CN218075936U - Breathing machine - Google Patents
Breathing machine Download PDFInfo
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- CN218075936U CN218075936U CN202221332592.3U CN202221332592U CN218075936U CN 218075936 U CN218075936 U CN 218075936U CN 202221332592 U CN202221332592 U CN 202221332592U CN 218075936 U CN218075936 U CN 218075936U
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- gas
- gas flow
- air
- oxygen
- valve
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 229
- 239000001301 oxygen Substances 0.000 claims abstract description 55
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 55
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 26
- 239000003381 stabilizer Substances 0.000 claims description 17
- 230000000241 respiratory effect Effects 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000006199 nebulizer Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000002640 oxygen therapy Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 201000004193 respiratory failure Diseases 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 208000028399 Critical Illness Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 210000004722 stifle Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model relates to a breathing machine, which comprises an air-oxygen mixing cavity, an oxygen gas circuit, an air gas circuit and a gas flow regulator; the outlet of the oxygen gas path and the outlet of the air gas path are respectively connected with the inlet of the air-oxygen mixing cavity, and the outlet of the air-oxygen mixing cavity is used for being connected to a patient interface; the first end of the gas flow regulator is connected with the oxygen gas circuit or the air gas circuit, and the second end of the gas flow regulator is used for being connected to a patient interface to form an auxiliary gas supply branch; the gas flow regulator is used for controlling the on-off of the auxiliary gas supply branch and the gas flow. The utility model discloses a breathing machine is equipped with gas flow regulator, and gas flow regulator's first end is used for linking to each other with oxygen gas circuit or air branch road, and the second end is connected to patient interface, the supplementary air feed branch road of formation to make the breathing machine can not only be used for critical patient's treatment, can provide high flow oxygen therapy treatment for the patient again, enlarged the application range of breathing machine.
Description
Technical Field
The utility model belongs to the technical field of breathing equipment, especially, relate to a breathing machine.
Background
In modern clinical medicine, a ventilator has been widely used in respiratory failure due to various reasons, anesthesia and breathing management during major surgery, respiratory support therapy and emergency resuscitation as an effective means for manually replacing the function of spontaneous ventilation, and has a very important position in the modern medical field. The breathing machine is a vital medical device which can prevent and treat respiratory failure, reduce complications and save and prolong the life of a patient.
The existing air path design of the breathing machine is mostly the combination of one path of oxygen air path and one path of air path, and the air path design method can only provide basic breathing function for patients, can not meet more treatment requirements, and has a small application range.
SUMMERY OF THE UTILITY MODEL
The utility model provides a respirator to realize enlarging the application range of the respirator.
The embodiment of the utility model provides a breathing machine, which comprises an air-oxygen mixing cavity, an oxygen gas circuit and an air gas circuit; the outlet of the oxygen gas path and the outlet of the air gas path are respectively connected with the inlet of the air-oxygen mixing cavity, and the outlet of the air-oxygen mixing cavity is used for being connected to a patient interface;
the ventilator further comprises a gas flow regulator; the first end of the gas flow regulator is connected with the oxygen gas circuit or the air gas circuit, and the second end of the gas flow regulator is used for being connected to a patient interface to form an auxiliary gas supply branch circuit; the gas flow regulator is used for controlling the on-off of the auxiliary gas supply branch and the gas flow.
Optionally, the third end of the gas flow regulator is in communication with an atomizer.
Optionally, the gas flow regulator is provided with at least two; the first end of one gas flow regulator is connected with the oxygen gas path, and the first end of the other gas flow regulator is connected with the air gas path;
the respirator also comprises an air path switching valve; the outlet of the gas path switching valve is used for being connected with the atomizer, the inlet of the gas path switching valve is respectively communicated with the third ends of the at least two gas flow regulators, and the gas path switching valve is used for controlling one of the at least two gas flow regulators to be communicated to the atomizer.
Optionally, the oxygen gas path and the air gas path adopt gas paths with the same structure;
the gas circuit comprises a gas flow stabilizing device and a gas flow control device; the import of gaseous current stabilizer links to each other with gaseous air supply, gaseous current stabilizer's export respectively with the import of gas flow control device with the first end of gas flow regulator links to each other, the export of gas flow control device with patient's interface links to each other.
