CN103853064B - Fluid electronic control system and anesthetic machine - Google Patents
Fluid electronic control system and anesthetic machine Download PDFInfo
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- CN103853064B CN103853064B CN201210512668.5A CN201210512668A CN103853064B CN 103853064 B CN103853064 B CN 103853064B CN 201210512668 A CN201210512668 A CN 201210512668A CN 103853064 B CN103853064 B CN 103853064B
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- 239000012530 fluid Substances 0.000 title claims abstract description 98
- 230000003444 anaesthetic Effects 0.000 title claims abstract description 83
- 239000007789 gas Substances 0.000 claims description 441
- 210000002345 respiratory system Anatomy 0.000 claims description 91
- 206010002091 Anaesthesia Diseases 0.000 claims description 42
- 230000037005 anaesthesia Effects 0.000 claims description 42
- 230000005540 biological transmission Effects 0.000 claims description 37
- 230000001276 controlling effect Effects 0.000 claims description 18
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 12
- 239000003994 anesthetic gas Substances 0.000 claims description 10
- 230000002633 protecting Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 2
- 238000007689 inspection Methods 0.000 claims 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 68
- 230000002441 reversible Effects 0.000 description 54
- 229910052760 oxygen Inorganic materials 0.000 description 41
- 239000001301 oxygen Substances 0.000 description 41
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 41
- 235000013842 nitrous oxide Nutrition 0.000 description 34
- 230000000875 corresponding Effects 0.000 description 24
- 238000010586 diagram Methods 0.000 description 20
- 238000001514 detection method Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 238000002156 mixing Methods 0.000 description 7
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- 239000007788 liquid Substances 0.000 description 5
- 230000001105 regulatory Effects 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 239000008246 gaseous mixture Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 229940035674 ANESTHETICS Drugs 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001143 conditioned Effects 0.000 description 2
- 231100000078 corrosive Toxicity 0.000 description 2
- 231100001010 corrosive Toxicity 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000003193 general anesthetic agent Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003533 narcotic Effects 0.000 description 2
- 239000001272 nitrous oxide Substances 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 230000002093 peripheral Effects 0.000 description 2
- 230000001172 regenerating Effects 0.000 description 2
- 230000000241 respiratory Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 210000004709 Eyebrows Anatomy 0.000 description 1
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 240000007643 Phytolacca americana Species 0.000 description 1
- 210000003437 Trachea Anatomy 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003044 adaptive Effects 0.000 description 1
- 230000001058 adult Effects 0.000 description 1
- 238000001949 anaesthesia Methods 0.000 description 1
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Abstract
The invention discloses a kind of fluid electronic control system and use the anesthetic machine of this control system.This fluid electronic control system includes driving valve and electrically-controlled valve system.This driving valve includes the outlet of piston, fluid intake, first fluid and second fluid outlet.Piston includes mutually isolated first passage and second channel, and this piston can switch under the driving driving fluid between the first position and the second position.Fluid intake is used for introducing fluid to be transmitted, and when piston is switched to primary importance, described fluid intake is connected with first passage, and when piston is switched to the second position, described fluid intake is connected with second channel.First fluid outlet connects with first passage.Second fluid outlet connects with second channel.This electrically-controlled valve system controls to drive fluid to flow to drive valve thus drives piston to switch between the first position and the second position.The anesthetic machine of the present invention is compatible preferably.
Description
Technical field
The present invention relates to a kind of control to anaesthetize the electronic control system of fluid in transmission system, especially control stream
Body switches the fluid electronic control system of transmission between main respiratory system and assisted breathing system, and has
This fluid electronic control system and the anesthetic machine of auxiliary common gas outlet.
Background technology
Anesthetic machine must accurately and reliably control the ventilation of patient.In existing anesthetic gases induction system, root
Adult's anesthetic machine and children's's anesthetic machine can be divided into, with preferably according to the design feature of internal system part
Anesthesia surgery is implemented for different crowd.But the equipment purchase cost of hospital can be increased thus, moreover special
Anesthetic machine in certain crowd is using meeting in frequency relatively low, and the most structure of anesthetic machine the most of the same race is phase
With, such as anesthetic gases mixing portion.Visible, the compatibility of anesthetic machine of the prior art has much room for improvement.
Summary of the invention
The main technical problem to be solved in the present invention is that the compatibility of anesthetic machine has much room for improvement.
For solving above-mentioned technical problem, the present invention provides a kind of fluid electronic control system, and it includes driving valve
With electrically-controlled valve system.This driving valve includes the outlet of piston, fluid intake, first fluid and second fluid outlet.
Piston includes mutually isolated first passage and second channel, and this piston can be the under the driving driving fluid
Switch between one position and the second position.Fluid intake is used for introducing fluid to be transmitted, when piston is switched to
During one position, described fluid intake is connected with first passage, when piston is switched to the second position, described
Fluid intake is connected with second channel.First fluid outlet connects with first passage.Second fluid outlet with
Second channel connects.This electrically-controlled valve system controls to drive fluid to flow to drive valve thus drives piston at first
Put and switch between the second position.
The present invention also provides for a kind of anesthetic machine using above-mentioned fluid electronic control system.This anesthetic machine includes fiber crops
Liquor-saturated gas mixing system, fluid electronic control system, main respiratory system and auxiliary common gas outlet.Anesthesia
Gas mixing system output mixed gas, fluid electronic control system control mixed gas is selected described in the flow direction of
Main respiratory system or auxiliary common gas outlet.
The gaseous mixture that anesthetic gases hybrid system is formed by the anesthetic machine of the present invention by fluid electronic control system
The guiding that body selects one in automatically controlled mode exports to main respiratory system or auxiliary common gas, thus carries for anesthetic machine
For more connected mode, the compatible more external respiratory system of energy, improves it practical compatible.It addition,
The fluid control systems of electric-controlled type can obtain higher fluid flow, promotes the usable range of system.
Accompanying drawing explanation
Fig. 1 is showing of the gas electronic control system of the anesthesia transmission system 100 of one embodiment of the present invention
Being intended to, this electronic control system is used for controlling oxygen, laughing gas, air；
Fig. 2 is the gas electronic control system of the anesthesia transmission system 200 of another embodiment of the present invention
Schematic diagram；
Fig. 3 is the schematic perspective view of the anesthetic machine of one embodiment of the present invention；
Fig. 4 is the close-up schematic view of anesthetic machine shown in Fig. 3；
Fig. 5 is the system block diagram of a kind of anesthetic machine of the present invention；
Fig. 6 is the schematic diagram of the anesthetic machine of one embodiment of the present invention；
Fig. 7 is the close-up schematic view of the anesthetic machine of one embodiment of the present invention；
Fig. 8 is the schematic diagram of the control panel of the anesthetic machine of one embodiment of the present invention；
Fig. 9 A is the schematic diagram that the ACGO valve system that a kind of anesthetic machine of the present invention is used is in the first state；
Fig. 9 B is the schematic diagram that ACGO valve system shown in Fig. 9 A is switched to the second state；
Figure 10 be one embodiment of the present invention anesthesiaing system in for the three-dimensional knot driving valve of ACGO valve
Structure schematic diagram；
The cross-sectional view that Figure 11 A is that the present invention is a kind of when driving valve to be in primary importance；
Cross-sectional view when Figure 11 B is to drive shown in Figure 11 A valve to be in the second position；
Figure 12 is the principle schematic of the valve system controlled for ACGO of another embodiment of the present invention；
Figure 13 A is that the valve system for ACGO control of another embodiment of the present invention is in the first state
The structural representation of (state 1)；
Figure 13 B is that the valve system for ACGO control shown in Figure 13 A is in the second state (state 2)
Structural representation；
Figure 14 be one embodiment of the present invention valve system in the perspective view of drive valve system；
Figure 15 A is that the ACGO valve system of another embodiment of the present invention is in the first state (state 1)
Principle schematic, wherein valve system includes the cross valve of a kind of form；
Figure 15 B is the principle schematic that ACGO valve system shown in Figure 15 A is in the second state (state 2)；
Figure 16 A is that the ACGO valve system of another embodiment of the present invention is in the first state (state 1)
Principle schematic, wherein valve system includes another form of cross valve；
Figure 16 B is the principle schematic that ACGO valve system shown in Figure 16 A is in the second state (state 2).
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
In various embodiments, doctor can be with electronically and/or mechanically formula in modern anaesthetic delivery system
Ground controls the flow of fluid (gas and/or liquid), such as the flow of oxygen, laughing gas and air.One or
Multiple control handles may be configured to mode electronically or mechanically and control the flow of one or more gases.Fiber crops
Liquor-saturated transmission system can utilize Non-follow control for basic control system to control one or more gases and/or anesthesia
The flow of agent.It addition, Non-follow control can also standby as electronic control system.
Mixed gas, including one or more gases and/or anesthetis, flows to patient by main respiratory system.
Main respiratory system can include any kind of respiratory system, resorbs formula respiratory organ as non-, and Closed Cycle is exhaled
Haustorium, and semi-enclosed circulatory and respiratory device.This mixed gas can also pass through an assisted respiartion system extraly
System is transported to patient.Such as, an anaesthetic delivery system can include an auxiliary common gas outlet.Mixed
Close gas can be directed to assist common gas outlet, by this outlet be input to an assisted respiartion machine or
Other gas systems.
In some detailed description of the invention, mixed gas can optionally be imported to main respiratory system or auxiliary
Common gas is helped to export.In one embodiment, the importing of mixed gas is by using manual operation
Pneumatic regulation or switch realize.Such as, hands can be used from the switching of main respiratory system to assisted breathing system
The air operated reversing valve of dynamic operation realizes.
In the embodiment having, an electronically controlled auxiliary common gas outlet valve (ACGO valve) can
It is configured to optionally mixed gas be imported main respiratory system or ACGO.This transformation process can lead to
Cross electrical switch, button, driver plate, slide block, touch screen, or other electronic input apparatus to control.This ACGO
Valve can be configured to one or more gases and/or anesthetics, and system can provide relatively high flow, it is provided that fiber crops
The use of liquor-saturated machine is compatible.
