CN104998328B - Simulated lung device and simulated lung device operating system - Google Patents
Simulated lung device and simulated lung device operating system Download PDFInfo
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- CN104998328B CN104998328B CN201510397420.2A CN201510397420A CN104998328B CN 104998328 B CN104998328 B CN 104998328B CN 201510397420 A CN201510397420 A CN 201510397420A CN 104998328 B CN104998328 B CN 104998328B
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Abstract
The invention relates to a simulated lung device operating system. The simulated lung device operating system includes a setting module which is used for setting detection parameters, an aeration module and a stopping module; the aeration module is used for controlling an aeration device to aerate a first area in a container device according to the detection parameters, so that the space of the first area is expanded, and the space of a second area in the container device is shrunk, and therefore, air in the second area flows out, and a respirator makes an expiration reaction, and the air supply pressure of the second area can be decreased; and the stopping module is used for controlling the aeration device to stop aerating the first area, so that the space of the first area is shrunk, and the space of the second area is expanded, and the air of the respirator flows into the second area, and the respirator makes an inspiration reaction, and the air supply pressure of the second area can be increased. The invention also provides a simulated lung device. With the simulated lung device and the simulated lung device operating system of the invention adopted, the lungs of people can be simulated, so that respiration can be triggered for many times, and therefore, testing of the passive aeration mode of the respirator can be completed, and the testing efficiency of the passive aeration mode of the respirator can be improved.
Description
Technical field
The present invention relates to a kind of simulated lung technology, more particularly to a kind of simulated lung device and simulated lung plant running system.
Background technology
Lung ventilator is the visual plant for the treatment of breathing class disease.Lung ventilator needs to test lung ventilator before dispatching from the factory.
Wherein, when testing the passive ventilating mode of lung ventilator, need have breathing to lung ventilator, it is passive that lung ventilator can just respond this
Ventilating mode, and multiple respiratory triggering is needed in long-term and substantial amounts of this class testing, can just complete test.However, exhaling at present
The test of suction machine is manual testing, and testing efficiency is low.
The content of the invention
In view of the foregoing, it is necessary to provide a kind of simulated lung device of simple structure, it can simulate the lung of people to touch
Repeatedly breathing is sent out, so that lung ventilator completes the test of passive ventilating mode, the test effect of the passive ventilating mode of lung ventilator is improve
Rate.
The present invention provides a kind of simulated lung device, and the simulated lung device includes：Air-breather, case, the first tracheae
And second tracheae, wherein, the case includes first area and second area；The air-breather passes through first gas
Pipe is connected with the first area, and second tracheae is connected with the second area, and the second area is also by described the
Two tracheaes are connected with lung ventilator；The air-breather is used for by the air pressure of the control first area to adjust firstth area
The space in domain and the space of the second area, when the space enlargement of the first area, the space contracting of the second area
It is little, when the reduced space of first area, the space enlargement of the second area；The case is used to work as firstth area
During the space enlargement in domain, the space of the second area is reduced, and the air in the second area is flowed out to into the breathing
Machine, the lung ventilator reduces the supply air pressure to second area；The case is additionally operable to when the space of the first area
During diminution, expand the space of the second area, and the air of the lung ventilator is flowed into into the second area, the breathing
Machine strengthens the supply air pressure to second area.
Further, the case includes liquid and dividing plate, and the liquid is located at the bottom of the case, institute
State dividing plate to be deep in the liquid from case top, so as to form two in the case air is included
Region, wherein, the region being connected with first pipeline be the first area, the region being connected with the second pipe is
The second area, the height of the dividing plate is less than the height of the case.
Further, the air-breather by the air pressure of the control first area adjusting the sky of the first area
Between and the second area space mode it is as follows：The air-breather is logical to the first area by first tracheae
Gas, to strengthen the first area in air pressure, the liquid flows to the second area from the first area, so as to expand
The space of the first area, and reduce the space of the second area so that the gas in the second area flows out to institute
State lung ventilator；The air-breather stops ventilating the first area, reduces the air pressure in the first area, the liquid
The first area is flowed to from the second area, so as to reduce the space of the first area, and expands the second area
Space so that the gas of lung ventilator flows into the second area.
Further, an air bubble apparatus are included in the case, the air bubble apparatus connect with first tracheae
Connect, the space occupied by the air bubble apparatus is the first area, the space occupied by the case removes described the
Remaining space is the second area after one region.
