CN107335119A - Anesthesia machine and its bellows pneumatic drive system - Google Patents
Anesthesia machine and its bellows pneumatic drive system Download PDFInfo
- Publication number
- CN107335119A CN107335119A CN201710710100.7A CN201710710100A CN107335119A CN 107335119 A CN107335119 A CN 107335119A CN 201710710100 A CN201710710100 A CN 201710710100A CN 107335119 A CN107335119 A CN 107335119A
- Authority
- CN
- China
- Prior art keywords
- valve
- bellows
- gas
- drive system
- pneumatic drive
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Classifications
-
- 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
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- 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
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
Abstract
A kind of Anesthesia machine includes bellows pneumatic drive system, the air driving blower fan system includes brushless DC blower, regulating valve, suction exhalation combination valve and driving gas connection ports and exhaust outlet, when suction exhalation combination valve is powered, exhaust outlet ends, brushless brushless DC blower is inputted driving gas to the suction exhalation combination valve by pressure regulator valve, suction exhalation combination valve will drive gas by driving gas connection ports to input to bellows, and then drive bellows；Exhalation combination valve power-off is sucked, exhaust outlet is turned on, and the driving gas in bellows is inputted to exhaust outlet and discharged by the suction exhalation combination valve.Compared with prior art, the bellows pneumatic drive system of Anesthesia machine of the present invention passes through the break-make of magnetic valve and the size of throttle valve control wind-force using brushless fan, and then pure oxygen in high pressure is replaced to drive the bellows of Anesthesia machine, the consumption to pure oxygen in high pressure is greatly reducing, avoids unnecessary waste of oxygen.
Description
【Technical field】
The present invention is on a kind of Anesthesia machine, more particularly to a kind of Anesthesia machine with bellows pneumatic drive system.
【Background technology】
The development of electronics technology technology is more and more rapider at present, and the development of medical electric equipment follows hard on the pin of modern medicine
Step, in Medical Devices, the Anesthesia machine Medical Instruments essential as surgery anesthesia is widely used, and its major function is
Appropriate anesthesia mixed gas is sucked to operation patients, while supplies a certain proportion of oxygen and ensures eupnea, is implementing whole body
During anesthesia, the vital sign of patient in art is maintained and guarded, operation safety is can guarantee that, reliably carries out.Existing market
On Anesthesia machine according to type of drive point, electric electric-controlled can be divided into and drive automatically controlled two major class, wherein, in the market Pneumatic electrical control accounts for
There is an overwhelming majority, Pneumatic electrical control Anesthesia machine is using in oxygen cylinder or Central oxygen-supply center pure oxygen drives, and is so not only expended
Substantial amounts of pure oxygen, and the Anesthesia machine of this type of drive is performed an operation in the environment of inclement condition oxygen lacks, then can be tight
Ghost image rings running smooth for operation.
Therefore a kind of improved Anesthesia machine is needed to carry out overcome the deficiencies in the prior art.
【The content of the invention】
It is a kind of using empty gas-powered Anesthesia machine and its bellows pneumatic drive system it is a primary object of the present invention to provide.
In order to solve the above technical problems, the present invention can adopt the following technical scheme that：A kind of bellows pneumatic drive system, its
Including brushless DC blower, the regulating valve of the air outlet of the connection brushless DC blower, the connection pressure regulator valve gas outlet
Suction exhalation combination valve and connection it is described suction exhalation combination valve two gas outlets driving gas connection ports and exhaust outlet, institute
When stating suction exhalation combination valve energization, the exhaust outlet cut-off, the brushless brushless DC blower is by pressure regulator valve driving gas
Body, which is inputted to the suction exhalation combination valve, the suction exhalation combination valve, will drive gas by driving gas connection ports to input
To bellows, and then drive bellows；The suction exhalation combination valve power-off, the exhaust outlet turn on, and the driving gas in bellows leads to
The suction exhalation combination valve is crossed to input to exhaust outlet and discharge.
It is as follows that structure is embodied：
The bellows pneumatic drive system also includes the first intake valve for connecting pure oxygen in high pressure respectively, first intake valve
Gas outlet connection flow meters air inlet.
The gas outlet of first intake valve is also connected with the air inlet of one first pressure-reducing valve.
The gas outlet of first pressure-reducing valve connects a pressure gauge.
The gas outlet of first pressure-reducing valve is also connected with an oxygen flush valve, the gas outlet connection one of the oxygen flush valve
Live gas delivery outlet.
The bellows pneumatic drive system also includes the second intake valve of connection laughing gas, the gas outlet of second intake valve
Connect another air inlet of the flowmeter.
The gas outlet of second intake valve connects one second pressure-reducing valve, and second intake valve depressurizes by described second
Valve connects another air inlet of the flowmeter.
Two gas outlets of the flowmeter are all connected with an evaporator hangoff receptacle.
The gas outlet of the evaporator hangoff receptacle connects a check valve, and the gas outlet of the check valve connects the virgin gas
Body delivery outlet.
In order to solve the above technical problems, the present invention can use following another technical scheme：A kind of Anesthesia machine, the anesthesia
Machine includes the bellows pneumatic drive system as described above of bellows and the control bellows.
Compared with prior art, the bellows pneumatic drive system of Anesthesia machine of the present invention passes through magnetic valve using brushless fan
The size of break-make and throttle valve control wind-force, and then replace pure oxygen in high pressure to drive the bellows of Anesthesia machine, it greatly reducing
Consumption to pure oxygen in high pressure, avoid unnecessary waste of oxygen.
【Brief description of the drawings】
Fig. 1 is the structural representation of the bellows pneumatic drive system of Anesthesia machine of the present invention.
【Main element symbol description】
The brushless DC blower 1 of bellows pneumatic drive system 100
The suction exhalation combination valve 13 of pressure regulator valve 2
Drive the exhaust outlet 11 of gas connection ports 12
The flowmeter 3 of intake valve 7,8
The pressure gauge 6 of pressure-reducing valve 4,9
The live gas delivery outlet 14 of oxygen flush valve 17
The check valve 16 of evaporator hangoff receptacle 5
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
【Embodiment】
As shown in figure 1, the better embodiment of the bellows pneumatic drive system 100 of Anesthesia machine of the present invention includes brushless direct-current
The suction of gas outlet of blower fan 1, the pressure regulator valve 2 of air outlet of the connection brushless DC blower 1, the connection pressure regulator valve 2 is exhaled
Go out the driving gas connection ports 12 and exhaust outlet 11 of two gas outlets of combination valve 13 and the connection suction exhalation combination valve 13.Institute
State the control that exhaust outlet 11 is controlled by the suction exhalation combination valve 13, it is possible to achieve cut-off.
The bellows pneumatic drive system 100 also includes connecting the intake valve 8 of pure oxygen in high pressure and entering for connection laughing gas respectively
Air valve 7.The air inlet of gas outlet connection flow meters 3 and the air inlet of a pressure-reducing valve 9 of the intake valve 8.The pressure-reducing valve 9
Gas outlet connect a pressure gauge 6 and an oxygen flush valve 17 respectively.The gas outlet connection one of the oxygen flush valve 17 is fresh
Gas delivery port 14.The gas outlet of the intake valve 7 connects a pressure-reducing valve 4, and the gas outlet of the pressure-reducing valve 4 connects the flow
Another air inlet of meter 3.Two gas outlets of the flowmeter 3 are all connected with an evaporator hangoff receptacle 5, the evaporator hangoff receptacle 5
Gas outlet connect a check valve 16, the gas outlet of the check valve 16 connects the live gas delivery outlet 14.