Additionally, the ACGO that the state that remains at last operating and setting from mechanical actuation switches is different, automatically controlled
Valve can be configured to return to a kind of state that next time, most probable used.Additionally, in one is implemented, based on
The ACGO detected have with external auxiliary breathing apparatus produce gas be connected (such as, trachea) or electronics
The detection signal connected, this ACGO valve can be configured to automatically be switched to from main respiratory system by air-flow
ACGO。
As described in detail by rear, mixed gas air-flow optionally can be imported main respiratory system by reversal valve
And ACGO.And by driving the gas driving to reversal valve, reversal valve can be made to cut between the two states
Change.Drive gas can be controlled by one or more locking selector valves.In different enforcement, lock selector valve
It is bistable.In some embodiments, one or more locking selector valves can replace various valve,
Including non-bi-stable valve.Reversal valve can be configured to the bistable state switching valve of gas-powered.
It addition, reversal valve can be configured to by default one mixed gas be imported to main respiratory system,
Unless it is driven gas-powered to change state by one and mixed gas switching is imported to ACGO.Such as,
Reversal valve can be provided biasing precompressed, the passage that this reversal valve is formed by default will mix by spring
Gas imports to main respiratory system.Reversal valve includes valve body and is configured in the piston moved back and forth in valve body.
Valve body includes the air inlet of a gas to be transmitted (mixed gas) and two gas outlets.When transferring to first
During position, piston can introduce gas into the outlet of main respiratory system, when transferring to the second position, then imports to
ACGO。
In one embodiment, valve body includes a flexible member, such as spring, makes in one end of piston to live
Plug acquiescence is in primary importance.Valve body includes driving gas inlet to make driving gas optionally to drive
Piston is to the second position.In some implementations, valve body includes that one second drives gas access.Such one
In individual embodiment, gas inlet and second can be driven by optionally applying driving gas in first
Drive gas inlet (or claiming the first driving gas access and second to drive gas access), make piston first
Change between position and the second position.
In one embodiment, an electric-controlled switch or electrically-controlled valve system can include a reversal valve, in order to choosing
Mixed gas is made to selecting property to import main respiratory system or ACGO.Electrically-controlled valve system can include being driven gas to drive
Dynamic piston, this piston translates between two positions.Based on the multiple reversal valves controlled by three-way diverter valve
The network constituted, drives gas can optionally be imported the two ends of piston.This three-way diverter valve can be lock
Determine bistable state selector valve.
Reversal valve can also include one or more pop off valve and/or position detecting switch.Reversal valve also may be used
Including protection device and/or cover various different device, as with protection formula switch protection position detecting switch.Though
In the different examples so here enumerated, fluid is described as a kind of gas, such as oxygen, laughing gas, and/or sky
Gas.But, various liquid and/or gas can be applicable to system and method described herein or through adaptability
The system and method for amendment.
Once comprise anesthetic gases or narcotic mixed gas flows through automatically controlled or manual flow control parts, just
May proceed to eventually flow to forward outlet.By an auxiliary common gas outlet valve (Auxiliary Common
Gas Outlet valve, ACGO valve) mixed gas can be directed to a main respiratory system or guiding
To ACGO.This ACGO valve can as the replacement of manual operation pneumatic control switch or supplement.The present invention
ACGO valve, go for high flow capacity anesthesiaing system, and preferable bio-compatibility be provided, can be in richness
Use under oxygen environment, the anesthetis with potential corrosion can be carried.For the sake of describing for simplicity, below
The unified saying employing ACGO valve, this title can be common gas discharge control valve with equivalent, be total to
The title of its function original idea can be represented with gas outlet's valve etc..
Main respiratory system can be various forms of respiratory system, includes but not limited to non-circulating type respiratory system
(non-regenerative respiratory system), closed-loop regeneration formula respiratory system, semiclosed loop regenerative respiratory system.User can
Optionally mixed gas is transferred to by being connected to the assisted breathing system of ACGO by ACGO valve
Patient.The mode selected can be passed through electronic case, switch, rotating disk, slide block, touch screen etc. and realize.
Furthermore, it is contemplated that the mechanically actuated switch in anesthesiaing system can keep the end-state used last time, electricity
The ACGO valve of control formula can be configured to automatically restore to the state that most probable next time is used.Such as, ACGO
Valve system reboot, restore electricity, begin to use every time time or according to the ACGO detected and external auxiliary
The gas of system/electrically connect situation, transfers to ACGO by air-flow from main respiratory system automatically, and vice versa.
In some embodiments, ACGO valve includes driving valve.Valve is driven to drive gas/driving stream in input
Control mixed gas under the driving of body and flow to respiratory system or ACGO.Described driving gas is controlled by one
Or multiple automatically controlled locking selector valves or title reversal valve.Described locking selector valve can be bistable valve.
In some embodiments, locking selector valve can also be similar to two or more selections by other various can realizations
The valve of state is constituted, bistable also it is not necessary to.
In some embodiments, drive valve that mixed gas can guide main respiratory system by default,
This purpose can be realized, such as spring or drawing plate by the biasing of flexible member.By gas will be driven
Body guides driving valve into, mixed gas can then flow to ACGO.Drive valve can include valve body and piston, its
Middle piston can move back and forth in valve body.Valve body includes a mixed gas entrance and two mixed gas outlets,
Wherein mixed gas entrance is used for introducing mixed gas, and mixed gas can be front end anesthetic gases hybrid system
Fresh air or quick oxygenation module that conveying comes transmit the gas of coming.One of them mixed gas outlet is used
In mixed gas is drained to main respiratory system, another mixed gas outlet is for being drained to mixed gas
ACGO.When piston is in primary importance, mixed gas is drained to main respiratory system, and works as piston movement
During to the second position, then mixed gas is drained to ACGO.By default, piston may be at two
Any one in individual position, i.e. system mode be in acquiescence mixed gas is drained to main respiratory system or
ACGO one of them.Can select to arrange the system mode under default situations according to different demands.
In one embodiment, valve body also includes a flexible member, and this flexible member is arranged on piston
One end, is used for controlling piston and is in primary importance by default.Valve body also includes that one drives gas to enter
Mouthful, it is used for introducing driving gas and drives the piston into the second position.In some embodiments, valve body is permissible
Drive gas access including two, and drive gas can realize driving from different driving gas access introducings and live
Plug arrives primary importance or the second position.In one embodiment, driving gas can be based on by a threeway
The driving valve network that selector valve controls optionally is directed to wherein one end of the opposite end of piston.These are three years old
Logical selector valve can be a kind of self-locking, bistable selector valve.
Drive valve can include one or above pressure valve or/and position detecting switch.Driving valve is all right
Farther include various forms of sheath for protecting the various element of valve, such as switch protection set to be used for protecting
Protect position detecting switch.
In various embodiments, controller or control system can be various by hardware, software, firmware etc.
Form or combination realize, and are such as realized by FPGA.Controller or control system are respectively used to control
The module of subsystems can be separate, it is also possible to is separated from each other and is separately provided, or thin consolidation.
Compared by hardware controls and control to may be such that whole system is the most reliable by software, or by control be
The submodule scattering device of system can also reduce mutual interference and improve reliability.Controller or control
System can pass through general purpose computer, special-purpose computer, supporting memorizer, network etc. composition, storage
Device can use various suitable poke medium, including being the most no longer discussed in detail.
The embodiment of the present invention, all with gas control system, is i.e. anaesthetized as a example by transmission system the present invention in anesthetic machine
Design be illustrated, but persons skilled in the art are it should be appreciated that the basic conception of the present invention and method
And adaptive deformation method can be used for any fluid control systems.In wherein being illustrated use oxygen,
Nitrous oxide (laughing gas) and air are also by illustrating the object lesson that the present invention is lifted, can replace to easily
Other are suitable for or required gas or fluid.
Below in conjunction with accompanying drawing, the various embodiments of the present invention are described, wherein class in different embodiments
The similar element numbers first associated is have employed like element.In the following embodiments, a lot of details describe
It is so that the present invention can be better understood.But, those skilled in the art can recognize without lifting an eyebrow
Knowledge is arrived, and wherein Partial Feature is dispensed with in varied situations, or can by other elements, material,
Method is substituted.In some cases, the certain operations that the present invention is correlated with not the most in the description display or
Person describes, and this is in order to avoid the core of the present invention is flooded by too much description, and for this area
For technical staff, it is not necessary for describing these associative operations in detail, and they are according to retouching in description
State and the general technology knowledge of this area can completely understand associative operation.
It addition, feature described in this description, operation or feature can combine in any suitable way
Form various embodiment.Meanwhile, each step or action during method describes can also be according to this area skills
Art personnel institute can obvious mode be carried out sequentially exchanging or adjusting.Therefore, each in specification and drawings
Plant order to be intended merely to clearly describe some embodiment, be not meant to be necessary order, unless otherwise
Illustrate that wherein certain order is mandatory.
Fig. 1 is showing of the gas electronic control system of the anesthesia transmission system 100 of one embodiment of the present invention
Being intended to, this electronic control system is used for controlling oxygen, laughing gas, air.This anesthesia transmission system 100 is also wrapped
Including manual standby gas control system, standby gas control system is mechanical type control system, is used for
The properly functioning of anesthetic machine is maintained when system power failure.As it can be seen, the first knob 101 can be used for controlling
The flow of one gas 141；Second knob 102 can be used for controlling the flow of the second gas 142；3rd knob
103 can be used for controlling the flow of the 3rd gas 143.As it can be seen, first gas the 141, second gas 142,
3rd gas 143 can be respectively oxygen, laughing gas, air.
Under automatically controlled pattern, in the case of such as normal power-up uses anesthetic machine, doctor selects or machine is write from memory
Recognizing the automatically controlled pattern of use, now the controller 105 in system is properly functioning.Can be implemented by controller 105
Various functions, with gas electronic control system fit into circulation of qi promoting body flow-control, receive user from various
The signal of peripheral equipment input, and output display signal is to display device, shows that signal is mainly patient monitoring
Data, are available for doctor (user) or patient observes conditions.The electronic control system of gas can be by hard
Part, firmware or software with and combinations thereof realize, it is also possible to anesthesia transmission system 100 in other control
Parts processed are separatedly installed.
Under automatically controlled pattern, anesthesia transmission system can also utilize one to touch flat board 106 and receive user (doctor
Life, patient etc.) signal input.Anesthesia transmission system 100 can also use a dress under automatically controlled pattern
Join the display 107 of touch screen 108 to show information and to receive signal input.System can allow user to control
System is input to the anesthetic gases total amount of patient.
Under automatically controlled pattern, by the regulation signal of knob 101,102,103 input by supporting encoder
111, after 112,113 difference electronic codes, controller 105 is arrived in output.The warp knit that controller 105 will receive
The correspondence output respectively of the regulation signal of code is to electronic proportioning valve 171,172,173, thus control is right with it accordingly
First gas the 141, second gas the 142, the 3rd gas 143 answered.
Under automatically controlled pattern, normally close valve 161,162,163 is all opened, thus first gas the 141, second gas
Body the 142, the 3rd gas 143 can flow to corresponding electronic proportioning valve by corresponding normally close valve respectively
171、172、173.And now normally open valve 151,152,153 is turned off, with prevent the first gas 141,
Second gas the 142, the 3rd gas 143 is flowed out by machinery needle-valve 131,132,133.Clutch 121,
122,123 knob 101,102,103 is made to depart from corresponding needle-valve 131,132,133 respectively, thus
Prevent user from the regulation of knob being operated and be delivered to needle-valve.I.e. by above-mentioned system structure, it is ensured that in system
Only having that circuit of Electronic Control when being under automatically controlled pattern is that signal is unimpeded.First gas 141, second
Gas the 142, the 3rd gas 143 flows through electronic proportioning valve by the normally closed switch 161,162,163 opened
171,172,173, its flow is controlled by the regulation signal of knob 101,102,103 output respectively.
Once system power supply stops or breaking down, or user's selection manual mode operation anesthesia transmission
System, still through knob 101,102,103 operation can control first gas the 141, second gas 142,
The flow of the 3rd gas 143, but intrasystem control mode switching is mechanical type control.At Non-follow control
Under pattern, controller 105, touch flat board 106, display 107, touch screen 108, encoder 111,112,
113 or unavailable.
In the anesthetic machine equipped with standby mechanical type gas control system, no matter system normal power supply or
There is power supply trouble, by knob 101,102,103 is uninterrupted, gas flow can be carried out
Regulation, to ensure the normal operation of whole system.Wherein knob design is for optionally controlling electrical proportional
Valve or needle-valve, naturally it is also possible to be respectively configured a set of knob for it and be separately controlled.It is described below the most manual
The process that control model down-off controls.Under MANUAL CONTROL mode, normally close valve 161,162,163 keeps closing
Close, and normally open valve 151,152,153 is held open, so that first gas the 141, second gas 142,
3rd gas 143 flows to the needle-valve 131,132,133 of mechanically controlled type.Clutch 121,122,123 makes
Obtain needle-valve 131,132,133 linking that knob 101,102,103 is the most corresponding, thus will pass through
The regulation signal of knob-operated output is delivered to needle-valve, directly controls needle-valve to control to flow through the gas of needle-valve.
No matter anesthesia transmission system is in automatically controlled pattern or MANUAL CONTROL mode, first gas the 141, second gas
Body the 142, the 3rd gas 143 can be carried out flow measurement by corresponding effusion meter 181,182,183 respectively.Only
Return valve 195,196,197 and be respectively used to prevent the backflow of three road gases.In three road gas intersections, pass through
The flow of the mixed gas that one mass flow meters 198 is formed after measuring three road gas mixing.Anesthesia transmission is
System 100 can also include vaporizer 199, after anesthetis is flashed to gas, be mixed into aforesaid gaseous mixture
In body, flow to patient in the lump.Gas in vaporizer 199 shown in figure is mixed into after mass flow meters 198
In mixed gas, the mixed gas mixed by oxygen and balanced gas here is referred to as live gas,
Add anesthetis steam on this basis and form admixture of gas, after for convenience of describing, this is not carried out
Strict differentiation, mixed gas can represent the mixed gas without the anesthetis steam from anesthesia evaporator,
The mixed gas containing the anesthetis steam from anesthesia evaporator can also be represented.
Mixed gas (including the anesthetis after three road gases and evaporation) subsequently flows into ACGO valve 185.?
In some embodiment, ACGO valve 185 can be manually actuated valve selector, for by mixed gas
Switching circulation between main respiratory system 186 and ACGO187.ACGO can be used for assisted breathing system even
Connect.In other embodiments, ACGO valve 185 can be automatically controlled threshold switch, such as by driving gas
Body control driving valve, this will in embodiment later specifically describe.In other embodiment,
The ACGO valve of electric-controlled type can be controlled by controller 105, touches flat board 106, display 107 or touch
Screen 108.
Such as, user is by touching flat board 106 or touch screen 108, or other external input equipments select
/ control mixed gas flows to main respiratory system 186.The electronic signal that then operation of user's output is corresponding drive or
Person triggers one and selects valve, such as one bistable selector valve, thus guides driving gas push to drive
Valve changes the position of its internal piston.Drive valve to be driven, mixed gas guiding is gone out to one of them
Mouthful, i.e. connect that outlet of main respiratory system 186.It is similar to, if fruit selects mixed gas to flow to auxiliary
Breathing apparatus, then control the signal of telecommunication by the output of various input equipments so that drive the work within valve accordingly
Plug moves to make mixed gas flow to ACGO.Further below introduce realize above-mentioned functions various valves,
Switch and the detailed description of the invention of combinative structure.
Fig. 2 is the gas electronic control system of the anesthesia transmission system 200 of another embodiment of the present invention
Schematic diagram.The electronic control system of this anesthesia transmission system 200 is used for controlling oxygen 241, laughing gas 242, sky
Gas 243.This anesthesia transmission system 200 include motor 251,252,253, for needle-valve 231,
232,233 coordinate the function realizing similar electronic proportioning valve.No matter anesthesia transmission system 200 is in automatically controlled
Pattern or MANUAL CONTROL mode, knob 201,202,203 is used for controlling oxygen 241, laughing gas respectively
242, the flow of air 243.When user wants flow or the total flow regulating any one road gas, only
Rotate corresponding knob.
Under automatically controlled pattern, anesthesia transmission system 200 realizes the flow-control of gas by controller 205.
Various function can be implemented by controller 205, with gas electronic control system fit into row gas flow control
System, receives the signal that user inputs from various ancillary equipment, and output display signal is to display device, aobvious
Show that signal is mainly patient monitoring data, be available for doctor (user) or patient observes conditions.Anesthesia transmission
System 200 can also utilize one to touch flat board 206 and receive the signal input of user (doctor, patient etc.).
Anesthesia transmission system 200 can also use display 207 and/or touch screen 208 to show under automatically controlled pattern
Information and reception signal input.System can allow user to control to be input to the electronics of anesthesia total amount gas of patient
Control system can by hardware, firmware or software with and combinations thereof realize, it is also possible to anesthesia transmission
Other control parts in system 200 are separatedly installed.
Under automatically controlled pattern, by the flow regulating signal of knob 201,202,203 input by supporting volume
After code device 211,212,213 electronic code respectively, output is to controller 205.Controller 205 will receive
Encoded regulation signal exports respectively to one or above motor 251,252,253.Motor
251,252,253 adjust needle-valves 231,232,233 thus control oxygen 241, laughing gas 242, empty accordingly
The flow of gas 243.
Under automatically controlled pattern, for example, when user's manual adjustment knob 201, the Flow-rate adjustment of output
Signal is carried out electronic code by encoder 211.Subsequently, after controller 205 is according to the electronic code received
Regulation signal export corresponding control signal to motor 251, thus drive stepping motor 251 is according to stream
Amount regulation Signal Regulation needle-valve 231, and then regulation is by the flow of the oxygen 241 of this needle-valve.Clutch 221,
222, knob 201,202,203 is departed from corresponding needle-valve 231,232,233 under automatically controlled pattern by 223,
In case the regulation operation of spin-ended button is directly delivered to each self-corresponding needle-valve causes operation confusion.
Under MANUAL CONTROL mode, or system power supply stops or breaking down, controller 205, touch flat board
206, display 207, touch screen 208 or encoder 211,212,213 or/and motor 251,
252, the electronic units such as 253 are the most unavailable or produce and break down.Now knob 201,202,203 still may be used
Continual for oxygen 241, laughing gas 242, the Flow-rate adjustment of air 243, i.e. it still may be in response to use
Gas flow is adjusted by family operation, and regulation the most now is the mechanical adjusting structure by internal system
Complete.Concrete, under now system is switched to MANUAL CONTROL mode, clutch 221,222,223 will
Knob 201,202,203 is connected with corresponding needle-valve 231,232,233 respectively, thus user is to knob
201, the regulation operation of 202,203 is directly delivered to the needle-valve 231,232,233 of correspondence, and then controls stream
Through the flow of the corresponding gas of needle-valve, such as oxygen 241, laughing gas 242, air 243.
In some embodiments, clutch 221,222,223 can also control motor 251,252,
253 depart from needle-valve 231,232,233, under such as MANUAL CONTROL mode.In some embodiments, also may be used
To farther include switching valve or a combination thereof, for directing flow into not according to the current operation mode of system
Same valve, is equipped with electronic flow valve and the system of needle-valve than as shown in Figure 1.
No matter anesthesia transmission system 200 is in automatically controlled pattern or MANUAL CONTROL mode, oxygen 241, laughing gas
242, air 243 can be carried out flow measurement by corresponding effusion meter 281,282,283 respectively.Flow can lead to
Cross display 207 to carry out electronic type and show, or shown by mechanical flow pipe.Check-valves 295,
296,297 are respectively used to prevent the backflow of three road gases.In three road gas intersections, by a total flow
The flow of the mixed gas that meter 298 is formed after measuring three road gas mixing.In anesthesia transmission system 200 also
Vaporizer 299 can be included, be mixed in aforesaid mixed gas, in the lump after anesthetis is flashed to gas
Flow to patient.
(include the fiber crops after mixed gas that three road gases are formed and evaporation as it was previously stated, the mixed gas of output
Liquor-saturated dose) subsequently flow into ACGO valve 285.ACGO valve 285 can be automatically controlled threshold switch, such as passes through
Drive gas control driving valve.The ACGO valve 285 of electric-controlled type can be controlled by controller 205, touch
Flat board 206, display 207 or touch screen 208.
Such as, user is by touching flat board 206 or touch screen 208, or other external input equipments select
/ control mixed gas flows to ACGO287.The electronic signal that then operation of user's output is corresponding drives or triggers
One selects valve, such as one bistable selector valve, thus guides driving gas push to drive valve to change
The position of its internal piston.Drive valve to be driven then mixed gas to be guided to one of them outlet, i.e.
That outlet of connection ACGO287, and then mixed gas can be drained to assisted respiartion by ACGO287 and set
Standby or other equipment.It is similar to, if fruit selects mixed gas to flow to main respiratory system 286, then by various
Input equipment output controls the signal of telecommunication accordingly so that drive the piston movement within valve to making mixed gas stream
To main respiratory system 286.
Fig. 3 is the schematic perspective view of the anesthetic machine of one embodiment of the present invention.This anesthetic machine 300 is configured with
Three Flow-rate adjustment selectores 350, are respectively used to control oxygen, laughing gas and the flow of air.This anesthetic machine
300 also include main respiratory system 310, anesthesia evaporator 330 and other anesthesia transmission system elements.Anesthetic machine
300 can be loaded in go-cart 340, and go-cart can provided with wheels 345, in order to mobile.Electronic displays 320 can
For providing intuitively to user about gas flow or anesthesia transmission procedure, the information of state.Electronic display
Show that device 320 can also is that the display with touch function, for being wrapped further by aobvious anesthetic machine 300
Include ACGO375 and ACGO valve (or ACGO selector valve, not shown).In some embodiments,
ACGO valve can include an automatically controlled selector valve, such as one will drive by automatically controlled driving gas-selectively
Dynamic piston within valve is switched to the automatically controlled selector valve of diverse location.ACGO valve can also be manual manipulation or
Person's pneumatic control selector valve.
Fig. 4 is the close-up schematic view of anesthetic machine shown in Fig. 3.The electronic flow choosing of this anesthetic machine 400
The most no matter select knob 450,451,452 and under manual adjustment mode, knob can be selected as mechanical flow
Which kind of, under pattern, can be adjusted by 450,451,452 pairs of gas flows of knob.As schemed
Show, the patient parameter monitored and other relevant informations can be presented to doctor by a display 477.
Display 477 can also is that the display with touch screen, and doctor can control anesthesia by display 477
The operation of machine 400.In the particular embodiment, flow selects knob 450 to can be used for controlling the flow of oxygen,
And flow selects knob 451 to can be used for controlling the flow of laughing gas, flow selects knob 452 to can be used for controlling sky
The flow of gas, user controls, by rotating these knobs, the flow that gas reaches to want.
Flow quantity display unit 460 can be used for showing the present flow rate being conditioned gas intuitively.Flow indication list
Unit 460 can be electronic type, the flowtube simulated the most on a display screen；Or can also be mechanical type
Flowtube；Or system arranges the flow quantity display unit of two kinds of forms simultaneously；Also or this flow show
Show that unit 460 is switched to the display mode of correspondence under different operation modes respectively, such as under automatically controlled pattern
Flow quantity display unit shows flow by electronical display mode, and with mechanical type scale under MANUAL CONTROL mode
Change display is conditioned the flow of gas, in order to and can normally show under MANUAL CONTROL mode under automatically controlled pattern
Show gas flow.As shown in FIG., each flow selects knob 450,451,452 respectively to having one
Individual flowtube, thus can individually show the flow of every kind of gas.
Although figure shows the anesthetic machine 400 selecting knob 450,451,452 with three flows, but
It is appreciated that more or lesser amount of knob all can set as desired, does not represent this
Invention is only limitted to arrange three flows and selects knob.The object regulated is also not necessarily limited to three kinds of gases, Ke Yigeng
Many or less, it is also possible to control other fluids beyond gas.Although figure shows a knob correspondence
Regulate the flow of a kind of gas, but in some embodiments, it is also possible to by more than one knob pair
Certain gas carries out Flow-rate adjustment, or by the multiplexing/switched design of internal mechanical structure, a knob can
Flow for regulation multiple gases.
The jet system of the present invention, or claim gas Flowrate Control System, fluid control systems, fluid stream
Amount control system, flow control system, can be applicable in the current-controlled machine of various needs, equipment, and
Do not limit to and be applied to anesthetic machine.
Although the flow of various gases can be controlled by knob 450,451,452 manual operation in anesthetic machine
, but the mixed gas formed after the mixing of various gas can be directed into main breathing by electronic control mode
Or system ACGO475.In some are embodiment, user can utilize electrical switch, button, cunning
The electronic input apparatus such as block, touch screen, touch flat board control mixed gas (anesthetis containing after evaporation) stream
To main respiratory system or ACGO.
Fig. 5 is the system block diagram of a kind of anesthetic machine of the present invention.This anesthetic machine 500 includes three electronic flow controls
Valve 511,512,513 processed, the flow of the oxygen (O2) 521 being respectively used to control to enter in anesthetic machine,
The flow of laughing gas (N2O) 522, the flow of air (AIR) 523.This anesthetic machine 500 (or claim anesthesia to pass
Communication system 500) also include three standby mechanical flow control valves 501,502,503, it can also be used
The flow of oxygen (O2) 521 in anesthetic machine, the flow of laughing gas (N2O), air (AIR) is entered in control
Flow.When anesthetic machine 500 is in normal power-up running status, such as external AC power supply 560 or
Set of cells 561 can with normal power supply to each operational module of anesthetic machine 500 time, anesthetic machine 500 can pass through
It is controlled by the electronic flow control valve 511,512,513 of electronic flow selector of outside to control gas
Flow.The electric power inputted from alternating current power supply 560 or set of cells 561 is done by power panel 579, mainboard 575
After necessary conversion or inversion, output is to gas flow plate 550.Gas flow plate 550 includes various control/prison
The electronic/mechanical element of control anesthetic machine 500 gas flow.
The gas flow plate 550 of anesthetic machine 500 can include FPGA unit, CPU element, microprocessor
Unit, logic circuit, drive circuit, D/A conversion unit, AD conversion unit, motor driver, electricity
Source switch, input equipment, optical pickocff, visual indicator, display, solenoid, motor,
Touching the various function element/module/unit such as flat board, peripheral component, gas flow plate 550 can also only comprise
With the interface of above-mentioned various element/module/unit, and these element/module/unit scattering device or concentrated setting
In anesthetic machine 550 inner/outer.Additionally, gas flow plate 550 can include or be connected to various motor position
Put switch, LED, needle valve switch, source of the gas and/or other selection input equipment.Doctor or user can pass through
The input of the operation for controlling one or more gas flow is provided to interact with anesthetic machine.For example,
Doctor or user can input, by electronic flow selector, the operation being controlled flow.Electronic flow selects
Device can include mechanical knob and rotary encoder.
When anesthesia transmission system or anesthetic machine 500 are in power-up state, and user can use under automatically controlled pattern/grasp
Make this system, or can the most actively select manual mode to operate.When anesthesia transmission system is in
Power-down state, this anesthesia transmission system can use in a manual mode.In automatically controlled pattern, enter system
Three kinds of gases, including oxygen 521, laughing gas 522 and air 523 can flow through electronic flow control valve 511,
512,513 and/or oxygen ratio controller (ORC) 525 and/or check-valves 530 (check valves) and
Flow transducer.In manual mode, oxygen 521, nitrous oxide 522 and air 523 can flow through standby
Mechanical flow control valve 501,502 and 503, oxygen ratio controller 525 and/or counterbalance valve 527
(backpressure valve)。
In various embodiments, user gradually can increase gas the most simultaneously by zero delivery in total flow
Observe the impact for total flow of the every kind of gas, thus be finally reached oxygen 521, laughing gas 522 and air 523
Target rate.In other variant embodiment, user is from the oxygen of " ground state " flow with system default
Gas 521 starts to adjust the flow that each in three road gases reaches to want, and obtains oxygen 521 with this, laughs at
Gas 522 and the target rate of air 523.Oxygen ratio controller 525 can ensure the oxygen of safety clinically
Ratio with laughing gas.Check-valves 530 can prevent by the system Nei Ge road gas caused by potential high pressure following current
Backflow.
User may select and is supplied to the flow of the oxygen of patient and air gas mixture (air is as Balance Air
Body).(now laughing gas is as Balance Air for the flow of the also optional laughing gas replacing air to be supplied to patient of user
Body).In certain embodiments, air and laughing gas can be input in system simultaneously as balanced gas.Manual mould
Under formula, no matter how user selects, and the amount of oxygen meeting safety requirements can be by oxygen ratio controller 525
Ensure automatically to be supplied to patient.The safety of operation can be guaranteed by control circuit under automatically controlled pattern.
In any one flow control mode, after check-valves 530, the air-flow of three kinds of gases can merge
Become the single air-flow can measured by mass flow meters, and flow through mass flow meters 537.Anesthesia evaporator 540 can be by
The anesthetis of liquid is vaporized into gas.Three-way valve 535 (three-way selector valve) can be used to select
The air flow path using pattern corresponding with current system connects with mass flow meters 537, such as from stand-by machine formula
One of flow control valve 501,502,503 and 511,512,513 liang of groups of electronic flow control valve guide
Air-flow flows through.Optionally, the replaceable one-tenth of three-way valve is one or more normally opened and/or the combination of normally close valve.Other
The switching valve system of form can be used for substituting three-way valve 535 and/or normally opened and/or normally close valve.
Mixed gas that three road gases mix and the anesthesia steam being injected in gas circuit can be through ACGO
The guiding of valve 585 and flow to main respiratory system 586 or ACGO587.ACGO valve 585 can include one
Individual driving valve, drive valve according to be controlled by automatically controlled selector valve module 588 driving gas and to mixed gas
The flow direction switches over.Automatically controlled selector valve module 588 can include one and above automatically controlled selector valve, and it is subject to
Control in from the signal of telecommunication of CPU or other signals of telecommunication of gas flow plate 550 or drive circuit.
In some are embodiment, ACGO valve 585 includes the driving valve of a gas-powered, such as one
Individual guiding reciprocable valve.Drive valve can driven and by mixed gas guide or be switched to main respiratory system 586
Or ACGO587.To then guiding to main respiratory system 586 or ACGO587, then by being controlled by electricity
The driving gas of control selector valve module 588 determines.In some embodiments, driving valve can be at default conditions
Lower mixed gas is guided main respiratory system 586, this purpose can be realized by the biasing of flexible member.And
By guiding driving gas into driving valve through automatically controlled selector valve module 588, mixed gas can transfer to flow to
ACGO587。
Driving valve can include valve body and piston, wherein piston can move back and forth in valve body.Valve body includes one
Mixed gas entrance and two mixed gas outlets, wherein mixed gas entrance is used for introducing mixed gas, mixed
Closing gas can be that front end anesthetic gases hybrid system carries the fresh air come or quickly oxygenation module transmission
The gas come.One of them mixed gas outlet is used for mixed gas is drained to main respiratory system 586, another
Individual mixed gas outlet is for being drained to ACGO587 by mixed gas.When piston is in primary importance, mixed
Close gas and be drained to main respiratory system 586, and when piston movement to the second position, then mixed gas is drawn
It flow to ACGO587.By default, piston may be at any one in two positions, i.e. system
State be in acquiescence mixed gas is drained to main respiratory system 586 or ACGO587 one of them.Permissible
Select to arrange the system mode under default situations according to different demands.In one embodiment, valve body is also
Including a flexible member, this flexible member is arranged on one end of piston, is used for controlling piston at default conditions
Under be in primary importance.Valve body also includes that drives a gas access, is used for introducing driving gas and is driven by piston
Move the second position.In some embodiments, valve body can include that two drive gas access, and drives
Gas introduces from different driving gas accesses and can realize driving piston to arrive primary importance or the second position.?
In one embodiment, driving gas can be based on the driving valve network selectivity controlled by a dedicated three-way selector valve
Wherein one end of the opposite end being directed to piston.This dedicated three-way selector valve can be a kind of self-locking, bistable
The selector valve of state.
Drive valve can include one or above pop off valve or/and position detecting switch.Drive valve also
May further include various forms of sheath for protecting the various element of valve, such as switch protection is applied mechanically
In protective position detection switch.
Under automatically controlled pattern, with stand-by machine formula flow control valve (being needle-valve in embodiment) 501,502 and
The flow-control selector of 503 associations can be deactivated or be retracted into internal system.According to system whether power down or
Whether person user have selected corresponding operating, and system automatically or enters manual mode, the most now with machine according to instruction
The flow-control selector that tool formula flow control valve 501,502 associates with 503 can be activated, ejects, unlock
Deng and can use.Some elements of the anesthetic machine 500 being listed in component description part 590 describe in detail the most in the description.
Additionally, various can be used for anaesthetizes transmission system, gas delivery system, liquid transfer system and/or other phases
The assembly of pass system, test equipment, monitoring device and/or control equipment, can add as required, supplement
And/or intrasystem assembly shown in replacing.
Fig. 6 is the schematic diagram of the anesthetic machine of one embodiment of the present invention.This anesthetic machine 699 includes two electricity
Sub-Traffic selector 651 and three mechanical flow selectores 660, for controlling three under different operation modes
The flow of road gas.This anesthetic machine 699 also includes main respiratory system 610, ACGO675, anesthesia evaporator
630, the go-cart 640 of provided with wheels 645 and display 620.Go-cart 640 and/or wheel 645 can make anesthesia
The movement of machine 699 is more convenient.Display 620 can provide to operator and be transmitted across about flow and/or anesthesia
The information of journey.Additionally, display 620 may also include touch display screen, it is available for user by screen input control
Information processed.
Under automatically controlled pattern, three mechanical flow selectores 660 can be deactivated or be retracted into anesthetic machine 699
Inside.Whether have selected corresponding operating according to system whether power down or user, system enters manual mode,
Then mechanical flow control selector 660 can be activated, eject, unblock etc. and can use.
Through the mixed gas that electronic flow selector 651 or stand-by machine formula Traffic selector 660 regulate, logical
Determine to be sent to the master of anesthetic machine 699 according to the slave mode of this ACGO valve after crossing automatically controlled ACGO valve
Respiratory system 610 or ACGO675.As it was previously stated, ACGO valve can utilize automatically controlled driving gas push
The piston in valve is driven to switch the flow direction of mixed gas.
Fig. 7 is the close-up schematic view of the anesthetic machine of one embodiment of the present invention.This anesthetic machine 700 with
Anesthetic machine 699 shown in Fig. 6 is similar, including two electronic flow selectores 715,717, is respectively used to control
Oxygen and the flow of balanced gas.Concrete, when Systematic selection laughing gas is as balanced gas, two electron streams
Amount selector 715,717 is respectively used to control oxygen and the flow of laughing gas；When Systematic selection air is as balance
Gas, two electronic flow selectores 715,717 are respectively used to control oxygen and the flow of air.Anesthetic machine
The display floater 730 of 700 can be used for showing relevant its of the monitoring information of patient, gas flow, anaesthesia process
His information etc..Various screens manipulation button 740 can realize user profile input, is used for changing display floater 730
Display format, state etc., or for controlling the operation of anesthetic machine.
As it is shown in fig. 7, when selecting switch 710 to choose " O2+N2O ", show in current system selected
Balanced gas is laughing gas, then can be regulated the stream of oxygen and laughing gas respectively by electronic flow selector 715,717
Amount.When selecting switch 710 to choose " O2+Air ", balanced gas selected in showing current system is sky
Gas, then can regulate the flow of oxygen and air respectively by electronic flow selector 715,717.According to selection
The selected location of switch 710, the traffic monitoring/monitoring means of corresponding coupling, gas ratio detection device
Can be supporting operationalize.Such as when selecting switch 710 to choose " O2+N2O ", oxygen flow indicator
725 and laughing gas flow indicator 727 be respectively started for showing the flow of oxygen and laughing gas and total flow instruction
Device 720 then shows oxygen and the mixed total flow of laughing gas.
Although the embodiment of diagram illustrates two electronic flow selectores 715 and 717, but can use Arbitrary Digit
The Traffic selector that mesh associates with gas.Such as, configurable flow control system makes it have 1,2,3,4 ...
Or N kind gas or the electronics of liquid and standby manual flow control.In certain embodiments, configurable one
Above Traffic selector (e.g., knob, toggle switch, dial, slide block, switch) controls same gas
The flow of body.More selection switch 710 and/or similar many bit selectings can be used to select switch to select can quilt
Flow-control selects arbitrary number and the gas of combination of knob control.Traffic selector can include and/or use
Any analog or digital selection mechanism, for selecting flow, includes but not limited to the knob shown in figure.
In various embodiments, can be selected mixed gas warp by an ACGO selector 750
ACGO flows to breathing assistance apparatus.Button 740, display floater 730 can certainly be manipulated by screen
Etc. the selection/control realizing this kind of function.Once ACGO selector 750 is pressed or selected, automatically controlled
The relevant position that valve in selector valve module 588 is controlled and gas will be driven to be delivered to drive valve, thus drive
Valve moves to the second position, and then guides the mixed gas flowing through ACGO valve to ACGO.
Fig. 8 is the schematic diagram of the control panel of the anesthetic machine of one embodiment of the present invention.This control panel 800
Including ACGO875 and ACGO selector 850.ACGO selector 850 can be electronic selector,
Can also be mechanical selector (manual activation).Valve can driven by the various mixed gas selecting to be formed
Flow under selection main respiratory system or ACGO one of them.Being similar to, driving valve can also be pneumatic operated valve,
It is controlled by the driving gas flowing through automatically controlled selector valve module.
The most as shown in Figure 8, anesthetic machine can also include three mechanical flow selectores 881,882,883,
Flow for control three road gas independently.In some embodiments, when anesthetic machine normal power supply
When operation and user the most specially select manual mode, anesthetic machine works under automatically controlled pattern.In automatically controlled pattern
Under, user can be controlled by two electronic flow selectores 815,817/be regulated the stream of oxygen and balanced gas
Amount.Similar with Fig. 7 illustrated embodiment, balanced gas can be by selecting switch to select, here
Can be laughing gas or air.Electronic Display Panel 830 can be used for show the monitoring information relevant to patient or
The information that flow monitoring is relevant.Various screens manipulation button 840 such as said display manipulation button 740 is similar can
With.
When anesthetic machine power-off or generation power failure or user specially select manual mode, anesthetic machine work
Make under manual mode.In a manual mode, in anesthetic machine, flow and the total flow of each road gas of transmission can
Manually control opened by panel 855.Now, electronic displays 830, screen manipulation button 840, electron stream
Amount selector 815 and 817 and other electronic devices and components/module/unit unavailable, or under normal power supply
When selecting manual mode voluntarily, a portion of these electronic units or all can be cancelled or stop
With.
Manual panel 855 can include 890, manual mode selector 885 and of a summation flowmeter indicator
One and above mechanical flow selector, such as mechanical flow selector 881,882,883.Manual mould
Formula selector 885 can be the plunger of a loading spring.Mechanical flow selector 881,882,883
Can be designed as only the most just ejecting, stash under automatically controlled pattern.
Fig. 9 A is the schematic diagram that the ACGO valve system that a kind of anesthetic machine of the present invention is used is in the first state.
This ACGO valve system 900 includes a driving valve 910, as it can be seen, this driving valve 910 drives first
Take offence and arrive the first state under the driving of body 950 so that mixed gas 905 flows to main respiratory system 915.Please
In the lump with reference to Fig. 9 B, it is that the ACGO valve system 910 shown in Fig. 9 A is driven into another state (the i.e. second shape
State) time schematic diagram.Include a piston 911 in this ACGO valve system 910, its can at Fig. 9 A and
The primary importance corresponding to the first state that is shown respectively in 9B and between the second position corresponding to the second state
Mobile.In order to mixed gas 905 being transferred to main respiratory system 915, the reversal valve of an Electronic Control locking
930 (in order to distinguish with another reversal valve 940 phase, be properly termed as the first reversal valve 930 here) can be controlled
System the first driving gas 950 flows to the first driving gas inlet driven on valve 910.Changing of electric-controlled locking
To valve 940 (in order to distinguish with previous reversal valve 930 phase, be properly termed as the second reversal valve 940) can in case
Only the second driving gas 951 flows to the second driving gas feed driven on valve 910.Therefore, gas is driven
950 can drive piston 911 to be transformed into primary importance, and this mixed gas 905 flows through a piston channel and is transferred to
Main respiratory system 915.In various embodiments, the first driving gas 950 and the second driving gas 951 can
To be identical driving gas, can come from identical source of the gas, air-flow is by the first locking reversal valve 930 and the
Two locking reversal valve 940 co-controllings.Herein for the convenience on describing, the driving gas that difference is flowed to
Done differentiation nominally, be such as divided into the first driving gas and second drive gas, but actually gas this
Body can be a kind of, and the most concrete controlled purpose, direction etc. are different, therefore in Fig. 9 A and Fig. 9 B not
Differentiation nominally is carried out to driving gas itself.
Fig. 9 B is the schematic diagram that the ACGO valve system that a kind of anesthetic machine of the present invention is used is in the second state.
Wherein, valve 910 is driven to be driven gas 951 to be driven into the second state, such mixed gas 905 quilt by second
It is drained to ACGO920.In order to mixed gas 905 being switched to ACGO920, electric-controlled locking reversal valve 930
It is prevented from driving gas 950 to flow to the first driving gas inlet driven on valve 910.Electric-controlled locking changes
The second driving gas 951 can be allowed to flow to the second driving gas inlet driven on valve 910 to valve 940.
Second drives gas 951 to drive piston 911 to be transformed into the second position, mixed gas 905 on this position
ACGO920 is flowed to through the second piston channel.
As it can be seen, first piston passage can connect to main respiratory system, the second piston channel may be connected to
ACGO.By driving piston 911 to switch between primary importance and the second position, and make to be input to
The mixed gas 905 of ACGO valve can be respectively communicated with first piston passage and the second piston channel.Piston 911
Also have and prevent first piston passage and the structure of the second piston channel connection.Therefore, main respiratory system and
ACGO can keep mutually independent, and mixed gas can only be from flowing to one of them under a state.
By comparison diagram 9A and Fig. 9 B it can be seen that lock switching valve 930 and lock by control selectively
Determine turning to/switching of switching valve 940, mixed gas 905 can be transported to main respiratory system 915 or
ACGO920.Locking switching valve 930 and locking switching valve 940 can be standby by Electronic Control interface and/or one
The manual interface of part controls, i.e. respectively by corresponding electronics under the automatically controlled pattern and manual mode of anesthetic machine
Control panel or mechanical, hand-driven control panel control switching valve and switch between the two states.In the present invention
The common gas discharge control valve of the anesthetic machine and employing thereof of stating embodiment can be by reversal valve with Electronic Control
Mode works, and system is rapid accordingly, thus flows through and drive the mixed gas of valve 910 can relatively have high stream
The anesthetic machine of speed, the i.e. present invention can provide relatively high flow velocity by its common gas discharge control valve used
Mixed gas and/or anesthetis, and there is preferable bio-compatibility, can in oxygen enriched environment good operation,
Be suitable to transmit and there is potential corrosive anesthetis or anesthetis steam.
Refer again to Fig. 9 A and Fig. 9 B, driving gas 950 and 951 can be gas-pressurized, such as compressed oxygen
Gas or compressed air.Locking reversal valve 930 and 940 can be that one is configured to keep stably opening or closing state
Electropneumatic valve.One electronic signal (from user operation or controller) can make each locking change
To valve 930 and 940 switching state.It is applied to the concrete condition of anesthetic machine according to embodiments of the present invention, here
Locking reversal valve 930 and 940 should be configured at any time only one of which and open.
Figure 10 be one embodiment of the present invention anesthesiaing system in for the three-dimensional knot driving valve of ACGO valve
Structure schematic diagram.This driving valve 1000 includes valve body 1010, and this valve body 1010 includes a piston room 1015.
This piston room 1015 respectively with mixed gas entrance 1025, ACGO1035 and main respiratory system interface
1030 connections.The piston 1020 driving valve 1000 to be comprised is contained in piston room 1015, and can be at piston
Move back and forth in room 1015.Piston 1020 can include that one connects with main respiratory system interface 1030
First valve passage 1022, the second valve passage 1021 connected with ACGO1035 with.
When driving the piston 1020 in valve 1000 to be in primary importance when, described first valve passage 1022
Connect with mixed gas entrance 1025, so that mixed gas entrance 1025 and main respiratory system interface 1030
Connection, exports mixed gas from main respiratory system interface 1030.At the piston 1020 driving valve 1000
When the second position, described second valve passage 1021 connects with mixed gas entrance 1025, so that mixed
Close gas access 1025 to connect with ACGO1035, mixed gas is exported from ACGO1035.So,
Can be switched between the first position and the second position by the piston 1020 in driving piston room 1015,
Realize being drained to mixed gas main respiratory system interface 1030 or ACGO1035 one of them.
Described piston 1020 can produce mobile under the pressure driving gas in piston room 1015.Live
One end of plug room 1015 can drive gas access 1040 connect with first, and the relative other end is then with the
Two drive gas access 1045 to connect, and first drives gas access 1040 and second to drive gas access 1045
It is mutually isolated.Gas is driven optionally to drive gas access 1040 and second to drive gas access from first
1045 one of them inflow piston room 1015, thus accordingly by internal piston 1020 from piston room
One end of 1015 pushes the other end to, and therefore can make that mixed gas formed in piston room 1015 is current logical
Road flows to corresponding outlet, the most main respiratory system interface 1030 or ACGO1035 one of both.
Piston 1020 can include that piston rod 1060, piston rod 1060 are arranged at one end or two of piston 1020
End (piston rod only having one end in Figure 10 is visible).Piston rod 1060 can hold at piston according to piston 1020
Trigger the when of moving to primary importance or the second position in room 1015 primary importance detection switch 1065 or
Second position detection switch 1070, thus system obtains current ACGO valve by the signal of detection switch output
State.ACGO valve or driving valve 1000 can also include sheath 1075, thus to detection switch 1070
Or 1065 carry out protection physically.
First valve passage the 1022, second valve passage 1021, piston room 1015 and various gas inlet-outlet,
As mixed gas entrance 1025, first drives gas access 1040, second to drive gas access 1045, master to exhale
One of them or part of desorption system interface 1030 or ACGO1035/all can include/configure pressure
Relief valve.Such as, mixed gas entrance 1025 may be coupled to a pop off valve 1050, to guarantee to mix
Keep certain air pressure in closing gas access 1025, be such as maintained at 37.9 kpa pressures.In another example,
ACGO1035 may be coupled to pop off valve 1055, with guarantee this outlet pressure be maintained at certain pressure with
Under, such as it is maintained at less than 11 kPas.By the different set to pop off valve, so that this driving
In in valve 1000, the pressure of various element/seams maintains certain or certain section of force value/following/more than.
Figure 11 A is a kind of generalized section driving valve of the present invention.This driving valve 1100 includes that mixed gas enters
Mouth 1125, main respiratory system interface 1130, ACGO1135, moveable piston 1120 and piston room 1115.
Piston 1120 shown in figure is in primary importance in piston room 1115, and piston room 1115 is with mixed
Closing gas access 1125 to connect, mixed gas to be introduced in piston room 1115, piston room 1115 is also
Connect with main respiratory system interface 1130, ACGO1135 respectively, with optionally by above-mentioned mixed gas from
One of them output of main respiratory system interface 1130, ACGO1135.Piston 1120 includes be separated from each other
One valve passage 1133 and the second valve passage 1137, this first valve passage 1133 and main respiratory system interface 1130
Connection, the second valve passage 1137 then connects with ACGO1135.
When driving the piston 1120 in valve 1100 to be in primary importance when, described first valve passage 1133
Connect with mixed gas entrance 1125, so that mixed gas entrance 1125 and main respiratory system interface 1130
Connection, exports mixed gas from main respiratory system interface 1030.And now mixed gas entrance is not with second
Valve passage 1137 connects, then mixed gas cannot export from ACGO1135.
Piston 1120 includes around sealing ring 1124 thereon, is used for completely cutting off main respiratory system interface 1130 He
ACGO1135 the two delivery outlet, and driving gas is isolated with the two delivery outlet.Drive gas
Pressure can be applied from any one end of the opposite end of piston 1120, thus push piston 1120 to the other end,
Such as push piston 1120 to the second position shown in Figure 11 B from the primary importance shown in Figure 11 A.Concrete next
Say, drive gas to be applied to the pressure in gap 1191 and piston 1120 can be made to move to as shown in Figure 11 A
Primary importance.It is similar to, drives gas to be applied to the pressure in gap 1192 and piston 1120 can be made to move to
Primary importance as shown in Figure 11 B.
Piston 1120 can include that piston rod 1160, piston rod 1160 are arranged at one end or two of piston 1120
End.Piston rod 1160 can move to primary importance or second according to piston 1120 in piston room 1115
Trigger primary importance detection switch 1165 or second position detection switch 1170 when of putting accordingly, thus be
Unite and obtained the state of current ACGO valve by the signal of detection switch output.ACGO valve or driving valve
1100 can also include sheath 1175, thus carry out detection switch 1170 or 1065 physically
Protection.Pop off valve 1150,1155 or similar valve can be used for each interface in the system that is arranged on, element,
Passage etc., with the pressure at main points each in limiting system.
Generalized section when Figure 11 B is to drive shown in Figure 11 A valve 1100 to be positioned at the second position.Now described
Second valve passage 1137 connects with mixed gas entrance 1125 and is connected to ACGO1135.Comparison diagram 11A
I.e. can be seen that with Figure 11 B, by the piston 1120 in driving piston room 1115 in primary importance and second
Change between position, controlled being exported by main respiratory system interface 1130 or ACGO1035 of mixed gas.
Figure 12 is the principle schematic of the valve system controlled for ACGO of another embodiment of the present invention.
This valve system 1200, or valve module 1200 include drive valve 1210.This driving valve 1210 is spring-loaded
Pneumatic operated valve, wherein spring 1240 is configured to driving valve 1210 to apply biasing (pressure), so in acquiescence
The driving valve 1210 of position can allow mixed gas 1205 to flow to main respiratory system 1215.Electronic Control is changed
Can selectively allow for driving gas 1250 to flow into valve 1230 and drive valve 1210.First shown in figure
State, reversal valve 1230 can prevent from driving gas 1250 to flow to drive valve 1210.Accordingly, in driving valve
The piston that can toggle in portion can allow mixed gas 1205 to flow to the first valve passage to main respiratory system
1215。
Contrary, when valve system is in the second state time, reversal valve 1230 can allow to drive gas 1250
Flow into the introducing port driven on valve 1210.The pressure driving gas 1250 can cause can inside reversal valve 1210
Mobile piston moves thus compression spring 1240.Gas 1250 is driven to make internal moveable piston transform to the
Two positions, when this position, mixed gas 1250 flows through the second valve passage and enters ACGO1220.Then, mixed
Closing gas 1205 can be controlled selectively for turning to main respiratory system 1215 or ACGO1220, this depends on
In the electronic signal controlling reversal valve 1230.The spring 1242 of reversal valve 1230 can be used for discharge and is trapped in and drives
Gas in dynamic valve 1210.
Figure 13 A is that the valve system for ACGO control of another embodiment of the present invention is in the first state
The structural representation of (state 1).Valve system 1300 includes driving valve (or reversal valve) 1320,1330 and
1340, and a three-way valve 1310.In the first state, mixed gas 1305 is fed to main breathing
System 1315 rather than ACGO1399 (refer to Figure 13 B).As it can be seen, first drives valve 1320 energy quilt
In flexible member, such as figure, first drives the spring 1323 on valve 1320 left side to apply bias pressure.So mixed
Closing gas can be by the first driving valve 1320 under the default conditions of system.Being similar to, second drives valve 1330
Can be applied biasing by the flexible member 1331 on the right, such gas can be by default by the second driving valve
1330.Driving valve in present embodiment and aforementioned or aftermentioned embodiment can be reversal valve, reciprocable valve
On the valve that arbitrarily can flow to switched system internal gas.
One three-way valve 1310 can switch between the first state and a second state.In the first state, see figure
13A, three-way valve can guide driving gas to pass through the first reversal valve 1320 along direction shown in arrow.?
One state, drives gas also can be directed into the left side 1333 of the second reversal valve 1330 to drive second simultaneously
Reversal valve 1330 cuts out.In the first state, therefore, driving gas can be obstructed by the first reversal valve 1320
Cross the second reversal valve 1330.
In the first state, drive gas flow enters the left side of the 3rd reversal valve 1340 through the first reversal valve 1320
1343.The piston driving gas-powered the 3rd reversal valve 1340 is transformed into primary importance.When the 3rd reversal valve 1340
Being positioned at primary importance, mixed gas 1305 can enter main respiratory system 1315 by the 3rd reversal valve 1340.
Figure 13 B is that the valve system for ACGO control of another embodiment of the present invention is in the second state
The structural representation of (state 2).When this three-way valve 1310 be electronically controlled be switched to the second state time, drive
Body of taking offence can flow through and is in the second reversal valve 1330 under implied terms.Gas is driven the most also to flow into the first commutation
The right side 1321 of valve 1320, drives its internal piston to turn to compression spring thus is closed by the first reversal valve 1320
Close.Therefore, in the second state, drive gas can pass through the second switching valve 1330 and first turn can not be passed through
To valve 1320.
In the second condition, drive gas flow enters the 3rd commutation through the second reversal valve 1330 from right side 1341
Valve.The piston movement driving gas to may result in the 3rd reversal valve 1340 transfers to the second position.When the 3rd commutation
When valve 1340 is switched to the second position, mixed gas 1305 can be entered by the 3rd reversal valve 1340
ACGO1399。
Therefore, by comparison diagram 13A and Figure 13 B, it can be seen that mixed gas 1305 can be according to threeway
The state of valve 1310 is also switched to main respiratory system 1315 or ACGO1399 by the way of automatically controlled.These are three years old
The state of logical valve 1310 can be switched over control by electronic input signal.Electronic input signal can by controller certainly
Movable property is raw or responds the selection of user and produces.Such as, user can pass through an electronic signal input equipment
Selecting anesthetic machine to be attached to the main respiratory system 1315 or ACGO1399 of fuselage configuration, electronic signal inputs
Device can be a button, switch, switch, slide block, touch pad, touch screen etc., and the mode of input can
To be machinery rotation, to touch discrepancy, voice, gesture etc..
Figure 14 be one embodiment of the present invention valve system in the perspective view of drive valve system.Should
Drive valve system 1400 can be a multichannel solenoid control valve or electromagnetic valve or manifold.This driving
Valve system 1400 enters main respiratory system 1415 or ACGO1499 for optionally guiding mixed gas.
Reversal valve 1400 can regard as realize reversal valve/driving valve described in Figure 13 A and Figure 13 B 1320,1330,
The concrete structure of the valve module of the function of 1340.Accordingly, system generation electronic signal makes driving gas be drawn
Lead the first driving gas inlet 1450 or second and drive gas inlet 1455.Concrete, at the first shape
State, drives gas can be imported into the first driving gas inlet 1450.Drive gas that main piston 1480 can be made inclined
To primary importance (left side, as shown in the figure).In primary importance, mixed gas enters from air inlet 1405,
Flow through the first valve passage and lead to main respiratory system interface 1415, and then can be for transmission to main respiratory system.With
Time, drive gas to may also flow through the first reversal valve 1420 of unlatching, and make the piston of the second reversal valve 1430
1431 motion compresses bias springs 1432 and the second reversal valve 1430 cuts out.Here drive valve system 1400
A tool of the functional module that automatically controlled selector valve module 588 and ACGO valve 585 is constituted in Fig. 5 can be regarded as
Body embodiment.
In the second state, drive gas can be imported in this valve system 1400 by the second air inlet 1455.
Drive gas that main piston 1480 can be made to be biased to the second position (right side, contrary with described in epimere).Second
Position, mixed gas enters from air inlet 1405, flows to ACGO1499 by the second valve passage.Meanwhile,
Drive gas can be flowed out by the first switching valve 1430, and the piston 1421 of the first switching valve 1420 is subject to
The driving of gas is driven to compress bias spring 1422 so that the first switching valve 1420 cuts out.
Therefore, by guiding driving gas from the first air inlet 1450 and the second air inlet 1455 selectively
Flowing into valve system 1400, corresponding driving main piston 1480 switches between the two positions.According to main piston
The position of 1480, from air inlet 1405 enter mixed gas can be directed to main respiratory system 1415 or
ACGO1499.Gas optionally will be driven the first driving gas inlet 1450 is imported by electronic valve
Or second drive gas inlet 1455.Therefore, any kind of electrical interface or guidance panel or controller
Can be used for selecting to import mixed gas main respiratory system 1415 or ACGO1499.
Figure 15 A is that the ACGO valve system of another embodiment of the present invention is in the first state (state 1)
Principle schematic.This valve system have employed cross valve.As it can be seen, automatically controlled reversal valve, such as four-way
Valve 1530 and driving valve 1510 are in the first state, and mixed gas 1505 is directed to main respiratory system 1515.
Drive valve 1510 can include an internal piston 1511, can be in primary importance (see figure after this piston is driven
15A) and change between the second position (see Figure 15 B).In order to mixed gas 1505 being imported main breathing it is
System 1515, cross valve 1530 can make driving gas 1550 flow to drive the first driving gas inlet of valve 1510
Mouthful.Cross valve 1530 can stop the second driving gas inlet driving gas 1550 to flow to drive valve 1510.
Therefore, driving gas 1550 to may result in piston 1511 and transfer to primary importance, such mixed gas 1505 flows
Main respiratory system 1515 is entered through piston channel.
Figure 15 B is that the ACGO valve system of another embodiment of the present invention is in the second state (state 2)
Principle schematic.Structure described in Figure 15 B is similar with structure in Figure 15 A, is only at contrary shape
State.This ACGO valve system is in the second state, and mixed gas 1505 is directed to ACGO1520.In order to incite somebody to action
Mixed gas 1505 imports ACGO1520, and four-way change-over valve 1530 can stop driving gas 1550 to flow to drive
First driving gas inlet of dynamic valve 1510.Cross valve 1530 can make driving gas 1550 flow to drive valve
The second driving gas inlet on 1510.Drive gas 1550 that piston 1511 can be driven to transfer to second
Putting, at this moment mixed gas 1505 flows through piston channel and enters ACGO1520.
First piston passage for connecting with main respiratory system 1515, the second piston channel for
ACGO1520 connects.By driving piston 1511 to change between the first position and the second position, gaseous mixture
The input of body 1505 can switch between first piston passage and the second piston channel.In piston 1511
First piston passage and the second piston channel are spaced from each other.Therefore, main respiratory system 1515 and ACGO1520
Separate, the transmission of mixed gas is carried out respectively when Systematic selection is corresponding.
By comparison diagram 15A and Figure 15 B it can be seen that by electronically controlled four-way change-over valve 1510, mix
Close can be directed respectively into in main respiratory system 1515 or ACGO1520 one of gas 1505.Four-way
Reversal valve 1510 can be controlled by the manual operation panel of an electronic operation panel and/or backup.As above
Configuration allows to control one by automatically controlled selector valve module (automatically controlled selector valve module 588 as shown in Figure 5)
ACGO valve (such as Fig. 1, shown in 2 and 5), simultaneously drives valve 1510 and can form the mixing of relatively high flow
Gas and/or anesthetics, improve biocompatibility, is suitable to run anesthetic machine under oxygen enriched environment, and additionally this is
System may be adapted to transmit and there is potential corrosive anesthetis (steam).
Figure 16 A is that the ACGO valve system of another embodiment of the present invention is in the first state (state 1)
Principle schematic.This valve system have employed cross valve.This cross valve 1630 with have 5 shown in Figure 15 A
The difference of the cross valve 1530 of individual port is that it is the cross valve with 4 ports.As it can be seen, it is automatically controlled
Reversal valve, such as cross valve 1630 and drive valve 1610 to be in the first state, mixed gas 1605 is led
To main respiratory system 1615.Drive valve 1610 can include an internal piston 1611, after this piston is driven
Can change between primary importance (see Figure 16 A) and the second position (see Figure 16 B).In order to by mixed gas
1605 import main respiratory system 1615, and cross valve 1630 can make driving gas 1650 flow to drive valve 1610
First driving gas inlet.Cross valve 1630 can stop driving gas 1650 to flow to drive valve 1610
Second drives gas inlet.Therefore, drive gas 1650 to may result in piston 1611 and transfer to primary importance,
So mixed gas 1605 flows through piston channel and enters main respiratory system 1615.
Figure 16 B is that the ACGO valve system of another embodiment of the present invention is in the second state (state 2)
Principle schematic.Structure described in Figure 16 B is similar with structure in Figure 16 A, is only at contrary shape
State.This ACGO valve system is in the second state, and mixed gas 1605 is directed to ACGO1620.In order to incite somebody to action
Mixed gas 1605 imports ACGO1620, and four-way change-over valve 1630 can stop driving gas 1650 to flow to drive
First driving gas inlet of dynamic valve 1610.Cross valve 1630 can make driving gas 1650 flow to drive valve
The second driving gas inlet on 1610.Drive gas 1650 that piston 1611 can be driven to transfer to second
Putting, at this moment mixed gas 1605 flows through piston channel and enters ACGO1620.
First piston passage for connecting with main respiratory system 1615, the second piston channel for
ACGO1620 connects.By driving piston 1611 to change between the first position and the second position, gaseous mixture
The input of body 1605 can switch between first piston passage and the second piston channel.In piston 1611
First piston passage and the second piston channel are spaced from each other.Therefore, main respiratory system 1615 and ACGO1620
Separate, the transmission of mixed gas is carried out respectively when Systematic selection is corresponding.
Substantially phase in the ACGO valve system of present embodiment and ACGO valve system structure in a upper embodiment
With, and roughly the same effect can be obtained.
Various valves described in foregoing or valve module, valve system, it is also possible to be known as switch, switches set
Part, switching system.
Gas Flowrate Control System described in the various embodiment of the present invention, can be applicable to various containing gas
In the equipment of flow-control, machine, it is not limited to Medical anesthetic system, anesthetic machine.At this anesthesiaing system
In.Anesthetic gases is injected in the mixed gas of oxygen and balanced gas formation by anesthesia evaporator, and formation contains
After narcotic mixed gas/admixture of gas, by flowing to patient after system control.In brief, originally
The gas to be transmitted (such as mixed gas) that the driving valve of invention controls to be inputted by gas access is from two gases
One of delivery outlet exports, and in a specific embodiment, the two gas delivery port is connected respectively to anesthesiaing system
Main respiratory system and outside breathing assistance apparatus.Certainly, described valve system/switch element is the suitableeest
Control in the system that fluid flows to for other similar selectivitys.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to recognize
Determine the present invention be embodied as be confined to these explanations.Ordinary skill for the technical field of the invention
For personnel, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace,
All should be considered as belonging to protection scope of the present invention.
Claims (19)
1. a fluid electronic control system, it is characterised in that include driving valve and electrically-controlled valve system, this driving valve
Including:
Piston, it includes mutually isolated first passage and second channel, and this piston can be under the driving driving fluid
Switch between the first position and the second position；
Fluid intake, it is used for introducing fluid to be transmitted, when piston is switched to primary importance, described fluid intake
Being connected with first passage, when piston is switched to the second position, described fluid intake is connected with second channel
Logical；
First fluid exports, and it connects with first passage；With
Second fluid exports, and it connects with second channel；
This electrically-controlled valve system control to drive fluid to flow to drive valve thus drive piston primary importance and the second position it
Between switch；
Described fluid intake is for receiving the gas from anesthesia transmission system；The outlet of described first fluid is used for connecting
To the main respiratory system anaesthetizing transmission system；The outlet of described second fluid is used for being connected to assist common gas to go out
Mouthful.
2. control system as claimed in claim 1, it is characterised in that described fluid to be transmitted include one or with
On gas.
3. control system as claimed in claim 2, it is characterised in that described fluid to be transmitted farther includes fiber crops
Liquor-saturated dose of steam.
4. control system as claimed in claim 1, it is characterised in that described driving fluid includes one or more
Gas.
5. control system as claimed in claim 1, it is characterised in that described driving valve farther includes position inspection
Slowdown monitoring switch, this position detecting switch is used for detecting whether piston is in primary importance or the second position.
6. control system as claimed in claim 5, it is characterised in that described driving valve farther includes for protecting
Protect the sheath of position detecting switch.
7. control system as claimed in claim 1, it is characterised in that described driving valve farther includes to be connected to
Fluid intake and/or first passage and/or one of second channel or pressure above relief valve.
8. control system as claimed in claim 1, it is characterised in that described piston farther includes an elastic unit
Part and one drives fluid intake, and this flexible member is for providing bias pressure so that piston is switched to piston
Primary importance, this driving fluid intake is controlled by the driving fluid of electrically-controlled valve system, drives fluid for receiving
Drive the bias pressure of piston overpowers flexible member that piston is switched to the second position.
9. control system as claimed in claim 8, it is characterised in that described flexible member includes spring.
10. control system as claimed in claim 8, it is characterised in that described electrically-controlled valve system includes threeway
Valve, described three-way valve can automatically controlled switching and will drive fluid introduce drive fluid intake.
11. control systems as claimed in claim 1, it is characterised in that described driving valve farther includes
One drives fluid intake and second to drive fluid intake, and described first drives fluid intake to be controlled by for reception
The driving fluid of electrically-controlled valve system and drive the piston into primary importance, described second drives fluid intake to be used for
Receive and be controlled by the driving fluid of electrically-controlled valve system and drive the piston into the second position, described electrically-controlled valve system
The inflow first controlling to drive fluid to select one drives fluid intake or second to drive fluid intake.
12. control systems as claimed in claim 11, it is characterised in that described electrically-controlled valve system includes first
Three-way valve and the second three-way valve, described first three-way valve will drive fluid to introduce described for automatically controlled switching
One drives fluid intake, and driving fluid introducing described second is driven by described second three-way valve for automatically controlled switching
Dynamic fluid intake.
13. control systems as claimed in claim 12, it is characterised in that described first three-way valve is from a stream
Body source is drawn and is driven fluid, and described second three-way valve is drawn from another fluid source and driven fluid.
14. control systems as claimed in claim 12, it is characterised in that described first three-way valve and the two or three
Logical valve is self-locking dedicated three-way selector valve respectively.
15. control systems as claimed in claim 11, it is characterised in that described electrically-controlled valve system includes first
Biasing back and forth drives reciprocal valve and the three-way valve of driving of valve, the second biasing, described first biasing is reciprocal drive valve and
Second biasing is reciprocal drive valve can by its internal piston with flexible member respectively in respective valve relative two
Moving back and forth between end, when described three-way valve is in the first state, it guides and drives gas through the first biasing
Reciprocal the first driving fluid intake driving the interior passage formed of valve to flow to drive valve, and guiding drives gas simultaneously
Body drives valve by its inner passage and the second driving fluid intake isolation driving valve to the second biasing is reciprocal；When
When described three-way valve is in the second state, it guides and drives gas to be formed in the second biasing reciprocal driving valve
Passage flows to drive the second driving fluid intake of valve, and guides driving gas back and forth to drive to the first biasing simultaneously
Dynamic valve is by its inner passage and the first driving fluid intake isolation driving valve.
16. control systems as claimed in claim 15, it is characterised in that described first biasing back and forth drive valve,
Second biasing is reciprocal drives valve and described driving valve to be integrated in same manifold assembly, and wherein the first biasing is past
The vent entrance openings and the reciprocal fluid intake that drives driving valve of the second biasing that drive valve again are connected to three-way valve
First drives fluid issuing, and second biases the reciprocal vent entrance openings driving valve and first biases reciprocal driving valve
Driving fluid intake to be connected to the second driving fluid issuing of three-way valve, the first biasing is reciprocal drives the logical of valve
Internal the first driving fluid intake being communicated to drive valve of gas outlet, the second reciprocal ventilation driving valve of biasing goes out
Internal the second driving fluid intake being communicated to drive valve of mouth.
17. control systems as claimed in claim 11, it is characterised in that described electrically-controlled valve system includes four-way
Valve, it is for driving fluid intake or second to drive fluid intake to first the guiding driving fluid to select.
18. control systems as claimed in claim 17, it is characterised in that described cross valve is self-locking cross valve.
19. 1 kinds of anesthetic machines, it includes anesthetic gases hybrid system, fluid electronic control system, main breathing system
System and auxiliary common gas outlet, described anesthetic gases hybrid system output mixed gas, described fluid electronic
Control system control mixed gas select one flow to described main respiratory system or auxiliary common gas outlet, its
It is characterised by, including the fluid electronic control system described in claim 1-18 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210512668.5A CN103853064B (en) | 2012-12-04 | Fluid electronic control system and anesthetic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210512668.5A CN103853064B (en) | 2012-12-04 | Fluid electronic control system and anesthetic machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103853064A CN103853064A (en) | 2014-06-11 |
| CN103853064B true CN103853064B (en) | 2016-11-30 |
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Effective date of registration: 20180621 Address after: 518057 the 1-4 floor of MINDRAY building, science and technology south twelve Road, Nanshan District high tech Industrial Park, Shenzhen, Guangdong. Co-patentee after: Shenzhen MINDRAY Technology Co., Ltd. Patentee after: Shenzhen Mairui Biotherapeutic Electronic Co., Ltd. Address before: 518057 the 1-4 floor of MINDRAY building, science and technology south twelve Road, Nanshan District high tech Industrial Park, Shenzhen, Guangdong. Patentee before: Shenzhen Mairui Biotherapeutic Electronic Co., Ltd. |