CN105457136A - Intelligent atomizing device of breathing machine - Google Patents
Intelligent atomizing device of breathing machine Download PDFInfo
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- CN105457136A CN105457136A CN201610011217.1A CN201610011217A CN105457136A CN 105457136 A CN105457136 A CN 105457136A CN 201610011217 A CN201610011217 A CN 201610011217A CN 105457136 A CN105457136 A CN 105457136A
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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
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
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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
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
- A61M11/005—Sprayers or atomisers specially adapted for therapeutic purposes using ultrasonics
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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
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
- A61M16/16—Devices to humidify the respiration air
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/02—Gases
- A61M2202/0208—Oxygen
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1025—Respiratory system
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses an intelligent atomizing device of a breathing machine. An atomizer is spirally installed at the upper end of a volume cup. An upper end cover is installed on the top of the atomizer. A one-way valve is arranged on the upper end cover and sleeved with a connecting pipe. A discharge port is formed in the side wall of the volume cup. A rubber plug is arranged in the discharge port. A gas inlet port is formed in the lower end of the volume cup and sleeved with a connecting port. The connecting port is connected with a gas flow controller through a guide pipe. The gas flow controller is connected with the port of the breathing machine through a flow division port. Gas flow power used by the atomizing device comes from the breathing machine, flow speed is stable, flow is more precise compared with the prior art, the oxygen concentration and tidal volume of the breathing machine during treatment are not influenced, the safety of patients is ensured, and it can be ensured that medical work and nursing work are smoothly conducted; in the medicine addition process, by means of the discharge port in the outer side of the volume cup, the upper cover of the atomizer does not need to be opened, and ventilation continuity can be ensured.
Description
Technical field
The invention belongs to medical instruments field, particularly relate to a kind of intelligent breathing machine atomising device.
Background technology
ICU patient is often because a variety of causes needs to accept nebulae inhalation, particularly for have many with artificial airway carry out mechanical ventilation patient because asthma, thick sputum, laryngeal edema time, need atomization to help that patient removes airway spasm relieving asthma, antiinflammatory alleviate myxedema and reach control and infect, make thick sputum dilution be convenient to removing to reach the objects such as unimpeded respiratory tract.
At present for whether with the patient of artificial airway, and carry out nebulae inhalation with the patient whether artificial airway carries out mechanical ventilation and need to configure different atomising devices, the special module using the atomization of the client need of respirator must buy producer at present is just achieved, and configure an atomizing module and need 3-6 ten thousand yuan not, expensive, general hospital all selects to abandon, this brings great inconvenience to the nebulae inhalation of clinical patient, and configure different atomising devices to adapt to the patient of disease different phase, patient and section office all additionally will increase disbursement, so both add the cost of section office, also the burden of patient has been increased the weight of.
The airway management of critical patients is an emphasis of current medical personnel work, especially needs the critical patients of mechanical ventilation; Atomization inspiration treatment is the very important treatment content of airway management, for the critical patients not needing mechanical ventilation, the remedy measures such as ultrasonic atomizatio, oxygen atomization is implemented fairly simple, convenient, but for needing the patient of mechanical ventilation, nebulae inhalation implements more difficult; The atomization device of breathing machine used clinically is at present mainly based on pneumatic and electronic, its shortcoming is: have interference to the oxygen concentration of respirator during treatment and tidal volume, and still carrying out owing to being atomized when breathing, certain infringement is caused to exhalation valve, cause shorten its service life, and increase the workload of medical personnel and the Financial cost of section office.
Existing difficult point is the conversion of respirator between " exhaling " and " suction ", namely in pipeline, oxygen is provided time " suction ", it is then the process that carbon dioxide discharged by respirator when " exhaling ", and outer nebulizer of joining is the atomization realized by external oxygen, the gas pushing quantity of external oxygen is 10L/min, and outer oxygen of joining is difficult to match with the respiratory frequency of respirator, the medicinal liquid of such atomization some will slattern, such as in the process of " exhaling ", the medicinal liquid of atomization can be discharged from respirator along with the air-flow of breathing out, even enter into the respirator of respirator internal corrosion costliness, such as, in respirator expensive sensor.
Summary of the invention
The object of the present invention is to provide a kind of intelligent breathing machine atomising device, the oxygen of joining outside when being intended to solve the conversion between " exhaling " and " suction " of the atomization device of breathing machine that uses clinically is at present difficult to match with the respiratory frequency of respirator, in the process of " exhaling ", the medicinal liquid of atomization can be discharged from respirator along with the air-flow of breathing out, and even enters into the problem of the respirator of respirator internal corrosion costliness.
The present invention is achieved in that this intelligent breathing machine atomising device comprises nebulizer, upper end cover, connection tube, capacity cup, air inlet port, connectivity port, conduit, gas flow controller, point stream interface, respirator interface;
The upper end spiral of capacity cup is provided with nebulizer, and the top of nebulizer is provided with upper end cover, and upper end cover is provided with unidirectional valve, is set with connection tube outside upper end cover; The sidewall of capacity cup is provided with discharging opening, is provided with rubber closure in discharging opening, the lower end of capacity cup is provided with air inlet port; Air inlet port overcoat is equipped with connectivity port, and connectivity port is connected with gas flow controller by conduit, and gas flow controller is connected with respirator interface by a point stream interface.
The present invention also takes following technical measures:
Described connection tube comprises: lower connector, connector and rear connector;
The lower connector of connection tube is sleeved on upper end cover, and the upper end of lower connector is provided with connector, and the front end of connector is provided with rear connector.
Described conduit comprises: the plastic tube of circular tube shaped, and is positioned at mesh grid and the spring net of the circular tube shaped that plastic tube inner sleeve stacks.