The brushless DC blower 1 inputs driving gas to driving by sucking exhalation combination valve 13 by pressure regulator valve 2
Gas connection ports 12, to drive bellows.The pressure regulator valve 2 is adjusting the size of the driving gas so as to adjusting tidal volume
Size.The pressure-reducing valve 4 is required when Anesthesia machine works the pressure of the laughing gas inputted from the intake valve 7 to be reduced to
Gas.The pressure-reducing valve 9 is required when Anesthesia machine works the pressure of the pure oxygen in high pressure inputted from the intake valve 8 to be reduced to
The gas wanted.Pressure-reducing valve 4 and the pressure-reducing valve 9 also have the function that steady pressure.One air inlet of the flowmeter 3 is by subtracting
Pressure valve 4 connects intake valve 7, and another air inlet connects intake valve 8, the gas outlet of the flowmeter 3 by evaporator hangoff receptacle 5 and
Check valve 16 connects live gas delivery outlet 14, and therefore, the flowmeter 3 has the size of the fresh gas flow of regulation output
And the effect of mixture of oxygen and laughing gas.The evaporator hangoff receptacle 5 is used to hang evaporator, when Anesthesia machine works, the suspension
Evaporator is opened, and anesthetic gases can be inputted to bellows by the evaporator hangoff receptacle 5.The check valve 16 have prevent from mixing
Close the effect inside gas reverse circulated to evaporator.The oxygen flush valve 17 connects the intake valve 8 by pressure-reducing valve 9,
And then it can play a part of to bellows fast aeration.
When the bellows pneumatic drive system 100 of Anesthesia machine of the present invention works, the brushless DC blower 1 is continuing to supply pressure regulation
The gas of valve 2, frequency of the pressure regulator valve 2 according to set by Anesthesia machine will drive gas defeated by the suction exhalation combination valve 13
Enter to driving gas connection ports 12, and then be filled with bellows to drive bellows.During inspiratory phase, the suction exhalation combination valve 13 is logical
Electricity, the exhaust outlet 11 end, and the driving gas inputs bellows by the driving gas connection ports 12.During expiratory phase, institute
State suction exhalation combination valve 13 to power off, the exhaust outlet 11 turns on, and the driving gas in former bellows passes through the suction exhalation group
Valve 13 is closed to input to exhaust outlet 11 and discharge.The pure oxygen in high pressure and laughing gas are extremely flowed by pressure-reducing valve 4 and the input of pressure-reducing valve 9 respectively
Gauge 3, the flowmeter 3 again input mixed gas to evaporator hangoff receptacle 5, ultimately form mixed gas, the gaseous mixture
Body is inputted to live gas delivery outlet 14 by check valve 16 again, is finally constantly added to bellows and so far completes whole system
Blowdown process of system.The supplement process of the mixed gas runs through the inspiratory phase and expiratory phase.
The bellows pneumatic drive system 100 of Anesthesia machine of the present invention is passed through using high flow capacity, the brushless DC blower 1 of high pressure
The size of break-make and pressure regulator valve 2 the control wind-force of magnetic valve, and then replace pure oxygen in high pressure to drive the bellows of Anesthesia machine.This skill
Art scheme greatly reducing the consumption to pure oxygen in high pressure, avoid unnecessary waste of oxygen.It can also be lacked simultaneously in oxygen
Under conditions of weary, ensure that the high quality of operation is carried out.The mode of the technical program control bellows drives in the pure oxygen of same volume
Under, the time than oxygen used in pure oxygen in high pressure driving can extend 4 times, greatly save high pressure oxygen and surgical procedure mesohigh
The trouble that pure oxygen deficiency is changed.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
Some variations that some of which part may be made are embodied the present invention principle, belong to protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of bellows pneumatic drive system, it includes the air outlet of brushless DC blower, the connection brushless DC blower
The suction exhalation combination valve of gas outlet and two outlets of the connection suction exhalation combination valve of regulating valve, the connection pressure regulator valve
Mouthful driving gas connection ports and exhaust outlet, when the suction exhalation combination valve is powered, exhaust outlet cut-off is described brushless straight
Flow fan is inputted driving gas to the suction exhalation combination valve, the suction by pressure regulator valve and breathes out combination valve by driving gas
Body drives bellows by driving gas connection ports to input to bellows；The suction exhalation combination valve power-off, the exhaust outlet
Turn on, the driving gas in bellows is inputted to exhaust outlet and discharged by the suction exhalation combination valve.
2. bellows pneumatic drive system as claimed in claim 1, it is characterised in that：The bellows pneumatic drive system also includes
The first intake valve of pure oxygen in high pressure, the air inlet of the gas outlet connection flow meters of first intake valve are connected respectively.
3. bellows pneumatic drive system as claimed in claim 2, it is characterised in that：The gas outlet of first intake valve also connects
Connect the air inlet of one first pressure-reducing valve.
