CN108578853A - A kind of first-aid lung ventilator - Google Patents

A kind of first-aid lung ventilator Download PDF

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Publication number
CN108578853A
CN108578853A CN201810179541.3A CN201810179541A CN108578853A CN 108578853 A CN108578853 A CN 108578853A CN 201810179541 A CN201810179541 A CN 201810179541A CN 108578853 A CN108578853 A CN 108578853A
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CN
China
Prior art keywords
gas
main body
circuit control
valve
breathing
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Application number
CN201810179541.3A
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Chinese (zh)
Inventor
马奔腾
王冬宇
李世河
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马奔腾
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Priority to CN201810179541.3A priority Critical patent/CN108578853A/en
Publication of CN108578853A publication Critical patent/CN108578853A/en
Withdrawn legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1005Preparation of respiratory gases or vapours with O2 features or with parameter measurement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/105Filters
    • A61M16/106Filters in a path
    • A61M16/107Filters in a path in the inspiratory path
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/10Preparation of respiratory gases or vapours
    • A61M16/1075Preparation of respiratory gases or vapours by influencing the temperature
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/20Valves specially adapted to medical respiratory devices
    • A61M16/201Controlled valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M16/00Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
    • A61M16/0003Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3334Measuring or controlling the flow rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/36General characteristics of the apparatus related to heating or cooling

Abstract

The invention belongs to medical instruments fields, specifically a kind of first-aid lung ventilator, including circuit control panel, main valve, oxygen concentration regulating valve, valve seat, oxygen hose, Vent Module and breathing module, circuit control panel is horizontally disposed, and circuit control panel is used to control the circuit of whole system;Main valve and oxygen concentration regulating valve are installed on valve seat and by the right side on connection to circuit control panel and positioned at circuit control panel;Oxygen hose is connect with seat bottom portion, and oxygen hose is for being passed through oxygen into device;Vent Module is located at the right side of oxygen hose, and Vent Module is used to be passed through gas to human lung;Breathing module is located at the right side of Vent Module, and breathing module is used to adjust the breathing process of human lung.Present invention is mainly used for first aid respirator is carried out to patient under dangerous situation, the safety and comfort level that device uses are greatly improved by the way that filter and heating plate is arranged.

Description

A kind of first-aid lung ventilator
Technical field
The invention belongs to medical instruments field, specifically a kind of first-aid lung ventilator.
Background technology
Since first aid breathing is needed in outdoor carrying and use, this just needs first-aid respirator to must satisfy two conditions:1 Volume is small as possible;2 have preferable stability in harsh environment.Outlet valve maintains to exhale in air-breathing, expiration and expiration end Gas end positive pressure Positive End Expiratory Pressure, PEEP values play an important role.Under the prior art, it exhales Air valve generally use electromagnet controls, but has some limitations:First, in order to ensure that stability, electromagnet require That does is bigger, and which limits the uses on Portable emergency breath machine;Secondly, electromagnet is not sufficiently stable, especially It cannot accurate, stabilization control PEEP.
In consideration of it, a kind of first-aid lung ventilator of the present invention, can be sent oxygen and air by corrugated hose Into human respiratory tract, meanwhile, by the way that filter and heating plate is arranged, keep patient respiration process comfortable and safe.
Invention content
In order to make up for the deficiencies of the prior art, the present invention proposes a kind of first-aid lung ventilator, present invention is mainly used for Patient's supply of breathing is given in medical first aid.The present invention is by circuit control panel control bound and the work of oxygen concentration regulating valve to adjust Section enters the oxygen concentration of human respiratory tract, then realizes exhaling for human body by Vent Module and cooperating with each other for breathing module Work is inhaled, the structure of the present invention is simplified.
