CN107308531B - Breathing machine and multifunctional inspiration valve thereof - Google Patents
Breathing machine and multifunctional inspiration valve thereof Download PDFInfo
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- CN107308531B CN107308531B CN201710676197.4A CN201710676197A CN107308531B CN 107308531 B CN107308531 B CN 107308531B CN 201710676197 A CN201710676197 A CN 201710676197A CN 107308531 B CN107308531 B CN 107308531B
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- air passage
- driving piece
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a breathing machine and a multifunctional inhalation valve thereof, comprising an inhalation valve body and a mounting seat, wherein the inhalation valve body is arranged on the mounting seat and comprises: the device comprises a main air passage, a bypass air passage, an inhalation pressure adjusting air passage, a main air passage diaphragm, a bypass air passage diaphragm and an inhalation pressure adjusting diaphragm; the mounting seat comprises a driving piece, the driving piece is fixed on the mounting seat, and the main air channel membrane is arranged in the main air channel; the bypass air passage diaphragm is arranged in the bypass air passage; the driving piece comprises an air suction pressure adjusting and air channel switching driving piece, and the air suction pressure adjusting driving piece is used for controlling the closing and/or opening of the air suction pressure adjusting membrane; the air passage switching driving piece controls the bypass air passage diaphragm to close and/or open; the bypass air passage diaphragm is arranged at the top end of the air passage switching driving piece; the air suction pressure adjusting membrane is arranged at the top end of the air suction pressure adjusting driving piece. The invention also discloses a breathing machine. The invention can realize that the breathing machine integrates an invasive breathing mode and a noninvasive breathing mode, and is convenient and fast.
Description
Technical Field
The invention relates to medical equipment, in particular to a breathing machine and a multifunctional inhalation valve thereof.
Background
A ventilator is a device that can replace, control or alter a person's normal physiological breathing and is often used to increase the patient's lung ventilation, improve the patient's respiratory function, reduce respiratory power consumption, and conserve the patient's cardiac reserve capacity. The inspiratory valve is an integral component of the ventilator and is often used as an interface for the patient to inhale and provide the source of inspiratory gas. The inhalation valve is often connected upstream to an inhalation flow control system and downstream to a breathing apparatus, such as a breathing circuit, humidifier, etc. Meanwhile, the inspiratory valve has the function of adjusting inspiratory pressure, can receive an instruction from a control system of the respirator, and controls the closing or opening of the inspiratory pressure adjusting diaphragm, so that the actual inspiratory pressure of the gas circuit system is prevented from exceeding the set pressure value of the main machine of the respirator, and the inspiration safety of a patient is protected.
However, only one main airway of the existing inhalation valve is only used for inhaling gas by a patient, and the gas cannot pass through the airway when the patient exhales gas, so that the existing inhalation valve is only suitable for invasive breathing mode of a double-branch breathing circuit, but not suitable for non-invasive breathing mode of a single-branch breathing circuit, and therefore, the existing inhalation valve cannot be compatible with the double-branch breathing circuit, and the existing ventilator on the market is divided into an invasive ventilator and a non-invasive ventilator.
Based on this, it is necessary to design a ventilator and a multifunctional inspiratory valve thereof, which can integrate an invasive breathing mode and a noninvasive breathing mode, and can be conveniently and rapidly used by a patient.
Disclosure of Invention
The invention mainly aims to provide a respirator and a multifunctional inspiratory valve thereof, aiming at realizing that the respirator integrates an invasive breathing mode and a noninvasive breathing mode and can be conveniently and quickly used by a patient.
