CN2229276Y - Pure oxygen saturation medical apparatus - Google Patents
Pure oxygen saturation medical apparatus Download PDFInfo
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- CN2229276Y CN2229276Y CN 95202958 CN95202958U CN2229276Y CN 2229276 Y CN2229276 Y CN 2229276Y CN 95202958 CN95202958 CN 95202958 CN 95202958 U CN95202958 U CN 95202958U CN 2229276 Y CN2229276 Y CN 2229276Y
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Abstract
The utility model relates to a pure oxygen saturation medical apparatus, belonging to the technical field of medical equipment. The utility model is mainly composed of an oxygen cylinder, a catheter, oxygen bus bars, a stop valve, a pressure reductor, a humidifier, a pipe connector for showing pressure, an oxygen supply pipe, an expiration catheter, an exhaust trunk, and an exhaust eduction pipe. The tension force of arterial blood oxygen of human body can be enhanced by the utility model. The dissolved oxygen in blood reaches a saturation state can be realized. Various diseases can be treated by the utility model. The utility model has the functions of rehabilitation, health care, tiredness allaying, etc. The utility model has the advantages of less investment, and high safety. The utility model is an ideal medical health-care apparatus for human being.
Description
This utility model relates to a kind of medical treatment device, is the saturated medical treatment device of a kind of pure oxygen that uses under normal pressure.
Along with development of modern science and technology, many new doctor's furuncle equipment have appearred.Domestic in recent years medical domain has been extensive use of medical hyperbaric oxygen chamber, and hyperbaric oxygen medical science is to grow up on the basis of submarine medicine, and patient treats some disease and regulates the human metabolism function by breathing pure oxygen in anticyclonic environment.Hyperbaric oxygen chamber is an airtight manned pressure vessel, and volume of compartment is less per capita, and oxygen concentration is difficult to be controlled at below 25% in the cabin, because cabin internal gas pressure higher (0.16MPa), oxygen concentration then need carry out a large amount of ventilations in the cabin if need to reduce, and the compressed air consumption is very big.Because the oxygen concentration value in the oxygen cabin is higher, once the kindling material appearance is arranged, the intensity of a fire will draw out rapidly in the cabin; Hatch door on the oxygen cabin is swing-in, and hatch door just can be opened when the cabin internal pressure will drop near atmospheric pressure; If on fire in the oxygen cabin, personnel are difficult to escape in the cabin.
Usually normal flow formula nostril intubate oxygen inhalation mode or hood type oxygen inhalation mode under the normal pressure adopted in hospital clinical treatment.These two kinds of oxygen inhalation modes are free flow-type, and the oxygen consumption is big, and useless oxygen comes indoorly, and safety factors is lower.
This utility model---the saturated medical treatment device of pure oxygen, its effect is identical with medical hyperbaric oxygen chamber substantially, and principal character is as follows:
1, both are with different equipment treatment ischemic hypoxia diseases.The saturated medical treatment of pure oxygen is except that should not treating decompression sickness, pulmonary barotrauma, and other indication includes the indication of hyperbaric oxygentherapy; Hyperbaric oxygentherapy is except that should not treating pneumothorax, epilepsy, serious lungs infection etc., and other indication includes the indication of the saturated treatment of pure oxygen.
2, the saturated doctor's furuncle of pure oxygen is defined as: in the regular hour, by inhaling pure oxygen, make oxygen be dissolved in each histoorgan of human body.Hyperbaric oxygentherapy is defined as: inhale pure oxygen in being higher than an atmospheric environment.Both differences are; The former can utilize oxygen time to reach the purpose for the treatment of disease according to the state of an illness neatly, and the latter can utilize oxygen uptake under the different pressure environments neatly according to the state of an illness, reaches the purpose of treatment disease.In pressure environment oxygen uptake with under normal pressure in the certain time oxygen uptake all can improve human tissue organ's anoxia.
3, the pressure of hyperbaric oxygentherapy is generally 0.1～0.16MPa (meter pressure), and oxygen time is generally 60 minutes.The saturated treatment of pure oxygen is oxygen uptake under normal pressure, and oxygen time is 90～120 minutes, if in conjunction with adopting CO
2-O
2Mixing treatment, its treatment time can shorten about 1/2.
4, during hyperbaric oxygentherapy, the content of human body blood oxygen is than surplus the oxygen content of human body improves 20 during breathe air under the normal pressure times; During the saturated treatment of pure oxygen, the oxygen content of human body than under the normal pressure during breathe air oxygen content of human body improve 7 times.Both all can promptly remove the anaerobic condition of human body anoxia tissue; When treatment finished, the oxygen content of its oxygen-starved tissue, oxygen storage capacity and utilization all can continue the regular hour, and the time that the latter continued is longer.
5, hyperbaric oxygentherapy is because the ambient pressure superelevation promptly easily causes the generation of oxygen intoxication in the short period of time.During the saturated treatment of pure oxygen, just surpass 24 hours and just oxygen intoxication might take place in oxygen uptake continuously.
6, hyperbaric oxygentherapy equipment and civil engineering costs need 100～2,400,000 yuan approximately, and expenses such as saturated therapy equipment of the pure oxygen of identical scale and the transformation of corresponding room only need 10～200,000 yuan, and the economic benefit of the saturated treatment of pure oxygen improves more than 1 times than the economic benefit of hyperbaric oxygentherapy.
7, the fire prevention conditional request of hyperbaric oxygentherapy is high, in the oxygen cabin in case on firely be difficult to put out a fire to save life and property, personnel are difficult to escape in the cabin.The fire prevention conditional request of the saturated treatment of pure oxygen is also very high, but is convenient to after catching fire put out a fire to save life and property, escapes easily.Safety, the reliability of the saturated treatment of pure oxygen are better than hyperbaric oxygentherapy.
8, ambient pressure height in the hyperbaric oxygentherapy cabin, volume of compartment is little per capita, the oxygen concentration value in the cabin raises very fast, if will reduce the pure and fresh degree of environmental air in the oxygen concentration value and raising cabin in the cabin in, need expend a large amount of compressed airs and come ventilation.The saturated treatment expiratory resistance of pure oxygen is little and oxygen exhauster is difficult leaks; The therapeutic room space is big, and indoor oxygen concentration value is difficult to increase, and ventilation is also as easy as rolling off a log to be carried out.
9, hyperbaric oxygentherapy is unsuitable for patients such as flu, pneumothorax, epilepsy, sinusitis, and the saturated treatment of pure oxygen allows.Tympanum windage, oxygen intoxication, fire etc. are that hyperbaric oxygentherapy needs the strictly accident of strick precaution, and there is not the generation of these accidents in the full treatment of pure oxygen.
10, hyperbaric oxygentherapy has its limitation, is difficult for the rescue to the critical patient, because all multifactor influences also have very big difficulty to the observation of vital signs such as hear sounds, blood pressure, breathing with handling.The saturated treatment of pure oxygen is not subjected to the influence of factors such as the change of ambient pressure and electrical equipment, and various facilities can be complete, neither influence operation, and also impact effect not, its various emergency measures and operation sequence all are equal to routine clinical requirement.
11, critical patient carries out hyperbaric oxygen and controls furuncle, need the higher and physical qualification of clinical level preferably medical personnel under hyperbaric environment, carry out the diagnosis and treatment and the work of accompanying and attending to.The saturated treatment of pure oxygen can be carried out the necessary consultation of doctors or treatment at any time, does not have the requirement on the physical qualification.
Purpose of the present invention is exactly to propose the saturated medical treatment device of pure oxygen that a kind of normal pressure uses down.It by inhale with breathing mask, deoxygenation, and the oxygen that will give up drains into exhaustor and causes outdoor.Having solved hyperbaric oxygen controls the conventional oxygen uptake of some problem and hospital that furuncle the exists oxygen that will give up and drains into unsafe problems and therapeutic effect problems such as indoor.
The technology implementation scheme that this utility model proposed is as follows: hold what of oxygen uptake personnel according to what and therapeutic room of therapeutic room, determine the quantity of source of oxygen-oxygen cylinder (1).Work oxygen uptake number is about 10 man-hours, and 5 bottles of oxygen can be set; If the oxygen uptake number is about 20 man-hours, 10 bottles of oxygen can be set.Oxygen cylinder is connected with oxygen bus-bar (4) by back-shaped conduit (2).All establish on oxygen cylinder and the oxygen bus-bar angle stop valves (5) with control oxygen unlatching or close.Pressure in the oxygen cylinder is generally 15MPa, its outfan is provided with one-level decompressor (6) and second depressurized device (7), the pressure of output oxygen is dropped to about 0.4MPa, and the front and back of decompressor are provided with stop valve (5), and control is exported the unlatching of oxygen or closed and change the usefulness of decompressor.Oxygen enters by connecting pipe (8), humidifier (12) and shows aluminium hydraulic pressed connecting pipe device (13); Post-decompression oxygen also can directly enter by bypass duct and show aluminium hydraulic pressed connecting pipe device (13); On bypass duct, be provided with O
2-CO
2The mist interface.Show that aluminium hydraulic pressed connecting pipe device (13) is provided with threeway plug valve (11), Pressure gauge (10) and foam cock (14).Above-mentioned various device all is arranged in the oxygen room with reliable fire prevention measure.
The oxygen that enters therapeutic room is connected with showing the aluminium hydraulic pressed connecting pipe device by oxygen supply pipe (15) and by-pass valve control.Oxygen supply isocon (16) is decided on the concrete condition of therapeutic room, and 4 or 6 oxygen supply conduits (27) should be set on every oxygen supply isocon.The spacing of oxygen supply conduit on the oxygen supply isocon: the sitting posture oxygen uptake should be 0.7～0.9m; Horizontal oxygen uptake should be 1.1～1.3m.Oxygen supply pipe (15) turns on the middle part of oxygen supply isocon (16), can make oxygen supply isocon two ends oxygen supply abundance.Oxygen supply pipe (15) and oxygen supply isocon (16) are laid on the wall of therapeutic room.
Breathing mask (18), Y shape flap valve clack box (19) and breathing regulator (26) are by corrugated flexible hose (20) and thread seal joint and oxygen supply conduit (27) connection.Y shape flap valve clack box (19) has an end of flap valve valve to connect by the expiration conduit (21) on corrugated flexible hose (20) and thread seal joint and the aerofluxus manifold trunk (22).
Expiration conduit (21) is identical with the spacing of oxygen supply conduit (27) on oxygen supply isocon (16) in the spacing on the aerofluxus manifold trunk (22).The middle and lower part of aerofluxus manifold trunk (22) connects aerofluxus fairlead (24); Aerofluxus manifold trunk and aerofluxus fairlead are laid on the wall of therapeutic room; The aerofluxus fairlead can pass to outdoor separately, also can collect in exhaust main (29) and go up and pass to outdoor.Exhaust main (29) is provided with discharging valve (28), explosion-proof air-introduced machine (30) and rain cover (31), and aerofluxus and useless oxygen are discharged in the outside atmosphere.
The saturated medical treatment device of pure oxygen is characterised in that oxygen uptake under the normal pressure and is discharged to the gas of breathing out outdoor.Deoxygenation manifold trunk (22) is the rectangle pipe made from galvanized iron sheet, and its middle part, front side is provided with vacuum table pipe joint, threeway plug valve (11) and membrane type vacuum table (23); The two ends of aerofluxus manifold trunk are connected to aerofluxus baffle-box (25) and throttling control valve (17).The outlet absolute altitude of exhaust main (29) will exceed 3m than the center absolute altitude of indoor exhaust manifold trunk; Height should be omited in the two ends of aerofluxus manifold trunk, and aerofluxus fairlead (24) end should be lower slightly, and its gradient is 3/1000～5/1000; Be provided with discharging valve (28) at the end of aerofluxus manifold trunk or the lowest part of exhaust main, be beneficial to discharge catchmenting in the gas extraction system.The sectional area of aerofluxus manifold trunk (22), aerofluxus fairlead (24) and exhaust main supplies the oxygen uptake number to decide on this device.Axle induced-draft fan on the deoxygenation house steward (30) per minute air inducing amount is about 2 times of oxygen uptake number expiration amount, its blast is enough to overcome the resistance of exhaust main and aerofluxus fairlead, the numerical value that the set vacuum table (23) in aerofluxus manifold trunk middle part is shown is-20～-50Pa, to reduce expiratory resistance, the useless oxygen in preventing to exhale is discharged to indoor.The effect of the aerofluxus baffle-box at aerofluxus manifold trunk (22) two ends is: when the oxygen uptake personnel exhale simultaneously, certain pooling feature can be arranged and reduce expiratory resistance.The choke valve that is provided with on the slow case of aerofluxus is connected therapeutic room's air, by adjusting the size that choke valve is opened, air certain in the therapeutic room is drained in the outside atmosphere by gas extraction system; The size that choke valve (17) is opened can be adjusted the numerical value on the membrane type vacuum table (23) on the aerofluxus manifold trunk (22).
Advantage and the good effect that the utlity model has are as follows: first, face shield is inhaled, the mode of deoxygenation because this utility model has been taked to utilize under the normal pressure, and the useless oxygen in the aerofluxus is discharged in the outside atmosphere by concentrated areas such as aerofluxus manifold trunks, reduced the oxygen concentration value in exhaust resistance and the therapeutic room, helped the oxygen uptake effect and prevent disaster hidden-trouble; The second, the therapeutic room space is big, environment good, and the patient does not enter the fear of hyperbaric oxygen chamber, helps monitoring and the treatment of medical personnel to the patient; The 3rd, control the indoor fire-retardant and anlistatig material of furuncle and decorate, have electric security performance and flameproof protection facility, put out a fire to save life and property easily in case catch fire, the patient flees from easily.
Description of drawings of the present utility model is as follows:
Fig. 1 is structural representation of the present utility model (principle) figure.
Fig. 2 is exhaust apparatus figure.
Fig. 3 is the A-A cutaway view of exhaust apparatus.
Below with embodiment this utility model is further elaborated:
Embodiment 1: with reference to the pure oxygen saturated therapy equipment of accompanying drawing 1,2,3 one covers for 10 people's oxygen uptakes.Source of oxygen shows that by 5 bottles of oxygen (1), 5 back-shaped conduits (2), 1 oxygen bus-bar (4), 5 angle shut-off valves (3), 2 stop valves (5), 1 one-level oxygen pressure reducer (6), 1 secondary oxygen pressure reducer (7), red copper connecting duct (8), 1 humidifier (12) and 1 aluminium hydraulic pressed connecting pipe device (13) etc. forms, and is placed near the oxygen room of controlling the furuncle chamber.The oxygen room needs 3 * 2=6m
2About, room ventilation, fire prevention and radiator are complete, and wall and ceiling brushing fireproof paint, mattess, aluminium alloy glass door and window, connecting line should connect the anti-static grounding facility on (8).The oxygen supply pipe passes wall and leads to and control in the furuncle chamber.
Control furuncle chamber 6 * 5=30m
2About, room ventilation, fire prevention and air conditioner facility are complete, wall and ceiling brushing fireproof paint or decorate with fire proofing; Lighting installs the glass protecting cover additional, and power lug is Type of Welding.The power for illumination switch is located at the next door of exterior door; Aluminum alloy doors and windows, door are for having two windows on external-open pattern, the exterior wall.Oxygen supply isocon (16) and aerofluxus manifold trunk (22) lay along the wall of therapeutic room both sides, and the aerofluxus manifold trunk is below the oxygen supply isocon.6 expiration conduits (21) or oxygen supply conduit (27) are set respectively on right side aerofluxus manifold trunk and the oxygen supply isocon, and the spacing between the conduit is 0.8m, and the length of right side oxygen supply isocon is 4.8m; The length of right side aerofluxus manifold trunk is 4.8m, adds that its total length of aerofluxus baffle-box (25) at aerofluxus manifold trunk two ends is 5.8m.The top of aerofluxus baffle-box is provided with choke valve (17).Front at every oxygen supply conduit (27) and expiration conduit (21) is provided with sofa, sofa centrage and the line dislocation 0.4m of catheter center, and the width of every sofa is 0.8m, sofa has comfortable anti-combustion and antistatic property.The next door of every sofa is provided with the breathing mask case, and breathing mask (18) is connected threeway flap valve clack box (19) by corrugated tube (20); Threeway flap valve clack box does not have flap valve valve interface and joins by corrugated flexible hose and breathing regulator (26); Breathing regulator is connected by corrugated flexible hose and oxygen supply conduit.Threeway flap valve clack box has flap valve valve interface, connects by corrugated flexible hose and expiration conduit.
On left side aerofluxus manifold trunk (22) and the oxygen supply isocon (16) 4 expiration conduits (21) or oxygen supply conduit (27) are set respectively, spacing between the conduit is 1.2m, the length of left side oxygen supply isocon and aerofluxus manifold trunk is 4.2m, aerofluxus manifold trunk in left side adds the aerofluxus baffle-box (25) at two ends, and its total length is 5m.The top of aerofluxus baffle-box is provided with choke valve (17).Front at every oxygen supply conduit (27) and expiration conduit (21) is provided with bed, the centrage of bed and the line dislocation 0.6m of catheter center, and the width of every bed is 0.9m.The same sofa that requires to bed.Setting and the same right side of connection situation for breathing mask (18) etc.
Connect with oxygen supply pipe (15) above oxygen supply isocon (16) is intermediary.Intermediary following and the aerofluxus fairlead (24) of aerofluxus manifold trunk (22) are connected.Be equipped with a stop valve on the left and right side oxygen supply pipe.Oxygen supply pipe (15), aerofluxus fairlead (24) all lay along wall.Each section oxygen supply pipe joint is to connect with flat shoulder nipple, gasket material between flange is a politef, type of attachment between aerofluxus manifold trunk (22) and aerofluxus baffle-box (25), the aerofluxus fairlead (24) is the flange mode, and the sealing gasket between the flange is a rubber asbestos plate.The exterior wall that exhaust main (29) passes therapeutic room is connected with flange with the aerofluxus fairlead, and the sectional area of exhaust main equals left and right sides aerofluxus fairlead sectional area sum.Exhaust main is higher than aerofluxus fairlead 3m vertically upward, and the 0.5m place, upper end of exhaust main is provided with axle induced-draft fan (30), and air-introduced machine and exhaust main link together with flange; The upper end of exhaust main is provided with rain cover (31), prevents to rain to enter exhaust main.
In pure oxygen saturation device when work,, the oxygen uptake personnel are with breathing mask (18) oxygen uptake, expiration on the sofa of therapeutic room or bed, the gas of breathing out is drained into aerofluxus manifold trunk (22) and draws outdoor.Oxygen concentration in the therapeutic room can be controlled at below 23%, if the oxygen concentration value surpasses 23% in the therapeutic room, the oxygen concentration monitor and the acoustic-optic alarm that are located in the therapeutic room can send the sound and light alarm signal, and the nursing staff opened the exhaust fan be located at the therapeutic room bottom and suitably took a breath and get final product this moment.Solved under the normal pressure conventional oxygen uptake and the gas of breathing out has been discharged to indoor, made the indoor oxygen concentration value increase the hidden danger of possible breaking out of fire accident.
Embodiment 2: for 4 people breath is discharged outdoor aerofluxus manifold trunk (22), aerofluxus baffle-box (25) and aerofluxus fairlead (24) etc. with reference to accompanying drawing 2,3, one covers.The aerofluxus manifold trunk is formed by galvanized sheet weldering system, and length is that 4.2m, cross section are 150 * 40 (mm); Uniform 4 the expiration conduits in front side (21) that compile bobbin carriage, the air vent of this conduit and breathing mask is by being threaded: compile middle part, bobbin carriage front side and be provided with the vacuum table pipe joint, by threeway plug valve that is threaded (11) and membrane type vacuum table (23); There is flange at the two ends of compiling bobbin carriage, join with screw and aerofluxus baffle-box (25); It is the base of 150 * 40 (mm) that there is a sectional area middle and lower part of compiling bobbin carriage, and the bottom of base is provided with flange, joins with screw and aerofluxus fairlead (24).The rubber asbestos pad is all arranged between each adpting flange, pipeline is not tightly leaked.
Aerofluxus baffle-box (25) is the L type, forms with galvanized sheet weldering system, and the upper end is provided with the base of DN25 and joins with choke valve.
Aerofluxus manifold trunk (24) is made up of two 90 ° of elbows and two sections straight tubes, is formed by galvanized sheet weldering system, and each pipe end is provided with flange, and rubber asbestos seal pad is arranged between the flange, and each part all connects by screw.
The aerofluxus fairlead that the terminal of aerofluxus manifold trunk has T type to take over respectively with exhaust main (29) and opposite side joins.
Invent the purpose of this exhaust apparatus: the first, be the gas (containing the oxygen more than 90%) that will breathe out, drain into outdoorly, indoor oxygen concentration is remained on below 23%.Remove disaster hidden-trouble: the second, be to reduce expiratory resistance, the numerical value that makes membrane type vacuum table (23) by control throttling control valve (17)-20～-50Pa between.
Claims (9)
1, the saturated medical treatment device of a kind of pure oxygen is made up of oxygen cylinder and conduit, it is characterized in that; Oxygen cylinder (1) is connected with oxygen bus-bar (4) by back-shaped conduit (2), its outfan is provided with two stop valves (5), be equipped with one-level decompressor (6) and second depressurized device (7) between two valves, be equipped with angle shut-off valve (3) on each oxygen cylinder, one end of red copper pipeline (8) is connected with stop valve, the other end is divided into two-way, and the humidifier (12) of leading up to is communicated with showing aluminium hydraulic pressed connecting pipe device (13), another road by conduit directly with show that aluminium hydraulic pressed connecting pipe device (13) is connected; One end of oxygen supply pipe (15) is connected with the outfan that shows the aluminium hydraulic pressed connecting pipe device, the other end of pipe is connected with oxygen supply isocon (16) middle part, several oxygen supply conduits (27) are set on every isocon, one end of corrugated flexible hose (20) is connected with the oxygen supply conduit by the thread seal joint, the other end and the expiration conduit (21) that is located on the aerofluxus manifold trunk (22) are connected, and the middle and lower part of aerofluxus manifold trunk (22) connects aerofluxus fairlead (24).
2, medical treatment device according to claim 1 is characterized in that: show that aluminium hydraulic pressed connecting pipe device (13) is provided with threeway plug valve (11), Pressure gauge (10), the bottom is equipped with foam cock (14).
3, medical treatment device according to claim 1, it is characterized in that: breathing mask (18) is connected threeway flap valve clack box (19) by corrugated tube (20), this case does not have flap valve valve interface end and joins by corrugated flexible hose and breathing regulator (26), and it has flap valve valve interface end to connect by corrugated flexible hose and expiration conduit.
4, medical treatment device according to claim 1 is characterized in that: the two ends of aerofluxus manifold trunk (22) are equipped with aerofluxus baffle-box (25), and case is provided with choke valve (17).
5, according to claim 1 or 4 described medical treatment devices, it is characterized in that: the rectangle pipe that the aerofluxus manifold trunk adopts galvanized iron sheet to make.
6, medical treatment device according to claim 1 is characterized in that: the aerofluxus fairlead can be connected with exhaust main (29).
7, according to claim 1 or 6 described medical treatment devices, it is characterized in that: exhaust main (29) is provided with discharging valve (28), explosion-proof air-introduced machine (30) and rain cover (31).
8, medical treatment device according to claim 1 is characterized in that: middle part, manifold trunk front side is provided with the vacuum table pipe joint, by threeway plug valve that is threaded (11) and membrane type vacuum table (23).
9, according to claim 1 or 4 described medical treatment devices, it is characterized in that: aerofluxus baffle-box (25) is the L type, and the upper end is provided with the base of DN25, and casing adopts the galvanized sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95202958 CN2229276Y (en) | 1995-02-13 | 1995-02-13 | Pure oxygen saturation medical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95202958 CN2229276Y (en) | 1995-02-13 | 1995-02-13 | Pure oxygen saturation medical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2229276Y true CN2229276Y (en) | 1996-06-19 |
Family
ID=33855965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95202958 Expired - Fee Related CN2229276Y (en) | 1995-02-13 | 1995-02-13 | Pure oxygen saturation medical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2229276Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679143A (en) * | 2012-04-23 | 2012-09-19 | 江苏亚洲气体设备有限公司 | Double-row mixed gas filling device |
| CN102679153A (en) * | 2012-04-23 | 2012-09-19 | 江苏亚洲气体设备有限公司 | Gas bus-bar |
| CN111544723A (en) * | 2020-06-20 | 2020-08-18 | 李刚强 | Special automatic oxygen supply device for emergency department nursing |
| WO2021223578A1 (en) * | 2020-05-06 | 2021-11-11 | 中国船舶科学研究中心 | Totally-closed breathing system for long-time use by manned submersible passengers |
-
1995
- 1995-02-13 CN CN 95202958 patent/CN2229276Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679143A (en) * | 2012-04-23 | 2012-09-19 | 江苏亚洲气体设备有限公司 | Double-row mixed gas filling device |
| CN102679153A (en) * | 2012-04-23 | 2012-09-19 | 江苏亚洲气体设备有限公司 | Gas bus-bar |
| WO2021223578A1 (en) * | 2020-05-06 | 2021-11-11 | 中国船舶科学研究中心 | Totally-closed breathing system for long-time use by manned submersible passengers |
| CN111544723A (en) * | 2020-06-20 | 2020-08-18 | 李刚强 | Special automatic oxygen supply device for emergency department nursing |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |