CN105517612A - Anesthesia machine respiratory system and anesthesia machine - Google Patents
Anesthesia machine respiratory system and anesthesia machine Download PDFInfo
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- CN105517612A CN105517612A CN201480017240.0A CN201480017240A CN105517612A CN 105517612 A CN105517612 A CN 105517612A CN 201480017240 A CN201480017240 A CN 201480017240A CN 105517612 A CN105517612 A CN 105517612A
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- suction line
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
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Abstract
The invention is applicable to the technical field of medical equipment, discloses an anesthesia machine respiratory system and an anesthesia machine. The anesthesia machine respiratory system comprises a drive branch and a gas exhaust pipeline. The anesthesia machine respiratory system also comprises a switching device used for selectively guiding gases breathed out by a patient into the drive branch and or the gas exhaust pipeline to realize switching between re-inhaling or non-re-haling. The switching device is connected to the drive branch and the gas exhaust pipeline. The drive branch is connected to an absorption device. The anesthesia machine comprises the above the anesthesia machine respiratory system. According to the anesthesia machine respiratory system and the anesthesia machine provided by the invention, rapid switching between a non-re-haling system and a re-inhaling system can be realized. In the mode of the non-re-haling system, medical workers do not need to pay attention to whether a carbon dioxide absorbent in the absorption device needs to be replaced, so that burdens for the medical workers are reduced, and the usage is convenient.
Description
Technical field
The invention belongs to technical field of medical equipment, particularly relate to a kind of Multi-functional anesthesia machine respiratory system and anesthetic machine.
Background technology
The anesthetic machine respiratory system of prior art can only be operated in multiple intake system when mechanical ventilation, the gas that in multiple intake system, patient breathes out can be recycled, usual employing bellows device realizes the isolation of driving gas and patient's breath, the gas that patient breathes out can be repeated to suck, and therefore needs to adopt the carbon dioxide in carbon-dioxide absorbent absorption patient breath.Carbon-dioxide absorbent has service life, in the process of long-term operation, needs medical personnel's moment to pay close attention to carbon-dioxide absorbent the need of replacing, prevents patient from repeating to suck carbon dioxide.And in multiple intake system, even if when carrying out intravenous injection anesthesia, medical personnel's moment is now still needed to pay close attention to carbon-dioxide absorbent the need of replacing, and a large amount of steam can be produced after carbon-dioxide absorbent absorbing carbon dioxide, easily cause the condensation hydrops in loop, affect the observation of medical worker to inspiratory valve, use inconvenience.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of anesthetic machine respiratory system and anesthetic machine, it is easy to use.
Technical scheme of the present invention is: a kind of anesthetic machine respiratory system, comprises and drives branch road, gas exhaust piping, expiration pipeline and suction line; Also comprise and driving branch road is connected with expiration pipeline and suction line, or branch road will be driven to be connected with suction line, and expiration pipeline is connected realize relapsing with gas exhaust piping or without the switching device shifter switched between relapsing.
Alternatively, described driving branch road also comprises the driving device for controlling pressure of inspiration(Pi) and flow, and described driving device is connected to described switching device shifter and described air delivery device by two groups of pipelines; Or described driving device is connected to described expiration pipeline or suction line; Or described driving device is connected to described switching device shifter.
Alternatively, described driving branch road comprises air delivery device; Described suction line or described air delivery device are connected with live gas supply line, described expiration pipeline and gas exhaust piping are connected to described switching device shifter, described air delivery device is connected to described switching device shifter and described suction line, described suction line or described expiration pipeline or be connected with absorption plant between described air delivery device and described suction line.
Alternatively, described absorption plant is connected to described suction line, described absorption plant is parallel with bypass branch, and described Multi-functional anesthesia machine respiratory system has bypass transfer valve, and absorption plant is communicated with suction line or is communicated with suction line by bypass branch by described bypass transfer valve.
Alternatively, connecting line is connected with between described air delivery device and described switching device shifter, described connecting line is connected to described switching device shifter by the first arm, described connecting line is connected to described suction line by the second arm, described connecting line place is connected with hand-machine control transfer valve, and described hand-machine control transfer valve is connected with manual control part.
Alternatively, described manual control part comprises the tail gas discharging pipe being connected to described hand-machine control transfer valve, and described tail gas discharging pipe is connected with Manual bladder, limiting valve with adjustable pressure.
Alternatively, described driving branch road also comprises air inlet pipeline, and driving device can be connected with expiration pipeline and suction line by described switching device shifter, or air inlet pipeline is connected with suction line by described switching device shifter, and is connected with gas exhaust piping by expiration pipeline.
Alternatively, described switching device shifter is two position and four-way reversing valves or is two-bit triplet reversal valve.