Described gas flow controller adopts M3090A controller, and manual setting is connected with external computer carries out setting gas flow parameter.
Described nebulizer comprises: supersonic generator, oscillating membrane and water trough body, the sidewall of water trough body side be provided with that water supply groove body supplies water to water bottle, water trough body is connected by bend pipe with to water bottle, is provided with the control valve of regulating pondage to the bend pipe of water bottle bottle mouth position.
Described capacity cup comprises: cup, liquid container volume adjustment means, pearl ring control inlet device and Liquid Flow pipe device;
Cup comprises shell and cup handle;
Liquid container volume adjustment means by box body, urceolus, inner core, take over a business, internal coiling rotating disk and male-pipe form, rectangular box is connected on urceolus side, box body communicates with urceolus, inner core one end is inserted in urceolus, what be arranged at the inner core other end takes over a business the male-pipe that cup is stretched out in connection one, and internal coiling rotating disk is arranged on and stretches out on the male-pipe of cup; Box body bottom is provided with inclined-plane;
Pearl ring control inlet device comprise be arranged on the inlet opening of box body lower bevel, the both sides of inlet opening are provided with iron shot running plate, on plate hang a taper iron ball;
Liquid Flow pipe device, comprise liquid outlet, air intlet, outlet conduit, admission line, buoy, electric magnet, buoy breast board, liquid outlet and air intlet are arranged on electric magnet, electric magnet forms the end face of box body; buoy railing is arranged on below electric magnet, and the buoy with iron plate is arranged in buoy breast board.
Described gas flow controller comprises valve body, valve seat, pilot solenoid valve and adjusting part;
Inside, valve body two ends is provided with input chamber and exports chamber, establishes adjustment chamber in middle part; Valve seat to be fixed on valve body and to be communicated with pilot solenoid valve; Be provided with input vestibule in valve seat, export vestibule, control chamber, guide duct; Input vestibule and input chamber, export vestibule and regulate chamber, guide duct is communicated with the pilot hole of pilot solenoid valve; Adjusting part be connected with valve body and with adjustment chamber, with the sectional area of regulating and controlling chamber.
The inlet end of described gas flow controller is provided with gas flowmeter;
Described gas flowmeter connect successively the first piezometer, reference chamber, comparison room and diverting route, calibration chamber; Described diverting route at least comprises two shunt in parallel: the first shunt and second along separate routes, every bar shunt all have chamber volume and the valve being communicated with or disconnecting this shunt, be connected with one period of small-bore communicating pipe after the chamber volume of the second shunt, the bore of described small-bore communicating pipe is less than the bore of the connection tube of its place shunt other position upper; Described gas flowmeter also comprises: transfiguration room, is connected with described comparison room by the pipeline with the first stop valve, described transfiguration room variable volume, and have can the bascule of volume adjusted room volume;
Constant volume chamber, is connected between described comparison room and diverting route by the pipeline with the second stop valve;
The 3rd stop valve is connected with between reference chamber and comparison room; Differential pressure piezometer, connects described reference chamber and described comparison room.
Further, described diverting route comprises three articles of shunt in parallel: the first shunt, the second shunt and the 3rd are along separate routes;
First comprises the first valve of connecting successively, the first chamber volume, needle-valve and the second valve along separate routes;
Second comprise along separate routes connect successively the 3rd valve, the second chamber volume, the first small-bore communicating pipe and the 4th valve;
3rd comprise along separate routes connect successively the 5th valve, the 3rd chamber volume, the second small-bore communicating pipe and the 6th valve;
Also comprise feeder, described reference chamber is communicated with feeder; And/or each described shunt in described diverting route is all communicated with calibration chamber;
Described gas flowmeter also has extract system, before being communicated in described reference chamber;
Described transfiguration room is bellows structure, and described bascule is the tube wall of described corrugated tube;
Described first chamber volume is the pipeline being communicated with described first valve and described needle-valve;
Described second chamber volume is be communicated with described 3rd valve and the pipeline of described first small-bore communicating pipe;
Described 3rd chamber volume is be communicated with described 5th valve and the pipeline of described second small-bore communicating pipe;
The aperture of described small-bore communicating pipe is 5-10 micron.
Another object of the present invention is to the data detection method of the gas flowmeter that a kind of intelligent breathing machine atomising device is provided, gas flow state is in the duct divided into horizontal plateau and transitional states by the data detection method of described gas flowmeter, extract the data that gas flowmeter gathers, it is one group with N+1 data, if D
ifor the data that i moment gas flowmeter gathers, and D
ifor the data that current time is processing, D
i+Nfor the data that i+N moment gas flowmeter gathers, X
ifor current time processes the data of rear output, pre-set gas changes in flow rate threshold xi, the accumulative frequency q=0 of preset level plateau, preset transitional states data amount check j=0, the cumulative maximum Q of preset level plateau, parameter preset k, and k < N; Initial default gas flow state is in the duct horizontal plateau.