Optionally, the gas flow stabilizer comprises a first pressure sensor, a pressure relief valve and a pressure relief valve; the gas source, the pressure relief valve, the pressure reducing valve and the gas flow control device are communicated in sequence; the gas flow regulator is connected between the pressure reducing valve and the gas flow control device;
the first pressure sensor is used for detecting the pressure value of the gas between the gas source and the pressure relief valve;
the pressure relief valve is used for automatically relieving pressure when the pressure value detected by the first pressure sensor is greater than a preset value so as to reduce the gas pressure value to be lower than the preset value;
the pressure reducing valve is used for reducing and stabilizing the gas pressure.
Optionally, the gas circuit further comprises a filter, and the filter is communicated with the gas source and the gas flow stabilizer.
Optionally, the gas flow control device comprises a proportional valve and a flow sensor, the proportional valve communicating the gas flow stabilizer and the patient interface;
the flow sensor is used for detecting a gas flow signal between the proportional valve and a patient;
the proportional valve is used for controlling the gas flow according to the gas flow signal detected by the flow sensor.
Optionally, the ventilator further comprises a second pressure sensor for detecting a pressure value of gas between the air-oxygen mixing chamber and the patient interface; and/or
The breathing machine further comprises an inspiration one-way valve, an inlet of the inspiration one-way valve is connected with an outlet of the air-oxygen mixing cavity, and an outlet of the inspiration one-way valve is connected with the patient interface.
Optionally, the ventilator further comprises an emergency inhalation valve, and the emergency inhalation valve is communicated with the air-oxygen mixing chamber.
Optionally, the ventilator further comprises an expiratory circuit, the expiratory circuit comprising an expiratory valve and a respiratory mechanics sampling module; the exhalation valve communicates the patient interface with an external environment; the respiratory mechanics sampling module is used for collecting the flow and pressure information of the gas exhaled by the patient.
In the breathing machine provided by the embodiment of the utility model, oxygen flows into the air-oxygen mixing cavity through the oxygen gas circuit, air flows into the air-oxygen mixing cavity through the air gas circuit, oxygen and air are mixed in the air-oxygen mixing cavity, then flow out from the outlet of the air-oxygen mixing cavity and flow through the patient interface for the patient to inhale; the first end of the gas flow regulator is connected with the oxygen gas circuit, the second end of the gas flow regulator is connected to the patient interface, and the formed auxiliary gas supply branch is an auxiliary oxygen supply branch; or the first end of the gas flow regulator is connected with the air circuit, the second end of the gas flow regulator is connected with the patient interface, and the formed auxiliary gas supply branch is an auxiliary air supply branch; meanwhile, the gas flow regulator can also control the on-off of the auxiliary gas supply branch and the gas flow to output oxygen or air with required flow for treatment of a patient, so that the respirator can be used for treatment of critical patients, high-flow oxygen treatment can be provided for the patient, and the application range of the respirator is expanded.
Drawings
Fig. 1 is a schematic structural diagram of a ventilator according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a filter; 2. a first pressure sensor; 3. a pressure relief valve; 4. a gas path check valve; 5. a pressure reducing valve; 6. a gas flow regulator; A. a first end; B. a second end; C. a third end; 7. a gas path switching valve; 8. a proportional valve; 9. a flow sensor; 10. an air-oxygen mixing cavity; 11. an emergency suction valve; 12. an air suction check valve; 13. a second pressure sensor; 14. a respiratory mechanics sampling module; 15. an exhalation valve; 16. a patient interface.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1, the ventilator provided by the embodiment of the present invention includes an air-oxygen mixing chamber 10, an oxygen gas path and an air gas path; the outlet of the oxygen gas path and the outlet of the air gas path are respectively connected with the inlet of the air-oxygen mixing chamber 10, and the outlet of the air-oxygen mixing chamber 10 is used for being connected to a patient interface 16;
the ventilator further comprises a gas flow regulator 6; a first end a of the gas flow regulator 6 is connected with the oxygen gas circuit or the air gas circuit, and a second end B of the gas flow regulator 6 is used for connecting to the patient interface 16 to form an auxiliary gas supply branch; the gas flow regulator 6 is used for controlling the on-off of the auxiliary gas supply branch and the gas flow.
