excretion gas path and is used for detecting the pressure of the sputum aspiration port;

And/or the oxygen producing gas path is also provided with a second filter screen, and an inlet of the oxygen producing gas path is communicated with the second end of the first three-way valve through the second filter screen.

10. A ventilator comprising a ventilator system as claimed in any of claims 1-9.