4. bellows pneumatic drive system as claimed in claim 3, it is characterised in that：The gas outlet connection of first pressure-reducing valve
One pressure gauge.
5. bellows pneumatic drive system as claimed in claim 4, it is characterised in that：The gas outlet of first pressure-reducing valve also connects
An oxygen flush valve is connect, the gas outlet of the oxygen flush valve connects a live gas delivery outlet.
6. bellows pneumatic drive system as claimed in claim 2, it is characterised in that：The bellows pneumatic drive system also includes
The second intake valve of laughing gas is connected, the gas outlet of second intake valve connects another air inlet of the flowmeter.
7. bellows pneumatic drive system as claimed in claim 6, it is characterised in that：The gas outlet connection of second intake valve
One second pressure-reducing valve, second intake valve connect another air inlet of the flowmeter by second pressure-reducing valve.
8. bellows pneumatic drive system as claimed in claim 6, it is characterised in that：Two gas outlets of the flowmeter are all connected with
One evaporator hangoff receptacle.
9. bellows pneumatic drive system as claimed in claim 8, it is characterised in that：The gas outlet of the evaporator hangoff receptacle connects
A check valve is connect, the gas outlet of the check valve connects the live gas delivery outlet.
10. a kind of Anesthesia machine, the Anesthesia machine includes bellows and the bellows as described in claim 1-9 of the control bellows are empty
Gas drive system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710100.7A CN107335119A (en) | 2017-08-18 | 2017-08-18 | Anesthesia machine and its bellows pneumatic drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710100.7A CN107335119A (en) | 2017-08-18 | 2017-08-18 | Anesthesia machine and its bellows pneumatic drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107335119A true CN107335119A (en) | 2017-11-10 |
Family
ID=60215130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710710100.7A Pending CN107335119A (en) | 2017-08-18 | 2017-08-18 | Anesthesia machine and its bellows pneumatic drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107335119A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4603691A (en) * | 1984-12-24 | 1986-08-05 | Tibor Rusz | Pulmonary ventilator-bellows-assembly kit |
| CN101244307A (en) * | 2007-02-16 | 2008-08-20 | 通用电气公司 | Mobile medical ventilator |
| CN101332329A (en) * | 2007-06-28 | 2008-12-31 | 通用电气公司 | Patient breathing system |
| CN102580213A (en) * | 2012-03-21 | 2012-07-18 | 深圳市科曼医疗设备有限公司 | Ventilation system of anesthesia machine and flow calibrating method of ventilation system |
| CN102580201A (en) * | 2011-01-07 | 2012-07-18 | 通用电气公司 | System and method for providing mechanical ventilation support to a patient |
| WO2013142973A1 (en) * | 2012-03-29 | 2013-10-03 | Joseph Fisher | Anesthetic delivery system |
| US20160114113A1 (en) * | 2011-12-19 | 2016-04-28 | ResQSystems, Inc. | Systems and Methods for Therapeutic Intrathoracic Pressure Regulation |
-
2017
- 2017-08-18 CN CN201710710100.7A patent/CN107335119A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4603691A (en) * | 1984-12-24 | 1986-08-05 | Tibor Rusz | Pulmonary ventilator-bellows-assembly kit |
| CN101244307A (en) * | 2007-02-16 | 2008-08-20 | 通用电气公司 | Mobile medical ventilator |
| CN101332329A (en) * | 2007-06-28 | 2008-12-31 | 通用电气公司 | Patient breathing system |
| CN102580201A (en) * | 2011-01-07 | 2012-07-18 | 通用电气公司 | System and method for providing mechanical ventilation support to a patient |
| US20160114113A1 (en) * | 2011-12-19 | 2016-04-28 | ResQSystems, Inc. | Systems and Methods for Therapeutic Intrathoracic Pressure Regulation |
| CN102580213A (en) * | 2012-03-21 | 2012-07-18 | 深圳市科曼医疗设备有限公司 | Ventilation system of anesthesia machine and flow calibrating method of ventilation system |
| WO2013142973A1 (en) * | 2012-03-29 | 2013-10-03 | Joseph Fisher | Anesthetic delivery system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171110 |
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| RJ01 | Rejection of invention patent application after publication |