CN211245014U

CN211245014U - Breathing device and breathing machine

Info

Publication number: CN211245014U
Application number: CN201921820133.8U
Authority: CN
Inventors: 欧阳习浩
Original assignee: Royal Fornia Medical Equipment Co ltd
Current assignee: Royal Fornia Medical Equipment Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-14
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to the field of medical equipment, and discloses a breathing device and a breathing machine, which comprises a gas mixing module formed by sequentially communicating a gas source switching valve, a main valve, a proportional valve and a gas mixer, wherein the gas mixing module comprises a first pipeline between a gas outlet of the gas source switching valve and a gas inlet of the main valve, and a gas outlet of the proportional valve is communicated with a first gas inlet of the gas mixer; the breathing control module is formed by sequentially communicating an inspiration one-way valve, a simulated lung and an expiration valve, and a communication pipeline is arranged between an air inlet of the breathing control module and an air outlet of the gas mixing module; the air outlet of the respiration control module is communicated with the first pipeline through a second pipeline; the exhaust gas exhaled by the human body can be recycled, the humidifying device is reduced, the high-pressure oxygen is saved, the energy is saved, and the benefit is improved.

Description

Breathing device and breathing machine

All as the field of technology

The utility model relates to the field of medical equipment, especially, relate to a respiratory device and breathing machine.

All the above-mentioned background techniques

In the prior art, a breathing machine can provide oxygen for a patient through a high-pressure gas bottle, and help the patient without breathing, respiratory failure or sudden dyspnea to provide lung ventilation. At present, the number of patients who need to use a ventilator every year all over the world is more than 2 hundred million people who receive general anesthesia alone, and the market of the visible ventilator is huge for patients who need respiratory support, such as respiratory failure, emergency resuscitation and the like.

In the existing connection method between the breathing machine and the breathing system of the human body, the utilization rate of oxygen of the human body is only 50 percent, the residual oxygen of waste gas is 50 percent of that of inhaled gas in the exhalation process of the human body, and the waste gas is discharged into the atmosphere directly and is seriously wasted; furthermore, the ventilator needs to be additionally provided with a humidifying device to process the gas to be inhaled into moist gas suitable for the human lungs. In a word, the utilization rate of the oxygen source of the existing breathing machine is low, and a humidifying device needs to be additionally arranged, so that the energy is wasted, and the benefit is low.

All kinds of practical novel contents

The utility model aims at providing a respiratory device and breathing machine can recycle the waste gas of human body exhalation, reduces humidification device, practices thrift high-pressure oxygen, and the energy saving improves the benefit.

In order to realize the purpose of the utility model, the technical scheme that the first aspect adopted is: a respiratory device, comprising:

the gas mixing module is formed by sequentially communicating a gas source switching valve, a main valve, a proportional valve and a gas mixer, and comprises a first pipeline between a gas outlet of the gas source switching valve and a gas inlet of the main valve, wherein a gas outlet of the proportional valve is communicated with a first gas inlet of the gas mixer;

the breathing control module is formed by sequentially communicating an inspiration one-way valve, a simulated lung and an expiration valve, and a communication pipeline is arranged between an air inlet of the breathing control module and an air outlet of the gas mixing module;

the air outlet of the respiration control module is communicated with the first pipeline through a second pipeline.

Preferably, the second pipeline is further provided with a recirculation pressure regulating valve.

Preferably, an exhalation control valve is further arranged between the air inlet of the exhalation valve and the air outlet of the simulated lung.

Preferably, a safety valve is further arranged between the air inlet of the respiration control module and the air outlet pipeline of the gas mixer.

Preferably, a pressure sensor is further arranged between the air outlet of the inspiration one-way valve and the air inlet of the simulated lung.

Preferably, an oxygen concentration sensor is further arranged between the air outlet of the inspiration one-way valve and the air inlet of the simulated lung.

Preferably, a flow rate sensor is arranged on the air inlet and outlet pipeline of the simulated lung.

The utility model discloses a technical scheme that second aspect adopted is: a ventilator comprising a breathing apparatus as claimed in any one of the preceding claims.

Preferably, the device further comprises a high-pressure oxygen source module and a low-pressure oxygen source module, a third pipeline is arranged at an air outlet port of the high-pressure oxygen source module, the air source switching valve comprises two air source ports, one of the air source ports is communicated with the third pipeline, and the other air source port is communicated with an output pipeline of the low-pressure oxygen source module.

Preferably, the gas mixing module further comprises an auxiliary valve and an oxygen regulating valve, the gas outlet port of the high-pressure oxygen source module is further provided with a fourth pipeline, the fourth pipeline is sequentially communicated with the auxiliary valve, the oxygen regulating valve and the gas mixer, and the gas outlet of the oxygen regulating valve is communicated with the second gas inlet of the gas mixer.

The utility model has the advantages that:

compared with the prior art, the utility model discloses can recycle the waste gas of human body exhalation, reduce humidification device, practice thrift hyperbaric oxygen, the energy saving improves the benefit.

Description of the drawings

FIG. 1 is a schematic block diagram of a preferred embodiment of the present invention;

FIG. 2 is a general schematic view of a preferred embodiment of the present invention;

wherein the reference numerals are:

10. a gas mixing module; 101. an air source switching valve; 102. a main valve; 103. a proportional valve; 104. a gas mixer; 105. a first pipeline; 106. an auxiliary valve; 107. an oxygen regulating valve;

20. a breathing control module; 201. an air suction check valve; 202. simulating a lung; 203. an exhalation valve; 204. an exhalation control valve; 205. a safety valve; 206. a pressure sensor; 207. an oxygen concentration sensor; 208. a flow rate sensor;

30. a second pipeline; 301. a recirculation pressure regulating valve;

40. a high pressure oxygen source module; 401. a high pressure oxygen interface; 403. a high pressure oxygen pressure regulating valve; 404. a third pipeline; 405. a fourth pipeline;

50. a low pressure oxygen source module; 501. a low pressure oxygen interface; 503. a low pressure oxygen pressure regulating valve;

601. an atomization interface; 602. an air source air pressure upper limit adjusting knob; 603. a barometer 603.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

(specific embodiments) in all cases

As shown in fig. 1-2, a breathing apparatus includes a breathing apparatus, a high pressure oxygen source module 40 and a low pressure oxygen source module 50, the breathing apparatus includes a gas mixing module 10, a breathing control module 20 and a second pipeline 30, the gas mixing module 10 is formed by sequentially communicating a gas source switching valve 101, a main valve 102, a proportional valve 103 and a gas mixer 104, a vent pipeline between a gas outlet of the gas source switching valve 101 and a gas inlet of the main valve 102 is a first pipeline 105, wherein the gas mixer 104 may include a gas inlet, a gas mixing cavity and a gas outlet, and the gas outlet of the proportional valve 103 is communicated with the first gas inlet of the gas mixer 104; the main valve 102 is an electromagnetic valve, and the proportional valve 103 is a regulating valve for regulating the intake ratio of the high-pressure oxygen and the low-pressure oxygen; the high pressure oxygen source module 40 is a module in the prior art, generally provides high pressure oxygen, and includes a ventilation module composed of a high pressure oxygen interface 401, a check valve and a high pressure oxygen pressure regulating valve 403, wherein the high pressure oxygen pressure regulating valve 403 can be regulated by a gas source pressure upper limit regulating knob 602, and the electrical connection thereof is the content of the prior art and is not described again; the low pressure oxygen source module 50 is also a module in the prior art, generally provides air at normal temperature and normal pressure, and includes a ventilation module composed of a low pressure oxygen interface 501, a check valve and a low pressure oxygen pressure regulating valve 503.

The respiration control module 20 is formed by sequentially communicating an inspiration check valve 201, a simulated lung 202 and an expiration valve 203, wherein a communication pipeline is arranged between an air inlet of the inspiration check valve 201 and an air outlet of the gas mixer 104 and is used for obtaining mixed gas with proper oxygen concentration and pressure of the gas mixer 104; the outlet of the exhalation valve 203 is communicated with the first pipeline 105 through the second pipeline 30, so that the breathing apparatus becomes a closed-cycle breathing apparatus, and the exhaust gas discharged from the simulated lung 202 reenters the gas mixing module 10 and the breathing control module 20 for cyclic utilization. The embodiment can recycle the exhaust gas exhaled by the human body, reduce the humidifying device, save high-pressure oxygen, save energy and improve the benefit. The dummy lung 202 may be sealingly connected to the aerosolization interface 601.

Preferably, the outlet port of the high-pressure oxygen source module 40 is provided with a third pipeline 404, the gas source switching valve 101 is a solenoid valve, preferably a two-position three-way solenoid valve, and includes two gas source ports for gas intake, one of the gas source ports is communicated with the third pipeline 404, the other is communicated with the output pipeline of the low-pressure oxygen source module 50, and the valve core of the gas source switching valve 101 is switched between two valve positions, so that the gas mixing module 10 can obtain high-pressure oxygen and low-pressure oxygen.

Preferably, the gas mixing module 10 further includes an auxiliary valve 106 and an oxygen regulating valve 107, wherein the auxiliary valve 106 is a solenoid valve, and the oxygen regulating valve 107 is used for regulating the intake amount of the high-pressure oxygen. The outlet port of the high-pressure oxygen source module 40 is further provided with a fourth pipeline 405, the fourth pipeline 405 is sequentially communicated with the auxiliary valve 106, the oxygen regulating valve 107 and the gas mixer 104, wherein the gas mixer 104 may include two gas inlets, a gas mixing cavity and a gas outlet, the gas outlet of the proportional valve 103 is communicated with the first gas inlet of the gas mixer 104, and the gas outlet of the oxygen regulating valve 107 is communicated with the second gas inlet of the gas mixer 104. The adjustment precision of the oxygen concentration can be optimized, and the symptom of atelectasis of the patient can be reduced.

Preferably, the second pipeline 30 is further provided with a recirculation pressure regulating valve 301 for increasing the pressure of the exhaust gas entering the internal circulation.

Preferably, an exhalation control valve 204 is further disposed between the air inlet of the exhalation valve 203 and the air outlet of the simulated lung 202, the exhalation control valve 204 is called a Positive end-expiration pressure, abbreviated as PEEP valve, and under the condition of instructing ventilation, the exhalation control valve 204 can maintain a certain level of Positive pressure during the whole exhalation process, so as to prevent the occurrence of symptoms of atelectasis.

Preferably, a safety valve 205 is further disposed between the air inlet of the respiration control module 20 and the air outlet pipeline of the gas mixer 104, and when the pressure exceeds a set upper limit, the safety valve 205 is activated to discharge more pressure, so as to ensure the safety of the patient.

Preferably, a pressure sensor 206 is further disposed between the air outlet of the inhalation one-way valve 201 and the air inlet of the simulated lung 202. A barometer 603 may also be set on the visible surface of embodiments of the invention to display the value of the pressure sensor 206.

Preferably, an oxygen concentration sensor 207 is further disposed between the air outlet of the inhalation one-way valve 201 and the air inlet of the simulated lung 202.

Preferably, a flow rate sensor 208 is disposed on the air inlet and outlet line of the simulated lung 202.

The above embodiments are only preferred embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made according to the shape, structure and principle of the present invention, such as replacing the solenoid valve with a pneumatic valve; or the arrangement sequence of the components on the gas mixing module 10, the respiration control module 20, the hyperbaric oxygen source module 40 or the hypoxic oxygen source module 50 is changed; the gas mixer 104 may be in the form of a plurality of gas inlets, and the like, and are all covered by the present invention.

Claims

1. A respiratory device, comprising:

2. The respiratory device of claim 1, wherein a recirculation pressure regulating valve is further disposed on the second conduit.

3. The respiratory device of claim 1 or 2, wherein an exhalation control valve is further disposed between the inlet of the exhalation valve and the outlet of the simulated lung.

4. The respiratory device of claim 1 or 2, wherein a safety valve is further disposed between the gas inlet of the respiration control module and the gas outlet pipeline of the gas mixer.

5. The respiratory device of claim 1 or 2, wherein a pressure sensor is further disposed between the outlet of the inspiration one-way valve and the inlet of the simulated lung.

6. The respiratory device of claim 1 or 2, wherein an oxygen concentration sensor is further disposed between the outlet of the inspiration one-way valve and the inlet of the simulated lung.

7. A respiratory device according to claim 1 or claim 2 wherein a flow rate sensor is provided on the airway of the simulated lung.

8. A ventilator comprising a breathing apparatus according to any one of claims 1-7.

9. The respirator of claim 8, further comprising a hyperbaric oxygen source module and a hypoxic oxygen source module, wherein the outlet port of the hyperbaric oxygen source module is provided with a third pipeline, and the gas source switching valve comprises two gas source ports, one of the gas source ports is communicated with the third pipeline, and the other gas source port is communicated with the output pipeline of the hypoxic oxygen source module.

10. The respirator of claim 9, wherein the gas mixing module further comprises an auxiliary valve and an oxygen regulating valve, and a fourth pipeline is further disposed at the gas outlet of the hyperbaric oxygen source module and is sequentially communicated with the auxiliary valve, the oxygen regulating valve and the gas mixer, wherein a gas outlet of the oxygen regulating valve is communicated with a second gas inlet of the gas mixer.