Alternatively, described switching device shifter has the first entrance, second entrance, first outlet and the second outlet, described switching device shifter comprises for described first entrance and first being exported, described second entrance and second exports conducting and exports for switching to the first entrance and second, described second entrance and first exports the switching mechanism of conducting, described driving device is in charge of by first and is connected to described first entrance, described driving device is in charge of by second and is connected to described air delivery device, described second entrance is connected to described expiration pipeline, described first outlet is connected to described gas exhaust piping, described second outlet is connected to air delivery device and described suction line.
Alternatively, described gas exhaust piping is connected with outlet valve.
Alternatively, described air delivery device is folding bellows air delivery device, tortuous air flue type air delivery device or piston type air delivery device.
Alternatively, described folding bellows air delivery device comprises housing and is arranged at the folding capsule in described housing, space outside described folding capsule and between described case inside is communicated in described driving device, and the space inside described folding capsule is communicated in described switching device shifter and described suction line; Described tortuous air flue type air delivery device comprises single, two or many tortuous air flues in parallel; Described tortuous air flue is connected to described switching device shifter and described suction line; Described piston type air delivery device comprises housing and the piston be arranged in described housing that slides, and the housing of described piston type air delivery device is connected to described switching device shifter and described suction line.
Alternatively, described driving device is controlled flow or the pressure size of output by passing ratio valve or turbine.
Alternatively, the adsorbing material for absorbing carbon dioxide is provided with in described absorption plant.
Present invention also offers a kind of anesthetic machine, described anesthetic machine has above-mentioned anesthetic machine respiratory system.
Anesthetic machine respiratory system provided by the present invention and anesthetic machine, it can carry out without relapsing system model and relapsing the quick switching between system model.When nothing relapses into system model, may be used for intravenous injection anesthesia and serve as Use of respirator, driving gas is directly sucked by patient, patient's breath drains into the external world through outlet valve, do not recycle in respiratory system, medical personnel pay close attention to carbon-dioxide absorbent the need of replacing without the need to the moment, alleviate the burden of medical personnel, easy to use.And, the Multi-functional anesthesia machine respiratory system that the embodiment of the present invention provides, it is not by the restriction of air delivery device type, can be the air delivery device of folding capsule, piston or tortuous air flue type; Also not by the restriction of type of drive, driving device can be proportioning valve drive-type, also can be turbine driven etc.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that the anesthetic machine respiratory system that the embodiment of the present invention provides is in the connection diagram relapsed into system model;
Fig. 2 is the connection diagram that anesthetic machine respiratory system that the embodiment of the present invention provides is in without relapsing into system model;
Fig. 3 is that the anesthetic machine respiratory system that the embodiment of the present invention provides is in the connection diagram relapsed into system model;
Fig. 4 is the connection diagram that anesthetic machine respiratory system that the embodiment of the present invention provides is in without relapsing into system model;
Fig. 5 is the floor map of the another kind of embodiment of switching device shifter in the anesthetic machine respiratory system that provides of the embodiment of the present invention;
Fig. 6 is that three-way valve is used as switching device shifter and is in the connection diagram relapsed into system model by the anesthetic machine respiratory system that the embodiment of the present invention provides;
Fig. 7 is that three-way valve is used as switching device shifter and is in the connection diagram without relapsing into system model by the anesthetic machine respiratory system that the embodiment of the present invention provides;
Fig. 8 is that the anesthetic machine respiratory system that the embodiment of the present invention provides adopts turbine as driving device and is in the connection diagram relapsed into system model;
Fig. 9 is that the anesthetic machine respiratory system that the embodiment of the present invention provides adopts turbine as driving device and the connection diagram be in without relapsing into system model;
Figure 10 is that the anesthetic machine respiratory system that the embodiment of the present invention provides adopts piston type driving device and is in the connection diagram relapsed into system model;
Figure 11 is that the anesthetic machine respiratory system that the embodiment of the present invention provides adopts piston type driving device and is in the connection diagram without relapsing into system model.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " being connected to " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As depicted in figs. 1 and 2, a kind of anesthetic machine respiratory system that the embodiment of the present invention provides, comprise and drive branch road and gas exhaust piping 31, the gas-selectively also comprised for patient 1 being breathed out imports the switching device shifter 14 of described driving branch road or described gas exhaust piping, to realize the switching relapsed and nothing relapses.Driving in branch road the absorption plant 8 be provided with for absorbing carbon dioxide in air-flow, in absorption plant 8, can the carbon dioxide absorbing materials such as sodica calx be provided with.Like this, when adopting the mode of gas anesthesia, the gas communication that patient 1 can breathe out by switching device shifter 14 is in driving branch road, and anesthetic machine respiratory system can work in and relapse into system model, as shown in Fig. 1 or Fig. 3.When adopting the mode of intravenous injection anesthesia, the gas communication that patient 1 can breathe out by switching device shifter 14 is in gas exhaust piping 31, anesthetic machine respiratory system can work in without relapsing into system model, as shown in figures 2 or 4, the gas of breathing out can directly be discharged by gas exhaust piping 31, the gas of breathing out is without the need to through absorption plant 8, improve by arranging switching device shifter 14 and connecting pipeline, make anesthetic machine respiratory system can select to be in multiple intake system, without multiple intake system, the mode of operation of respirator, overcoming in prior art when carrying out intravenous injection anesthesia still needs medical personnel's moment to pay close attention to carbon-dioxide absorbent the need of the technical problem changed, client under this mode is avoided to suck the problem of excess carbon dioxide, expiratory airflow is without the need to through carbon-dioxide absorbent, also can produce a large amount of steam after just there is not carbon-dioxide absorbent absorbing carbon dioxide and easily cause the condensation in loop to amass water problem, medical personnel's moment is not now needed to pay close attention to carbon-dioxide absorbent the need of replacing, alleviate the burden of medical personnel simultaneously.