The technical solution adopted by the present invention to solve the technical problems is:A kind of first-aid lung ventilator of the present invention Including circuit control panel, main valve, oxygen concentration regulating valve, valve seat, oxygen hose, Vent Module and breathing module, the circuit control Plate level arranges that circuit control panel is used to control the circuit of whole system;The main valve and oxygen concentration regulating valve are arranged in circuit The right side of control panel, oxygen concentration regulating valve are located at the top of main valve;The valve seat is arranged in the right side of main valve, main valve and oxygen concentration Regulating valve is installed on valve seat and by connection to circuit control panel so that circuit control panel can control bound and The action of oxygen concentration regulating valve;The oxygen hose is connect with seat bottom portion, and oxygen hose is for being passed through oxygen into device for disease People breathes;The Vent Module is located at the right side of oxygen hose, and Vent Module is used to be passed through gas to human lung;The breathing mould Block is located at the right side of Vent Module, and breathing module is used to adjust the breathing process of human lung.
The Vent Module include gas circuit control main body, oxygen nozzle, air intake, No.1 gas vent, check valve and No. two gas vents, the gas circuit control main body are cuboid, and gas circuit control main body left end is fixedly connected with valve seat, gas circuit control There are one gas passages for body interior formation, and gas passage has two ports being oppositely arranged, and two ports are from left to right It tapers into;Oxygen nozzle is set inside the gas passage, and oxygen nozzle is connect with valve seat;A left side for the gas circuit control main body Air intake is arranged in end top, and air intake is connected with gas passage, and air intake enters gas circuit for air and controls main body It is internal;No.1 gas vent is set above the right end of the gas circuit control main body, No.1 gas vent controls main body for gas circuit The outflow of internal gas;Check valve is installed, check valve is located at the right side of No.1 gas vent, and check valve is used in the gas passage It is interfered in preventing the gas of characteristics of contaminated respiratory droplets from entering in gas circuit control main body;No. two gases are arranged in the right side of the check valve Outlet, No. two gas vents are used for the circulation of gas, when work, are controlled in main body to gas circuit by oxygen hose and are passed through oxygen, oxygen Gas is injected to gas circuit by oxygen nozzle and controls in main body, becomes smaller since gas flow rate makes gas circuit control the pressure in main body, empty Gas is pressed into gas circuit control main body, and a part of gas passes through No.1 gas vent, and another part gas goes out by No. two gases Mouthful.
The breathing module includes breathing main body, connecting spring, block, air bag, air inlet, gas outlet, plug and breathing Pipeline, the breathing main body are cuboid, and breathing main body top layer inner vertical opens up groove upwards and level opens up No.1 through-hole, No.1 through-hole is located at the lower section of groove;Connecting spring is set in the groove, the left end of connecting spring and the left side of groove connect, The other end of connecting spring connects block;Air bag is arranged in the block and the intermediate of the groove rightmost side, and air bag is in contact with block; The leftmost side of the No.1 through-hole is arranged air inlet, and air inlet is used into breathing main body be passed through gas, No.1 through-hole it is most right Gas outlet is arranged in side, and gas outlet is used for the discharge of exhaled gas;Plug is arranged in the by-level of the No.1 through-hole and groove, Plug is what two positive six terrace with edges were formed by stacking, and plug is connect with block;The breathing body interior center vertical opens up No. two Through-hole, No. two through-holes are connected with No.1 through-hole;The air inlet is connect with No. two gas vents by corrugated hose;Work When, a part of gas enters breathing body interior from No. two air inlets by pipeline by check valve by air inlet, a part Gas is reached by pipeline in air bag from No.1 gas vent, and air bag is stretched, and air bag pushes block and connecting spring to transport to the left Dynamic, block drives plug to move downward to block No. two through-holes, and people carries out air-breathing in the end of No. two through-holes, and block continues It moves downward, at the end of air-breathing is fast, air bag continues inflation and plug is pushed to block air inlet;Then human body starts to exhale, gas It is discharged by gas outlet, at the end of exhaling soon, air bag deflation, plug moves to gas outlet under the elastic force effect of connecting spring will Gas outlet is blocked, and is formed positive pressure in breathing end, can be prevented lung's bubble.
Filter is installed, filter is used to remove objectionable impurities, the raisings such as the dust in air and sets on the air intake Standby safety.
Heating plate is set inside the gas circuit control main body entity, and heating plate, which is used to gas circuit controlling the gas in main body, to be added Heat facilitates people's use device in cold environments, improves the comfort level of human body respiration.
Flow monitor is equipped in the air inlet and gas outlet, flow monitor is used to monitor the flowing of air, from And judging the cut off that patient exhales with air-breathing, flow monitor is electrically connected with circuit control panel.
Solenoid valve is equipped between the No.1 gas vent and air bag, solenoid valve is electrically connected with circuit control panel, solenoid valve Deflation for controlling air bag, the flow monitor are used to control the break-make of solenoid valve.
The inner cavity of the gas circuit control main body is equipped with spiral vane, and oxygen nozzle is along the tangential tangent line side of spiral vane To arrangement, spiral vane can realize being sufficiently mixed for oxygen and air, and the air-flow of spiral can increase gas circuit control main body Inner cavity negative pressure, be conducive to the sucking of air.
The beneficial effects of the invention are as follows:
1. a kind of first-aid lung ventilator of the present invention, the present invention is dense by the way that circuit control panel, main valve and oxygen is arranged It spends regulating valve control and changes the gas componant for entering gas circuit control main body, gas respectively enters air bag and breathing end, by logical Gas module and breathing module cooperate with each other, and successfully realize the air-breathing process of patient, and air-breathing is fast at the end of, air bag after Continuous inflation pushes plug to block air inlet;Then human body starts to exhale, and gas is discharged by gas outlet, at the end of exhaling soon, Air bag deflation, plug move to gas outlet under spring force effect and block gas outlet, form positive pressure in breathing end, can prevent Only lung's bubble.
2. a kind of first-aid lung ventilator of the present invention, the present invention by the way that the filter on air intake is arranged, Air is filtered the impurity in air before entering breathing body interior, and the quality of gas in respiratory can be improved, carry The safety that high equipment uses.
3. a kind of first-aid lung ventilator of the present invention, the present invention controls the heating of body interior by the way that gas circuit is arranged Plate can heat to entering the gas inside device, patient is facilitated to use in cold environments, and raising device uses comfortable Property.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the present invention;
In figure:Circuit control panel 1, main valve 2, oxygen concentration regulating valve 3, valve seat 4, oxygen hose 5, Vent Module 6 and breathing mould 65, No. two block 7, gas circuit control main body 61, oxygen nozzle 62, air intake 63, No.1 gas vent 64, check valve gas vents 66, main body 71, connecting spring 72, block 73, air bag 74, air inlet 75, gas outlet 76, plug 77, corrugated hose 78, mistake are breathed Filter 631, heating plate 611.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Specific implementation mode is closed, the present invention is further explained.
As shown in Figure 1, a kind of first-aid lung ventilator of the present invention includes circuit control panel 1, main valve 2, oxygen concentration Regulating valve 3, valve seat 4, oxygen hose 5, Vent Module 6 and breathing module 7, the circuit control panel 1 is horizontally disposed, circuit control panel 1 circuit for controlling whole system;The main valve 2 and oxygen concentration regulating valve 3 are arranged on the right side of circuit control panel 1, and oxygen is dense Degree regulating valve 3 is located at the top of main valve 2;The valve seat 4 is arranged on the right side of main valve 2, and main valve 2 and oxygen concentration regulating valve 3 are pacified On valve seat 4 and by connection to circuit control panel 1 so that circuit control panel 1 being capable of control bound 2 and oxygen concentration The action of regulating valve 3;The oxygen hose 5 is connect with 4 bottom of valve seat, and oxygen hose 5 is for being passed through oxygen into device for patient Breathing;The Vent Module 6 is located at the right side of oxygen hose 5, and Vent Module 6 is used to be passed through gas to human lung;The breathing Module 7 is located at the right side of Vent Module 6, and breathing module 7 is used to adjust the breathing process of human lung.
The Vent Module 6 include gas circuit control main body 61, oxygen nozzle 62, air intake 63, No.1 gas vent 64, Check valve 65 and No. two gas vents 66, the gas circuit control main body 61 is cuboid, and gas circuit controls 61 left end of main body and valve seat 4 It being fixedly connected, gas circuit controls 61 inside of main body and is formed there are one gas passage, and gas passage has two ports being oppositely arranged, And two ports taper into from left to right;Oxygen nozzle 62 is set inside the gas passage, and oxygen nozzle 62 connects with valve seat 4 It connects;Air intake 63 is set above the left end of the gas circuit control main body 61, air intake 63 is connected with gas passage, air Entrance 63 enters for air inside gas circuit control main body 61;No.1 gas is set above the right end of the gas circuit control main body 61 Outlet 64, outflow of the No.1 gas vent 64 for gas circuit control 61 internal gas of main body;Installation is unidirectional in the gas passage Valve 65, check valve 65 are located at the right side of No.1 gas vent 64, and check valve 65 is for preventing the gas of characteristics of contaminated respiratory droplets from entering gas It is interfered in road control main body 61;No. two gas vents 66 are arranged in the right side of the check valve 65, and No. two gas vents 66 are used When the circulation of gas, work, is controlled in main body 61 to gas circuit by oxygen hose 5 and be passed through oxygen, oxygen passes through oxygen nozzle 62 It is injected in gas circuit control main body 61, becomes smaller since gas flow rate makes gas circuit control the pressure in main body 61, air is pressed into gas Road controls in main body 61, and a part of gas passes through No.1 gas vent 64, and another part gas passes through No. two gas vents 66.
The breathing module 7 includes breathing main body 71, connecting spring 72, block 73, air bag 74, air inlet 75, gas outlet 76, plug 77 and corrugated hose 78, the breathing main body 71 are cuboid, and breathing 71 top layer inner vertical of main body opens up recessed upwards Slot and level open up No.1 through-hole, and No.1 through-hole is located at the lower section of groove;Connecting spring 72, connecting spring are set in the groove 72 left end and the left side of groove connect, and the other end of connecting spring 72 connects block 73;The block 73 and the groove rightmost side It is intermediate air bag 74 is set, air bag 74 is in contact with block 73;Air inlet 75, air inlet is arranged in the leftmost side of the No.1 through-hole 75 for being passed through gas into breathing main body 71, and gas outlet 76 is arranged in the rightmost side of No.1 through-hole, and gas outlet 76 is used for expiratory air The discharge of body;The by-level of the No.1 through-hole and groove is arranged plug 77, plug 77 for two positive six terrace with edges superpositions and At, plug 77 is connect with block 73;71 inside center of breathing main body opens up No. two through-holes, No. two through-holes and No.1 vertically Through-hole is connected;The air inlet 75 is connect with No. two gas vents 66 by corrugated hose 78;When work, a part of gas warp It crosses check valve 65 by pipeline to enter inside breathing main bodys 71 by air inlets 75 from No. two air inlets 75, a part of gas is from one Number gas vent 64 is reached by pipeline in air bag 74, and air bag 74 is stretched, air bag 74 push block 73 and connecting spring 72 to Left movement, block 73 drive plug 77 to move downward to block No. two through-holes, and people carries out air-breathing in the end of No. two through-holes, Block 73 continues to move downward, and at the end of air-breathing is fast, air bag 74 continues inflation and plug 77 is pushed to block air inlet 75;Then people Body starts to exhale, and gas is discharged by gas outlet 76, and at the end of exhaling soon, air bag 74 is deflated, and plug 77 is in connecting spring 72 Gas outlet 76 is moved under elastic force effect to block gas outlet 76, is formed positive pressure in breathing end, can be prevented lung's bubble.
Filter 631 is installed, it is harmful miscellaneous that filter 631 is used to remove dust in air etc. on the air intake 63 Matter improves the safety of equipment.
Heating plate 611 is set inside gas circuit control 61 entity of main body, and heating plate 611 is used to gas circuit controlling main body 61 Interior gas heating, facilitates people's use device in cold environments, improves the comfort level of human body respiration.
Flow monitor is equipped in the air inlet 75 and gas outlet 76, flow monitor is used to monitor the stream of air It is dynamic, to judge that patient exhales and the cut off of air-breathing, flow monitor are electrically connected with circuit control panel 1.
Solenoid valve is equipped between the No.1 gas vent 64 and air bag 74, solenoid valve is electrically connected with circuit control panel 1, electricity Magnet valve is used to control the deflation of air bag 74, and the flow monitor is used to control the break-make of solenoid valve.
The inner cavity of the gas circuit control main body 61 is equipped with spiral vane, and oxygen nozzle 62 is cut along the tangential of spiral vane Line direction arranges that spiral vane can realize being sufficiently mixed for oxygen and air, and the air-flow of spiral can increase gas circuit control The negative pressure of the inner cavity of main body 61 is conducive to the sucking of air.
When work, is controlled in main body 61 to gas circuit by oxygen hose 5 and be passed through oxygen, oxygen is injected to by oxygen nozzle 62 Gas circuit control main body 61 in, due to gas flow rate make gas circuit control main body 61 in air intake 63 at formed negative pressure, air from Air intake 63 is pressed into gas circuit control main body 61, and a part of gas is by check valve 65 and No. two gas vents 66 by exhaling Suction pipe road 78 is entered from air inlet 75 inside breathing main body 71, and due to the effect of check valve 65, exhaust gas cannot be introduced into gas circuit It controlling inside main body 61, another part gas is reached by pipeline in air bag 74 from No.1 gas vent 64, and air bag 74 is stretched, Air bag 74 pushes block 73 and connecting spring 72 to move downward, and block 73 drives plug 77 to move downward, and people is in No. two through-holes End carries out air-breathing.
At the end of air-breathing is fast, air bag 74 continues inflation and plug 77 is pushed to block air inlet 75;Then human body starts to exhale, Gas is discharged by gas outlet 76, and at the end of exhaling soon, air bag 74 is deflated, and plug 77 is transported under the elastic force effect of connecting spring 72 It moves to gas outlet 76 and blocks gas outlet 76, form positive pressure in breathing end, lung's bubble can be prevented.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle It is fixed.

Claims (8)

1. a kind of first-aid lung ventilator, it is characterised in that:Including circuit control panel (1), main valve (2), oxygen concentration regulating valve (3), valve seat (4), oxygen hose (5), Vent Module (6) and breathing module (7), the circuit control panel (1) is horizontally disposed, circuit Control panel (1) is used to control the circuit of whole system;The main valve (2) and oxygen concentration regulating valve (3) are arranged in circuit control panel (1) right side, oxygen concentration regulating valve (3) are located at the top of main valve (2);Valve seat (4) setting is in the right side of main valve (2), master Valve (2) and oxygen concentration regulating valve (3) are installed on valve seat (4) and by connection to circuit control panel (1);The oxygen Tracheae (5) is connect with valve seat (4) bottom, and oxygen hose (5) is for being passed through oxygen into device;The Vent Module (6) is located at oxygen The right side of tracheae (5), Vent Module (6) are used to be passed through gas to human lung;The breathing module (7) is located at Vent Module (6) right side, breathing module (7) are used to adjust the breathing process of human lung.
2. a kind of first-aid lung ventilator according to claim 1, it is characterised in that:The Vent Module (6) includes gas Road controls main body (61), oxygen nozzle (62), air intake (63), No.1 gas vent (64), check valve (65) and No. two gas Body exports (66), and it is cuboid that the gas circuit, which controls main body (61), and gas circuit controls main body (61) left end and the fixed company of valve seat (4) It connects, gas circuit, which controls, to be formed inside main body (61) there are one gas passage, and gas passage has two ports being oppositely arranged, and two A port tapers into from left to right;Setting oxygen nozzle (62) inside the gas passage, oxygen nozzle (62) and valve seat (4) Connection;Setting air intake (63), air intake (63) and gas passage phase above the left end of the gas circuit control main body (61) Connection, air intake (63) enter gas circuit control main body (61) inside for air;The right end of the gas circuit control main body (61) No.1 gas vent (64), outflow of the No.1 gas vent (64) for gas circuit control main body (61) internal gas is arranged in top; Installation check valve (65), check valve (65) are located at the right side of No.1 gas vent (64), check valve (65) in the gas passage It is interfered for preventing the gas of characteristics of contaminated respiratory droplets from entering in gas circuit control main body (61);It is set on the right side of the check valve (65) No. two gas vents (66) are set, No. two gas vents (66) are used for the circulation of gas.
3. a kind of first-aid lung ventilator according to claim 2, it is characterised in that:The breathing module (7) includes exhaling It inhales main body (71), connecting spring (72), block (73), air bag (74), air inlet (75), gas outlet (76), plug (77) and exhales Suction pipe road (78), the breathing main body (71) are cuboid, and breathing main body (71) top layer inner vertical opens up groove and water upwards It is opened flat and sets No.1 through-hole, No.1 through-hole is located at the lower section of groove;Connecting spring (72), connecting spring (72) are set in the groove Left end and the left side of groove connect, the other end of connecting spring (72) connection block (73);The block (73) and groove are most The intermediate setting air bag (74) on right side, air bag (74) are in contact with block (73);Air inlet is arranged in the leftmost side of the No.1 through-hole Mouth (75), air inlet (75) are used into breathing main body (71) be passed through gas, and gas outlet (76) are arranged in the rightmost side of No.1 through-hole, Gas outlet (76) is used for the discharge of exhaled gas;Plug (77), plug is arranged in the by-level of the No.1 through-hole and groove (77) it is what two positive six terrace with edges were formed by stacking, plug (77) is connect with block (73);Breathing main body (71) inside center No. two through-holes are opened up vertically, No. two through-holes are connected with No.1 through-hole;The air inlet (75) is logical with No. two gas vents (66) Cross corrugated hose (78) connection.
4. a kind of first-aid lung ventilator according to claim 2, it is characterised in that:It is installed on the air intake (63) Filter (631), filter (631) are used to remove the objectionable impurities such as the dust in air.
5. a kind of first-aid lung ventilator according to claim 2, it is characterised in that:The gas circuit control main body (61) is real Internal portion's setting heating plate (611), heating plate (611) are used to heat the gas in gas circuit control main body (61), facilitate people Use device in cold environments improves the comfort level of human body respiration.
6. a kind of first-aid lung ventilator according to claim 3, it is characterised in that:The air inlet (75) and gas outlet (76) flow monitor is equipped in, flow monitor is used to monitor the flowing of air, to judge that patient exhales and air-breathing Cut off, flow monitor are electrically connected with circuit control panel (1).
7. a kind of first-aid lung ventilator according to claim 6, it is characterised in that:The No.1 gas vent (64) with Solenoid valve is equipped between air bag (74), solenoid valve is electrically connected with circuit control panel (1), and solenoid valve is for controlling putting for air bag (74) Gas, the flow monitor are used to control the break-make of solenoid valve.
8. a kind of first-aid lung ventilator according to claim 2, it is characterised in that:The gas circuit control main body (61) Inner cavity is equipped with spiral vane, and oxygen nozzle (62) arranges that spiral vane can be real along the tangential tangential direction of spiral vane Existing oxygen and air are sufficiently mixed, and increase negative pressure.
CN201810179541.3A 2018-03-05 2018-03-05 A kind of first-aid lung ventilator Withdrawn CN108578853A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110811577A (en) * 2019-11-18 2020-02-21 长春大学 Human respiratory system's analogue means
CN112107807A (en) * 2020-08-27 2020-12-22 杭州创威实业股份有限公司 Oxygen-enriched dust mask for plateau tunnel

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* Cited by examiner, † Cited by third party
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CN110811577A (en) * 2019-11-18 2020-02-21 长春大学 Human respiratory system's analogue means
CN112107807A (en) * 2020-08-27 2020-12-22 杭州创威实业股份有限公司 Oxygen-enriched dust mask for plateau tunnel

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