Further, the date processing under horizontal plateau comprises:
If the data D that current time is processing
iwith the data X processing rear output last time
i-1between relative change rate be less than or equal to gas flow change threshold ξ, the data D namely then processed by current time
icarry out cumulative mean, accumulative frequency q=q+1;
If accumulative frequency q < is Q, then the data processing rear output are:
If q=Q, adopt first-in last-out, tail of the queue enters data, and head of the queue abandons data, and data do the data that Q cumulative mean obtains processing rear output, that is:
If the data D that current time is processing
iwith the data X processing rear output last time
i-1between relative change rate be greater than gas flow change threshold ξ, namely be not greater than k the relative change rate between data and the data processing rear output last time processed in N number of data and afterwards and be all greater than gas flow change threshold ξ, then judge the data D that current time is processing
ibe an abnormal data, the data D that this is being processed
igive up, and current time processes the previous data X processing rear output of data of rear output
i-1substitute, that is: X
i=X
i-1, the accumulative frequency of horizontal plateau is reset, q=0 meanwhile;
If the data D that current time is processing
iwith the data X processing rear output last time
i-1between relative change rate be greater than gas flow change threshold ξ, namely have in N number of data and afterwards and be more than or equal to k the relative change rate between data and the data processing rear output last time processed and be all greater than gas flow change threshold ξ, and change direction is consistent, then judge that gas flow state in the duct changes, namely gas flow state in the duct enters transitional states, now, current time processes the data of rear output and is:
X
i=(1-a) * X
i-1+ a*D
i, wherein, a is the first default weight coefficient, 0 < a < 1.
Further, the date processing under transitional states comprises:
The data D that current time is being processed
iall r-1 of being under transitional states process the data of rear output under processing the data of rear output and last horizontal plateau above, and r data do the matching of method of least square first order curve altogether, obtain function f (X
i-1, X
i-2..., X
i-r)=A*i+B, according to f (X
i-1, X
i-2..., X
i-rthe data of)=A*i+B to the collection of i moment gas flowmeter are made prediction, and draw predictive value X
survey;
If the data that current time is processing and predictive value X
surveybetween relative change rate be less than or equal to gas flow change threshold ξ, namely then transitional states data amount check is added 1, i.e. j=j+1, and the data that current time processes rear output are:
X
i=(1-b) * X
survey+ b*D
i, wherein, b is the second default weight coefficient, and the second weight coefficient b is a dynamic hop value, 0 < b≤1, and b=b+w, and w is default stepping weight coefficient, 0 < w < 1;
If the data that current time is processing and predictive value X
surveybetween relative change rate be greater than gas flow change threshold ξ, if be not greater than the data that k is processing and the data X processing rear output last time in N number of data namely afterwards
i-1between relative change rate be all greater than gas flow change threshold ξ, then judge the data D that processing of current time
ibe an abnormal data, the data D that this is being processed
igive up, and current time processes the predictive value X of the data current time of rear output
surveysubstitute, that is: X
i=X
survey; If N-1 afterwards data have be more than or equal to k certificate and the data X processing rear output last time
i-1between relative change rate be all greater than gas flow change threshold ξ, then judge that gas flow state in the duct changes, namely gas flow state in the duct enters horizontal plateau, and now, the data that current time processes rear output are X
i=D
i.
1) air flow power used derives from respirator, flow speed stability, and flow is more accurate relative to prior art, to the oxygen concentration of respirator during treatment and tidal volume noiseless, carrying out smoothly of medical treatment and nursery work can be guaranteed again while ensureing patient safety; Gas flow controller M3090A is advanced gas traffic monitoring equipment, energy Measurement accuracy gas flow numerical value is also shown by display instrument, manually can arrange or be connected with external computer and carry out setting gas flow parameter, gas flow controller M3090A has auto-compensation measure, to setting and patient needed for the parameter that matches of oxygen-supplying amount, automatically adjust; During the conversion of respirator between " exhaling " and " suction ", in pipeline, providing oxygen time " suction ", is then that carbon dioxide discharged by respirator time " exhaling "; When the gas pushing quantity of external oxygen is 10L/min, at this moment outer oxygen of joining is difficult to match with the respiratory frequency of respirator, the medicinal liquid of such atomization some will slattern, in the process of " exhaling ", the medicinal liquid of atomization can be discharged from respirator along with the air-flow of breathing out, even enter into the sensor of breathing machine of respirator internal corrosion costliness, suitable parameter is set according to client need, the oxygen of joining outside solving very well and the respiratory frequency concordance of respirator by arranging gas flow controller M3090A;
2), in atomization process start unidirectional valve, be atomized and carry out with air-breathing, stop during expiration, prevent the loss to exhalation valve, prevent breathing pipeline condensed water to the pollution of atomized liquid simultaneously;
3), in atomization process be in closed state, do not disturb respirator to ventilate normally.
4), the treatment carrying out atomization humidifying can be continued, during dosing, by the discharging opening outside capacity cup, not need to open nebulizer upper cover, can ensure that ventilation is uninterrupted, the workload of medical personnel can be saved simultaneously.
Intelligent breathing machine atomising device gas flow controller M3090A advantage provided by the invention:
1) gas flow controller M3090A is one and manually can sets or be connected with computer the gas constant-current stabilizer automatically controlled, and can control gas flow fast and accurately in wider range ability.Even if system pressure has fluctuation or ambient temperature to have slight change, also can not affect it and work normally.Temperature and pressure is not needed to compensate in principle.
2) gas flow measurement and control the fluctuation of not Yin Wendu or pressure and misalignment.For most gas flow TT&C system, be difficult to avoid the pressure oscillation of system and the variations in temperature of environment and medium.For common gauge, the fluctuation of pressure and temperature will cause larger error; For gas mass flow controller, then generally negligible.
3) gas flow measurement can export with the outputting standard signal of telecommunication by automatization's gas mass flow controller that gasmetry controls.Be easy to like this realize the numerical monitor, integrated flow automatic gauge, data automatic recording, computer control etc. to flow, the automatic control of flow can also be realized.It is analog (Analogtype) that the electricity of gas flow controller M3090A gives signal control mode, and input/output signal is 0 ~+5V or 4 ~ 20mA.
4) gas flow controller M3090A can accurately fixing quantity flow, and gas mass flow controller accurately can control the specified rate of gas, and this flow-control to a lot of technical process, the ratio control for gas with various etc. are effective especially.
5) gas flow controller M3090A is applied widely, has very wide working pressure range, and product can from vacuum until 10MP; This product can use multiple gases medium (comprising some corrosive gas, as boron chloride, fluohydric acid gas etc.); Have very wide range of flow, product minimum discharge scope can reach 0 ~ 10sccm, and maximum stream flow scope can reach 0 ~ 30slpm, and flow-control scope is 2 ~ 100% (range ratio is 50: 1) of full scale, special suitable pharmaceutical field.
6) output signal of gas flow controller M3090A is simulation (0-5Vdc or 4-20mA), directly cannot be connected, generally join A/D, D/A change-over panel on computers with computer, just can connect, also be connected with MFC by Flow Measurement Display Meter.Analog/digital conversion be used for receiving flow measurements, digital-to-analog conversion is used for providing 0-5Vdc or 4-20mA flow setting signal, and this change-over panel is easy to buy on Industry Control produce market.
7) diverting route comprises at least two shunt in parallel, and be provided with stop valve between each part of gas flowmeter of the present invention, therefore diverting route and stop valve can, by different part combination, make gas flowmeter of the present invention can adopt multiple metering system detected gas flow.
8) abnormal data occurred in the data of gas flowmeter collection can effectively be identified, when the data variation that gas flowmeter gathers, method of the present invention can follow up in time and do smoothing processing, when the data of gas flowmeter collection are vibrated up and down at a fixing point, method of the present invention can make data tend to be steady, make treated output data stability good, highly sensitive, error is little.
Accompanying drawing explanation
Fig. 1 is the intelligent breathing machine atomising device suction condition structural representation that the embodiment of the present invention provides.
Fig. 2 is the intelligent breathing machine atomising device expiration unidirectional valve status architecture schematic diagram that the embodiment of the present invention provides.
Fig. 3 is the structural representation of the nebulizer that the embodiment of the present invention provides.
Fig. 4 is the structural representation of the capacity cup that the embodiment of the present invention provides.
Fig. 5 is the structural representation of the gas flow controller that the embodiment of the present invention provides.
Fig. 6 is the gas flowmeter structural representation that the embodiment of the present invention provides.
In figure: 1, nebulizer; 1-1, water trough body; 1-2, oscillating membrane; 1-3, to water bottle; 1-4, control valve; 1-5, bend pipe; 2, upper end cover; 3, connection tube; 3-1, lower connector; 3-2, connector; 3-3, rear connector; 4, capacity cup; 4-1, electric magnet; 4-2, inlet opening; 4-3, urceolus; 4-4, inner core; 4-5, to take over a business; 4-6, internal coiling rotating disk; 4-7, male-pipe; 4-8, cup handle; 5, air inlet port; 6, connectivity port; 7, conduit; 8, gas flow controller; 8-1, valve body; 8-2, valve seat; 8-3, pilot solenoid valve; 8-4, adjusting part; 9, stream interface is divided; 10, respirator interface; 11, discharging opening; 12, rubber closure; 13, unidirectional valve.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As shown in Figures 1 to 5: this intelligent breathing machine atomising device comprises nebulizer 1, upper end cover 2, connection tube 3, capacity cup 4, air inlet port 5, connectivity port 6, conduit 7, gas flow controller 8, point stream interface 9, respirator interface 10;
The upper end spiral of capacity cup 4 is provided with nebulizer 1, and the top of nebulizer 1 is provided with upper end cover 2, upper end cover 2 is provided with unidirectional valve 13, is set with connection tube 3 outside upper end cover 2; The sidewall of capacity cup 4 is provided with discharging opening 11, is provided with rubber closure 12 in discharging opening 11, the lower end of capacity cup 4 is provided with air inlet port 5; Be set with connectivity port 6 outside air inlet port 5, connectivity port 6 is connected with gas flow controller 8 by conduit 7, and gas flow controller 8 is connected with respirator interface 10 by a point stream interface 9.
Described connection tube 3 comprises: lower connector 3-1, connector 3-2 and rear connector 3-3;
The lower connector 3-1 of connection tube 3 is sleeved on upper end cover 2, and the upper end of lower connector 3-1 is provided with connector 3-2, and the front end of connector 3-2 is provided with rear connector 3-3.
Described conduit 7 comprises: the plastic tube of circular tube shaped, and is positioned at mesh grid and the spring net of the circular tube shaped that plastic tube inner sleeve stacks.
Described gas flow controller 8 adopts M3090A controller, and manual setting is connected with external computer carries out setting gas flow parameter.
Described nebulizer 1 comprises: supersonic generator, oscillating membrane 1-2 and water trough body 1-1, the sidewall of water trough body 1-1 side be provided with that water supply groove body 1-1 supplies water to water bottle 1-3, water trough body 1-1 is connected by bend pipe 1-5 with giving water bottle 1-3, is provided with the control valve 1-4 of regulating pondage to the bend pipe 1-5 of water bottle 1-3 bottle mouth position.
After supplying water by giving water bottle 1-3, the water in tank obtains effective control, in whole atomization process, the water yield can be made to remain on the home of 300ml always, water in tank can not enter wind passage mouth, and then enters control circuit device, causes damage to the control circuit of nebulizer 1.One-body molded to water bottle 1-3 and water trough body 1-1; Make nebulizer 1 more succinct in appearance, more convenient time mobile, also can save material.
Described capacity cup 4 comprises: cup, liquid container volume adjustment means, pearl ring control inlet device and Liquid Flow pipe device;
Cup comprises shell and cup handle 4-8;
Liquid container volume adjustment means by box body, urceolus 4-3, inner core 4-4, take over a business 4-5, internal coiling rotating disk 4-6 and male-pipe 4-7 and form, rectangular box is connected on urceolus 4-3 side, box body communicates with urceolus 4-3, inner core 4-4 one end is inserted in urceolus 4-3, the 4-5 that takes over a business being arranged at the inner core 4-4 other end connects the male-pipe 4-7 that is stretched out cup, and internal coiling rotating disk 4-6 is arranged on and stretches out on the male-pipe 4-7 of cup; Box body bottom is provided with inclined-plane;
Pearl ring control inlet device comprise be arranged on the inlet opening 4-2 of box body lower bevel, the both sides of inlet opening 4-2 are provided with iron shot running plate, on plate hang a taper iron ball;
Liquid Flow pipe device, comprise liquid outlet, air intlet, outlet conduit, admission line, buoy, electric magnet 4-1, buoy breast board, liquid outlet and air intlet are arranged on electric magnet 4-1, electric magnet 4-1 forms the end face of box body; buoy railing is arranged on below electric magnet 4-1, and the buoy with iron plate is arranged in buoy breast board.
Capacity cup 4 can set the liquid of volume by automatic measurement fast, easily, can be determined the total amount of liquid in cup by the scale of cup outer surface
Described gas flow controller 8 comprises valve body 8-1, valve seat 8-2, pilot solenoid valve 8-3 and adjusting part 8-4;
Inside, valve body 8-1 two ends is provided with input chamber and exports chamber, establishes adjustment chamber in middle part; Valve seat 8-2 to be fixed on valve body 8-1 and to be communicated with pilot solenoid valve 8-3; Be provided with input vestibule in valve seat 8-2, export vestibule, control chamber, guide duct; Input vestibule and input chamber, export vestibule and regulate chamber, guide duct is communicated with the pilot hole of pilot solenoid valve 8-3; Adjusting part 8-4 be connected with valve body 8-1 and with adjustment chamber, with the sectional area of regulating and controlling chamber.
The feature that gas flow adjustment control has compact conformation, regulates accurately, the life-span is long, volume is little, and the effect with cut-off, throttling and accurate flow adjustment, itself and gas pressure reducer are with the use of more meeting special process requirement.
As shown in Figure 6, gas flowmeter comprises the first piezometer 2, reference chamber 4, comparison room 23, diverting route, transfiguration room 8, constant volume chamber 9, differential pressure piezometer 24, stop valve and calibration chamber 29.First piezometer 2, reference chamber 4, comparison room 23, diverting route and calibration chamber 29 are connected successively, the variable volume of transfiguration room, and transfiguration room has the bascule that can change chamber volume volume, this transfiguration room is communicated in comparison room, and certain transfiguration room is that the pipeline by having the first stop valve 6 is connected to comparison room.Constant volume chamber 9 is communicated between comparison room and diverting route, constant volume chamber is connected between contrast room and diverting route by the pipeline with the second stop valve 22, but, second stop valve is opened or is closed, do not affect the connection between comparison room and diverting route or disconnection, it affects constant volume chamber and whether is communicated in the circuit contrasted between room and diverting route.Further diverting route at least comprises two shunt in parallel, be referred to as the first shunt and second along separate routes, every bar shunt all have chamber volume and the valve being communicated with or disconnecting this shunt, be connected with one period of small-bore communicating pipe after the chamber volume of the second shunt, the bore of described small-bore communicating pipe is less than the bore of the connection tube of its place shunt other position upper.3rd stop valve 5 is also set between reference chamber and comparison room.
Present embodiments provide a kind of data detection method of gas flowmeter, gas flow state is in the duct divided into horizontal plateau and transitional states by the method, and extracting the data that gas flowmeter gathers, is one group with N+i data, if D
ifor the data that i moment gas flowmeter gathers, and D
ifor the data that current time is processing, D
i+Nfor the data that i+N moment gas flowmeter gathers, X
ifor current time processes the data of rear output;
Pre-set gas changes in flow rate threshold xi, the accumulative frequency q=0 of preset level plateau, presets transitional states data amount check j=0, the cumulative maximum Q of preset level plateau, parameter preset k, and k < N; Initial default gas flow state is in the duct horizontal plateau;
In the present embodiment, the data detection method of gas flowmeter is mainly divided into two parts, Part I is: the date processing under horizontal plateau, the data of the gas flowmeter collection that this part mainly completes under horizontal plateau do slip cumulative mean makes data tend towards stability, and differentiates and processes the abnormal data that occurs and identify flow status from horizontal plateau to the switching of transitional states; Part II is the date processing under transitional states, and this part mainly completes: the change of follow-up data in time; Differentiate that the abnormal data and flow status that occur in transitional states with process are from transitional states to the switching of horizontal plateau;
Date processing under the horizontal plateau of wherein Part I comprises:
If (1-1) the data D that processing of current time
iwith the data X processing rear output last time
i-1between relative change rate be less than or equal to gas flow change threshold ξ, the data D namely then processed by current time
icarry out cumulative mean, accumulative frequency q=q+1,
If accumulative frequency q < is Q, then the data processing rear output are:
If q=Q, adopt first-in last-out, tail of the queue enters data, and head of the queue abandons data, and data do the data that Q cumulative mean obtains processing rear output, namely
When first treated, first need gas flowmeter to gather at least N+1 data, then just can start method of the present invention and carry out Data Detection and process, now, X
i-1=D
i-1, D
i+Nbe then the data of current time gas flowmeter collection; And in order to the data that detection is exported more accurate, before startup method of the present invention, often need some data that gather, the data D processed more
idata before, directly adopt the method for cumulative mean to obtain X
i-1, X
i-2, X
i-3...
If (1-2) the data D that processing of current time
iwith the data X processing rear output last time
i-1between relative change rate be greater than gas flow change threshold ξ, namely be not greater than k the relative change rate between data and the data processing rear output last time processed in N number of data and afterwards and be all greater than gas flow change threshold ξ, then judge the data D that current time is processing
ibe an abnormal data, the data D that this is being processed
igive up, and current time processes the previous data X processing rear output of data of rear output
i-1substitute, that is: X
i=X
i-1, the accumulative frequency of horizontal plateau is reset, q=0 meanwhile;
If (1-3) the data D that processing of current time
iwith the data X processing rear output last time
i-1between relative change rate be greater than gas flow change threshold ξ, namely have in N number of data and afterwards and be more than or equal to k the relative change rate between data and the data processing rear output last time processed and be all greater than gas flow change threshold ξ, and change direction is consistent, then judge that gas flow state in the duct changes, namely gas flow state in the duct enters transitional states, now, current time processes the data of rear output and is:
X
i=(1-a) * X
i-1+ a*D
i, wherein, a is the first default weight coefficient, 0 < a < 1;
Wherein, the date processing under the transitional states of Part II comprises:
(2-1) the data D, current time processed
iall r-1 of being under transitional states process the data of rear output under processing the data of rear output and last horizontal plateau above, and r data do the matching of method of least square first order curve altogether, obtain function f (X
i-1, X
i-2..., X
i-r)=A*i+B, according to f (X
i-1, X
i-2..., X
i-rthe data of)=A*i+B to the collection of i moment gas flowmeter are made prediction, and draw predictive value X
survey, r value is a variable here, and along with the increase of transitional states data, r value can increase, and the numerical value processing rear output under first transitional states is X
i=(1-a) * X
i-1+ a*D
i, ask for process under second transitional states after export numerical value time, r is 2, ask for process under the 3rd transitional states after export numerical value time, r is 3 ...;
If (2-2) data that processing of current time and predictive value X
surveybetween relative change rate be less than or equal to gas flow change threshold ξ, namely then transitional states data amount check is added 1, i.e. j=j+1, and the data that current time processes rear output are:
X
i=(1-b) * X
survey+ b*D
i, wherein, b is the second default weight coefficient, and the second weight coefficient b is a dynamic hop value, 0 < b ￡ 1, and b=b+w, namely after each process, and b value can increase w, w is default stepping weight coefficient, 0 < w < 1;
If (2-3) data that processing of current time and predictive value X
surveybetween relative change rate be greater than gas flow change threshold ξ, if be not greater than the data that k is processing and the data X processing rear output last time in N number of data namely afterwards
i-1between relative change rate be all greater than gas flow change threshold ξ, then judge the data D that processing of current time
ibe an abnormal data, the data D that this is being processed
igive up, and current time processes the predictive value X of the data current time of rear output
surveysubstitute, that is: X
i=X
survey; If N-1 afterwards data have be more than or equal to k certificate and the data X processing rear output last time
i-1between relative change rate be all greater than gas flow change threshold ξ, then judge that gas flow state in the duct changes, namely gas flow state in the duct enters horizontal plateau, and now, the data that current time processes rear output are X
i=D
i.
Operation principle of the present invention:
During use, nebulizer 1 is connected with the lower end interface of "T"-shaped respirator interface 10 by upper end cover 2, the connector 3-2 of "T"-shaped respirator interface 10 is connected respirator air inlet pipe and tracheal intubation respectively with rear connector 3-3, air inlet port 5 is connected with gas flow controller 8 by conduit 7, gas flow controller 8 is connected with point stream interface 9 of respirator interface 10 one end, the other end of respirator interface 10 respectively with respirator inlet end, air inlet pipeline connects, atomized liquid is injected by the discharging opening 11 outside capacity cup 4, discharging opening 11 is closed with rubber closure 12 after injecting, during air-breathing, air-flow is by a point stream interface 9, gas flow controller 8 and conduit 7 enter nebulizer 1, the unidirectional valve 13 flicked on upper end cover 2 enters pipeline, atomized liquid enters in patient airway with air-flow, play atomizing, unidirectional valve 13 is closed when exhaling simultaneously, breathing circuit condensed water can be prevented to enter nebulizer 1, prevent atomized liquid contaminated, in addition be atomized and carry out when air-breathing, stop during expiration, the loss to exhalation valve can be reduced.
When the conversion of respirator between " exhaling " and " suction " in pipeline, oxygen is provided time " suction ", then that carbon dioxide discharged by respirator when " exhaling ", when the gas pushing quantity of external oxygen is 10L/min, and outer oxygen of joining is difficult to match with the respiratory frequency of respirator, the medicinal liquid of such atomization some will slattern, in the process of " exhaling ", the medicinal liquid of atomization can be discharged from respirator along with the air-flow of breathing out, even enter in respirator and likely corrode expensive sensor of breathing machine, suitable parameter is set according to client need by arranging gas flow controller 8M3090A, the oxygen of joining outside solving very well and the respiratory frequency concordance of respirator.
Air flow power used in the present invention derives from respirator, flow speed stability, and flow is more accurate relative to prior art, to the oxygen concentration of respirator during treatment and tidal volume noiseless, carrying out smoothly of medical treatment and nursery work can be guaranteed again while ensureing patient safety; Gas flow controller 8M3090A is advanced gas traffic monitoring equipment, energy Measurement accuracy gas flow numerical value is also shown by display instrument, manually can arrange or be connected with external computer and carry out setting gas flow parameter, gas flow controller 8M3090A has auto-compensation measure, to setting and patient needed for the parameter that matches of oxygen-supplying amount, automatically adjust.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an intelligent breathing machine atomising device, is characterized in that, this intelligent breathing machine atomising device comprises: nebulizer, upper end cover, connection tube, capacity cup, air inlet port, connectivity port, conduit, gas flow controller, point stream interface, respirator interface;
The upper end spiral of capacity cup is provided with nebulizer, and the top of nebulizer is provided with upper end cover, and upper end cover is provided with unidirectional valve, is set with connection tube outside upper end cover; The sidewall of capacity cup is provided with discharging opening, is provided with rubber closure in discharging opening, the lower end of capacity cup is provided with air inlet port; Air inlet port overcoat is equipped with connectivity port, and connectivity port is connected with gas flow controller by conduit, and gas flow controller is connected with respirator interface by a point stream interface;
Described connection tube comprises: lower connector, connector and rear connector;
The lower connector of connection tube is sleeved on upper end cover, and the upper end of lower connector is provided with connector, and the front end of connector is provided with rear connector;
Described conduit comprises: the plastic tube of circular tube shaped, and is positioned at mesh grid and the spring net of the circular tube shaped that plastic tube inner sleeve stacks;
Described gas flow controller adopts M3090A controller, and manual setting is connected with external computer carries out setting gas flow parameter;
Described nebulizer comprises: supersonic generator, oscillating membrane and water trough body, the sidewall of water trough body side be provided with that water supply groove body supplies water to water bottle, water trough body is connected by bend pipe with to water bottle, is provided with the control valve of regulating pondage to the bend pipe of water bottle bottle mouth position;
Described capacity cup comprises: cup, liquid container volume adjustment means, pearl ring control inlet device and Liquid Flow pipe device;
Cup comprises shell and cup handle;
Liquid container volume adjustment means by box body, urceolus, inner core, take over a business, internal coiling rotating disk and male-pipe form, rectangular box is connected on urceolus side, box body communicates with urceolus, inner core one end is inserted in urceolus, what be arranged at the inner core other end takes over a business the male-pipe that cup is stretched out in connection one, and internal coiling rotating disk is arranged on and stretches out on the male-pipe of cup; Box body bottom is provided with inclined-plane;
Pearl ring control inlet device comprise be arranged on the inlet opening of box body lower bevel, the both sides of inlet opening are provided with iron shot running plate, on plate hang a taper iron ball;
Liquid Flow pipe device, comprise liquid outlet, air intlet, outlet conduit, admission line, buoy, electric magnet, buoy breast board, liquid outlet and air intlet are arranged on electric magnet, electric magnet forms the end face of box body; buoy railing is arranged on below electric magnet, and the buoy with iron plate is arranged in buoy breast board;
Described gas flow controller comprises valve body, valve seat, pilot solenoid valve and adjusting part;
Inside, valve body two ends is provided with input chamber and exports chamber, establishes adjustment chamber in middle part; Valve seat to be fixed on valve body and to be communicated with pilot solenoid valve; Be provided with input vestibule in valve seat, export vestibule, control chamber, guide duct; Input vestibule and input chamber, export vestibule and regulate chamber, guide duct is communicated with the pilot hole of pilot solenoid valve; Adjusting part be connected with valve body and with adjustment chamber, with the sectional area of regulating and controlling chamber.
2. intelligent breathing machine atomising device as claimed in claim 1, it is characterized in that, the inlet end of described gas flow controller is provided with gas flowmeter;
Described gas flowmeter connect successively the first piezometer, reference chamber, comparison room and diverting route, calibration chamber; Described diverting route at least comprises two shunt in parallel: the first shunt and second along separate routes, every bar shunt all have chamber volume and the valve being communicated with or disconnecting this shunt, be connected with one period of small-bore communicating pipe after the chamber volume of the second shunt, the bore of described small-bore communicating pipe is less than the bore of the connection tube of its place shunt other position upper; Described gas flowmeter also comprises: transfiguration room, is connected with described comparison room by the pipeline with the first stop valve, described transfiguration room variable volume, and has the bascule of volume adjusted room volume;
Constant volume chamber, is connected between described comparison room and diverting route by the pipeline with the second stop valve;
The 3rd stop valve is connected with between reference chamber and comparison room; Differential pressure piezometer, connects described reference chamber and described comparison room.
3. intelligent breathing machine atomising device as claimed in claim 2, is characterized in that, described diverting route comprises three articles of shunt in parallel: the first shunt, the second shunt and the 3rd are along separate routes;
First comprises the first valve of connecting successively, the first chamber volume, needle-valve and the second valve along separate routes;
Second comprise along separate routes connect successively the 3rd valve, the second chamber volume, the first small-bore communicating pipe and the 4th valve;
3rd comprise along separate routes connect successively the 5th valve, the 3rd chamber volume, the second small-bore communicating pipe and the 6th valve;
Also comprise feeder, described reference chamber is communicated with feeder; And/or each described shunt in described diverting route is all communicated with calibration chamber;
Described gas flowmeter also has extract system, before being communicated in described reference chamber;
Described transfiguration room is bellows structure, and described bascule is the tube wall of described corrugated tube;
Described first chamber volume is the pipeline being communicated with described first valve and described needle-valve;
Described second chamber volume is be communicated with described 3rd valve and the pipeline of described first small-bore communicating pipe;
Described 3rd chamber volume is be communicated with described 5th valve and the pipeline of described second small-bore communicating pipe;
The aperture of described small-bore communicating pipe is 5-10 micron.
4. the data detection method of the gas flowmeter of an intelligent breathing machine atomising device, it is characterized in that, gas flow state is in the duct divided into horizontal plateau and transitional states by the data detection method of described gas flowmeter, extract the data that gas flowmeter gathers, it is one group with N+1 data, if D
ifor the data that i moment gas flowmeter gathers, and D
ifor the data that current time is processing, D
i+Nfor the data that i+N moment gas flowmeter gathers, X
ifor current time processes the data of rear output, pre-set gas changes in flow rate threshold xi, the accumulative frequency q=0 of preset level plateau, preset transitional states data amount check j=0, the cumulative maximum Q of preset level plateau, parameter preset k, and k < N; Initial default gas flow state is in the duct horizontal plateau.
5. the data detection method of the gas flowmeter of intelligent breathing machine atomising device as claimed in claim 4, it is characterized in that, the date processing under horizontal plateau comprises:
If the data D that current time is processing
iwith the data X processing rear output last time
i-1between relative change rate be less than or equal to gas flow change threshold ξ, the data D namely then processed by current time
icarry out cumulative mean, accumulative frequency q=q+1;
If accumulative frequency q < is Q, then the data processing rear output are:
If q=Q, adopt first-in last-out, tail of the queue enters data, and head of the queue abandons data, and data do the data that Q cumulative mean obtains processing rear output, that is:
If the data D that current time is processing
iwith the data X processing rear output last time
i-1between relative change rate be greater than gas flow change threshold ξ, namely be not greater than k the relative change rate between data and the data processing rear output last time processed in N number of data and afterwards and be all greater than gas flow change threshold ξ, then judge the data D that current time is processing
ibe an abnormal data, the data D that this is being processed
igive up, and current time processes the previous data X processing rear output of data of rear output
i-1substitute, that is: X
i=X
i-1, the accumulative frequency of horizontal plateau is reset, q=0 meanwhile;
If the data D that current time is processing
iwith the data X processing rear output last time
i-1between relative change rate be greater than gas flow change threshold ξ, namely have in N number of data and afterwards and be more than or equal to k the relative change rate between data and the data processing rear output last time processed and be all greater than gas flow change threshold ξ, and change direction is consistent, then judge that gas flow state in the duct changes, namely gas flow state in the duct enters transitional states, now, current time processes the data of rear output and is:
X
i=(1-a) * X
i-1+ a*D
i, wherein, a is the first default weight coefficient, 0 < a < 1.
6. the data detection method of the gas flowmeter of intelligent breathing machine atomising device as claimed in claim 4, it is characterized in that, the date processing under transitional states comprises:
The data D that current time is being processed
iall r-1 of being under transitional states process the data of rear output under processing the data of rear output and last horizontal plateau above, and r data do the matching of method of least square first order curve altogether, obtain function f (X
i-1, X
i-2..., X
i-r)=A*i+B, according to f (X
i-1, X
i-2..., X
i-rthe data of)=A*i+B to the collection of i moment gas flowmeter are made prediction, and draw predictive value X
survey;
If the data that current time is processing and predictive value X
surveybetween relative change rate be less than or equal to gas flow change threshold ξ, namely then transitional states data amount check is added 1, i.e. j=j+1, and the data that current time processes rear output are:
X
i=(1-b) * X
survey+ b*D
i, wherein, b is the second default weight coefficient, and the second weight coefficient b is a dynamic hop value, 0 < b≤1, and b=b+w, and w is default stepping weight coefficient, 0 < w < 1;
If the data that current time is processing and predictive value X
surveybetween relative change rate be greater than gas flow change threshold ξ, if be not greater than the data that k is processing and the data X processing rear output last time in N number of data namely afterwards
i-1between relative change rate be all greater than gas flow change threshold ξ, then judge the data D that processing of current time
ibe an abnormal data, the data D that this is being processed
igive up, and current time processes the predictive value X of the data current time of rear output
surveysubstitute, that is: X
i=X
survey; If N-1 afterwards data have be more than or equal to k certificate and the data X processing rear output last time
i-1between relative change rate be all greater than gas flow change threshold ξ, then judge that gas flow state in the duct changes, namely gas flow state in the duct enters horizontal plateau, and now, the data that current time processes rear output are X
i=D
i.
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|---|---|---|---|
| CN201610011217.1A CN105457136A (en) | 2016-01-07 | 2016-01-07 | Intelligent atomizing device of breathing machine |
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|---|---|---|---|
| CN201610011217.1A CN105457136A (en) | 2016-01-07 | 2016-01-07 | Intelligent atomizing device of breathing machine |
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ID=55595576
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|---|---|---|---|
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| CN105920708A (en) * | 2016-07-07 | 2016-09-07 | 齐新风 | Quantitative spraying device for regional anesthesia in anesthesia department |
| CN108057156A (en) * | 2016-07-07 | 2018-05-22 | 李丽倩 | What a kind of division of respiratory disease used has the function of the lung ventilator of Neulized inhalation |
| CN108619604A (en) * | 2017-03-21 | 2018-10-09 | 小牛科技河北有限公司 | A kind of control method that atomization quantity can be made to change with the variation of respiratory flow |
| CN112074316A (en) * | 2018-03-05 | 2020-12-11 | 阿戈斯皮尔医疗公司 | Inhalation and exhalation measurement device for portable inhalation therapy and related methods |
| US20210353899A1 (en) * | 2018-10-10 | 2021-11-18 | Daniel Schwarz | Water reservoir for a device for gas humidification in laparoscopy |
| CN114209494A (en) * | 2021-12-02 | 2022-03-22 | 许敬强 | Ophthalmology is used pinkeye treatment and is used atomizing treatment ware |
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