In order to achieve the above object, the present invention provides a multifunctional suction valve, including a suction valve body and a mounting seat, wherein the suction valve body is disposed on the mounting seat, and the suction valve body includes: the device comprises a main air passage, a bypass air passage, an inhalation pressure adjusting air passage, a main air passage diaphragm, a bypass air passage diaphragm and an inhalation pressure adjusting diaphragm; the mount pad includes the driving piece, the driving piece is fixed in on the mount pad, wherein:
the main air channel diaphragm is arranged in the main air channel;
the bypass air passage diaphragm is arranged in the bypass air passage;
the driving piece comprises an air suction pressure adjusting driving piece and an air passage switching driving piece, and the air suction pressure adjusting driving piece is used for controlling an air suction pressure adjusting diaphragm to close and/or open an air suction pressure adjusting air passage; the air passage switching driving piece controls the bypass air passage diaphragm to close and/or open the bypass air passage;
the bypass air passage diaphragm is arranged at the top end of the air passage switching driving piece;
the air suction pressure adjusting membrane is arranged at the top end of the air suction pressure adjusting driving piece.
Preferably, the inhalation valve body further comprises an exhaust grid for preventing contamination by the exhaust of gas exhaled by the patient into the interior of the ventilator.
Preferably, the suction pressure regulating airway is adapted to extend to the exhaust grille to communicate with the external environment.
Preferably, the mounting seat is fixed on the frame by means of screw fastening or clamping and the like.
Preferably, the number of the bypass air passages is at least one.
Preferably, the inhalation valve body further comprises a first spring, and the air passage switching driver and the bypass air passage diaphragm are connected by the first spring.
Preferably, the suction valve body further includes a second spring.
In addition, in order to achieve the above object, the present invention further provides a ventilator, the ventilator comprising a multifunctional inspiratory valve, the ventilator further comprising a filter, a pressure sensor and a control panel, wherein:
the filter is arranged on the exhaust grid;
the pressure sensor is arranged at the inlet of the main air passage and used for detecting the air passage pressure at the inlet of the main air passage;
the control panel is used for controlling the opening and/or closing of the air suction pressure adjusting driving piece and the air channel switching driving piece.
Preferably, the ventilator further comprises a power outlet.
Preferably, the ventilator further comprises an on-off button.
By adopting the technical scheme, the invention has the following technical effects: the noninvasive breathing mode and the noninvasive breathing mode of the breathing machine are integrated, and the breathing machine can be conveniently and rapidly used by patients.
Drawings
FIG. 1 is a schematic view of the multi-functional inhalation valve of the present invention;
FIG. 2 is a schematic view a of the gas path of the first embodiment of the multifunctional suction valve of the present invention;
FIG. 3 is a schematic diagram b of the air passage of the second embodiment of the multifunctional suction valve of the present invention;
FIG. 4 is a schematic view of the multifunctional inhalation valve of the present invention illustrating an exhalation mode c;
fig. 5 is a schematic structural diagram of a ventilator according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention mainly aims to provide a multifunctional inhalation valve and a respirator.
Referring to fig. 1, in the present embodiment, the multifunctional suction valve includes a suction valve body 1 and a mounting seat 2, the suction valve body is disposed on the mounting seat 2, and the suction valve body includes: a main airway 10, a bypass airway 20, an inhalation pressure regulating airway 30, a main airway diaphragm 101, a bypass airway diaphragm 201, and an inhalation pressure regulating diaphragm 301; mount pad 2 includes the driving piece, the driving piece is fixed in on mount pad 2, wherein:
the main air passage diaphragm 101 is installed in the main air passage 10;
the bypass air passage diaphragm 201 is arranged in the bypass air passage 20;
the suction pressure regulating diaphragm 301 is arranged in the suction pressure regulating airway 30;
the driving parts comprise the suction pressure adjusting driving part 212 and the air passage switching driving part 211, and the suction pressure adjusting driving part 212 is used for controlling the suction pressure adjusting diaphragm to close and/or open the suction pressure adjusting air passage 30; the air passage switching driver 211 controls the bypass air passage diaphragm 201 to close and/or open the bypass air passage 20.