Further, the lung ventilator detects the flow speed in second tracheae by flow sensor, when being examined
When the flow speed of survey is higher than preset flow speed, the lung ventilator strengthens the supply air pressure to second area, when what is detected
When flow speed is less than the preset flow speed, the lung ventilator reduces the supply air pressure to second area.
The present invention also provides a kind of simulated lung plant running system, and in being applied to simulated lung device, the system includes：Arrange
Module, for arranging detection parameter；Vent Module, for when ventilation event is triggered, according to the detection state modulator
Air-breather in simulated lung device is to the first area ventilation in simulated lung device, the space enlargement of the first area and institute
State the reduced space of the second area in simulated lung device so that the gas of the second area flows out, lung ventilator makes expiration
Response, reduces the supply air pressure to the second area；Stopping modular, for when stopping event is triggered, controlling the ventilation
Device stops ventilating the first area, the space enlargement of the reduced space of the first area and the second area, institute
The gas for stating lung ventilator flows into the second area, and the lung ventilator makes air-breathing response, strengthens the confession to the second area
Gas air pressure.
Further, the detection parameter include preset pressure when ventilate to the first area, it is each to described the
The preset duration of one region ventilation, preset duration, ventilatory frequency and testing time that every time stopping is ventilated to the first area.
Further, the ventilation event refers to that the control air-breather is ventilated to the first area, and triggering is described
The condition of ventilation event includes stopping reaching the preset duration or the first area to the duration of first area ventilation
In air pressure be less than the preset pressure.
Further, the stopping event refers to that the control air-breather stops ventilating the first area, triggering
The condition of the stopping event includes reaching the preset duration or the first area to the duration of first area ventilation
In air pressure reach the preset pressure.
Further, the lung ventilator detects the flow speed in second tracheae by flow sensor, when being examined
When the flow speed of survey is higher than preset flow speed, the lung ventilator strengthens the supply air pressure to second area, when what is detected
When flow speed is less than the preset flow speed, the lung ventilator reduces the supply air pressure to second area.
Prior art is compared, the present invention provides a kind of simulated lung device and simulated lung plant running system, and it can be simulated
The lung of people, so that lung ventilator completes the test of passive ventilating mode, improves lung ventilator and passively ventilates mould to trigger repeatedly breathing
The testing efficiency of formula.
Description of the drawings
Fig. 1 is the structural representation of simulated lung device first embodiment of the present invention.
Fig. 2 is the structural representation of simulated lung device second embodiment of the present invention.
Fig. 3 is the functional block diagram of simulated lung plant running system in Fig. 1 or Fig. 2.
Fig. 4 is that simulated lung plant running method preferred embodiment of the present invention is embodied as flow chart.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, the specific embodiment, structure, feature and its effect to the present invention, describe in detail as follows.Should manage
Solution, specific embodiment described herein only to explain the present invention, is not intended to limit the present invention.
The applied environment of simulated lung plant running system 10 is illustrated below by way of two embodiments.
As shown in figure 1, for the structural representation of simulated lung device first embodiment of the present invention.In the present embodiment, the mould
Intending lung device 1 includes air-breather 10, case 11, the first tracheae 12 and the second tracheae 13.
The case 11 includes two regions, respectively first area 111 and second area 112, firstth area
Domain 111 and second area 112 refer to the region comprising gas in the case 11.
Wherein, the first area 111 is divided with second area 112 by dividing plate and liquid (for example, water or other liquid)
Open.Specifically, liquid of the case 11 equipped with preset volume (for example, three liters), the dividing plate is filled from the container
Put 11 tops and be deep into certain distance in liquid, so as to form two in the case 11 aeriferous region is wrapped, its
In, the region being connected with first pipeline 12 is the first area 111, and the region being connected with the second pipe 13 is institute
State second area 112.
It should be noted that height of the height of the dividing plate less than the case 11, so that liquid is in institute
It is connection to state in first area 111 and the second area 112, that is to say, that the liquid can be in the first area
Flow between 111 and the second area 112.
By the flowing of liquid, the space size of the first area 111 and second area 112 can be adjusted, for example, when
When air pressure in first area 111 strengthens, liquid flows to second area 112 from first area 111, so as to increased first area
111 space, and reduce the space of second area 112 so that the gas in second area 112 flows out.
