CN113058124A - Disposable automatic respirator and using method thereof - Google Patents
Disposable automatic respirator and using method thereof Download PDFInfo
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- CN113058124A CN113058124A CN202110358769.0A CN202110358769A CN113058124A CN 113058124 A CN113058124 A CN 113058124A CN 202110358769 A CN202110358769 A CN 202110358769A CN 113058124 A CN113058124 A CN 113058124A
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- 238000000034 method Methods 0.000 title abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 140
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 139
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 139
- 239000001301 oxygen Substances 0.000 claims abstract description 139
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 81
- 239000012528 membrane Substances 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000006837 decompression Effects 0.000 claims description 17
- 230000003434 inspiratory effect Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 210000000214 mouth Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000036391 respiratory frequency Effects 0.000 claims description 2
- 230000035565 breathing frequency Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052755 nonmetal Inorganic materials 0.000 abstract description 3
- 239000000741 silica gel Substances 0.000 abstract description 3
- 229910002027 silica gel Inorganic materials 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 208000003443 Unconsciousness Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000036387 respiratory rate Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- A61M16/20—Valves specially adapted to medical respiratory devices
-
- 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
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
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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 disposable automatic respirator and a using method thereof, and the disposable automatic respirator comprises an oxygen regulating valve and a respiration regulating valve, wherein the oxygen regulating valve comprises a shell provided with a cavity, the shell is provided with an oxygen pipe joint connected with an oxygen source and an air outlet pipe interface connected with a user end, and the shell is also provided with a first communicating interface; the respiration regulating valve is provided with a pressure regulating membrane, a pressure regulating button and a frequency regulating button, and regulates the respiration pressure and the respiration frequency through the pressure regulating button and the frequency regulating button, and the respiration regulating valve is provided with a respiration regulating valve cover which can be communicated with the first communication interface. The non-invasive respirator can adjust the breathing pressure and the breathing frequency under the continuous and stable oxygen source, can monitor the working state in real time, and can realize active and continuous and stable breathing. Except the spring, the magnetic resonance examination device is made of non-metal materials, mainly plastic materials and silica gel materials, and can be used in a magnetic resonance examination environment meeting certain conditions.
Description
Technical Field
The invention relates to a disposable automatic respirator and a using method thereof.
Background
There are several main products available for emergency treatment in the respiratory department: the utility model provides a be that simple and easy respirator (also called resuscitator) is mostly the artifical manual passive form structure of gasbag formula, because of there is not the reason of lasting stable power drive, its troublesome poeration, hard waste time, inefficiency, can not initiatively impel the patient to breathe: in addition, the common desktop respirator (divided into a non-invasive type and an invasive type) which needs to be plugged in is used in a ward and an operating room, on one hand, the desktop respirator is heavy in size, complex in structure, high in maintenance cost, required to be connected with an external power supply, limited and inconvenient to move in use occasions, and inconvenient to use in the field emergency process, and on the other hand, the respirator structure contains metal materials, and for some patients, the following inconvenience in use exists:
firstly, in the process of using the respirator, a patient cannot move freely and the action is limited;
secondly, the breathing machine containing metal materials cannot be used in a magnetic resonance examination environment, and a patient cannot perform nuclear magnetic resonance related detection;
third, the simple respirator is manually passive, and patients who cannot breathe cannot use the simple respirator to perform first aid.
Disclosure of Invention
Aiming at the problems, the invention provides a disposable automatic respirator and a using method thereof, which can carry out active respiration without an external power supply; furthermore, the magnetic resonance examination device can be used in a magnetic resonance examination environment meeting certain conditions, and is particularly suitable for a plurality of places such as field emergency, natural disaster field first aid, public emergency, major epidemic situation, field first aid, hospitals and the like.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a disposable automatic respirator comprises an oxygen regulating valve and a respiration regulating valve, wherein the oxygen regulating valve comprises a shell provided with a cavity, the shell is provided with an oxygen pipe joint connected with an oxygen source and an air outlet pipe interface connected with a user end, and the shell is also provided with a first communication interface;
the respiration regulating valve is provided with a pressure regulating membrane and a frequency regulating button, and regulates the respiration pressure and the respiration frequency through the pressure regulating button and the frequency regulating button, and the respiration regulating valve is provided with a respiration regulating valve cover which can be communicated with the first communication port.
Preferably, the breathing regulating valve is provided with the breathing regulating valve body, one side of breathing regulating valve body bonds with the breathing regulating valve lid mutually, pressure regulation chamber and pressure release chamber have been seted up in the breathing regulating valve body, pressure regulation chamber and pressure release chamber intercommunication, place the pressure regulation chamber in the pressure regulation membrane in, one side of pressure regulation membrane is laminated mutually with the inboard of breathing regulating valve lid, the opposite side and the pressure regulating button of pressure regulation membrane link to each other through pressure regulating spring.
Preferably, the pressure adjustment intracavity is provided with the pressure adjustment membrane seat, the pressure adjustment membrane sets up on the pressure adjustment membrane seat, be provided with first thread groove on the breathing regulating valve body, be equipped with pressure regulating spring in the first thread groove, first thread groove female connection has the pressure adjustment button, still be provided with the second thread groove on the breathing regulating valve body, second thread groove female connection has adjustable frequency adjusting knob, thereby can change the size of the gap change gap cross-section of disappointing of frequency adjusting knob and pressure release intracavity hole inner wall through the rotational frequency adjusting knob.
Preferably, the center of the frequency adjusting knob is provided with an exhaust hole, and the exhaust hole is communicated with the outside.
Preferably, the oxygen pipe joint on the oxygen regulating valve is provided with a regulating valve capable of regulating the oxygen concentration;
the governing valve is including cup jointing rotatable oxygen adjust knob and the oxygen adjust knob seat of setting in the oxygen coupling in oxygen coupling periphery, form the decompression chamber between oxygen adjust knob seat and the oxygen coupling, through rotatory oxygen adjust knob, can adjust whether decompression chamber is linked together or adjust the size of open area with the external world.
Preferably, the oxygen hose nipple is provided with the trompil that is linked together with the decompression chamber, oxygen adjust knob inner wall is provided with the arch that can seal the trompil, can seal the decompression chamber or adjust the area size of intercommunication of decompression chamber and external atmospheric through rotatory oxygen adjust knob.
Preferably, the oxygen regulating valve is provided with a safety valve cover and a safety valve core, and a safety valve spring is arranged between the safety valve cover and the safety valve core; the oxygen regulating valve is also provided with a one-way valve body, and a one-way valve film is arranged in the one-way valve body.
Preferably, still include the manometer, the one end of manometer is provided with the second intercommunication interface that can be linked together with first intercommunication interface, the other end of manometer is provided with the third intercommunication interface that can be linked together with the breathing valve lid.
Preferably, the oxygen respirator also comprises an oxygen connecting pipe and a breathing connecting pipe, wherein one end of the oxygen connecting pipe is provided with a FiO which can be communicated with the oxygen pipe joint2% interface and the other end is provided with the terminal interface, the terminal interface can connect flowmeter joint or oxygen bag joint, the one end of breathing connecting pipe is provided with the respirator joint that can be linked together with outlet duct interface and the other end is provided with the face guard and connects.
A method of using a single-use automatic respirator, comprising the steps of:
step 1) FiO of oxygen connecting pipe2% interface is connected to oxygen pipe joint, the other end is connected to pressurized oxygen source through flowmeter joint or oxygen bag joint and sets inspiration flow;
step 2) connecting a respirator joint of the breathing connecting pipe to an air outlet pipe joint, and connecting a mask joint at the other end with the oral cavity of a patient through a mask or directly;
step 3) adjusting the oxygen concentration by adjusting an oxygen adjusting knob on the oxygen adjusting valve;
step 4) adjusting the inspiratory pressure through a pressure adjusting button, and adjusting the oxygen discharge flow through a frequency adjusting button to adjust the expiratory frequency of the respiration adjusting valve;
step 5) setting the required oxygen inlet flow rate by adjusting a flow meter on the oxygen cylinder;
step 6) adjusting a pressure adjusting button to obtain the required peak pressure;
and 7) adjusting the frequency adjusting button to obtain the required respiratory frequency.
The invention has the beneficial effects that:
firstly, the disposable automatic respirator is provided with the respiration regulating valve, so that the respiration pressure and the respiration frequency can be regulated, and active continuous and stable respiration can be realized. The non-invasive respirator can adjust the breathing pressure and the breathing frequency under the continuous and stable oxygen source, can monitor the working state in real time, and can realize active and continuous and stable breathing.
Secondly, except for the spring, the disposable automatic respirator is made of non-metal materials, mainly plastic materials (PC, PP, ABS, PPO and the like) and silica gel materials, and can be used in a magnetic resonance examination environment meeting certain conditions.
Thirdly, the disposable automatic respirator of the invention has the total weight of about 120g, is light, simple and convenient, does not need an external power supply, can be moved randomly in the process of using the respirator, and is particularly suitable for a plurality of places such as field emergency, natural disaster field emergency, public emergency, major epidemic situation, field emergency and hospitals, etc., and the disposable automatic respirator of the invention realizes 95 percent of functions of a noninvasive desktop respirator. Moreover, the invention is a disposable product, and can effectively avoid the risk of cross infection in clinical use.
Thirdly, the structure is very flexible, the oxygen bottle and the oxygen bag can be used in places as long as the oxygen bottle and the oxygen bag are available, in addition, the whole structure can be freely collocated, the use mode can be flexibly selected according to different user conditions or on-site states, and the oxygen bottle can be used consciouslyThe user, with or without the option of using a manometer; for unconscious users, the pressure and the frequency of the breathing can be sensed and adjusted in real time by selectively using the pressure gauge, and the FiO can be adjusted at the same time2% oxygen concentration to achieve better emergency breathing function.
Fourthly, the respirator is simple and convenient to use and operate, the real-time working state of the respirator can be seen by naked eyes, and subsequent emergency treatment is convenient to carry out.
Drawings
FIG. 1 is a schematic view of the general construction of a single use automatic respirator of the present invention;
FIG. 2 is a schematic structural view of an embodiment of a single use self-respirator of the present invention;
FIG. 3 is a schematic diagram of a second embodiment of a single use respirator of the present invention;
FIG. 4 is a schematic view of the structure of the oxygen regulating valve of the present invention;
FIG. 5 is a cross-sectional view of the oxygen regulating valve of the present invention;
FIG. 6 is a schematic sectional view taken along the line A-A in FIG. 5;
FIG. 7 is a schematic diagram of the construction of the breath-regulating valve of the present invention;
FIG. 8 is a cross-sectional view of the breath adjustment valve of the present invention;
FIG. 9 is a schematic view of the structure of the oxygen connecting tube of the present invention;
FIG. 10 is a schematic view of the structure of the breathing connecting tube of the present invention;
the reference numerals of the drawings have the following meanings:
1. a safety valve cover; 2. a safety valve spring; 3. a safety valve core; 4. an oxygen pipe joint; 5. an oxygen regulating button seat; 6. an oxygen adjusting knob; 7. a five-way body; 8. a check valve body; 9. a one-way valve membrane; 10. an air outlet pipe interface; 11. a breath regulating valve cover; 12. a breath-actuated valve body; 13. a pressure regulating membrane seat; 14. a pressure regulating membrane; 15. a pressure regulating spring; 16. a frequency adjustment knob; 17. a pressure adjusting knob; 18. a reinforcing rib plate; 19. a manometer; 20. a first communication interface; 21. a second communication interface; 22. a third communication interface; 23. an oxygen connecting pipe; 24. FiO2% ofA mouth; 25. a flow meter connector; 26. a gasket; 27. an oxygen bag connector; 28. a terminal interface; 29. a breathing connecting tube; 30. a respirator joint; 31. a mask joint.
Detailed Description
The present invention will be better understood and implemented by those skilled in the art by the following detailed description of the technical solution of the present invention with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.
As shown in fig. 1-10, a disposable automatic respirator comprises an oxygen regulating valve and a respiration regulating valve, wherein the individual structural schematic diagrams of the oxygen regulating valve are shown in fig. 4-6, the disposable automatic respirator at least comprises a shell provided with a cavity, the shell is provided with an oxygen pipe joint 4 connected with an oxygen source and an air outlet pipe joint 10 connected with a user end, and the shell is also provided with a first communication joint 20.
Preferably, as shown in fig. 4-6, the housing of the oxygen regulating valve can be designed as a five-way body 7, namely an oxygen hose connector 4, an outlet hose connector 10, a one-way valve body 8, an end of the safety valve cover 1 and a first communication port 20, taking the direction of fig. 2 as an example, wherein:
the left end of oxygen regulating valve is provided with safety valve gap 1 and safety valve core 3, be provided with safety valve spring 2 between safety valve gap 1 and the safety valve core 3, pressure when the oxygen regulating valve in surpasss the setting value, then safety valve gap 1 opens and carries out the pressure release, guarantees breathing safety and comfort level.
The direction that the oxygen regulating valve faces the screen is provided with check valve body 8, check valve body 8 embeds has check valve membrane 9, and when breathing in, check valve membrane 9 is opened, can be to the interior supplementary air of oxygen regulating valve, the protection of breathing in.
The upper end of the oxygen regulating valve is provided with an outlet pipe connector 10, and can be connected with a breathing connecting pipe 29, as shown in fig. 10, one end of the breathing connecting pipe 29 is provided with a respirator connector 30 which can be communicated with the outlet pipe connector 10, and the other end is provided with a mask connector 31.
The right-hand member of oxygen regulating valve is first intercommunication interface 20, first intercommunication interface 20 can link to each other with manometer 19, also can directly link to each other with the breathing regulation valve gap 11 of breathing governing valve, can be according to actual need free choice, also overall structure mainly divide into the triplex, oxygen regulating valve, breathing governing valve and manometer 19, wherein, manometer 19 is including the casing and the pointer indicating mechanism that are provided with the cavity, manometer 19's one end is provided with the second intercommunication interface 21 that can be linked together with first intercommunication interface 20, manometer 19's the other end is provided with the third intercommunication interface 22 that can be linked together with breathing regulation valve gap 11. When the three are used, the whole structure is schematically shown in figure 2; when the load cell 19 is not used, the overall structure is schematically shown in fig. 3, and the joints are matched with each other.
The lower end of the oxygen regulating valve is provided with an oxygen pipe joint 4, and as shown in figure 5, the oxygen pipe joint 4 of the oxygen regulating valve is provided with an adjustable FiO2Percent (oxygen concentration percentage) governing valve, the governing valve is including cup jointing the rotatable oxygen adjust knob 6 and the oxygen regulation knob seat 5 of setting in oxygen pipe joint 4 in the oxygen pipe joint 4 periphery, and in fig. 5, the center of oxygen pipe joint 4 is provided with the through-hole that communicates the oxygen source, and it is a to establish its diameter, it is the clearance of interval settlement between oxygen regulation knob seat 5 and the oxygen pipe joint 4, and the cavity between the two forms the decompression chamber, and the diameter in decompression chamber is greater than a, and the through-hole that communicates the oxygen source stretches into in the decompression chamber.
Wherein, the decompression chamber is not a solid coated integral structure, but can be adjusted whether to be communicated with the outside or adjust the size of the communication area by rotating the oxygen adjusting knob 6. For example, the oxygen pipe joint 4 is provided with an opening communicated with the decompression chamber, the inner wall of the oxygen adjusting knob 6 is provided with a bulge capable of sealing the opening, and the decompression chamber can be sealed or the size of the communication area between the decompression chamber and the outside atmosphere can be adjusted by rotating the oxygen adjusting knob 6. By rotating the oxygen adjustment knob 6, the FiO can preferably be adjusted2% is 50% -100%.
The structure of the breath regulating valve is shown in fig. 7-8, which is provided with a pressure regulating membrane 14, a pressure regulating button 17 and a frequency regulating button 16, and regulates the breathing pressure and the breathing frequency by the pressure regulating button 17 and the frequency regulating button 16, and the breath regulating valve is provided with a breath regulating valve cover 11 which can be communicated with a first communication port 20.
Preferably, as shown in fig. 8, the breathing regulating valve is provided with the breathing regulating valve body 12, the left side of the breathing regulating valve body 12 bonds with the breathing regulating valve cover 11, a pressure regulating cavity and an adjustable pressure relief cavity are arranged in the breathing regulating valve body 12, the pressure regulating cavity communicates with the pressure relief cavity, the pressure regulating cavity is arranged in the pressure regulating membrane 14, one side of the pressure regulating membrane is attached to the inner side of the breathing regulating valve cover, and the other side of the pressure regulating membrane is connected with the pressure regulating button through a pressure regulating spring.
Finally, a pressure regulating membrane seat 13 is arranged in the pressure regulating cavity, the pressure regulating membrane 14 is arranged on the pressure regulating membrane seat 13, and the breathing regulating valve body 12 is divided into an upper cavity and a lower cavity (a pressure regulating cavity and a pressure relief cavity), wherein the breathing regulating valve body 12 is provided with a first thread groove, namely, a cavity at the bottom in fig. 8, a pressure regulating spring 15 is arranged in the first thread groove, a pressure regulating button is connected with the first thread groove in a threaded manner, and a reinforcing rib plate 18 is arranged between the outside of the first thread groove and the breathing regulating valve cover 11 in order to improve the connection strength.
The breath regulating valve body 12 is provided with a pressure relief cavity and a second thread groove, i.e. a cavity and a thread groove at the top in fig. 8, an adjustable frequency regulating button 16 is arranged in the second thread groove, and the pressure relief cavity is communicated with the pressure regulating cavity. The frequency adjusting knob 16 is provided at the center thereof with an air discharge hole communicating with the outside, and in fig. 8, the left end portion of the frequency adjusting knob 16 is formed such that the diameter thereof increases from the end near the pressure relief chamber to the end far from the pressure relief chamber, and therefore, by rotating the frequency adjusting knob 16, the gap between the frequency adjusting knob 16 and the inner wall of the hole in the pressure relief chamber can be changed to thereby change the size of the section of the air release gap.
As a preferred embodiment of the present invention, the pressure regulating membrane 14 of the present invention is circular, and the center of the right end surface of the pressure regulating membrane is abutted with the pressure regulating spring 15 and the pressure regulating button 17, i.e. the center of the pressure regulating membrane seat 13 is contacted with the pressure regulating spring 15, while the left end surface of the pressure regulating membrane seat 13 is contacted with the right end surface of the breath regulating valve cover 11, and the two sides of the pressure regulating membrane 14 are stressed in different ranges.
By regulating the pressure on both sides of the pressure regulating membrane 14 of the breathing regulating valve, the breathing regulating valve is realized to be opened at one inspiratory pressure (PIP) and closed at another lower Positive End Expiratory Pressure (PEEP), Peak Inspiratory Pressure (PIP) regulation and breathing pressure regulation can be realized. The positive end expiratory pressure of the invention determines the respiratory rate, is usually 1/5 of the inspiratory pressure (PIP), has the range of 2-9 cm.H 2O, can be adjusted according to the positive end expiratory pressure, and can also be verified by a manometer to be actual PEEP.
The invention can provide constant flow oxygen pressure switching for patients with weight of 10 kg and above, who can breathe and can not breathe, in a pressure control mode or a pressure support mode so as to maintain automatic ventilation support. The respiration adjusting valve of the invention can provide real ventilation support, the main working structure of the respiration adjusting valve is a pressure adjusting film 14, the pressure adjusting film is provided with a pressure adjusting spring, the pressure adjusting film is designed into a form similar to a pressure safety valve, the spring force is adjustable, and the increase and decrease of the spring force can set PIP (peak inspiratory pressure) to generate H of 1-3 cm2The influence of O. The oxygen regulating valve is used to supply flow, intake additional air and provide a redundant pressure relief valve to ensure safety. The disposable self-respirator can be operated in any situation as long as it is in a fixed position (secured to the patient by a strap or tape) when the final adjustment is made.
The oxygen pipe joint 4 can be connected with an oxygen connecting pipe 23, as shown in fig. 9, one end of the oxygen connecting pipe 23 is provided with a FiO which can be communicated with the oxygen pipe joint 42 % interface 24 and the other end is provided with a terminal interface 28, the terminal interface 28 can be connected with a flow meter connector 25 or an oxygen bag connector 27 on the oxygen cylinder, if the terminal interface is connected with the oxygen cylinder, the flow meter connector 25 and a sealing gasket 26 are matched for use.
The invention is suitable for patients needing short-term constant flow and pressure switching type ventilation support in emergency treatment, and is also suitable for patients who can not maintain normal acid-base state without auxiliary ventilation.
Correspondingly, the use method of the disposable automatic respirator comprises the following steps:
step 1) FiO of oxygen connecting tube 232 % interface 24 is connected to oxygen line connector 4, the other end is connected to a pressurized oxygen source via flow meter connector 25 or oxygen bag connector 27 and sets the inspiratory flow;
step 2) connecting a respirator joint 30 of the breathing connecting pipe 29 to the air outlet pipe interface 10, and connecting a mask joint 31 at the other end with the oral cavity of the patient through a mask or directly;
step 3) adjusting the FiO by adjusting an oxygen adjusting knob 6 on the oxygen adjusting valve2Size of% (oxygen concentration);
step 4) adjusting the inspiration pressure through a pressure adjusting button 17, and adjusting the oxygen leakage flow (end-expiratory positive pressure) through a frequency adjusting button 16 to adjust the expiration frequency of the respiration adjusting valve;
step 5), setting the required oxygen inlet flow by adjusting a flow meter (not in the design) on the oxygen cylinder;
at the beginning, the flow rate may be set to 10L to 25L/min. Adjusting as required, in this step, under the condition of ensuring the air supply flow, closing the patient port to perform functional check, and confirming that the pressure does not exceed 60 cm & H2O;
step 6) adjusting a pressure adjusting button to obtain the required peak pressure, wherein the pressure value indicated by the step is approximate and can be changed according to conditions and settings and verified by a manometer; PEEP is approximately equal to 1/5 for PIP setpoint, where the indicated pressure value is an approximation, depending on conditions and settings;
step 7) adjusting the frequency adjustment knob to obtain the desired breathing frequency, and furthermore, increasing or decreasing the breathing frequency by increasing or decreasing the flow rate of the supplied air.
Disposable automatic respirators have pressure limitations and are also equipped with redundant pressure relief valves that are activated when the maximum pressure reaches 60 cm. multidot.H 2O.
The invention has the beneficial effects that:
first, the automatic respirator of the invention is provided with the breathing regulating valve, so that the breathing pressure and the breathing frequency can be regulated, and active continuous and stable breathing can be realized.
Secondly, except for the spring, the disposable automatic respirator is made of non-metal materials, mainly made of plastic materials (PC, PP, ABS, PPO and the like) and silica gel materials, can be used in a magnetic resonance examination environment meeting certain conditions, and clinical tests prove that the automatic respirator can be used in the magnetic resonance examination environment meeting certain conditions. Can be safely administered to a patient in a magnetic resonance examination environment when the following conditions are met:
1. the intensity of the static magnetic field is less than or equal to 3 Tesla;
2. the direct spatial gradient magnetic field was 5000 gauss/cm (50T/m).
Thirdly, the disposable automatic respirator of the invention has the total weight of about 120g, is light, simple and convenient, does not need an external power supply, can be moved randomly in the process of using the respirator, and is particularly suitable for a plurality of places such as field emergency, natural disaster field emergency, public emergency, major epidemic situation, field emergency and hospitals, etc., and the disposable automatic respirator of the invention realizes 95 percent of functions of a noninvasive desktop respirator.
Thirdly, the structure is very flexible, the oxygen bottle and the oxygen bag can be used in places, the whole structure can be matched freely, the use mode can be flexibly selected according to different user conditions or on-site states, and the manometer can be selected or not used for conscious users; for unconscious users, the pressure and the frequency of the breathing can be sensed and adjusted in real time by selectively using the pressure gauge, and the FiO can be adjusted at the same time2Percent to realize better breath emergency function.
Fourthly, the automatic respirator is simple and convenient to use and operate, the real-time working state of the automatic respirator can be seen by naked eyes, and subsequent emergency treatment is convenient to carry out.
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 (10)
1. The disposable automatic respirator is characterized by comprising an oxygen regulating valve and a respiration regulating valve, wherein the oxygen regulating valve comprises a shell provided with a cavity, the shell is provided with an oxygen pipe joint (4) connected with an oxygen source and an air outlet pipe joint (10) connected with a user end, and the shell is also provided with a first communication joint (20);
the respiration regulating valve is provided with a pressure regulating membrane (14) and a frequency regulating button (16), and regulates the respiration pressure and the respiration frequency through the pressure regulating button (17) and the frequency regulating button (16), and the respiration regulating valve is provided with a respiration regulating valve cover (11) which can be communicated with a first communication interface (20).
2. The automatic respirator of claim 1, characterized in that the breath regulating valve is provided with a breath regulating valve body (12), one side of the breath regulating valve body (12) is bonded with a breath regulating valve cover (11), a pressure regulating cavity and a pressure relief cavity are formed in the breath regulating valve body (12), the pressure regulating cavity is communicated with the pressure relief cavity, the pressure regulating membrane (14) is arranged in the pressure regulating cavity, one side of the pressure regulating membrane (14) is attached to the inner side of the breath regulating valve cover (11), and the other side of the pressure regulating membrane (14) is connected with a pressure regulating button (17) through a pressure regulating spring (15).
3. The automatic respirator of claim 2, wherein the pressure adjusting cavity is provided with a pressure adjusting membrane seat (13), the pressure adjusting membrane (14) is arranged on the pressure adjusting membrane seat (13), the breath adjusting valve body (12) is provided with a first thread groove, the first thread groove is internally provided with a pressure adjusting spring (15), the first thread groove is internally threaded with a pressure adjusting button (17), the breath adjusting valve body (12) is further provided with a second thread groove, the second thread groove is internally threaded with an adjustable frequency adjusting button (16), and the frequency adjusting button (16) can be rotated to change the gap between the frequency adjusting button (16) and the inner wall of the hole in the pressure relief cavity, so as to change the section size of the air relief gap.
4. The automatic respirator of claim 3, wherein the frequency adjustment knob (16) is provided with a vent hole in the center, the vent hole communicating with the outside.
5. The disposable automatic respirator of claim 1, wherein the oxygen adapter (4) of the oxygen regulating valve is provided with a regulating valve capable of regulating the oxygen concentration;
the governing valve is including cup jointing rotatable oxygen adjust knob (6) and the oxygen adjust knob seat (5) of setting in oxygen coupling (4) periphery, form the decompression chamber between oxygen adjust knob seat (5) and oxygen coupling (4), through rotatory oxygen adjust knob (6), can adjust whether the decompression chamber is linked together or adjust the size of open area with the external world.
6. The automatic respirator of claim 5, characterized in that the oxygen pipe joint (4) is provided with an opening communicated with the decompression chamber, the inner wall of the oxygen adjusting knob (6) is provided with a bulge capable of sealing the opening, and the decompression chamber can be sealed or the communication area of the decompression chamber and the outside atmosphere can be adjusted by rotating the oxygen adjusting knob (6).
7. The automatic respirator of claim 5, wherein the oxygen regulating valve is provided with a safety valve cover (1) and a safety valve core (3), and a safety valve spring (2) is arranged between the safety valve cover (1) and the safety valve core (3); the oxygen regulating valve is also provided with a one-way valve body (8), and a one-way valve film (9) is arranged in the one-way valve body (8).
8. The automatic single-use respirator according to claim 1, characterized in that it further comprises a pressure gauge (19), one end of said pressure gauge (19) being provided with a second communication port (21) which can communicate with said first communication port (20), the other end of said pressure gauge (19) being provided with a third communication port (22) which can communicate with said breathing regulating valve cover (11).
9. The automatic respirator of claim 1, further comprising an oxygen connecting tube (23) and a breathing connecting tube (29), wherein one end of the oxygen connecting tube (23) is provided with a FiO which can be communicated with the oxygen tube joint (4)2% interface (24) and the other end are provided with terminal interface (28), terminal interface (28) joinable flowmeter connects (25) or oxygen bag connects (27), the one end of breathing connecting pipe (29) is provided with respirator joint (30) that can be linked together with outlet duct interface (10) and the other end is provided with face guard joint (31).
10. Use of a single-use automatic respirator according to any of claims 1-9, characterized in that it comprises the following steps:
step 1) FiO of oxygen connecting pipe (23)2% interface (24) is connected to oxygen connector (4), the other end is connected to a pressurized oxygen source through flowmeter connector (25) or oxygen bag connector (27) and sets inspiration flow;
step 2), a respirator joint (30) of the breathing connecting pipe (29) is connected to the air outlet pipe joint (10), and a mask joint (31) at the other end is communicated with the oral cavity of a patient through a mask or directly;
step 3) adjusting the oxygen concentration by adjusting an oxygen adjusting knob (6) on the oxygen adjusting valve;
step 4) adjusting the inspiratory pressure through a pressure adjusting button (17), and adjusting the expiratory frequency of the respiration adjusting valve through adjusting the oxygen leakage flow through a frequency adjusting button (16);
step 5) setting the required oxygen inlet flow rate by adjusting a flow meter on the oxygen cylinder;
step 6) adjusting a pressure adjusting button to obtain the required peak pressure;
and 7) adjusting the frequency adjusting button to obtain the required respiratory frequency.
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| CN113058124B (en) | 2024-02-27 |
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Effective date of registration: 20230406 Address after: 212000 No.5 Ruiye Road, Yaoqiao Town, New District, Zhenjiang City, Jiangsu Province Applicant after: Jiangsu Moji Medical Technology Co.,Ltd. Applicant after: Shanghai Motech Medical Technology Co.,Ltd. Applicant after: CHINESE PEOPLE'S LIBERATION ARMY NAVAL CHARACTERISTIC MEDICAL CENTER Address before: 212000 No.5 Ruiye Road, Yaoqiao Town, New District, Zhenjiang City, Jiangsu Province Applicant before: Jiangsu Moji Medical Technology Co.,Ltd. Applicant before: Shanghai Motech Medical Technology Co.,Ltd. |
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