CN102366647B - CPAP (Continuous Positive Airway Pressure) oxygen supplying instrument with double oxygen sources - Google Patents
CPAP (Continuous Positive Airway Pressure) oxygen supplying instrument with double oxygen sources Download PDFInfo
- Publication number
- CN102366647B CN102366647B CN201110333596.3A CN201110333596A CN102366647B CN 102366647 B CN102366647 B CN 102366647B CN 201110333596 A CN201110333596 A CN 201110333596A CN 102366647 B CN102366647 B CN 102366647B
- Authority
- CN
- China
- Prior art keywords
- oxygen
- valve
- air
- cpap
- branch road
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 239000001301 oxygen Substances 0.000 title claims abstract description 94
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 94
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 43
- 230000009977 dual effect Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 14
- 239000002808 molecular sieve Substances 0.000 claims description 8
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003595 mist Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 208000007502 anemia Diseases 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 210000001533 respiratory mucosa Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a CPAP (Continuous Positive Airway Pressure) oxygen supplying instrument with double oxygen sources. An oil-free air compressor (3), an air/oxygen separated parallel flow path, a reducing valve (14), a throttle valve (15), a one-way valve (18) and a breathing mask (22) are connected in series and in a proper sequence through an air pipeline. A pressure sensor (21) is connected in parallel between the one-way valve (18) and the breathing mask (22). The oxygen supplying instrument is unnecessary to be provided with an extra air compressor and an oxygen bottle or supply the oxygen collectively. The CPAP oxygen supplying instrument with the double air sources, disclosed by the invention, has the advantages of small volume, low cost, convenience for use and maintenance, low noise, little heat emission, reduced failure rate and long service life.
Description
Technical field
The present invention relates to a kind of oxygen supply equipment, particularly relate to a kind of CPAP oxygen supplying instrument with two kinds of sources of the gas.
background technology
On clinical medicine, give at present the I that has autonomous respiration, II type is exhaled the patient that declines, especially anemia of pregnant woman, premature infant, neonate, infant are until the CPAP oxygen supplying instrument (respirator) that the child below 14 years old uses, do not carry any source of the gas, during use, CPAP oxygen supplying instrument, by after oxygen and air are mixed by a certain percentage, by decompression, current limliting, filtration, humidification, provides positive pressure gas by sick human needs.
Yet, independent oxygen supplying instrument cannot be worked, and air source and source of oxygen are all optional equipments, such as air source concentrates air etc. to provide by air compressor or center, source of oxygen is provided by oxygen cylinder or center concentrated oxygen supply etc., moves, uses, safeguards all comparatively inconvenience.Brought very large obstruction to patient's treatment.
The more important thing is , developing country, some remote and underdeveloped county and township hospitals, equipment and condition are limited, cannot use the central gas supply at center at all.Unique selection is exactly to use air compressor and oxygen cylinder.
Yet the source of the gas output pressure of the optional equipment using is at present all very high, generally in 400kPa left and right.Therefore, above-mentioned air compressor, because of continuous operation the high load capacity in the situation that, causes caloric value large, and noise is also relatively large during continuous firing simultaneously.Due to machine sound insulation noise reduction heavily measures, affect to a great extent heat radiation, so compressor pump core works under hot environment, easily there is overtemperature protection and shut down, service life of a machine is short simultaneously, has a strong impact on medical institutions and cures the sickness to save the patient.
Correspondingly, because a lot of remote county and township hospital does not have the condition of concentrated oxygen supply, source of oxygen just can only be used oxygen cylinder supply.But this needs often to change, and oxygen cylinder itself is heavy, move and use all very inconvenient.And the gas station of changing oxygen also needs a series of strict and expensive auxiliary facilities.
Meanwhile, even if adopt the method for air compressor and oxygen cylinder to solve, also bulky and waste ward space high cost relative to cost will be faced.Therefore make using and develop and being subject to very large obstruction of this class oxygen supplying instrument.
Summary of the invention
The object of the invention is to overcome defect of the prior art, as long as a kind of CPAP oxygen supplying instrument with dual gas supply that has electricity just can work is provided.
CPAP oxygen supplying instrument with dual gas supply of the present invention, comprise: the separated stream in parallel of the oil-free air compressor being connected in series successively by gas piping, air/oxygen, air relief valve, choke valve, check valve and breathing mask, between described check valve and described breathing mask and be connected to a pressure transducer; Wherein the separated stream in parallel of air/oxygen comprises pressure regulator valve branch road parallel with one another and produces oxygen branch road, wherein produce oxygen branch road and comprise one or two position and four-way reversing valve and two molecular sieve adsorbers that are connected respectively with two of the offsides of this two position and four-way reversing valve, described two molecular sieve adsorbers are parallel with one another and be jointly connected in series successively with oxygen catcher and oxygen pressure regulator valve, described pressure regulator valve branch road and product oxygen branch road have converged at oxygen mixed proportion adjustable valve, and this sky oxygen mixed proportion adjustable valve is connected in series with described air relief valve.
CPAP oxygen supplying instrument with dual gas supply of the present invention is wherein serially connected with effusion meter on the gas piping between described choke valve and described check valve, between described effusion meter and described check valve and be connected to oxygen concentration monitoring meter.
CPAP oxygen supplying instrument with dual gas supply of the present invention, wherein said described effusion meter, oxygen concentration monitoring meter and pressure transducer are all connected with a monitoring demonstration and control device.
CPAP oxygen supplying instrument with dual gas supply of the present invention, wherein on the gas piping before described oil-free air compressor, be serially connected with successively air filter and air drier, on gas piping after described oil-free air compressor, be serially connected with successively air cooler and water trap, on the gas piping between described check valve and described breathing mask, be serially connected with air filter and air humidifier.
CPAP oxygen supplying instrument with dual gas supply of the present invention, the idle port of giving vent to anger of wherein said two position and four-way reversing valves is connected with a deafener.
CPAP oxygen supplying instrument with dual gas supply of the present invention, without optional equipment air compressor and oxygen cylinder or central gas supply again, volume is little, and cost is low, uses, easy to maintenance; Noise is little, heating is few, and fault rate reduces, long service life.
Accompanying drawing explanation
Below with reference to accompanying drawing, the embodiment of the CPAP oxygen supplying instrument of band dual gas supply of the present invention is described in further detail, wherein:
Fig. 1 is the schematic diagram of CPAP oxygen supplying instrument one embodiment of band dual gas supply of the present invention.
The specific embodiment
With reference to figure 1, Fig. 1 is the schematic diagram of CPAP oxygen supplying instrument one embodiment of band dual gas supply of the present invention.
As shown in Figure 1, CPAP oxygen supplying instrument with dual gas supply of the present invention comprises: the separated stream in parallel of the oil-free air compressor 3 being connected in series successively by gas piping, air/oxygen, air relief valve 14, choke valve 15, check valve 18 and breathing mask 22, and between described check valve 18 and described breathing mask 22 and be connected to a pressure transducer 21.
The separated stream in parallel of air/oxygen comprises pressure regulator valve parallel with one another 6 branch roads and produces oxygen branch road, wherein said product oxygen branch road comprises one or two position and four-way reversing valve 8 and two molecular sieve adsorbers 9 that are connected respectively with two of the offsides of this two position and four-way reversing valve 8,10, the idle port of giving vent to anger of this two position and four-way reversing valve 8 is connected with a deafener 7.This two molecular sieve adsorber 9,10 is parallel with one another and be jointly connected in series successively with oxygen catcher 11 and oxygen pressure regulator valve 12, described pressure regulator valve 6 branch roads and product oxygen branch road have converged at oxygen mixed proportion adjustable valve 13, and this sky oxygen mixed proportion adjustable valve 13 is connected in series with described air relief valve 14.
On the gas piping between described choke valve 15 and described check valve 18, be serially connected with effusion meter 16, between described effusion meter 16 and described check valve 18 and be connected to oxygen concentration monitoring meter 17.Described effusion meter 16, oxygen concentration monitoring meter 17 and pressure transducer 21 are all connected with a monitoring demonstration and control device 23.
On gas piping before oil-free air compressor 3, be serially connected with successively air filter 2 and air drier 1, on gas piping after oil-free air compressor 3, be serially connected with successively air cooler 4 and water trap 5, on the gas piping between check valve 18 and breathing mask 22, be serially connected with air filter 19 and air humidifier 20.