The air-breather 10 is connected by first tracheae 12 with the first area 111 of the case 11.Should
Air-breather 10 is used to ventilate the first area 111, increases the air pressure of the first area 111.When the air-breather stops
When only ventilating to the first area 111, the air pressure of the first area 111 can be reduced.The air-breather 10 can be, but
Be not limited to, turbine etc. other can arbitrarily produce the device of gas.
The second area 112 is connected with second tracheae 13, and second tracheae 13 is also connected with lung ventilator 2.This is exhaled
Suction machine 2 is used to produce gas (i.e. oxygen), and is input in second area 112.Additionally, the lung ventilator 2 is additionally operable to by breathing
Detection means (for example, flow sensor) on machine 2 detects the air velocity of second tracheae 13, according to detected gas
Flow velocity degree makes expiration response or air-breathing response, so as to detect the passive ventilating mode of lung ventilator 2.The expiration response refers to institute
State lung ventilator 2 the second tracheae 13 is filled with default first air pressure (for example minimum air pressure when, the lung ventilator 2 normally runs)
Gas, air-breathing response refers to the lung ventilator 2 with default second air pressure (for example when, the lung ventilator 2 normally runs most
Atmospheric pressure) the second tracheae 13 is inflated, wherein, first air pressure is less than second air pressure.
By the breathing situation for adjusting the space size of the first area 111 and second area 112 to simulate the lung of people.
Specifically, when the reduced space of second area 112, the gas in second area 112 flows into the lung ventilator 2, shows this
Simulated lung device 1 be in expiration state (discharging gas outward), and the lung ventilator 2 in order to reduce air-flow liquidate it is (i.e. described
The gas that lung ventilator 2 is input into second area 112, because space diminishes, the gas flowed out to lung ventilator 2 is produced with second area 112
Angry stream liquidates), reduce supply air pressure of the lung ventilator 2 to second area 112 so that when the simulated lung device 1 discharges gas, more
Plus smoothly.Relatively, when the space enlargement of the second area 112, show the simulated lung device 1 in suction condition (i.e.
From outside suction gas), then the lung ventilator 2 needs to increase the gas input to the second tracheae 13 so that the simulated lung device 1
More gases (i.e. oxygen) are obtained from the lung ventilator 2.
When the lung of people is in suction condition, needs obtain more gases from the lung ventilator 2, now the lung ventilator 2
Plus atmospheric pressure, when the lung of people is in expiration state, need the gas (for example, carbon dioxide) for breathing out in lung to discharge, because breathing
The air-flow produced by gas that the air-flow of machine 2 is discharged with people's lung can occur air-flow and liquidate, and now need the gas for reducing lung ventilator 2
Pressure, is liquidated with reducing air-flow so that easily discharge the gas of the lung exhalation of people.And the simulated lung device 1 is by simulating people
Lung breathe to test the passive ventilating mode of lung ventilator.
As shown in Fig. 2 for the structural representation of simulated lung device second embodiment of the present invention.In the present embodiment, the mould
Intending lung device 1 includes air-breather 10, case 11, the first tracheae 12 and the second tracheae 13.
The case 11 includes two regions, respectively first area 111 and second area 112, firstth area
Domain 111 and second area 112 refer to the region comprising gas in the case 11.
Wherein, the first area 111 and second area 112 are by being built in 11 1 air bubble apparatus of the case
17 separate.In the present embodiment, space of the first area 111 occupied by the air bubble apparatus 17, the second area
112 is that remaining space after the first area is removed in the space occupied by the case 11.Specifically, the gas
Bulb apparatus 17 are connected by the first tracheae 12 with the air-breather 10, and the air-breather 10 is given by first tracheae 12
Air bubble apparatus 17 are ventilated.
The air bubble apparatus 17 are rubber container, and the space occupied by the air bubble apparatus 17 can become with the change of air pressure
Change, for example, when the air pressure change in air bubble apparatus 17 is strong, the air bubble apparatus 17 can expand, so as to occupy more spaces so that
The space enlargement of first area 111, correspondingly, the reduced space of second area 112 in the case 11.Work as air bubble apparatus
When air pressure in 17 dies down, the air bubble apparatus 17 can reduce, and the space of first area 111 also reduces, correspondingly, case 11
The space enlargement of interior second area 112.By adjusting the air pressure in first area 111, the first area 111 can be adjusted
And the space size of second area 112.
The air-breather 10 is connected by first tracheae 12 with the first area 111 of the case 11.Should
Air-breather 10 is used to ventilate first area 111, increases the air pressure of the first area 111.The air-breather 10 can be with
Be, but be not limited to, turbine etc. other can arbitrarily produce the device of gas.
The second area 112 is connected with second tracheae 13, and second tracheae 13 is also connected with lung ventilator 2.This is exhaled
Suction machine 2 is used to produce gas (i.e. oxygen), and is input in second area 112.Additionally, the lung ventilator 2 is additionally operable to by breathing
Detection means (for example, flow sensor) on machine 2 detects the air velocity of second tracheae 13, according to detected gas
Flow velocity degree makes expiration response or air-breathing response, so as to detect the passive ventilating mode of lung ventilator 2.The lung ventilator 2 can be,
But it is not limited to, noninvasive ventilator, invasive respirator, Pneumatic gas-controlled breathing machine, electric electricing breathing machine, Pneumatic electrical control lung ventilator etc.
Other any type of lung ventilators.
The expiration response refers to the lung ventilator 2, and with default first air pressure, (for example, the lung ventilator 2 normally runs
When minimum air pressure) second tracheae 13 is inflated, air-breathing response refers to the lung ventilator 2 with default second air pressure
(for example maximum gas pressure when, the lung ventilator 2 normally runs) is inflated to the second tracheae 13, wherein, the first air pressure is less than second
Air pressure.
By the breathing situation for adjusting the space size of the second area 112 to simulate the lung of people, specifically, when the
During the reduced space in two regions 112, show that the simulated lung device 1 is in expiration state (discharging gas outward), then lung ventilator 2
Liquidate to reduce air-flow, reduce the air pressure of lung ventilator 2 so that when the simulated lung device 1 discharges gas, more smoothly.Relatively
Ground, when the space enlargement of second area 112, shows that the simulated lung device 1 is in suction condition (discharging gas outward), then
Lung ventilator 2 needs to increase the air-flow input to the second tracheae so that the simulated lung device 1 obtains the gas of more lung ventilators 2.
When the lung of people is in suction condition, the gas of the lung ventilator 2 is needed, now the lung ventilator 2 plus atmospheric pressure, people
Lung be in expiration state when, need by lung breathe out gas (for example, carbon dioxide) discharge because the air-flow of lung ventilator 2 with
The air-flow produced by gas that people's lung is discharged can occur air-flow and liquidate, and the air pressure for reducing lung ventilator 2 persistently be needed, to reduce air-flow
Liquidate so that easily discharge the gas of the lung exhalation of people.And lung's breathing that the simulated lung device 1 passes through simulation people, come
The passive ventilating mode of test lung ventilator.
As shown in figure 3, for the functional block diagram of simulated lung plant running system in Fig. 1 or Fig. 2.The simulated lung plant running
System 100 is run in simulated lung device 1, the simulated lung device 100 except including the simulated lung device 1, also including input/
Output unit 14, processing unit 15, and memory cell 16.
The I/O unit 14, for providing human-computer interaction interface, for user input Monitoring instruction, and exports aobvious
Show response data of the simulated lung device 1 to Monitoring instruction.The I/O unit 14 is included but is not limited to, keyboard, mouse,
The devices such as display.
The processing unit 15, for controlling and performs the simulated lung plant running system 10, for detecting the breathing
The passive ventilating mode of machine 2.
The memory cell 16, for storing the simulated lung plant running system 100, and the simulated lung plant running system
100 service data.
The simulated lung plant running system 100 includes setup module 101, Vent Module 103, judge module 102, and stops
Module 104.Module alleged by the present invention is the computer program code segments for completing a specific function, than program more suitable for describing software
To software description all with module description below implementation procedure in a computer, therefore the present invention.
The function of the simulated lung plant running system 100 is illustrated below in conjunction with first embodiment and second embodiment.
The setup module 101, for arranging detection parameter.The detection parameter is included when ventilating to first area 111
Preset pressure, preset duration every time to the ventilation of first area 111, the preset duration to the ventilation of first area 111 of stopping every time,
The parameters such as ventilatory frequency, testing time.User can arrange the detection parameter by the I/O unit 14.
The judge module 102, for judging whether to trigger ventilation event.The ventilation event refers to the control ventilation
Ventilate 10 pairs of first areas 111 of device.The condition for triggering the ventilation event includes, but not limited to stop to the firstth area
The air pressure that the duration of the ventilation of domain 111 exceedes in the preset duration, or first area 111 is less than the preset pressure.If stopping
The air pressure that the duration of the ventilation of first area 111 exceedes in the preset duration, or first area 111 is less than or equal to described pre-
If during air pressure, the triggering ventilation event of the judge module 102 controls the air-breather 10 and first area 111 is ventilated.
The Vent Module 103, for ventilating to increase the sky of first area to first area 111 according to the detection parameter
Between, the reduced space in the second area 112 so that the gas of the second area 112 flows out to the lung ventilator 2, institute
State lung ventilator 2 and make expiration response, reduce the supply air pressure to second area 112.In the present embodiment, the Vent Module
The 103 controls air-breather 10 is ventilated with the preset pressure in the detection parameter to the first area 111.
Specifically, as shown in figure 1, when the air-breather 10 passes through first tracheae, 12 pairs of first areas
During 111 ventilation, the air pressure of first area 111 strengthens, and promotes liquid to flow to second area 112, and the space of first area 111 is expanded
Greatly, the reduced space of second area 112 so that the gas in second area 112 flows into the lung ventilator 2, flows into lung ventilator 2
Gas produces air-flow and liquidates with the gas of the lung ventilator 2, so as to reduce the air velocity of the second tracheae 13, when the breathing
(user can be arranged in advance in the lung ventilator 2 when the air velocity that the pneumatic sensor of machine 2 is detected is less than default air flow value
If air flow value), the lung ventilator 2 starts response of exhaling, and reduces the supply air pressure to the second area 112.
Specifically, as shown in Fig. 2 when the air-breather 10 passes through first tracheae, 12 pairs of first areas
During 111 ventilation, the air bubble apparatus 17 expand, and first area 111 becomes big, so as to reduce second area 112 so that the secondth area
Lung ventilator 2 described in gas flow in domain, the gas of the gas and the lung ventilator 2 that flow to lung ventilator 2 produces air-flow and liquidates, from
And the air velocity of the second tracheae 13 is reduced, the lung ventilator 2 detects the default air-flow of air velocity by pneumatic sensor
During value (user can arrange in the lung ventilator 2 default air flow value), the lung ventilator 2 starts response of exhaling, and reduces to the
The supply air pressure in two regions 112.
The judge module 102, for judging whether to trigger stopping event.The stopping event refers to the control ventilation dress
Put 10 stoppings to ventilate the first area 111.The condition for triggering the stopping event includes, but not limited to first area
The air pressure that the duration of 111 ventilations is reached in the preset duration, or first area 111 reaches the preset pressure.If to first
When the air pressure that the duration of the ventilation of region 111 is reached in the preset duration, or first area 111 reaches the preset pressure, institute
State judge module 102 and trigger the stopping event, control the air-breather 10 and stop ventilating first area 111.
The stopping modular 104, stops to first for when the stopping event is triggered, controlling the air-breather 10
Region 111 is ventilated, the reduced space of first area 111 and the space enlargement of second area, when be connected with second area 112
When the air velocity of two tracheaes 13 is higher than the default air velocity, the lung ventilator 2 makes air-breathing response, increases to the secondth area
The supply air pressure in domain.
Specifically, as shown in figure 1, when the air-breather 10 is not ventilated to first area 111, the air pressure of first area
Diminish, liquid flows to the first area 111, the space enlargement of the second area 112, the gas for flowing into the second tracheae 13 increases
Plus.
Specifically, as shown in Fig. 2 when the air-breather 10 is not ventilated to first area 111, in air bubble apparatus 17
Air pressure diminishes, and air bubble apparatus 17 reduce so that the reduced space of the first area in air bubble apparatus 17, and the space of second area is expanded
Greatly, flowing into the gas of the second tracheae 13 increases.
The gas of the lung ventilator 2 is superimposed with the gas for flowing into second tracheae 13, so as to increased the second tracheae 13
Air velocity, the pneumatic sensor of the lung ventilator 2 detects the air velocity of the second tracheae 13, when second tracheae 13
Higher than (user can arrange default air flow value in the lung ventilator 2) during default air flow value, the lung ventilator 2 is opened air velocity
Dynamic response of exhaling, to increase the supply air pressure to the second area 112.
The judge module 102, is additionally operable to judge whether the testing time reaches.If the testing time reaches, breathing mould is closed
Intend lung device 1.
As shown in figure 4, being embodied as flow chart for simulated lung plant running method preferred embodiment.
It is emphasized that：Flow chart shown in Fig. 4 is only a preferred embodiment, and those skilled in the art appoints when knowing
What should not all depart from the scope covered in following technical scheme around the embodiment that inventive concept builds：
The first area is ventilated, expands the space of the first area, reduce the space of second area so that second
Gas in region flows into lung ventilator, and lung ventilator makes breathing response, reduces the supply air pressure to second area；Stop to described
First area ventilation, the reduced space of first area and the space enlargement of second area, gas flows into second area, and lung ventilator does
Go out air-breathing response, increase the supply air pressure to second area.
The following is the passive ventilating mode that detection lung ventilator is done step-by-step with reference to the present embodiment.
Step S10, the setup module 101 arranges detection parameter.When the detection parameter includes ventilating first area 111
Preset pressure, preset duration every time to the ventilation of first area 111, stop every time to the ventilation of first area 111 it is default when
The parameters such as length, ventilatory frequency, testing time.User can arrange the detection parameter by the I/O unit 14.
Step S11, the judge module 102 judges whether to trigger ventilation event.The ventilation event refers to that control is described
Air-breather 10 controls 10 pairs of first areas 111 of the air-breather and ventilates.Triggering the condition of the ventilation event includes,
But it is not limited to, the air pressure for stopping reaching in the preset duration, or first area 111 duration of the ventilation of first area 111 is low
In the preset pressure.If stopping reaching in the preset duration, or first area 111 duration of the ventilation of first area 111
Air pressure when being less than the preset pressure, the judge module 102 triggers the ventilation event, controls the air-breather 10 pairs
Ventilate first area 111.If the ventilation event is triggered, flow process enters step S12.If not triggering the ventilation event,
Repeat step S11.
Step S12, Vent Module 103 ventilates to increase first area according to the detection parameter to first area 111
Space, the reduced space in the second area 112 so that the gas of the second area 112 flows out, the lung ventilator 2 does
Go out response of exhaling, reduce the supply air pressure to second area 112.In the present embodiment, the Vent Module 103 controls described logical
Device of air 10 is ventilated with the preset pressure in the detection parameter to the first area 111.
In the first embodiment, as shown in figure 1, when the air-breather 10 passes through first tracheae 12 pairs described first
When region 111 is ventilated, the air pressure of first area 111 strengthens, and promotes liquid to flow to second area 112, the space of first area 111
Expand, the reduced space of second area 112 so that the gas in second area 112 flows into the lung ventilator 2, flow into lung ventilator 2
The gas of gas and the lung ventilator 2 produce air-flow and liquidate, so as to reduce the air velocity of the second tracheae 13, exhale when described
(user can be arranged in the lung ventilator 2 when the air velocity that the pneumatic sensor of suction machine 2 is detected is less than default air flow value
Default air flow value), the lung ventilator 2 starts response of exhaling, to reduce the supply air pressure to the second area 112.
In a second embodiment, as shown in Fig. 2 when the air-breather 10 passes through first tracheae 12 pairs described first
When region 111 is ventilated, the air bubble apparatus 17 expand, and first area 111 becomes big, so as to reduce second area 112 so that the
Lung ventilator 2 described in gas flow in two regions, the gas of the gas and the lung ventilator 2 that flow to lung ventilator 2 produces air-flow pair
Punching, so as to reduce the air velocity of the second tracheae 13, the lung ventilator 2 detects air velocity and presets by pneumatic sensor
During air flow value (user can arrange default air flow value in the lung ventilator 2), the lung ventilator 2 starts response of exhaling, to subtract
Few supply air pressure to second area.
Step S13, judge module 102 judges whether to trigger stopping event.The stopping event refers to the control ventilation
Device 10 stops ventilating the first area 111.The condition for triggering the stopping event includes, but not limited to the firstth area
The air pressure that the duration of the ventilation of domain 111 is reached in the preset duration, or first area 111 reaches the preset pressure.If to
When the duration of the ventilation of one region 111 reaches air pressure in the preset duration, or first area 111 and exceedes the preset pressure,
Flow process enters step S14.Otherwise, if being not reaching to the preset duration and first area to the duration of the ventilation of first area 111
Air pressure in 111 is not reaching to the preset pressure, repeats step S13.
Step S14, the stopping modular 104 controls the air-breather 10 to be stopped ventilating first area 111, first area
111 reduced space and the space enlargement of second area, when the air velocity height of the second tracheae 13 being connected with second area 112
When the default air velocity, the lung ventilator 2 makes air-breathing response, increases the supply air pressure to second area.
In the first embodiment, as shown in figure 1, when the air-breather 10 is not ventilated to first area 111, first area
Air pressure diminish, liquid flows to the first area 111, the space enlargement of the second area 112, flows into the second tracheae 13
Gas increases.
In a second embodiment, as shown in Fig. 2 when the air-breather 10 is not ventilated to first area 111, air bubble apparatus
Air pressure in 17 diminishes, and air bubble apparatus 17 reduce so that the reduced space of the first area in air bubble apparatus 17, second area
Space enlargement, flowing into the gas of the second tracheae 13 increases.
The gas of the lung ventilator 2 is superimposed with the gas for flowing into second tracheae 13, so as to increased the second tracheae 13
Air velocity, the pneumatic sensor of the lung ventilator 2 detects the air velocity of the second tracheae 13, when second tracheae 13
Higher than (user can arrange default air flow value in the lung ventilator 2) during default air flow value, the lung ventilator 2 is opened air velocity
Dynamic response of exhaling, to increase the supply air pressure to the second area 112.
Step S14, the judge module 102 judges whether the testing time reaches.If the testing time reaches, terminate stream
Journey, closes simulated lung device 1.If the testing time does not reach, flow process return to step S11.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of simulated lung device, the simulated lung device includes：
Air-breather, case, the first tracheae and the second tracheae, wherein, the case includes first area and second
Region；
The air-breather is connected by first tracheae with the first area, second tracheae and the second area
Connection, the second area is also connected by second tracheae with lung ventilator；
Characterized in that, the air-breather is used for by the air pressure of the control first area to adjust the first area
Space and the space of the second area, when the space enlargement of the first area, the reduced space of the second area, when
During the reduced space of first area, the space enlargement of the second area；
The case is used for when the space enlargement of the first area, reduces the space of the second area, and by institute
State the air in second area and flow out to the lung ventilator, the lung ventilator reduces the supply air pressure to second area；And
The case is additionally operable to when the reduced space of the first area, expands the space of the second area, and will
The air of the lung ventilator flows into the second area, and the lung ventilator strengthens the supply air pressure to second area.
2. simulated lung device as claimed in claim 1, it is characterised in that the case includes liquid and dividing plate, described
Liquid be located at the case bottom, the dividing plate from the case top be deep in the liquid, so as to
Two are formed in the case and wraps aeriferous region, wherein, the region being connected with first pipeline is described first
Region, the region being connected with the second pipe is the second area, and the height of the dividing plate is less than the case
Highly.
3. simulated lung device as claimed in claim 2, it is characterised in that the air-breather is by the control first area
Air pressure to adjust the space of the first area and the space of the second area in the way of it is as follows：
The air-breather is ventilated by first tracheae to the first area, to strengthen the first area in gas
Pressure, the liquid flows to the second area, so as to expand the space of the first area, and reduces institute from the first area
State the space of second area so that the gas in the second area flows out to the lung ventilator；And
The air-breather stops ventilating the first area, reduces the air pressure in the first area, and the liquid is from institute
State second area and flow to the first area, so as to reduce the space of the first area, and expand the sky of the second area
Between so that the gas of lung ventilator flows into the second area.
4. simulated lung device as claimed in claim 1, it is characterised in that include an air bubble apparatus in the case,
The air bubble apparatus are connected with first tracheae, the space occupied by the air bubble apparatus be the first area, the appearance
It is the second area that remaining space after the first area is removed in space occupied by device device.
5. simulated lung device as claimed in claim 1, it is characterised in that the lung ventilator is described by flow sensor detection
Flow speed in second tracheae, when the flow speed for being detected is higher than preset flow speed, the lung ventilator strengthens to the
The supply air pressure in two regions, when the flow speed for being detected is less than the preset flow speed, the lung ventilator is reduced to the
The supply air pressure in two regions.
6. a kind of simulated lung plant running system, in running on the simulated lung device described in any one of claim 1 to 5, it is special
Levy and be, the system includes：
Setup module, for arranging detection parameter；
Vent Module, for the ventilation when ventilation event is triggered, in the simulated lung device according to the detection state modulator
Device is ventilated to the first area in simulated lung device, the in the space enlargement of the first area and the simulated lung device
The reduced space in two regions so that the gas of the second area flows out to lung ventilator, the lung ventilator is reduced to described second
The supply air pressure in region；And
Stopping modular, stops ventilating the first area for when stopping event is triggered, controlling the air-breather, described
The space enlargement of the reduced space of first area and the second area, the gas of the lung ventilator flows into the second area,
The lung ventilator strengthens the supply air pressure to the second area.
7. simulated lung plant running system as claimed in claim 6, it is characterised in that the detection parameter is included to described
Preset pressure when one region is ventilated, preset duration every time to first area ventilation, each stopping are to firstth area
Preset duration, ventilatory frequency and testing time that domain is ventilated.
8. simulated lung plant running system as claimed in claim 7, it is characterised in that the ventilation event refers to that control is described
Air-breather is ventilated to the first area, and triggering the condition of the ventilation event includes stopping to first area ventilation
Duration reaches the preset duration or the air pressure in the first area is less than the preset pressure.
9. simulated lung plant running system as claimed in claim 7, it is characterised in that the stopping event refers to that control is described
Air-breather stops ventilating the first area, and triggering the condition of the stopping event is included to first area ventilation
Duration reaches the preset duration or the air pressure in the first area reaches the preset pressure.
10. simulated lung plant running system as claimed in claim 6, it is characterised in that the lung ventilator passes through flow sensing
Device detects the flow speed in second tracheae, when the flow speed for being detected is higher than preset flow speed, the breathing
Machine strengthens the supply air pressure to the second area, described when the flow speed for being detected is less than the preset flow speed
Lung ventilator reduces the supply air pressure to the second area.
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Citations (3)
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|---|---|---|---|---|
| CN102114290A (en) * | 2009-12-31 | 2011-07-06 | 北京谊安医疗系统股份有限公司 | Method, device and system for detecting breathing machine |
| DE102010027436B3 (en) * | 2010-07-09 | 2011-07-21 | Schaller, Peter, Dr., 01326 | Lung simulator for training and testing of respirators for simulation of patient lung, has controller, where electrical outputs of pressure sensors and volumetric flow sensor are connected with inputs of controller |
| CN103330982A (en) * | 2013-07-08 | 2013-10-02 | 北京航空航天大学 | Test lung with self learning function |
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| US3808706A (en) * | 1973-01-29 | 1974-05-07 | Michigan Instr Inc | Pneumatic lung analog |
| US4430893A (en) * | 1981-11-16 | 1984-02-14 | Michigan Instruments, Inc. | Pneumatic lung analog for simulation of spontaneous breathing and for testing of ventilatory devices used with spontaneously breathing patients |
| DE102007008781A1 (en) * | 2007-02-22 | 2008-08-28 | G. Lohmeier Gmbh | Device for lung simulation, has two plates, which are measured by angle sensor, and sensor measures pressure inside and outside of folding bellows |
| US20110250578A1 (en) * | 2010-04-13 | 2011-10-13 | Northern Alberta Institute Of Technology | Ventilator test lung and trigger assembly |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102114290A (en) * | 2009-12-31 | 2011-07-06 | 北京谊安医疗系统股份有限公司 | Method, device and system for detecting breathing machine |
| DE102010027436B3 (en) * | 2010-07-09 | 2011-07-21 | Schaller, Peter, Dr., 01326 | Lung simulator for training and testing of respirators for simulation of patient lung, has controller, where electrical outputs of pressure sensors and volumetric flow sensor are connected with inputs of controller |
| CN103330982A (en) * | 2013-07-08 | 2013-10-02 | 北京航空航天大学 | Test lung with self learning function |
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Address after: 410205 Room 101, 1st floor, north of superstar entrepreneurship base, No. 8 Lujing Road, high tech Development Zone, Changsha, Hunan Patentee after: Hunan Mingkang Zhongjin Medical Technology Co.,Ltd. Address before: 410000 101, North 1st floor, giant star entrepreneurship base, No. 8 Lujing Road, high tech Development Zone, Changsha City, Hunan Province Patentee before: HUNAN MICOME ZHONGJIN MEDICAL SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |