CN216091759U - Portable full-automatic miniature respirator - Google Patents
Portable full-automatic miniature respirator Download PDFInfo
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- CN216091759U CN216091759U CN202121873389.2U CN202121873389U CN216091759U CN 216091759 U CN216091759 U CN 216091759U CN 202121873389 U CN202121873389 U CN 202121873389U CN 216091759 U CN216091759 U CN 216091759U
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- 238000009423 ventilation Methods 0.000 claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims abstract description 5
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 37
- 210000000214 mouth Anatomy 0.000 claims description 27
- 238000004146 energy storage Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 6
- 210000002409 epiglottis Anatomy 0.000 claims description 3
- 210000000887 face Anatomy 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 238000002680 cardiopulmonary resuscitation Methods 0.000 description 10
- 206010049418 Sudden Cardiac Death Diseases 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 208000014221 sudden cardiac arrest Diseases 0.000 description 6
- 208000001705 Mouth breathing Diseases 0.000 description 4
- 206010006322 Breath holding Diseases 0.000 description 3
- 206010021143 Hypoxia Diseases 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
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- 230000000241 respiratory effect Effects 0.000 description 3
- 208000003443 Unconsciousness Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000004083 survival effect Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 208000010496 Heart Arrest Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 206010038669 Respiratory arrest Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000008312 Tooth Loss Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
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- 239000004020 conductor Substances 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
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- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 210000005181 root of the tongue Anatomy 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
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Abstract
The utility model discloses a portable full-automatic miniature respirator, which comprises: the entry breathes unit, ventilation control unit and electronic air feed unit, wherein ventilation control unit includes first air duct (2) with electronic air pump (9) intercommunication, and differential pressure sensor (21) and absolute pressure sensor (22) that communicate respectively with first air duct (2), controller (23) that link to each other with the sensor electricity, electronic air feed unit is including the power supply subassembly that provides the electric energy and the air feed subassembly by its power supply, and the air feed subassembly includes: an electric air pump (9), an oxygen interface (11), an air filter (14) and a three-way electric proportional valve (12) which is electrically connected with a controller (23) among the three. The utility model can solve the problems of complicated manual ventilation operation, uncertain effect and the like in the conventional CPR process.
Description
Technical Field
The utility model relates to the technical field of medical instruments.
Background
With the progress of society and the development of medical technology, the emergency treatment and rescue method and means which harm the life and property disasters of society are widely regarded by society at home and abroad. Sudden Cardiac Arrest (CA) refers to sudden cessation of cardiac pump function and effective circulation, resulting in interruption of systemic blood circulation, cessation of breathing, and loss of consciousness; sudden cardiac arrest causes severe ischemia, hypoxia and metabolic disturbance of various vital organs of the human body, and is the primary direct factor of sudden cardiac death.
Sudden cardiac arrest, the loss of consciousness can occur within 10 seconds, and rescue in time of minutes and seconds is needed. 4-6 minutes is the accepted gold window time: effective treatment is carried out in the time, about half of patients can survive; if the survival rate is over 6 minutes, the survival rate is reduced to below 4 percent. It is therefore self-evident that the importance and urgency of the emergency method, the level of tools is increased.
Cardiopulmonary resuscitation (CPR) is a standard first aid to deal with sudden cardiac arrest, and timely, high quality CPR is of great importance in saving life. The core steps of CPR can be summarized by C-a-B: namely chest Compression (Compression), Airway opening (air) and artificial respiration (Breathing). After sudden cardiac arrest, the rescuer should apply standard chest compressions to the patient immediately, at a frequency of 100-. The airway is opened by lifting the chin up or by the chin rest method, followed by artificial ventilation of the patient. The compression to ventilation ratio was 30: 2, i.e. 2 ventilations after each 30 compressions. Prior to the establishment of advanced airways (e.g. endotracheal intubation) by healthcare professionals, artificial ventilation consists mainly of mouth-to-mouth breathing and balloon-mask ventilation.
Therefore, in the current CPR system, compared with the chest compression link, the training and operation are convenient, the manual ventilation link is complex to operate, the effect needs to be improved urgently, and the following problems and hidden dangers may exist in the concrete analysis:
(1) a rescuer, especially a layperson, applies the mouth-to-mouth breathing to other people whether or not there is a conflicting emotion;
(2) the patient may have infectious diseases, and whether mouth-to-mouth breathing may harm the health of the rescuers;
(3) a rescuer may wear a mask, an isolation mask, etc., which significantly hinders the implementation and effect of mouth-to-mouth breathing;
(4) the correct and effective airway opening and artificial respiration operation are difficult to realize, and non-professionals are difficult to ensure that the operation achieves satisfactory effect;
(5) the rescuer needs to give consideration to chest compression and manual ventilation at the same time, and the reciprocating operation weakens the physical strength and energy of the rescuer, so that the overall quality of CPR is reduced;
(6) at present, the balloon-mask is not popularized in the society as a common rescue tool, and is not easy to obtain when people need to ventilate in a non-hospital environment;
(7) balloon-mask ventilation generally requires 1-2 additional rescuers to be specially responsible for operation, so that the hidden danger of insufficient manpower exists.
Based on the problems, the fully-automatic apparatus special for assisting artificial ventilation in CPR is designed, the artificial ventilation effect is guaranteed, and the energy of rescue workers is relieved, so that the CPR success rate is remarkably improved, and equipment for saving lives is urgently needed.
Disclosure of Invention
The utility model aims to provide a portable full-automatic miniature respirator capable of replacing artificial respiration, and aims to solve the problems of complicated artificial ventilation operation, uncertain effect and the like in the conventional CPR process.
The technical scheme of the utility model is as follows:
a portable, fully automatic miniature respirator, comprising: the device comprises an inlet breathing unit for supplying oxygen and/or oxygen-containing air into a human body and discharging waste gas out of the human body, a ventilation control unit and an electric air supply unit, wherein the ventilation control unit comprises a ventilation assembly and a control assembly, the ventilation assembly comprises a first air duct 2 communicated with an electric air pump 9 in the electric air supply unit, a differential pressure sensor 21 and an absolute pressure sensor 22 which are respectively communicated with the first air duct 2, and the control assembly comprises a controller 23 which is electrically connected with the sensors and a power switch 19; electronic air supply unit include with switch 19 electricity links to each other, provides the power supply unit of electric energy and carries out the air feed subassembly that supplies power by the power supply unit, the air feed subassembly includes electronic air pump 9, with oxygen interface 11 and the air cleaner 14 of electronic air pump 9 intercommunication, set up in electronic air pump with oxygen interface 11 or electronic proportional valve 12 of tee bend between the air cleaner 14, electronic proportional valve 12 of tee bend with controller 23 electricity links to each other.
According to some preferred embodiments of the present invention, the power supply assembly includes a charging energy storage device 17, and a charging interface 16 for supplying power to the charging energy storage device 17 through a power supply.
According to some preferred embodiments of the present invention, the ventilation assembly further comprises a check valve 3 disposed between the first air duct 2 and the electric air pump 9; the differential pressure sensor 21 and the absolute pressure sensor 22 are located between the check valve 3 and the electric air pump 9 and are respectively communicated with the first air duct 2 through a second air duct 24 or a third air duct 26.
According to some preferred embodiments of the present invention, the controller 23 is selected from a microcomputer control board.
According to some preferred embodiments of the present invention, the control assembly further comprises a display device electrically connected to the controller 23 and/or a selection device for selecting controller control parameters and/or functions.
According to some preferred embodiments of the utility model, the respirator further comprises a housing 27 that wholly or partially houses the ventilation control unit and the powered air supply unit.
According to some preferred embodiments of the present invention, the controller 23 controls the electric air pump (9) to periodically supply and/or discharge air through the three-way electric proportional valve 12 according to the following requirements:
t1：t2＝4：1.
(t1+t2)：t3＝1∶2，
wherein, t1Indicates the air supply time t2Indicates breath-hold time, t3Indicating the time of exhaustion and RR the number of breaths per minute.
In the preferred mode, the total duration of each complete respiratory cycle is determined by the respiratory frequency, and one complete respiratory cycle comprises three stages of machine pressurization air supply, positive pressure breath holding and pressure withdrawal automatic expiration, and the time proportion between the three stages is fixed.
According to some preferred embodiments of the utility model, the inlet breathing unit comprises a breathing assembly comprising: the mouth piece 1 is connected with the first air duct 2, the breathing duct 101 is communicated with the first air duct 2 through the mouth piece 1 and is provided with an air supply opening 105 which can extend into the oral cavity of a human body, a mouth piece ring 103 which is fixed around the outer wall of the breathing duct 101 and is positioned between the mouth piece 1 and the air supply opening 105, a tongue depressor 104 which is arranged on the mouth piece ring 103 and faces one end of the air supply opening 105, and an exhalation vent 102 which is arranged on the breathing duct 101 and is positioned between the mouth piece 1 and the mouth piece ring 103.
According to some preferred embodiments of the present invention, the breathing pipeline 101 comprises a vertical straight pipe communicated with the first gas-guide pipe 2 through the interface 1 and an arc pipe with a certain radian integrally connected with the straight pipe to the gas-supply opening 105; the exhalation port (102) is positioned at the transition between the straight pipe and the arc pipe, and the transition is positioned between the interface 1 and the bite ring 103; the exhalation port 102 is a tapered port with a large inside and a small outside.
According to some preferred embodiments of the utility model, the bite ring (103) comprises a smaller diameter, longer length inner ring containing the spatula (104) near the air feed opening (105) and a larger diameter, shorter length outer ring integrally joined to the inner ring near the mouthpiece (1); the lengths of the inner ring, the outer ring and the tongue depressor meet the following requirements: when the inner ring is placed between the teeth of a user, the outer ring integrated with the inner ring is positioned outside the teeth of the user, the top end of the tongue depressor integrated with the inner ring is positioned at the tongue root of the user, and the air supply opening (105) is positioned at the opening of the epiglottis of the user.
The utility model has the following beneficial effects:
in some embodiments, the utility model can ensure that a patient without consciousness always maintains the airway open through a specially designed breathing pipeline, a bite ring and an exhalation hole;
in some specific embodiments, the utility model can realize automatic adjustment of respiration by adjusting working parameters in the respiration process, such as adjusting tidal volume of air supply each time, air supply times (namely respiratory frequency) completed per minute, maximum air supply pressure and the like, and has the characteristics of maintaining full-automatic work after starting, requiring no manual subsequent operation and fully ensuring the safety of patients during ventilation;
the utility model can be used for sudden respiratory arrest caused by sudden cardiac arrest, and has good effect of improving respiration when the respiration is stopped or the respiration is exhausted due to other reasons, particularly can effectively improve the hypoxia condition of patients with the respiration stop or the respiration failure;
the utility model controls all parts to work cooperatively through the control unit, periodically sends a certain amount of air into the airway of the patient within the specified air sending time, and spontaneously exhales the air through the chest elasticity of the patient, thereby replacing the manual ventilation during the CPR rescue, freeing the vital labor force during the rescue and innovatively changing the CPR rescue mode.
The utility model can efficiently establish full-automatic ventilation in an emergency rescue scene, achieves the purposes of maintaining breath, relieving hypoxia and realizing emergency treatment under emergency conditions, has simple structure and small volume, has portability and simple and convenient operation, and is suitable for popularization in public places.
Drawings
Fig. 1 is a schematic structural diagram of a specific ventilation control unit and an electric air supply unit.
Fig. 2 is a schematic diagram of a specific inlet breathing unit.
Wherein:
1-interface, 101-breathing pipe, 102-expiratory hole, 103-biting ring, 104-tongue depressor, 105-air supply port, 2-air guide corrugated pipe, 3-check valve, 4-key 1, 5-key 2, 6-key 3, 7-key 4, 8-display screen, 9-electric air pump, 10-air guide pipe 1, 11-oxygen interface, 12-electric proportional valve, 13-air guide pipe 2, 14-air filter, 15-wire bundle 1, 16-charging interface, 17-rechargeable unit energy storage unit, 18-wire 2, 19-power switch, 20-wire 3, 21-differential pressure sensor, 22-absolute pressure sensor, 23-microcomputer control panel, 24-air guide pipe 3, 25-wire harness 2, 26-gas guide tube 4, 27-casing.
Detailed Description
The utility model is described in detail below with reference to embodiments and drawings, but it should be understood that the embodiments and drawings are only for illustrative purposes and do not limit the scope of the utility model. All reasonable variations and combinations that fall within the spirit and scope of the inventive concept are intended to be within the scope of the inventive concept.
Referring to fig. 1, in one embodiment of the utility model, the miniature ventilator comprises a ventilation control unit and an electrically powered air supply unit connected to an inlet breathing unit, wherein the ventilation control unit comprises a ventilation component and a control component, the ventilation component can further comprise an air guide corrugated pipe 2 communicated with an electric air pump 9 in the electric air supply unit, a check valve 3 arranged between the air guide pipe 2 and the electric air pump 9, a differential pressure sensor 21 and an absolute pressure sensor 22 which are arranged between the check valve 3 and the electric air pump 9 and are respectively communicated with the air guide corrugated pipe 2 through an air guide pipe 24 or an air guide pipe 26, the control assembly may further include a microcomputer control board 23 that receives the sensor signal and is electrically connected to the power switch 19 via a conductor 20, functional keys or knobs 4-7 and a display screen 8 which are electrically connected with a wire bundle 25 formed by a plurality of groups of wires of the microcomputer control board 23; the electric air supply unit comprises a charging energy storage device 17 electrically connected with a power switch 19 through a lead 18, a charging interface 16 for supplying power to the charging energy storage device 17, the electric air pump 9, an oxygen interface 11 or an air filter 14 respectively communicated with the electric air pump 9 through an air duct 10 or an air duct 13, and a three-way electric proportional valve 12 arranged between the electric air pump 9 and the air duct 10 or the air duct 13 and communicated with the electric air pump 9, wherein the electric proportional valve 12 is further electrically connected with the microcomputer control panel 23 through a lead bundle 15.
Further, in the above ventilation control unit and the electric air supply unit, the rest parts except the openings of the check valve 3, the function buttons or knobs 4 to 7, the display screen 8 and each interface and the opening of the air cleaner 14 may be disposed in the housing 27.
Further, with reference to fig. 2, in an embodiment of the utility model, the micro respirator comprises an inlet breathing unit, in particular comprising: the mouth piece 1 is connected with the air guide corrugated pipe 2, the breathing pipeline 101 is communicated with the air guide corrugated pipe 2 through the mouth piece 1 and is provided with an air supply opening 105 which can extend into the oral cavity of a human body, a mouthpiece ring 103 which is fixed around the outer wall of the breathing pipeline 101 and is positioned between the mouth piece 1 and the air supply opening 105, a tongue depressor 104 which is arranged on the mouthpiece ring and faces one end of the air supply opening 105, and an expiration hole 102 which is arranged on the breathing pipeline 101 and is positioned between the mouth piece 1 and the mouthpiece ring 103.
Some more preferred embodiments are:
each part of the inlet breathing unit is made of edible rubber such as high-quality silica gel, wherein the breathing pipeline 101 is a through tubular structure, is detachably connected with the ventilation control unit through the interface 1, and can independently bear conventional disinfection and sterilization.
The housing 27 is made of high quality plastic.
The air bleed 105 is an inclined opening.
The length and curvature of the breathing conduit 101 are such that when the air delivery opening 105 is positioned over the patient's epiglottis opening, the portion of the air delivery opening extending into the mouth is held down by the tongue depressor 104 and bypasses the base of the patient's tongue in a manner that achieves maximum air delivery efficiency.
The bite ring 103 comprises a smaller diameter, longer length inner ring containing a tongue depressor 104 adjacent to the air bleed 105 and a larger diameter, shorter length outer ring integral with the inner ring adjacent to the mouthpiece 1 in a manner that helps maintain the patient's mouth open and assists in depressing the tongue, preventing tongue weighing back and tooth loss.
When the mouth guard is used specifically, the inner ring of the mouthpiece ring 103 can be placed between the upper and lower teeth of a patient to keep the oral cavity of the patient open, and meanwhile, the ring body is positioned on the inner side of the teeth to protect the teeth from falling into the throat of the patient, at the moment, the outer ring forms a baffle plate and is positioned outside the oral cavity of the patient to support the teeth from the outer side and control the integral insertion depth of the pipeline, and the tongue spatula on the inner ring presses the root of the tongue to prevent the tongue from falling back to block the airway.
The bite ring 103 is made of a high quality plastic.
The breathing pipeline 101 comprises a vertical straight pipe communicated with the air guide corrugated pipe 2 through the interface 1 and an arc pipe with a certain radian integrally connected with the straight pipe at the air feeding port 105, and the exhalation port 102 is positioned at the transition position of the straight pipe and the arc pipe, and the transition position is positioned between the interface 1 and the mouthpiece ring 103.
The exhalation port 102 is a tapered port with a large inside and a small outside, which allows carbon dioxide to pass through the exhalation port 102 and form a high-speed airflow for rapid discharge.
The microcomputer control panel 23 detects current air passage information through the differential pressure sensor 21 and the absolute pressure sensor 22 which are electrically connected with the microcomputer control panel, and controls the three-way electromagnetic proportional valve 12 according to the air passage information and a set program, so that regular air supply, air shielding or exhaust is performed, as follows:
after the respirator is started, the microcomputer control board 23 controls the three-way electromagnetic proportional valve according to a set program, starts the electric air pump 9 to be opened to form positive pressure, enables the electric air pump 9 to be communicated with the oxygen interface 11 and the air filter 14, performs pressurized air supply according to air passage pressure data provided by the differential pressure sensor 21 and the absolute pressure sensor 22, maintains constant air flow in an air supply time interval, enters a breath holding stage after the air supply time interval set by the program is reached, at the moment, the microcomputer control board 23 controls the three-way electromagnetic proportional valve according to the set program to enable the electric air pump 9 to be closed, stops the pressurized air supply by the air pump, only maintains the air passage pressure to enable the air to be better exchanged in the lung, enters an exhaust stage after the breath holding stage is finished, at the moment, the microcomputer control board 23 controls the three-way electromagnetic proportional valve according to the set program, starts the electric air pump 9 to be reversely rotated to form negative pressure, and enables the electric air pump 9 to be disconnected with the oxygen interface 11 and the air filter 14, the gas in the lung is spontaneously exhausted through the exhalation vent 102, and a respiratory cycle is completed.
The specific air supply program can be set to meet the following air supply requirements:
t1：t2＝4∶1，
(t1+t2)：t3＝1∶2，
wherein, t1Indicates the air supply time t2Indicates breath-hold time, t3Indicating the time of exhaustion and RR the number of breaths per minute.
In the above process, the functional keys or knobs 4-7 can be used for adjusting a plurality of parameters, and the adjusting contents can be as follows: adjusting the tidal volume to 300ml, 500ml or 700ml (corresponding to small, medium and high grade respectively), adjusting the Respiration Rate (RR) per minute to 12, 15 or 20 times (corresponding to slow, medium and fast grade respectively), adjusting the oxygen saturation, adjusting the carbon dioxide saturation and the like.
The display screen 8 is preferably an LED display screen that can feed back the oscillogram of the current operation and the related information of airway pressure, oxygen saturation, carbon dioxide saturation, battery level, etc.
In other embodiments, the function buttons or knobs 4-7 and the LCD 8 can be replaced by a touch panel with touch selection function.
The charging energy storage device 17 can select a lithium battery and the like, and is provided with charging interfaces of the Type such as Type-C.
The above examples are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the above examples. All technical schemes belonging to the idea of the utility model belong to the protection scope of the utility model. It should be noted that modifications and embellishments within the scope of the utility model may be made by those skilled in the art without departing from the principle of the utility model, and such modifications and embellishments should also be considered as within the scope of the utility model.
Claims (10)
1. Portable full-automatic miniature respirator, its characterized in that, it includes: the device comprises an inlet breathing unit for allowing oxygen and/or oxygen-containing air to enter a human body and discharging waste gas out of the human body, a ventilation control unit and an electric air supply unit, wherein the ventilation control unit comprises a ventilation assembly and a control assembly, the ventilation assembly comprises a first air duct (2) communicated with an electric air pump (9) in the electric air supply unit, a differential pressure sensor (21) and an absolute pressure sensor (22) which are respectively communicated with the first air duct (2), and the control assembly comprises a controller (23) which is electrically connected with the sensor and a power switch (19); electronic air feed unit include with switch (19) electricity link to each other, provide the power supply unit of electric energy and carry out the air feed subassembly that supplies power by the power supply unit, the air feed subassembly includes electronic air pump (9), with oxygen interface (11) and air cleaner (14) of electronic air pump (9) intercommunication, set up in electronic air pump with oxygen interface (11) or electronic proportional valve (12) of tee bend between air cleaner (14), electronic proportional valve (12) of tee bend with controller (23) electricity links to each other.
2. A micro respirator according to claim 1, wherein the power supply assembly comprises a charging energy storage device (17), a charging interface (16) for powering the charging energy storage device (17) by means of a power supply.
3. The microscopherer according to claim 1, wherein the vent assembly further comprises a check valve (3) disposed between the first airway tube (2) and the electric air pump (9); the differential pressure sensor (21) and the absolute pressure sensor (22) are positioned between the check valve (3) and the electric air pump (9) and are respectively communicated with the first air duct (2) through a second air duct (24) or a third air duct (26).
4. The micro respirator according to claim 1, wherein the controller (23) is selected from a microcomputer control board.
5. A micro respirator according to claim 1, wherein the control assembly further comprises display means electrically connected to the controller (23) and/or selection means for selecting controller control parameters and/or functions.
6. The micro respirator of claim 1, further comprising a housing (27) that wholly or partially houses the ventilation control unit and the powered air supply unit.
7. The microscopherer according to claim 1, wherein the controller (23) controls the electric air pump (9) via the three-way electric proportional valve (12) to periodically supply and/or exhaust air as required:
t1:t2＝4:1，
T:t31:2, and T ═ T1+t2，
Wherein, t1Indicates the air supply time t2Indicates breath-hold time, t3Indicating the time of exhaustion and RR the number of breaths per minute.
8. The micro respirator of claim 1, wherein the inlet breathing unit comprises a breathing assembly comprising: the mouth piece comprises a mouth piece (1) connected with a first air duct (2), a breathing pipeline (101) which is communicated with the first air duct (2) through the mouth piece (1) and is provided with an air supply port (105) capable of extending into the oral cavity of a human body, a mouth biting ring (103) which is fixed around the outer wall of the breathing pipeline (101) and is positioned between the mouth piece (1) and the air supply port (105), a tongue depressor (104) which is arranged on the mouth biting ring (103) and faces one end of the air supply port (105), and an exhalation vent (102) which is arranged on the breathing pipeline (101) and is positioned between the mouth piece (1) and the mouth biting ring (103).
9. The micro respirator according to claim 8, wherein the breathing conduit (101) comprises a straight vertical tube communicating with the first airway tube (2) through the mouthpiece (1) and an arc tube with a certain curvature integrally joined to the air delivery opening (105); the exhalation port (102) is positioned at the transition between the straight pipe and the arc pipe, and the transition is positioned between the interface (1) and the bite ring (103); the exhalation vent (102) is a conical vent with a large inside and a small outside.
10. A micro respirator according to claim 8, wherein the bite ring (103) comprises an inner ring adjacent to the air delivery opening (105) containing the tongue depressor (104) and an outer ring integrally joined to the inner ring adjacent to the mouthpiece (1), the inner ring having a smaller diameter than the outer ring and a greater length than the outer ring; the lengths of the inner ring, the outer ring and the tongue depressor meet the following requirements: when the inner ring is placed between the teeth of a user, the outer ring integrated with the inner ring is positioned outside the teeth of the user, the top end of the tongue depressor integrated with the inner ring is positioned at the tongue root of the user, and the air supply opening (105) is positioned at the opening of the epiglottis of the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121873389.2U CN216091759U (en) | 2021-08-11 | 2021-08-11 | Portable full-automatic miniature respirator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121873389.2U CN216091759U (en) | 2021-08-11 | 2021-08-11 | Portable full-automatic miniature respirator |
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| Publication Number | Publication Date |
|---|---|
| CN216091759U true CN216091759U (en) | 2022-03-22 |
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| CN202121873389.2U Active CN216091759U (en) | 2021-08-11 | 2021-08-11 | Portable full-automatic miniature respirator |
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| CN (1) | CN216091759U (en) |
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2021
- 2021-08-11 CN CN202121873389.2U patent/CN216091759U/en active Active
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