Particularly, branch road comprises expiration pipeline 4, suction line 3, live gas supply line 7, air delivery device 9, for absorbing the absorption plant 8 of the carbon dioxide in air-flow and the driving device 12 for controlling pressure of inspiration(Pi) and flow, driving device 12 can be connected with source gas in driving.Expiration pipeline 4, suction line 3 are connected to patient's pipeline 2, and patient's pipeline 2 is connected to patient 1 respiratory tract or mouth and nose place etc., and expiratory airflow when patient 1 exhales flows away from expiration pipeline 4, and inspiratory airflow during patient's 1 air-breathing comes from suction line 3.Carbon-dioxide absorbent can be provided with in absorption plant 8.Anesthetic machine respiratory system also comprises the switching device shifter 14 for expiration pipeline 4 selectivity being imported air delivery device 9 or gas exhaust piping 31, it should be noted that, import described in the present embodiment, it comprises the conducting under connection status, also can comprise the connection under not-connected status and conducting.Expiration pipeline 4 is connected to switching device shifter 14, air delivery device 9 is connected to switching device shifter 14 and suction line 3, absorption plant 8 is connected to suction line 3 or is connected to expiration pipeline 4 or is connected between air delivery device 9 and suction line 3, live gas supply line 7 is connected to suction line 3 or air delivery device 9, and driving device 12 is connected to switching device shifter 14 and air delivery device 9.Or described driving device 12 is connected to described switching device shifter 14.Like this, when adopting the mode of gas anesthesia, switching device shifter 14 can by expiration pipeline 4 conducting in air delivery device 9, anesthetic machine respiratory system can work in and relapse into system model, as shown in Fig. 1 or Fig. 3, upon exhalation, live gas supply line 7 can make fresh air (can be mixed with anesthetic gases) enter air delivery device 9, air delivery device 9 makes air flow direction suction line 3 and flows through absorption plant 8 with filtering carbon dioxide under the effect of driving device 12, sucks for patient 1.When adopting the mode of intravenous injection anesthesia, switching device shifter 14 can by expiration pipeline 4 conducting in gas exhaust piping 31, anesthetic machine respiratory system can work in without relapsing into system model, as shown in figures 2 or 4, the gas of breathing out can directly be discharged by gas exhaust piping 31, the gas of breathing out is without the need to through absorption plant 8, improve by arranging switching device shifter 14 and connecting pipeline, make anesthetic machine respiratory system can select to be in multiple intake system, without multiple intake system, the mode of operation of respirator, overcoming in prior art when carrying out intravenous injection anesthesia still needs medical personnel's moment to pay close attention to carbon-dioxide absorbent the need of the technical problem changed, client under this mode is avoided to suck the problem of excess carbon dioxide, expiratory airflow is without the need to through carbon-dioxide absorbent, also can produce a large amount of steam after just there is not carbon-dioxide absorbent absorbing carbon dioxide and easily cause the condensation in loop to amass water problem, medical personnel's moment is not now needed to pay close attention to carbon-dioxide absorbent the need of replacing, alleviate the burden of medical personnel simultaneously.
The anesthetic machine respiratory system that the embodiment of the present invention provides, it can carry out without the quick switching between multiple intake system and multiple intake system, and product is flexible multi-purpose, without relapsing into system model, may be used for intravenous injection anesthesia and serving as Use of respirator; Relapsing into system model, may be used for traditional gas anesthesia, without the need to additional respiratory system.
Particularly, as depicted in figs. 1 and 2, expiration pipeline 4 can be connected with expiratory one-way valve 6, avoids back flow of gas.
Particularly, as depicted in figs. 1 and 2, suction line 3 can be connected with breather cheek valve 5, avoids back flow of gas.
Particularly, as shown in Figures 1 to 4, absorption plant 8 is connected to suction line 3, absorption plant 8 is parallel with bypass branch 8a, pipeline between bypass branch 8a and suction line 3 and the pipeline between absorption plant 8 and suction line 3 are connected with bypass transfer valve 10, absorption plant 8 is communicated with suction line 3 or is communicated with suction line 3 by bypass branch 8a by described bypass transfer valve 10, namely one end of bypass transfer valve 10 is connected to the pipeline between bypass branch 8a and suction line 3, and the other end is connected to the pipeline between absorption plant 8 and suction line 3.When switching to without relapsing into system model, by bypass transfer valve 10, when patient 1 exhales, gas in live gas supply line 7 can flow through bypass branch 8a and enter air delivery device 9, for multiple intake system, bypass branch 8a still keeps the connection of gas circuit when changing sodica calx in absorption plant 8.When without multiple intake system, driving gas directly can supply patient, does not have carbon dioxide in driving gas, patient's breath does not need recycling yet, therefore do not need sodica calx, now can switch to bypass branch 8a, also sodica calx can be outwelled and be not switched to bypass branch 8a.Bypass transfer valve 10 can be provided with two, and it is divided into the two ends of absorption plant 8, bypass branch 8a, and certainly, bypass transfer valve 10 also can only be provided with one.Bypass transfer valve 10 can be the suitable components such as two-position three-way valve.
Particularly, as shown in Figures 1 to 4, connecting line 32 is connected with between air delivery device 9 and described switching device shifter 14, connecting line 32 is connected to switching device shifter 14 by the first arm 33, connecting line 32 is connected to suction line 3 by the second arm 34, and connecting line 32, first arm 33 is connected by three way cock with the second arm 34.Absorption plant 8 and bypass branch 8a, bypass transfer valve 10 can be connected on the second arm 34.Connecting line 32 place is connected with hand-machine control transfer valve 15, and hand-machine control transfer valve 15 is connected with manual control part.Hand-machine control transfer valve 15 can switch to electric model or manual mode, and handoff procedure can be controlled by system or automatically by medical personnel's Non-follow control.When switching to electric model, driving device 12 is driven by power supply.When switching to manual mode, medical personnel operate by manual control part.
Particularly, as shown in Figures 1 to 4, manual control part comprises the tail gas discharging pipe 35 being connected to hand-machine control transfer valve 15, and tail gas discharging pipe 35 is connected with pressing piece, the limiting valve with adjustable pressures 17 (APL) such as Manual bladder 16 or ball.Tail gas discharging pipe 35 can be connected to vent gas treatment pipe etc.
Particularly, described driving branch road also comprises air inlet pipeline 18, driving device 12 can be connected with expiration pipeline 4 and suction line 3 by described switching device shifter 14, or air inlet pipeline 18 is connected with suction line 3 by described switching device shifter 14, and expiration pipeline 4 is connected with gas exhaust piping 31, the state of corresponding diagram 1, Fig. 2 respectively.
Particularly, in the present embodiment, as shown in Figures 1 to 4, switching device shifter 14 has the first entrance 14a, the second entrance 14b, the first outlet 14c and second outlet 14d, switching device shifter 14 comprises for the first entrance 14a and first is exported 14c, the second entrance 14b and second exports 14d conducting and be used for switching to the switching mechanism that the first entrance 14a and second exports 14d, the second entrance 14b and first exports 14c conducting, its reliability is high, and handoff procedure is simple.The spool type of drive of switching mechanism can be manual, pneumatic or electromagnetic force driving etc.
Particularly, as shown in Figures 1 to 4, driving device 12 is connected with air inlet pipeline 18, and air inlet pipeline 18 and first is in charge of 36 and is all connected to driving device 12, and first other end be in charge of is connected to the first entrance 14a.Air inlet pipeline 18 can provide gas, driving device 12 is in charge of 36 by first and is connected to the first entrance 14a, driving device 12 is in charge of 37 by second and is connected to air delivery device 9, second entrance 14b is connected to expiration pipeline 4, first outlet 14c is connected to gas exhaust piping 31, second outlet 14d is connected to air delivery device 9 and suction line 3, second and exports 14d and can be connected to the first arm 33, first arm 33, second arm 34 and be connected by tee T with connecting line 32.When be in relapse into system model time, the first entrance 14a and first exports 14c and communicates, and the second entrance 14b and second exports 14d communicates.When being in without when relapsing into system model, first entrance 14a and second exports 14d and communicates, and the second entrance 14b and first exports 14c communicates, now, driving device 12 by first be in charge of the 36, first entrance 14a, second outlet 14d, the second arm 34 can together with live gas supply line 7 conducting in suction line 3, in embody rule, the second arm 34, live gas supply line 7 and suction line 3 can be connected on a tee T.
Or driving device 12 can be connected to described switching device shifter 14 by air delivery device 9, be now in charge of 36 without the need to arranging first, driving device 12 is connected to air delivery device 9, and air delivery device 9 is connected to switching device shifter 14.
Particularly, gas exhaust piping 31 is connected with outlet valve 13.
Air delivery device 9 can be physical isolation formula or non-physical isolation formula, particularly, air delivery device 9 can be folding bellows air delivery device (as shown in Figure 1 and Figure 2), tortuous air flue type air delivery device (as shown in Figure 3, Figure 4), or piston type air delivery device etc.When adopting piston type air delivery device, motor also can be adopted to drive.
In the present embodiment, folding bellows air delivery device comprises housing and is arranged at the folding capsule in housing, and the space outside folding capsule and between case inside is communicated in driving device 12, and the space inside folding capsule is communicated in switching device shifter 14 and suction line 3; Tortuous air flue type air delivery device comprises single, two or many tortuous air flues in parallel, and described tortuous air flue is connected to described switching device shifter 14 and described suction line 3; Described piston type air delivery device comprises housing and the piston be arranged in described housing that slides, and the housing of described piston type air delivery device is connected to described switching device shifter 14 and described suction line 3.
Particularly, as shown in Figure 5, switching device shifter 14 can be two position and four-way reversing valves or be two-bit triplet reversal valve 140 etc.Two-bit triplet reversal valve 140 can be provided with one, two or more.
Particularly, driving device 12 controls flow or the pressure size of output by proportioning valve or turbine.
Particularly, be provided with the adsorbing material for absorbing carbon dioxide in absorption plant 8 (tourie), adsorbing material is sodica calx.
The anesthetic machine respiratory system that the embodiment of the present invention provides, its switching device shifter 14 is as systematic evaluation valve, the switching between multiple intake system and the multiple intake system of nothing can be realized, be in shown in Fig. 1 and relapse into system mode, anesthetic machine is used for gas anesthesia, when patient 1 exhales, breath flows through patient's pipeline 2, exhalation vents (expiration pipeline 4) and expiratory one-way valve 6, enter the second entrance 14b (b mouth) of switching device shifter 14, air delivery device 9 is out entered from the second outlet 14d (d mouth), the live gas simultaneously carrying gas anesthesia medicine also enters air delivery device 9 through absorption plant 8 from live gas supply line 7, now driving device 12 is closed, driving gas in air delivery device 9 is pushed into the first entrance 14a (a mouth) of switching device shifter 14 by the mist that the gas that breath and live gas supply line 7 provide is formed, outlet valve 13 is out entered from the first outlet 14c (c mouth), discharged by the exhaust port 19 of gas exhaust piping 31, owing to having anesthetic gases in tail gas, exhaust port 19 accesses the exhaust treatment system of hospital usually, outlet valve 13 can control the pressure that patient 1 exhales, during patient's 1 air-breathing, the driving gas that driving device 12 produces enters air delivery device 9, promote the mist of breath and live gas supply line 7 through absorption plant 8, gas can by the sodica calx filtering in absorption plant 8 by carbon dioxide during absorption plant 8, the breath of filtering carbon dioxide flows through breather cheek valve 5, air entry (suction line 3) together with live gas supply line 7, again enter through patient's pipeline 2 in the lung of patient 1, complete respiration circulation.Pressure and the flow-control of patient 1 expiratory phase are controlled by driving device 12, and driving device 12 can be proportioning valve or turbine, if adoption rate valve is as driving device, source gas can be compressed oxygen/air bottle or the central source from hospital; If driving device 12 is turbine type, source gas can take from the air in environment; If when air delivery device 9 is piston, driving device 12 can be motor.Hand-machine control transfer valve 15 can by systematic evaluation to manual mode, and now manually leather bag 16 controls ventilation, and unnecessary gas is discharged by APL valve (limiting valve with adjustable pressure 17).
Figure 2 shows that in Fig. 1, anesthetic machine respiratory system switches to without relapsing into system mode, in the multiple intake system of nothing, carbon-dioxide absorbent is not necessary, carbon-dioxide absorbent in absorption plant 8 can be removed, also bypass branch 8a can be switched to by bypass transfer valve 10 as shown in Figure 2, switching mode can automatically switch for machine, also can for manually switching.When patient 1 exhales, after breath flows through patient's pipeline 2, exhalation vents (expiration pipeline 4) and expiratory one-way valve 6, enter the second entrance 14b (b mouth) of switching device shifter 14, discharged from the first outlet 14c (c mouth) is out direct by outlet valve 13, owing to not containing anesthetic gases in patient 1 breath, can directly be discharged in the middle of surrounding, outlet valve 13 can control the pressure that patient 1 exhales; During patient's 1 air-breathing, the driving gas that driving device 12 produces is without air delivery device 9, enter from the first entrance 14a (a mouth) of switching device shifter 14, second outlet 14d (d mouth) out, again successively by absorption plant 8 or bypass branch 8a, breather cheek valve 5, air entry (suction line 3), enter through patient's pipeline 2 in the lung of patient 1, complete respiration circulation.Pressure and the flow-control of patient 1 expiratory phase are controlled by driving device 12.By switching to without relapsing into system mode, anesthetic machine is operated in " respirator pattern ", may be used for intravenous injection anesthesia, also can serve as Use of respirator.
Relative to the anesthetic machine respiratory system of employing physical property isolation as shown in Figure 1 and Figure 2, for the anesthetic machine respiratory system adopting non-physical isolation, typical in adopted air delivery device 9 that is single or many elongated tortuous air flue compositions in parallel, as shown in Figure 3, Figure 4, switching device shifter 14 also can slightly be done to be out of shape.Figure 3 shows that to switch to relapses into system mode, Figure 4 shows that and switches to without relapsing into system mode.Because driving gas is not isolated in outside respiratory system by air delivery device 9 as folding capsule or piston, be different from the embodiment of Fig. 1, Fig. 2, relapse into system mode as shown in Figure 4 in nothing, during patient's 1 air-breathing, driving gas does not flow through switching device shifter 14, but directly through air delivery device 9, then by absorption plant 8 or bypass branch 8a, breather cheek valve 5, air entry (suction line 3), enter through patient's pipeline 2 in the lung of patient 1.
Switching device shifter 14 can adopt two position and four-way reversing valves as shown in Figures 1 to 4, can also be combined by multiple valve, is typically combined by two two-bit triplet reversal valves as shown in Figure 5.Certainly, understandably, the implementation of switching device shifter 14 is not limited to illustrated embodiment, and it also realizes by modes such as rotary valves.Switching device shifter 14 can manually switch, and also realize by automatically switching, its drive scheme can set according to practical situation.
Below for three-way valve as switching device shifter 14, three-way valve has the second entrance 14b (b mouth), the first outlet 14c (c mouth) and the second outlet 14d (d mouth).Be in shown in Fig. 6 and relapse into system mode, anesthetic machine is used for gas anesthesia, when patient 1 exhales, breath flows through patient's pipeline 2, exhalation vents (expiration pipeline 4) and expiratory one-way valve 6, enter the second entrance 14b (b mouth) of switching device shifter 14, air delivery device 9 is out entered from the second outlet 14d (d mouth), the live gas simultaneously carrying gas anesthesia medicine also enters air delivery device 9 through absorption plant 8 from live gas supply line 7, now driving device 12 is closed, driving gas in air delivery device 9 is pushed into by the mist that the gas that breath and live gas supply line 7 provide is formed is discharged by the exhaust port 19 of gas exhaust piping 31, owing to having anesthetic gases in tail gas, exhaust port 19 accesses the exhaust treatment system of hospital usually, outlet valve 13 can control the pressure that patient 1 exhales, during patient's 1 air-breathing, the driving gas that driving device 12 produces enters air delivery device 9, promote the mist of breath and live gas supply line 7 through absorption plant 8, gas can by the sodica calx filtering in absorption plant 8 by carbon dioxide during absorption plant 8, the breath of filtering carbon dioxide flows through breather cheek valve 5, air entry (suction line 3) together with live gas supply line 7, again enter through patient's pipeline 2 in the lung of patient 1, complete respiration circulation.Pressure and the flow-control of patient 1 expiratory phase are controlled by driving device 12, and driving device 12 can be proportioning valve or turbine, if adoption rate valve is as driving device, source gas can be compressed oxygen/air bottle or the central source from hospital; If driving device 12 is turbine type, source gas can take from the air in environment; If when air delivery device 9 is piston, driving device 12 can be motor.Hand-machine control transfer valve 15 can by systematic evaluation to manual mode, and now manually leather bag 16 controls ventilation, and unnecessary gas is discharged by APL valve (limiting valve with adjustable pressure 17).
Figure 7 shows that in Fig. 6, Multi-functional anesthesia machine respiratory system switches to without relapsing into system mode, in the multiple intake system of nothing, carbon-dioxide absorbent is not necessary, carbon-dioxide absorbent in absorption plant 8 can be removed, also bypass branch 8a can be switched to by bypass transfer valve 10, switching mode can automatically switch for machine, also can for manually switching.When patient 1 exhales, after breath flows through patient's pipeline 2, exhalation vents (expiration pipeline 4) and expiratory one-way valve 6, enter the second entrance 14b (b mouth) of switching device shifter 14, discharged from the first outlet 14c (c mouth) is out direct by outlet valve 13, owing to not containing anesthetic gases in patient 1 breath, can directly be discharged in the middle of surrounding, outlet valve 13 can control the pressure that patient 1 exhales; During patient's 1 air-breathing, the driving gas that driving device 12 produces by absorption plant 8 or bypass branch 8a, breather cheek valve 5, air entry (suction line 3), enters through patient's pipeline 2 in the lung of patient 1 successively, completes respiration circulation.Pressure and the flow-control of patient 1 expiratory phase are controlled by driving device 12.By switching to without relapsing into system mode, anesthetic machine is operated in " respirator pattern ", may be used for intravenous injection anesthesia, also can serve as Use of respirator.
Be connected to described expiration pipeline 4 or suction line 3 for driving device 12 below, as shown in Figure 8 and Figure 9, adopt turbine as driving device 12, turbine is positioned in suction line 3, and outlet valve 6 is positioned on expiration pipeline 4.As shown in Figure 8, relapse fashionable, expiration phase, turbine 12 stops or low cruise, and outlet valve 13 is opened, and breath is stored into leather bag 16; Expiratory phase, outlet valve 13 cuts out, and turbine pressure on demand or flow export, and the gas stored in leather bag 16 is exported to patient.As shown in Figure 9, fashionable without relapsing, direct incoming call air during expiration, during air-breathing, turbine is bled and is supplied patient from environment air inlet pipeline 18.The position of turbine also can in the position of expiration pipeline 4 or the second arm 34, and outlet valve 13 also can be located between expiratory one-way valve 6 and patient's pipeline 2.Driving device 12 also can adopt piston type driving device, piston type driving device comprises plunger shaft and is arranged at the piston in plunger shaft, as shown in Figure 10 and Figure 11, first gas sucker chamber during its air-breathing, during expiration, gas is extruded from plunger shaft, check valve 51 ensures that the gas that piston extrudes does not flow backwards, wherein, piston type driving device is connected in suction line 3, suction line 3 can also be connected with check valve 51, and piston type driving device can be connected on the pipeline between check valve 51 and inlet valve 5.
The anesthetic machine respiratory system that the embodiment of the present invention provides and anesthetic machine, it can carry out without the quick switching between multiple intake system and multiple intake system, shortcoming of the prior art can be eliminated, and, for different driving types, as proportioning valve drives or turbine drive, and different air delivery devices 9, as folding bellows, piston type or tortuous air flue type, all can realize without the switching between multiple intake system and multiple intake system.Switch to when relapsing into system mode, anesthetic machine can be used for traditional gas anesthesia; When switching to without multiple intake system, driving gas is directly sucked by patient 1, and patient 1 breath controls to drain into the external world through outlet valve 13, does not recycle in respiratory system, and may be used for intravenous injection anesthesia and serve as Use of respirator, product is flexible multi-purpose.When switching to without multiple intake system, driving gas is directly sucked by patient 1, and patient 1 breath controls to drain into the external world through outlet valve 13, does not recycle in respiratory system, medical personnel pay close attention to carbon-dioxide absorbent the need of replacing without the need to the moment, alleviate the burden of medical personnel.And, the anesthetic machine respiratory system that the embodiment of the present invention provides, it is not by the restriction of air delivery device type, can be the air delivery device of folding capsule, piston or tortuous air flue type; Also not by the restriction of type of drive, driving device can be proportioning valve drive-type, also can be turbine driven etc.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. an anesthetic machine respiratory system, is characterized in that, comprises and drives branch road, gas exhaust piping, expiration pipeline and suction line; Also comprise and driving branch road is connected with expiration pipeline and suction line, or branch road will be driven to be connected with suction line, and expiration pipeline is connected realize relapsing with gas exhaust piping or without the switching device shifter switched between relapsing.
2. anesthetic machine respiratory system as claimed in claim 1, it is characterized in that, described driving branch road comprises the driving device for controlling pressure of inspiration(Pi) and flow, and described driving device is connected to described switching device shifter and described suction line by two groups of pipelines; Or described driving device is connected to described expiration pipeline or suction line; Or described driving device is connected to described switching device shifter.
3. anesthetic machine respiratory system as claimed in claim 2, it is characterized in that, described driving branch road also comprises air delivery device; Described suction line or described air delivery device are connected with live gas supply line, described expiration pipeline and gas exhaust piping are connected to described switching device shifter, described air delivery device is connected to described switching device shifter and described suction line, described suction line or described expiration pipeline or be connected with absorption plant between described air delivery device and described suction line.
4. anesthetic machine respiratory system as claimed in claim 3, it is characterized in that, described absorption plant is connected to described suction line, described absorption plant is parallel with bypass branch, described Multi-functional anesthesia machine respiratory system has bypass transfer valve, and absorption plant is communicated with suction line or is communicated with suction line by bypass branch by described bypass transfer valve.
5. anesthetic machine respiratory system as claimed in claim 3, it is characterized in that, connecting line is connected with between described air delivery device and described switching device shifter, described connecting line is connected to described switching device shifter by the first arm, described connecting line is connected to described suction line by the second arm, described connecting line place is connected with hand-machine control transfer valve, and described hand-machine control transfer valve is connected with manual control part.
6. anesthetic machine respiratory system as claimed in claim 5, it is characterized in that, described manual control part comprises the tail gas discharging pipe being connected to described hand-machine control transfer valve, and described tail gas discharging pipe is connected with Manual bladder, limiting valve with adjustable pressure.
7. anesthetic machine respiratory system as claimed in claim 2, it is characterized in that, described driving branch road also comprises an air inlet pipeline, driving device can be connected with expiration pipeline and suction line by described switching device shifter, or air inlet pipeline is connected with suction line by described switching device shifter, and expiration pipeline is connected with gas exhaust piping.
8. anesthetic machine respiratory system as claimed in claim 3, is characterized in that, described switching device shifter is two position and four-way reversing valves or is two-bit triplet reversal valve.
9. the anesthetic machine respiratory system according to any one of claim 3 to 8, it is characterized in that, described switching device shifter is two position and four-way reversing valves, there is the first entrance, second entrance, first outlet and the second outlet, described switching device shifter comprises for described first entrance and first being exported, described second entrance and second exports conducting and exports for switching to the first entrance and second, described second entrance and first exports the switching mechanism of conducting, described driving device is in charge of by first and is connected to described first entrance, described driving device is in charge of by second and is connected to described air delivery device, described second entrance is connected to described expiration pipeline, described first outlet is connected to described gas exhaust piping, described second outlet is connected to air delivery device and described suction line.
10. the anesthetic machine respiratory system according to any one of claim 2 to 8, is characterized in that, described gas exhaust piping is connected with outlet valve.
11. anesthetic machine respiratory systems according to any one of claim 3 to 8, is characterized in that, described air delivery device is folding bellows air delivery device, tortuous air flue type air delivery device or piston type air delivery device.
12. anesthetic machine respiratory systems as claimed in claim 11, it is characterized in that, described folding bellows air delivery device comprises housing and is arranged at the folding capsule in described housing, space outside described folding capsule and between described case inside is communicated in described driving device, and the space inside described folding capsule is communicated in described switching device shifter and described suction line; Described tortuous air flue type air delivery device comprises single, two or many tortuous air flues in parallel, and described tortuous air flue is connected to described switching device shifter and described suction line; Described piston type air delivery device comprises housing and the piston be arranged in described housing that slides, and the housing of described piston type air delivery device is connected to described switching device shifter and described suction line.
13. anesthetic machine respiratory systems according to any one of claim 2 to 8, is characterized in that, described driving device passing ratio valve, turbine or piston control the flow that exports or pressure size.
14. anesthetic machine respiratory systems according to any one of claim 2 to 8, is characterized in that, be provided with the adsorbing material for absorbing carbon dioxide in described absorption plant.
15. 1 kinds of anesthetic machines comprising anesthetic machine respiratory system described in any one of claim 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2014/092785 WO2016086354A1 (en) | 2014-12-02 | 2014-12-02 | Anesthesia machine respiratory system and anesthesia machine |
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| CN105517612A true CN105517612A (en) | 2016-04-20 |
| CN105517612B CN105517612B (en) | 2018-06-12 |
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| CN201480017240.0A Active CN105517612B (en) | 2014-12-02 | 2014-12-02 | Anesthesia machine respiratory system and anesthesia machine |
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| WO (1) | WO2016086354A1 (en) |
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| WO2019075756A1 (en) * | 2017-10-20 | 2019-04-25 | 深圳迈瑞生物医疗电子股份有限公司 | Anesthesia machine and circuit drainage device thereof |
| WO2020087397A1 (en) * | 2018-10-31 | 2020-05-07 | 深圳迈瑞生物医疗电子股份有限公司 | Anesthesia respiration device and method |
| CN111479608A (en) * | 2017-12-15 | 2020-07-31 | 马奎特紧急护理公司 | Respiratory component and method for producing a respiratory component |
| EP3711804A4 (en) * | 2017-10-20 | 2020-09-23 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd | Anesthesia machine, oxygen battery calibration system and calibration method thereof |
| CN112774022A (en) * | 2021-02-02 | 2021-05-11 | 重庆普施康科技发展股份有限公司 | Air bag quick-charging type external counterpulsation device |
| CN112791284A (en) * | 2021-01-27 | 2021-05-14 | 天津仟易鑫科技发展有限公司 | Breathing circuit |
| WO2021134374A1 (en) * | 2019-12-30 | 2021-07-08 | 深圳迈瑞生物医疗电子股份有限公司 | Medical ventilation system |
| WO2022126413A1 (en) * | 2020-12-16 | 2022-06-23 | 深圳迈瑞动物医疗科技有限公司 | Anesthesia machine, veterinary anesthesia machine, and exhaust gas absorption tank support apparatus thereof |
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| EP3536369A1 (en) * | 2018-03-08 | 2019-09-11 | Löwenstein Medical Technology S.A. | Respiratory apparatus with switching valve |
| CN114271988A (en) * | 2021-12-15 | 2022-04-05 | 上海梅理实验科技有限公司 | Animal anesthesia machine |
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| CN112774022A (en) * | 2021-02-02 | 2021-05-11 | 重庆普施康科技发展股份有限公司 | Air bag quick-charging type external counterpulsation device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105517612B (en) | 2018-06-12 |
| WO2016086354A1 (en) | 2016-06-09 |
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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 MINDRAY science and technology south twelve road MINDRAY high tech Industrial Park, Shenzhen, Guangdong Patentee before: Shenzhen Mairui Biotherapeutic Electronic Co., Ltd. |