In this embodiment, the inhalation valve body further comprises an exhaust grid 40, a first spring 202 and a second spring 302, wherein the exhaust grid 40 is used for preventing the gas exhaled by the patient from being exhausted into the interior of the machine to pollute the internal parts of the machine. The air channel switching drive 211 and the bypass air channel diaphragm 201 are connected by the first spring 202. Specifically, the mounting seat 2 is used for being fixed on a frame of a breathing machine to serve as a base of the inhalation valve, plays a role in restraining other components of the inhalation valve, and plays a role in fixing and supporting the main body of the inhalation valve. The suction valve body can be manually assembled and disassembled on the mounting seat 2. In addition, in the present embodiment, the mounting seat 2 has a mounting cavity, and when the suction valve body is mounted in the mounting cavity, the mounting cavity and the outer surface of the suction valve body form a suction pressure adjusting air passage 30. The suction pressure regulating airway 30 is adapted to extend to the exhaust grille 40 for communication with the external environment. The mounting seat 2 can be fixed on the frame by means of screw fastening or clamping and the like. The number of the bypass air passages 20 is at least one.
Specifically, the multifunctional inhalation valve comprises an inhalation valve main body, wherein a main air passage 10 and a bypass air passage 20 are arranged on the inhalation valve main body; further, a main air path diaphragm 101 is provided in the main air path 10; the bypass air passage 20 is provided with an air passage switching driving piece 211 and a bypass air passage diaphragm 201; the suction pressure adjusting airway 30 is provided with a suction pressure adjusting driver 212 and a suction pressure adjusting diaphragm 301. The inspiratory pressure regulating airway 30 is an exhaust airway that is used to relieve a portion of the main airway 10 when the inlet pressure to the main airway 10 exceeds a predetermined pressure threshold. The air channel switching driving piece 211 and the bypass air channel diaphragm 201 can also be connected by other means besides a spring; to meet the actual working requirements of the suction pressure adjusting driving member 212 and the air passage switching driving member 211 of the suction valve body 1.
In this embodiment, the air channel switching driving member 211 is preferably an air channel switching valve, and may also be an air channel switching electron body; bypass air flue diaphragm 201 is set up in the top of air flue switching drive piece. The suction pressure adjusting driving member 212 is preferably a suction pressure adjusting valve, and may also be a suction pressure adjusting driving electronic body; also, a suction pressure regulating diaphragm is provided at the tip of the suction pressure regulating valve. The provision of the main airway membrane 101 enables the patient to inhale air and/or oxygen from a source (not shown in figure 1) via the main airway in an invasive exhalation mode; because the non-invasive breathing mode adopts the airway with a single pipeline, the same airway is adopted in the inspiration process and the expiration process of the patient in the non-invasive ventilator;
referring to fig. 2 and 4, fig. 2 is a schematic diagram a of an air passage of a first embodiment of the multifunctional suction valve of the present invention; FIG. 4 is a schematic view of the multifunctional inhalation valve of the present invention illustrating an exhalation mode c; in the first embodiment, the main airway and the bypass airway are connected in parallel, so that when the airway switch driver is de-energized, gas pushes the main airway diaphragm 101 away via the main airway 10, delivering air and/or oxygen from a source (not shown in fig. 1) to the patient, completing the inhalation process; the normal breathing process of the human body comprises an inspiration process and an expiration process, and the inspiration process and the expiration process alternately appear, so that the normal breathing requirement of the human body can be met. It is concrete as shown in fig. 3, after the process of breathing in is accomplished, begin to be in the expiration process, the air flue switches the driving piece and begins the circular telegram, because the gas (gas such as carbon dioxide) of patient's exhalation can't push away main air flue diaphragm 101 through main air flue 10, can only switch the driving piece circular telegram through the air flue, just can switch driving piece and bypass air flue 20 through the air flue and discharge the expiration, thereby accomplish the process of exhaling, realized no matter the process of breathing in or the process of exhaling all can realize through main air flue 10, when patient exhales, switch driving piece through control air flue and push away bypass air flue diaphragm 201, make things convenient for in the gas gets into bypass air flue 20, thereby exhale away gas through main air flue 10. Therefore, the requirement of practical application of a noninvasive breathing mode or an invasive breathing mode is met through the arrangement of the multifunctional inhalation valve gas path schematic diagram a.
Referring to fig. 3 and 4, fig. 3 is a schematic diagram b of an air passage of a second embodiment of the multifunctional suction valve of the present invention; FIG. 4 is a schematic view of the multifunctional inhalation valve of the present invention showing the exhalation mode c. In a second embodiment, the primary and bypass airways are in a selective relationship; when the air passage switching driving piece is not electrified, the air pushes away the main air passage membrane 101 through the main air passage 10, and the air is sent to the lung of a patient through the main air passage 10, so that the inspiration process is realized; during the exhalation process, the bypass diaphragm 201 is switched to the bypass airway 20 by controlling the airway switching driving member, and the gas enters the bypass airway and is exhaled. Therefore, the requirement of practical application of a noninvasive breathing mode or an invasive breathing mode is met through the arrangement of the multifunctional inspiratory valve gas path schematic diagram b.
The invention also provides a breathing machine.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a ventilator according to the present invention.
In this embodiment, the ventilator includes inhalation valve body 1 and mount 2, and further includes filter 3, pressure sensor 4 and control panel 5, wherein:
the filter 3 is arranged on the exhaust grid 40 and used for blocking external environment dust and impurities from entering the suction pressure regulating air passage 30;
the pressure sensor 4 is arranged at the inlet of the main air passage 10 and used for detecting the air passage pressure at the inlet of the main air passage 10;
the control panel 5 is used for controlling the opening and/or closing of the air channel switching driving member 211 and the suction pressure adjusting driving member 212.
Specifically, the respirator comprises a multifunctional inhalation valve, a filter 3, a pressure sensor 4, a control panel 5, an air source, an electric power socket 6 and a switch button 7. The pressure sensor 4 is arranged at the inlet of the main air duct 10, that is, the pressure sensor 4 is used for detecting the pressure of the air source at the port of the main air duct 10 to obtain the value of the inspiration pressure at the port of the main air duct 10, when the pressure at the position exceeds a preset pressure threshold value, the control panel 5 controls the inspiration pressure adjusting driving piece to be electrified, and the inspiration pressure adjusting driving piece jacks the inspiration pressure adjusting diaphragm, so that part of the air is exhausted from the exhaust air duct, and the requirement of normal inspiration of the patient is met. When the pressure at the position does not exceed the preset threshold value, the control panel 5 controls the suction pressure adjusting driving piece to stop electrifying, so that the suction pressure adjusting driving piece stops ejecting the suction pressure adjusting diaphragm, and partial gas cannot be discharged from the exhaust gas channel. In the present embodiment, the pressure sensor 4, the air source and the control panel 5 are preferably connected in an electrical signal feedback manner, so as to adjust the opening and/or closing of the suction pressure adjusting driving member. In addition, the tail end of the air suction pressure adjusting air passage is also provided with a filter 3. The filter 3 is arranged to prevent the entry of dust, germs or other suspended microorganisms from the outside, improving the hygienic index of the patient's breathing.
The power socket 6 is preferably arranged in the rear shell of the respirator for connecting the respirator to an external power grid, and the respirator further comprises a power cord and a power adapter (neither power cord nor power adapter is shown in the figure). The inhalation valve of the respirator can be electrically connected with an external power supply through the power socket 6, the power line and the power adapter, and is convenient to use.
The switch button 7 is arranged on the upper surface of the respirator and is used for controlling the opening and closing of the respirator; when the user uses the inhalation valve, the function can be realized by opening the switch button 7; this function can be realized by turning off the switch knob 7 after the user finishes using it.
By adopting the technical scheme, the invention has the following technical effects: the noninvasive breathing mode and the noninvasive breathing mode of the breathing machine are integrated, and the breathing machine can be conveniently and quickly used by patients.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a multi-functional suction valve, its characterized in that, multi-functional suction valve includes suction valve main part and mount pad, the suction valve main part set up in on the mount pad, the suction valve main part includes: the mounting seat comprises a driving piece, the driving piece is fixed on the mounting seat, wherein:
the main air channel diaphragm is arranged in the main air channel;
the bypass air passage diaphragm is arranged in the bypass air passage;
the driving piece comprises an air suction pressure adjusting driving piece and an air passage switching driving piece, wherein the air suction pressure adjusting driving piece is used for controlling an air suction pressure adjusting diaphragm to close and open an air suction pressure adjusting air passage;
the bypass air passage diaphragm is arranged at the top end of the air passage switching driving piece;
the air suction pressure adjusting membrane is arranged at the top end of the air suction pressure adjusting driving part;
the number of the bypass air passages is at least one;
in a non-invasive breathing mode, the air passage switching driving piece controls the bypass air passage diaphragm to open the bypass air passage, and in the exhalation process, the gas exhaled by the patient reaches the main air passage through the bypass air passage;
the inhalation valve main body also comprises an exhaust grid, and the exhaust grid is used for preventing the gas exhaled by the patient from being exhausted into the respirator to cause pollution.
2. The multi-functional inhalation valve of claim 1, wherein said inhalation pressure regulating airway is adapted to extend to said exhaust grille in communication with the external environment.
3. The multifunctional suction valve according to claim 1, wherein said mounting seat is fixed to the frame by means of screw fastening or snap-fitting.
4. The multi-functional inhalation valve of claim 1, wherein said inhalation valve body further comprises a first spring, said airway switch drive and bypass airway diaphragm being connected by said first spring.
5. The multi-functional suction valve of claim 1, wherein the suction valve body further comprises a second spring.
6. A ventilator comprising the multifunctional inhalation valve of any of claims 1 to 5, further comprising a filter, a pressure sensor, and a control panel, wherein:
the filter is arranged on the exhaust grid;
the pressure sensor is arranged at the inlet of the main air passage and used for detecting the air passage pressure at the inlet of the main air passage;
the control panel is used for controlling the opening and closing of the air suction pressure adjusting driving piece and the air passage switching driving piece.
7. The ventilator of claim 6, further comprising a power outlet.
8. The ventilator of claim 6, further comprising an on-off button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676197.4A CN107308531B (en) | 2017-08-09 | 2017-08-09 | Breathing machine and multifunctional inspiration valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676197.4A CN107308531B (en) | 2017-08-09 | 2017-08-09 | Breathing machine and multifunctional inspiration valve thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107308531A CN107308531A (en) | 2017-11-03 |
| CN107308531B true CN107308531B (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710676197.4A Active CN107308531B (en) | 2017-08-09 | 2017-08-09 | Breathing machine and multifunctional inspiration valve thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208097083U (en) * | 2017-08-09 | 2018-11-16 | 深圳融昕医疗科技有限公司 | Inlet valve and ventilator with bypass air flue |
| DE102019104985A1 (en) * | 2018-03-08 | 2019-09-12 | Löwenstein Medical Technology S.A. | Ventilator with switching valve |
| DE112019003439A5 (en) * | 2018-07-06 | 2021-03-18 | Löwenstein Medical Technology S.A. | Gas control device for a ventilator |
| CN112638457B (en) * | 2018-07-06 | 2024-04-09 | 律维施泰因医学技术股份有限公司 | Non-refitted gas control device for artificial respirator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2449980A (en) * | 2007-06-04 | 2008-12-10 | Intersurgical Ag | T-piece for respiratory apparatus |
| CN103182137A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Gas control valve |
| CN105617527A (en) * | 2014-11-06 | 2016-06-01 | 深圳迈瑞生物医疗电子股份有限公司 | Safety valve and breathing apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9144653B2 (en) * | 2007-03-21 | 2015-09-29 | Resmed Paris Sas | Passive gas regulating valve for a respiratory system |
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2017
- 2017-08-09 CN CN201710676197.4A patent/CN107308531B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2449980A (en) * | 2007-06-04 | 2008-12-10 | Intersurgical Ag | T-piece for respiratory apparatus |
| CN103182137A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Gas control valve |
| CN105617527A (en) * | 2014-11-06 | 2016-06-01 | 深圳迈瑞生物医疗电子股份有限公司 | Safety valve and breathing apparatus |
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| CN107308531A (en) | 2017-11-03 |
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