The work process of the CPAP oxygen supplying instrument with dual gas supply of the present invention is as follows:
First oil-free air compression pump 3 energising work, extraneous air filters the impurity such as dust by air drier 1 is dry with air filter 2, by oil-free air compression pump 3, is sucked.Oil-free air compression pump 3 work can produce heats, thereby the air themperature being extracted is raise, by connect 4 pairs of institute's exhausts of air cooler carry out cooling, the water producing after air cooling through after water trap 5 eliminatings.
The air of exporting is divided into two-way: a road is directly undertaken air to be connected with empty oxygen mixed proportion adjustable valve 13 after adjust blood pressure by pressure regulator valve 6; One or two position and four-way reversing valve 8 of separately leading up to alternately enters molecular sieve adsorber 9 and molecular sieve adsorber 10 selective absorption nitrogen, isolates oxygen.Oxygen, after throttling is processed, is collected by oxygen catcher 11.The oxygen of collecting is connected with empty oxygen mixed proportion adjustable valve 13 by after pressure regulator valve 12 adjust blood pressure.Regulate pressure regulator valve 6 and pressure regulator valve 12 to reduce the pressure of air source and source of oxygen, and the pressure of oxygen that guarantees output is identical with the pressure of delivery air, through empty oxygen mixed proportion valve 13, regulate again the mixed proportion of oxygen and air, mixed gas reduces pressure by series connection air relief valve 14, series throttle 15 is carried out throttling, by effusion meter 16 and oxygen concentration monitoring meter 17, by monitoring display control unit 23, check whether flow velocity and the concentration of output source of the gas meet disease human needs, this source of the gas is passed through to series connection check valve 18, air filter 19 filters out the dust impurity that may be mingled with in pilot process, by air humidifier 20, give the gas humidification of output, prevent that the gas that is too dried from bringing injury to patient's respiratory mucosa, through pressure transducer 21, check whether the pressure of output meets user's requirement again, finally be connected with breathing mask 22.
In this section of gas circuit, access flow meter 16, oxygen concentration monitoring meter 17, monitoring stream is through patient's mixed gas flow and concentration respectively.The check valve 18 of access can prevent the refluence of humidifying water.The concentration of the mist of output can regulate by empty oxygen mixed proportion adjustable valve 13, and flow velocity regulates by choke valve 15, thereby regulates the venting pressure of patient end.By the moistening mist of air humidifier 20, by oxygen concentration monitor meter 17, pressure transducer 21 can carry out Real-Time Monitoring to the venting pressure of the concentration of mist and patient end respectively, deposit data in microprocessor, if hypertonia or too low, the oxygen concentration of mist can be reported to the police by this microprocessor.
Adopt this invention, effectively solved the problem in the necessary outer distribution of use CPAP oxygen supplying instrument (respirator) source, noise is little, and volume is little, and heating is few, save space, reduce use cost, failure rate is low, long service life, there is electricity to get final product work, greatly widened the scope of application of CPAP oxygen supplying instrument (respirator).Patient uses the safety coefficient of oxygen supplying instrument (respirator) also to increase, and has brought very large space to the application prospect of CPAP oxygen supplying instrument (respirator) and development.
Claims (1)
1. with a CPAP oxygen supplying instrument for dual gas supply, it is characterized in that comprising:
The separated stream in parallel of the oil-free air compressor being connected in series successively by gas piping (3), air/oxygen, air relief valve (14), choke valve (15), check valve (18) and breathing mask (22), between described check valve (18) and described breathing mask (22) and be connected to a pressure transducer (21);
The separated stream in parallel of wherein said air/oxygen comprises pressure regulator valve parallel with one another (6) branch road and produces oxygen branch road, wherein said product oxygen branch road comprises one or two position and four-way reversing valve (8) and two molecular sieve adsorbers (9 that are connected respectively with two of the offsides of this two position and four-way reversing valve (8), 10), described two molecular sieve adsorbers (9, 10) parallel with one another and be jointly connected in series successively with oxygen catcher (11) and oxygen pressure regulator valve (12), described pressure regulator valve (6) branch road and product oxygen branch road have converged at oxygen mixed proportion adjustable valve (13), this sky oxygen mixed proportion adjustable valve (13) is connected in series with described air relief valve (14),
On the gas piping between described choke valve (15) and described check valve (18), be serially connected with effusion meter (16), between described effusion meter (16) and described check valve (18) and be connected to oxygen concentration monitoring meter (17);
Described effusion meter (16), oxygen concentration monitoring meter (17) and described pressure transducer (21) all show with a monitoring and control device (23) is connected;
On the front gas piping of described oil-free air compressor (3), be serially connected with successively air filter (2) and air drier (1), on gas piping after described oil-free air compressor (3), be serially connected with successively air cooler (4) and water trap (5), on the gas piping between described check valve (18) and described breathing mask (22), be serially connected with air filter (19) and air humidifier (20);
The idle port of giving vent to anger of described two position and four-way reversing valves (8) is connected with a deafener (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110333596.3A CN102366647B (en) | 2011-10-28 | 2011-10-28 | CPAP (Continuous Positive Airway Pressure) oxygen supplying instrument with double oxygen sources |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110333596.3A CN102366647B (en) | 2011-10-28 | 2011-10-28 | CPAP (Continuous Positive Airway Pressure) oxygen supplying instrument with double oxygen sources |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102366647A CN102366647A (en) | 2012-03-07 |
CN102366647B true CN102366647B (en) | 2014-02-26 |
Family
ID=45759266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110333596.3A Expired - Fee Related CN102366647B (en) | 2011-10-28 | 2011-10-28 | CPAP (Continuous Positive Airway Pressure) oxygen supplying instrument with double oxygen sources |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102366647B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102705204A (en) * | 2012-07-05 | 2012-10-03 | 昆山宝宏机械有限公司 | Oxygen-making and nitrogen-making air compressor |
CN103055396B (en) * | 2013-01-31 | 2015-09-23 | 北京北辰亚奥科技有限公司 | A kind of feeder |
CN105363105B (en) * | 2014-08-15 | 2017-09-05 | 深圳市安保科技有限公司 | A kind of Pneumatic electrical control aerating system and its vent method |
CN104645469A (en) * | 2015-02-04 | 2015-05-27 | 丁本增 | Noninvasive breathing apparatus |
US10369320B2 (en) * | 2016-01-21 | 2019-08-06 | Breathe Technologies, Inc. | Modular ventilation system |
CN105664319A (en) * | 2016-03-18 | 2016-06-15 | 沈阳迈思医疗科技有限公司 | Control method and control device of oxygen production and assisted respiration integration |
CN105963910A (en) * | 2016-06-08 | 2016-09-28 | 深圳市好家庭体育用品连锁经营有限公司 | Running machine with oxygen generating function |
CN105920787A (en) * | 2016-06-08 | 2016-09-07 | 深圳市好家庭体育用品连锁经营有限公司 | Fitness equipment and oxygen generating system thereof |
CN106075809A (en) * | 2016-06-08 | 2016-11-09 | 深圳市好家庭体育用品连锁经营有限公司 | A kind of body-building apparatus and oxygen generation system thereof |
CN106267507A (en) * | 2016-07-18 | 2017-01-04 | 合肥美菱净化设备有限公司 | A kind of medical oxygen generator of remote wireless monitoring |
CN106063984A (en) * | 2016-07-21 | 2016-11-02 | 深圳市好家庭体育用品连锁经营有限公司 | Body-building apparatus and oxygen atomization system processed thereof |
WO2018014292A1 (en) * | 2016-07-21 | 2018-01-25 | 深圳市好家庭体育用品连锁经营有限公司 | Fitness machine, and oxygen generating and vaporizing system thereof |
CN106139518A (en) * | 2016-07-21 | 2016-11-23 | 深圳市好家庭体育用品连锁经营有限公司 | A kind of treadmill with oxygen atomizing functions processed |
WO2018014288A1 (en) * | 2016-07-21 | 2018-01-25 | 深圳市好家庭体育用品连锁经营有限公司 | Fitness machine, and oxygen generating and vaporizing system thereof |
CN106178398A (en) * | 2016-07-21 | 2016-12-07 | 深圳市好家庭体育用品连锁经营有限公司 | A kind of body-building apparatus and oxygen atomization system processed thereof |
WO2018014287A1 (en) * | 2016-07-21 | 2018-01-25 | 深圳市好家庭体育用品连锁经营有限公司 | Exercise treadmill with oxygen generating and vaporizing functions |
WO2018014296A1 (en) * | 2016-07-21 | 2018-01-25 | 深圳市好家庭体育用品连锁经营有限公司 | Fitness machine, and oxygen generating and vaporizing system thereof |
CN106267481A (en) * | 2016-07-21 | 2017-01-04 | 深圳市好家庭体育用品连锁经营有限公司 | Body-building apparatus and oxygen atomization system processed thereof |
CN107376089B (en) * | 2017-07-31 | 2018-06-26 | 河南亚都实业有限公司 | A kind of oxygen concentration adjustable oxygen mask |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5390666A (en) * | 1990-05-11 | 1995-02-21 | Puritan-Bennett Corporation | System and method for flow triggering of breath supported ventilation |
CN101554995A (en) * | 2009-02-26 | 2009-10-14 | 珠海市奥吉赛科技有限公司 | Energy-saving air separation oxygenerator |
CN202277594U (en) * | 2011-10-28 | 2012-06-20 | 北京神鹿腾飞医疗科技有限公司 | CPAP (Continuous Positive Airway Pressure) oxygen supply instrument with double gas sources |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010073141A1 (en) * | 2008-12-22 | 2010-07-01 | Koninklijke Philips Electronics, N.V. | Liquid oxygen production device and method |
-
2011
- 2011-10-28 CN CN201110333596.3A patent/CN102366647B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5390666A (en) * | 1990-05-11 | 1995-02-21 | Puritan-Bennett Corporation | System and method for flow triggering of breath supported ventilation |
CN101554995A (en) * | 2009-02-26 | 2009-10-14 | 珠海市奥吉赛科技有限公司 | Energy-saving air separation oxygenerator |
CN202277594U (en) * | 2011-10-28 | 2012-06-20 | 北京神鹿腾飞医疗科技有限公司 | CPAP (Continuous Positive Airway Pressure) oxygen supply instrument with double gas sources |
Non-Patent Citations (2)
Title |
---|
小型分子筛制氧机简介―一种新型医用保健供氧器;张永生等;《医疗卫生装备》;19850331(第03期);第19-20页 * |
张永生等.小型分子筛制氧机简介―一种新型医用保健供氧器.《医疗卫生装备》.1985,(第03期),第19-20页. |
Also Published As
Publication number | Publication date |
---|---|
CN102366647A (en) | 2012-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102366647B (en) | CPAP (Continuous Positive Airway Pressure) oxygen supplying instrument with double oxygen sources | |
RU2506961C2 (en) | System and method for supply and shared use of breathing gas | |
CN212973802U (en) | Multifunctional respiratory therapy system for hospital and family environment | |
CN201379872Y (en) | Respirator | |
CN202387074U (en) | Portable respirator | |
CN105517612B (en) | Anesthesia machine respiratory system and anesthesia machine | |
CN103495248A (en) | Electric extrusion device of breathing bag | |
CN104399163B (en) | Safe double-air-source mixed oxygen instrument | |
CN103191503A (en) | Pressure control device and pressure control method of respirator | |
CN103736181A (en) | Respirator | |
CN113425535A (en) | Mobile emergency oxygen therapy rehabilitation cabin | |
WO2023005207A1 (en) | Air path system and ventilator | |
CN103736182A (en) | Breathing machine | |
CN205759087U (en) | A kind of intelligent IC U assisted respirator | |
CN204275215U (en) | Novel C PAP oxygen supplying instrument | |
CN202277594U (en) | CPAP (Continuous Positive Airway Pressure) oxygen supply instrument with double gas sources | |
CN104368095B (en) | Air regulation machine | |
WO2016086347A1 (en) | Electric-powered anaesthetic respiratory apparatus | |
CN109771767B (en) | Pneumatic standby flow meter control system of anesthesia machine | |
CN204050574U (en) | A kind of two persistent levels positive pressure respirator | |
CN203458657U (en) | Air passage exhaust device and breathing machine provided with same | |
CN104274291A (en) | Emergency hood porous oxygen inhalation and exhaust device for hyperbaric oxygen chamber | |
CN205924635U (en) | Operating room waste anesthetic gas eduction gear | |
CN109621120A (en) | A kind of pipeline and Breathing Suppotion equipment with pulse oxygen inhalation and positive airway pressure function | |
CN203169768U (en) | Pressure control device of breathing machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180111 Address after: 100043 Xiyuan, Haidian District, Beijing, Beijing, North Li 13-2-301 Patentee after: Yan Hui Address before: 102447 200 meters north of the village village committee of the temple of Qinglong lake, Fangshan District, Beijing Patentee before: Beijing Shenlu Take-off Medical Technology Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20181028 |