In the respirator provided by the embodiment of the utility model, oxygen flows into the air-oxygen mixing chamber 10 through the oxygen gas path, air flows into the air-oxygen mixing chamber 10 through the air gas path, oxygen and air are mixed in the air-oxygen mixing chamber 10, then flow out from the outlet of the air-oxygen mixing chamber 10 and flow through the patient interface 16 for the patient to inhale; the oxygen supply device is also provided with a gas flow regulator 6, a first end A of the gas flow regulator 6 is connected with the oxygen gas circuit, a second end B is connected to the patient interface 16, and an auxiliary gas supply branch is formed and is an auxiliary oxygen supply branch; or the first end A of the gas flow regulator 6 is connected with the air circuit, the second end B is connected with the patient interface 16, and the formed auxiliary gas supply branch is an auxiliary gas supply branch; meanwhile, the gas flow regulator 6 can also control the on-off of the auxiliary gas supply branch and the gas flow to output oxygen or air with required flow for treatment of a patient, so that the respirator can be used for treating the critically ill patient and providing high-flow oxygen treatment for the patient, and the application range of the respirator is expanded.
In an embodiment, as shown in fig. 1, the third end C of the gas flow regulator 6 is communicated with the nebulizer, so that the oxygen gas path or the air gas path provides driving gas for the nebulizer, the utilization rate of each structure of the ventilator is maximized, and the overall structure is more simplified.
In one embodiment, as shown in fig. 1, the gas flow regulator 6 is provided with at least two; the first end A of one gas flow regulator 6 is connected with the oxygen gas circuit, and the first end A of the other gas flow regulator 6 is connected with the air gas circuit; the breathing machine also comprises an air path switching valve 7; the outlet of the gas path switching valve 7 is used for being connected with the atomizer, the inlet of the gas path switching valve 7 is communicated with the third end C of the at least two gas flow regulators 6 respectively, and the gas path switching valve 7 is used for controlling one of the at least two gas flow regulators 6 to be communicated to the atomizer.
In this embodiment, the gas path switching valve 7 is used to control the on/off of the gas path connecting with each gas flow regulator 6, and select one of the gas flow regulators 6 to communicate with the atomizer, so that oxygen or air flows into the atomizer to be used as driving gas; by the design, two paths of driving gas, namely oxygen and air, can be selected, and when one path of driving gas breaks down, the other path of driving gas can be adopted, so that the normal operation of the atomizer is ensured, and the operation stability of the respirator is improved.
In one embodiment, as shown in fig. 1, the oxygen gas path and the air gas path are gas paths having the same structure, which facilitates mass production of components of the gas paths and facilitates processing and installation.
In one embodiment, as shown in fig. 1, the gas circuit includes a gas flow stabilizer and a gas flow control device; the inlet of the gas flow stabilizer is connected with the gas source, the outlet of the gas flow stabilizer is respectively connected with the inlet of the gas flow control device and the first end A of the gas flow regulator 6, and the outlet of the gas flow control device is connected with the patient interface 16. The gas flow stabilizing device is favorable for smooth flow of gas in a gas path, the flow of oxygen or air flowing into the air-oxygen mixing cavity 10 can be controlled through the gas flow control device, the oxygen and the air can be fully mixed in the air-oxygen mixing cavity 10 according to a preset proportion, and the oxygen and the air can be inhaled by a patient through the patient interface 16.
In one embodiment, as shown in fig. 1, the gas flow stabilizer comprises a first pressure sensor 2, a pressure relief valve 3 and a pressure relief valve 5; the pressure relief valve 3, the pressure reducing valve 5 and the gas flow control device are communicated in sequence; the gas flow regulator 6 is connected between the pressure reducing valve 5 and the gas flow control device; the first pressure sensor 2 is used for detecting the pressure value of gas between a gas source and the pressure relief valve 3; the pressure relief valve 3 is used for automatically relieving pressure when the pressure value detected by the first pressure sensor 2 is greater than a preset value so as to reduce the gas pressure value below the preset value; the pressure reducing valve 5 serves to reduce and stabilize the gas pressure.
In the present embodiment, the first pressure sensor 2 is located between the gas source and the pressure relief valve 3, and is used for detecting the pressure value of the gas flowing into the gas path from the gas source; when the pressure value of the gas is greater than the preset value, the pressure relief valve 3 automatically relieves the pressure, so that the pressure value of the gas flowing through the pressure relief valve 3 is reduced to be lower than the preset value, and all parts of the gas path are protected; and the gas passes through the pressure reducing valve 5 to reduce and stabilize the gas pressure, so that the gas can stably flow at proper pressure, and the gas is favorable for the inhalation of a patient.
In one embodiment, as shown in fig. 1, the gas flow stabilizer further includes a gas path check valve 4; the inlet of the air passage one-way valve 4 is connected with the outlet of the pressure relief valve 3, and the outlet of the air passage one-way valve 4 is connected with the inlet of the pressure relief valve 5. The gas circuit one-way valve 4 is arranged, so that gas can only flow to the pressure reducing valve 5 from the pressure relief valve 3, and gas backflow is avoided.
In one embodiment, as shown in fig. 1, the gas circuit further includes a filter 1, and the filter 1 is communicated with the gas source and the gas flow stabilizer. The gas that the gas source inputed to the gas circuit at first flows through filter 1 and filters to get rid of the impurity in the gas, guarantee gaseous purity, improve the respiratory security of patient, also be favorable to protecting each part of gas circuit.
In one embodiment, as shown in fig. 1, the gas flow control device comprises a proportional valve 8 and a flow sensor 9, the proportional valve 8 communicating the gas flow stabilizer with the patient interface 16; the flow sensor 9 is used for detecting a gas flow signal between the proportional valve 8 and the patient; the proportional valve 8 is used to control the gas flow according to the gas flow signal detected by the flow sensor 9. Set up proportional valve 8 and flow sensor 9 cooperation, the flow that can accurate control gas for oxygen and air mix in empty oxygen hybrid chamber 10 according to predetermineeing the proportion, do benefit to the patient and inhale.
In one embodiment, as shown in fig. 1, the ventilator further comprises a second pressure sensor 13, and the second pressure sensor 13 is used for detecting the pressure value of the gas between the empty and oxygen mixing chamber 10 and the patient interface 16. Set up the gas pressure value that second pressure sensor 13 detected empty oxygen hybrid chamber 10 exit, can monitor the gaseous pressure value of patient's inhaled in real time to can adjust the pressure of gas in each gas circuit according to the gas pressure value that second pressure sensor 13 detected, so that the patient can comfortable breathe, improve the use travelling comfort of breathing machine.
In one embodiment, as shown in fig. 1, the ventilator further comprises an inspiration check valve 12, an inlet of the inspiration check valve 12 is connected to an outlet of the air and oxygen mixing chamber 10, and an outlet of the inspiration check valve 12 is connected to the patient interface 16. The inspiration check valve 12 is positioned such that gas can only flow from the air and oxygen mixing chamber 10 to the patient interface 16, preventing exhaled gas from the patient from flowing into the air and oxygen mixing chamber 10.
In one embodiment, as shown in fig. 1, the ventilator further comprises an emergency inhalation valve 11, and the emergency inhalation valve 11 is communicated with the air-oxygen mixing chamber 10. When oxygen gas circuit and air gas circuit break down, emergent inhalation valve 11 is opened for air oxygen hybrid chamber 10 and external environment are linked together, and the patient can inhale the air, prevents to cause and stifles.
In one embodiment, as shown in fig. 1, the ventilator further includes an expiratory circuit, which includes an expiratory valve 15 and a respiratory mechanics sampling module 14; the exhalation valve 15 communicates the patient interface 16 with the external environment; the respiratory mechanics sampling module 14 is used to collect flow and pressure information of the patient's exhaled breath. The gas exhaled by the patient firstly flows through the respiratory mechanics sampling module 14 to collect the flow and pressure information of the gas, so that the flow and pressure of the gas in the oxygen gas path and the air gas path can be adjusted by the respirator according to the flow and pressure information, and the respiratory comfort of the patient is improved; and then out to the external environment through the exhalation valve 15.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. A breathing machine comprises an air-oxygen mixing cavity, an oxygen gas path and an air gas path; an outlet of the oxygen gas path and an outlet of the air gas path are respectively connected with an inlet of the air-oxygen mixing cavity, and an outlet of the air-oxygen mixing cavity is used for being connected to a patient interface; it is characterized in that the preparation method is characterized in that,
the ventilator further comprises a gas flow regulator; the first end of the gas flow regulator is connected with the oxygen gas circuit or the air gas circuit, and the second end of the gas flow regulator is used for being connected to a patient interface to form an auxiliary gas supply branch circuit; the gas flow regulator is used for controlling the on-off of the auxiliary gas supply branch and the gas flow.
2. The ventilator of claim 1, wherein the third end of the gas flow regulator is in communication with a nebulizer.
3. The ventilator of claim 2, wherein there are at least two of said gas flow regulators; the first end of one gas flow regulator is connected with the oxygen gas path, and the first end of the other gas flow regulator is connected with the air gas path;
the breathing machine also comprises a gas path switching valve; the outlet of the gas path switching valve is used for being connected with the atomizer, the inlet of the gas path switching valve is respectively communicated with the third ends of the at least two gas flow regulators, and the gas path switching valve is used for controlling one of the at least two gas flow regulators to be communicated to the atomizer.
4. The ventilator of claim 1, wherein the oxygen gas circuit and the air gas circuit are the same gas circuit;
the gas circuit comprises a gas flow stabilizing device and a gas flow control device; the inlet of the gas flow stabilizer is connected with a gas source, the outlet of the gas flow stabilizer is respectively connected with the inlet of the gas flow control device and the first end of the gas flow regulator, and the outlet of the gas flow control device is connected with the patient interface.
5. The ventilator of claim 4 wherein the gas flow stabilizer comprises a first pressure sensor, a pressure relief valve, and a pressure relief valve; the gas source, the pressure relief valve, the pressure reducing valve and the gas flow control device are communicated in sequence; the gas flow regulator is connected between the pressure reducing valve and the gas flow control device;
the first pressure sensor is used for detecting the pressure value of the gas between the gas source and the pressure relief valve;
the pressure relief valve is used for automatically relieving pressure when the pressure value detected by the first pressure sensor is greater than a preset value so as to reduce the pressure value of the gas below the preset value;
the pressure reducing valve is used for reducing and stabilizing the gas pressure.
6. The ventilator of claim 4, wherein said gas circuit further comprises a filter, said filter communicating said gas source and said gas flow stabilizer.
7. The ventilator of claim 4, wherein the gas flow control device comprises a proportional valve and a flow sensor, the proportional valve communicating the gas flow stabilizer and the patient interface;
the flow sensor is used for detecting a gas flow signal between the proportional valve and a patient;
the proportional valve is used for controlling the gas flow according to the gas flow signal detected by the flow sensor.
8. The ventilator of claim 1, further comprising a second pressure sensor for detecting a pressure value of gas between the air and oxygen mixing chamber and the patient interface; and/or
The breathing machine further comprises an inspiration one-way valve, an inlet of the inspiration one-way valve is connected with an outlet of the air-oxygen mixing cavity, and an outlet of the inspiration one-way valve is connected with the patient interface.
9. The ventilator of claim 1 further comprising an emergency inhalation valve in communication with said air-oxygen mixing chamber.
10. The ventilator of claim 1 further comprising an expiratory circuit, the expiratory circuit comprising an exhalation valve and a respiratory mechanics sampling module; the exhalation valve communicates the patient interface with an external environment; the respiratory mechanics sampling module is used for collecting the flow and pressure information of the gas exhaled by the patient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221332592.3U CN218075936U (en) | 2022-05-30 | 2022-05-30 | Breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221332592.3U CN218075936U (en) | 2022-05-30 | 2022-05-30 | Breathing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218075936U true CN218075936U (en) | 2022-12-20 |
Family
ID=84462009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221332592.3U Active CN218075936U (en) | 2022-05-30 | 2022-05-30 | Breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218075936U (en) |
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2022
- 2022-05-30 CN CN202221332592.3U patent/CN218075936U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000, Building 1, 101, Evergrande Fashion Huigu Building, Fulong Road, Shanghenglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Security Medical Technology Co.,Ltd. Country or region after: China Address before: A1302, Shenzhen national engineering laboratory building, No.20, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Security Medical Technology Co.,Ltd. Country or region before: China |