CN203001269U - Uninterruptible oxygen producing and supplying system of emergency ambulance - Google Patents
Uninterruptible oxygen producing and supplying system of emergency ambulance Download PDFInfo
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- CN203001269U CN203001269U CN 201220560591 CN201220560591U CN203001269U CN 203001269 U CN203001269 U CN 203001269U CN 201220560591 CN201220560591 CN 201220560591 CN 201220560591 U CN201220560591 U CN 201220560591U CN 203001269 U CN203001269 U CN 203001269U
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Abstract
The utility model discloses an uninterruptible oxygen producing and supplying system of an emergency ambulance. The uninterruptible oxygen manufacturing and supplying system comprises an oxygen producing unit, an oxygen compressing unit and an oxygen filling and supplying platform, wherein the oxygen producing unit, the oxygen compressing unit and the oxygen filling and supplying platform are connected in sequence, and a master control unit respectively controls the oxygen producing unit, the oxygen compressing unit and the oxygen filling and supplying platform; an oxygenerator, an oxygen buffering tank and an oxygen sensor are connected in sequence through pipelines to constitute the oxygen producing unit; a driving pump, an oxygen compressor and a pressure sensor are connected in sequence through pipelines to constitute the oxygen compressing unit; the oxygen filling and supplying platform is composed of a filling branch and an oxygen supplying branch; a touch screen is combined with a programmable logic controller (PLC) to constitute the master control unit, and the PLC collects the oxygen sensor of the oxygen producing unit, collects a filing pressure sensor installed at the compressed oxygen outlet of the oxygen compressing unit, collects an inlet air pressure sensor inside the oxygen filling and supplying platform, and controls a normally-opened electromagnetic valve in an oxygen supplying pipeline. The uninterruptible oxygen producing and supplying system achieves moving uninterruptible oxygen producing and supplying system of the emergency ambulance, improves long-distance transshipment capacity of the emergency ambulance, and is reasonable in process and stable in performance.
Description
Technical field
This utility model relates to oxygen preparation and oxygen Canning Technique field, more particularly, relates in the uninterrupted supply of vehicle-mounted oxygen cylinder oxygen source of a kind of emergency tender and car oxygen source and supplies with the equipment of controlling.
Background technology
The emergency tender is the important transportation instrument of wounded's transhipment, long-distance transhipment between medical first aid, hospital, and in car, can oxygen effective supply be the key of successfully giving treatment to the wounded.At present, the oxygen supply equipment that various ambulance vehicles are equipped with is generally 2 10L oxygen cylinders, because vehicle-mounted oxygen cylinder oxygen storage capacity is limited, makes the long-distance transporting patient ability of ambulance be very limited.Usually occur to cause malpractice because oxygen-supplying amount is not enough in long-distance transhipment, caused unnecessary casualties.Therefore, in order to increase oxygen supply time, often adopting in long-distance transhipment in ambulance increases high-pressure oxygen cylinder and carries quantity or increase specially a fortune oxygen vehicle, to reach the purpose that increases the oxygen supportability.The problem that exists is: 1) increase oxygen cylinder and carry quantity in ambulance, take the limited usage space of ambulance, easily have influence on patient's ambulance vehicles up and down, sometimes even have influence on medical personnel and carry out emergency treatment; 2) there is potential safety hazard in the high-pressure oxygen cylinder transportation.In addition; existing ambulance oxygen cylinder oxygen source replenishes and relies on replacing oxygen cylinder mode to realize, except increasing medical personnel's labor intensity, and also may be because medical personnel in time change the reasons such as oxygen cylinder; cause ambulance " oxygen crisis " to occur in rescue on the way, cause unnecessary malpractice.Therefore, how to make the ambulance vehicles oxygen source realize that uninterrupted supply has become the primary study direction of novel ambulance research and development.
Domestic ambulance vehicles oxygen source generally adopts the oxygen cylinder supply, and the Caire company of the U.S. is designed with the EMS liquid oxygen system as the oxygen source on emergency tender, maximum can be the emergency tender 21.6L liquid oxygen is provided, and is equivalent to the 17780L gaseous oxygen, has effectively extended the ability of the long-distance transhipment in emergency tender.The problem that this system exists is: 1) to existing ambulance vehicles repacking difficulty; 2) the liquid oxygen supply is difficult in transit; 3) there is vapo(u)rability during the daily storage of liquid oxygen, easily causes waste.
Chinese patent 200420054726.5 has been introduced a kind of vehicle-mounted variable pressure adsorption oxygen-preparation device that adopts compressor pump and vacuum pump oxygen producing, the oxygen of producing not only can be used for the normal oxygen expenditure of passenger in car, can also be with remaining oxygen diffuse to car, after in car, oxygen content reaches finite concentration, namely present oxygen bar's effect, improve the comfort level that gets by bus, this oxygenerator improves oxygen concentration in the space, be suitable for improving breathing environment, can't satisfy medical first aid oxygen demand.Chinese patent 200820087034.9 has been introduced a kind of oxygen compressor that adopts oxygen collecting device, belong to large-scale independently industrial pressure oxygen device, and volume is large, is not suitable for integrated with vehicle-mounted superzapping oxygen.Chinese patent 03209598.8 is introduced a kind of Vehicular oxygen-making machine, utilize the DC/AC inverter to change the low pressure 12V dc source of motor vehicles into high-voltage ac power, drive Vehicular oxygen-making machine, this oxygenerator product oxygen flow is little, pressure is low, do not have the oxygen of pressure and fill a bottle function, be used for common vehicle occupant uses that keep healthy, be not suitable for emergency tender patient use.Chinese patent 200420002875.7 is introduced a kind of vehicle-mounted variable pressure adsorption oxygen-preparation machine, be the 220V alternating current power supply by inverter with vehicle-mounted 12V and 24V power source transition, this oxygenerator does not have yet presses oxygen to fill a bottle function, is only suitable for common vehicle occupant uses that keep healthy, and is not suitable for emergency tender patient use.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency that the vehicle-mounted oxygen source safeguards system in existing emergency tender exists, the oxygen system processed that provides a kind of suitable ambulance vehicles to install and use.
The purpose of this utility model is achieved through the following technical solutions:
A kind of emergency tender oxygen system processed, described system comprises successively the oxygen unit that connects, presses oxygen unit and oxygen to fill for platform, and main control unit is controlled respectively the oxygen unit, is pressed oxygen unit and oxygen to fill for platform; Described oxygen unit is connected to form by pipeline successively by oxygenerator, oxygen surge tank and oxygen sensor, described pressure oxygen unit by driving pump, press oxygen machine and pressure transducer to connect to form successively by pipeline; Described oxygen fills for platform and is comprised of filling branch road and oxygen supply branch road, described filling branch road comprises breather check valve, air inlet pressure sensor and the relief valve that connects successively, relief valve connects respectively the first filling path and the second filling path by pipeline, described first, second filling path connects respectively first, second oxygen cylinder path, described filling path is comprised of the pneumatic operated valve that connects successively and filling oxygen check valve, and described oxygen cylinder path is comprised of the bottle oxygen pressure transducer, hand-operated valve and the oxygen cylinder that connect successively; Described oxygen supply branch road comprises the first ventilation channel and the second ventilation channel, described ventilation channel comprises air relief valve and the electromagnetic valve that connects successively, two air relief valve connect respectively corresponding bottle oxygen pressure transducer, two hand-operated valve electromagnetic valves connect respectively the oxygen supply pressure transducer, and the oxygen supply pressure transducer connects the oxygen bus-bar; Described main control unit adopts Touch Screen programmable controller (PLC) to form, programmable controller is by gathering the oxygen sensor of oxygen unit, identification oxygen flow and concentration information are realized product oxygen condition and the process of oxygenerator are carried out Real-Time Monitoring; Programmable controller is pressed the filling pressure transducer of oxygen unit pressure oxygen exit setting and fills for the air inlet pressure sensor in platform by collection, to pressing oxygen and filling bottle pressure and carry out Real-Time Monitoring, realizes the filling security control; Programmable controller is realized the output control of bottle oxygen by the switching of controlling the normally open solenoid valve on ventilation channel.
Oxygenerator adopts the pressure swing adsorption technique oxygen producing, and oxygen yield is 2～5L/min; Oxygen sensor adopts excusing from death ripple oxygen sensor, can realize oxygen concentration and oxygen flow measuring ability.
Described main control unit adopts Touch Screen programmable controller (PLC) design, uses the good human-computer interaction function of touch screen, has realized real-time demonstration and the anoxia alarm of bottle oxygen oxygen amount, guarantees the sufficient oxygen responding on emergency tender.Simultaneously, the man machine interface touch screen of main control unit is display bottle oxygen oxygen amount in real time, understands oxygen amount information to facilitate medical personnel, provides the anoxia prompt functions.In addition, also be designed with oxygen technique dynamic flow, oxygen concentration, the real-time Presentation Function of flow, and multinomial alert detecting function arranged, as low pressure alarming, alarm for high voltage, power alarm, switching overtime report to the police, hypoxia is reported to the police, filling is overtime etc., be provided with simultaneously trendgram, can show historical data information.
This utility model system is fit to the vehicle-mounted installation in emergency tender, powered by vehicle power, by the pressure swing absorption process oxygen producing, and automatic monitoring oxygen determination gas cylinder oxygen amount, the oxygen filling at any time of completing vehicle-mounted oxygen cylinder replenishes, make vehicle-mounted oxygen cylinder need not to change, guaranteed that the oxygen of ambulance vehicles is uninterruptedly supplied.Simultaneously, this system also possesses vehicle-mounted oxygen supply control function.
This utility model has been realized the uninterruptedly oxygen supply processed of movement of ambulance vehicles, improved the long-distance turn-over capacity on emergency tender, have advantages of technique rationally, stable performance, safe and reliable, intelligent control, operation interface hommization, easy to use, volume is little, lightweight etc.The utlity model has following beneficial effect:
1, the emergency tender superzapping oxygen system of this utility model design by the amount of oxygen of monitoring car oxygen carrier bottle, realizes oxygen and presses oxygen to fill a bottle automatization, completes the timely supply of vehicle-mounted bottle oxygen, has guaranteed the uninterrupted supply of vehicle-mounted oxygen source.
2, main control unit adopts PLC in conjunction with touch screen design, and control performance is stable, beautiful human computer interface, and the functions such as the demonstration of oxygen bottle oxygen amount real-time online and anoxia alarm make medical personnel intuitively understand oxygen source information, guarantee Herba Plantaginis vehicle oxygen source sufficient.System adopts operating in a key, is simple and easy to use.
3, the uninterrupted supply of vehicle-mounted oxygen source has been guaranteed in the automatic filling of vehicle-mounted oxygen cylinder design, makes vehicle-mounted oxygen bottle need not to change, and has reduced medical personnel's labor intensity, has avoided simultaneously answering the oxygen bottle in time not change, and causes the possibility of malpractice.
4, oxygen, pressure oxygen, oxygen supply integrated design and the design of pressure oxygen nuclear interface standardizing, suitable emergency tender is installed and used; Vehicle-mounted transformation, installation, simple and convenient.
5, filling circuit design has check valve, relief valve, pneumatic operated valve, hand-operated valve, pressure transducer etc., guarantees filling safety.
6, the normally open solenoid valve design is adopted in the ventilation channel design, guarantees under power loss condition, and vehicle-mounted oxygen cylinder can effectively be exported supply.
Description of drawings
Fig. 1 is oxygen supply process flow diagram processed of the present utility model;
Fig. 2 is that oxygen of the present utility model fills for the platform technology schematic flow sheet.
number in the figure: 1-oxygen cylinder 2#, 2-oxygen bus-bar, 3-presses the oxygen machine, the 4-driving pump, 5 press the oxygen unit, 6-oxygen unit, 7 oxygen surge tanks, the 8-oxygenerator, the 9-oxygen sensor, the 10-main control unit, 11-filling pressure transducer, 12-oxygen fills for platform, 13-oxygen cylinder 1#, 14-hand-operated valve 2#, 15-bottle oxygen pressure transducer 2#, 16-air relief valve 2#, 17-air relief valve 1#, 18-electromagnetic valve 2#, 19-electromagnetic valve 1#, 20-oxygen supply pressure transducer, the 21-breather check valve, the 22-air inlet pressure sensor, the 23-relief valve, 24-pneumatic operated valve 2#, 25-pneumatic operated valve 1#, 26-check valve 2#, 27-check valve 3#, 28-oxygen supply branch road, 29-filling branch road, 30-bottle oxygen pressure transducer 1#, 31-hand-operated valve 1#.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is done further detailed description.
This utility model emergency tender oxygen system processed by oxygen unit 6, press oxygen unit 5, main control unit 10, oxygen to fill for platform 12 etc. to form.It is characterized in that, main control unit 10 is by monitoring oxygen cylinder 1,13 oxygen amount, controls oxygen unit 6 and presses oxygen unit 5 to start, and fills filling branch road 29 for platform 12 by oxygen, realizes oxygen cylinder 1,13 automatic filling; Simultaneously main control unit 10 fills oxygen supply branch road 28 for platform 12 by oxygen, and controlled oxygen gas cylinder 1,13 output realize vehicle-mounted oxygen supply.
Described oxygen unit 6 comprises that oxygenerator 8, oxygen surge tank 7, oxygen sensor 9 form, and oxygenerator 8 adopts the pressure swing adsorption technique oxygen producing, and oxygen yield is 2～5L/min; Oxygen sensor 9 adopts excusing from death ripple oxygen sensor, can realize oxygen concentration and oxygen flow measuring ability.
Described pressure oxygen unit 5 is comprised of driving pump 4, pressure oxygen machine 3, filling pressure transducer 11, has configured oxygen surge tank 7 at the inlet end of pressing oxygen machine 3, the impact of pressing the 3 discontinuous air inlets of oxygen machine that the oxygen uptake interface is caused when pressing oxygen to reduce; Press oxygen machine 3 to adopt piston compression, more than outlet pressure can reach 13MPa, dispose filling pressure transducer 11 at the delivery outlet of pressing oxygen machine 3, a check valve 1#21 is installed afterwards, the backflow of oxygen when preventing from pressing oxygen.
Described main control unit 10 adopts Touch Screen programmable controllers (PLC) design, use the good human-computer interaction function of touch screen, has realized real-time demonstration and the anoxia alarm of oxygen cylinder 1,13 oxygen amounts, guarantees the sufficient oxygen responding on emergency tender.Main control unit 10 is by gathering the oxygen sensor 9 of oxygen unit 6, and identification oxygen flow and concentration information are realized product oxygen condition and the process of oxygenerator 8 are carried out Real-Time Monitoring; Main control unit 10 presses oxygen unit 5 to press filling pressure transducer 11 and the oxygen that the oxygen exit arranges to fill for the bottle oxygen pressure transducer 15,30 in platform 12 by collection, to pressing oxygen and filling bottle pressure and carry out Real-Time Monitoring, realizes the filling security control; Main control unit 10 realizes that by the switching of controlling the normally open solenoid valve 18,19 on oxygen supply branch road 28 oxygen cylinder 1,13 output controls.Simultaneously, the man machine interface touch screen of main control unit 10 can show oxygen cylinder 1,13 oxygen amounts in real time, understands oxygen amount information to facilitate medical personnel, provides the anoxia prompt functions.In addition, also be designed with oxygen technique dynamic flow, oxygen concentration, the real-time Presentation Function of flow, and multinomial alert detecting function arranged, as low pressure alarming, alarm for high voltage, power alarm, switching overtime report to the police, hypoxia is reported to the police, filling is overtime etc., be provided with simultaneously trendgram, can show historical data information.
Described oxygen fills for platform 12 and mainly is comprised of filling branch road 29 and oxygen supply branch road 28, described filling branch road 28 connects breather check valve 21, air inlet pressure sensor 22, relief valve 23, pneumatic operated valve 24 successively, 25, fill with oxygen check valve 26,27, bottle oxygen pressure transducer 15,30, hand-operated valve 14,31 etc., realize vehicle-mounted oxygen cylinder 1,13 filling; Described oxygen supply branch road 28 is connected with hand-operated valve 14,31, bottle oxygen pressure transducer 15,30, air relief valve 16,17, electromagnetic valve 18,19, oxygen supply pressure transducer 20, oxygen bus-bar 2 etc. in turn, realizes the oxygen supply in the car of oxygen cylinder 1,13 bottles of oxygen sources.
The specific implementation of filling and oxygen supply is controlled by main control unit 10, and Main Basis oxygen cylinder 1,13 oxygen amount sizes are controlled oxygen cylinder 1,13 and carried out filling or oxygen supply.An oxygen cylinder can not carry out filling, oxygen-supply operation simultaneously, so oxygen cylinder 1,13 forms interlocked relationship, i.e. during oxygen cylinder 1#13 filling, oxygen cylinder 2#1 carries out oxygen supply, otherwise during oxygen cylinder 1#13 oxygen supply, oxygen cylinder 2#1 carries out filling.
With oxygen cylinder 1#13 oxygen supply, oxygen cylinder 2#1 carries out filling and describes filling, oxygen supply specific implementation process.
Embodiment 1:Filling oxygen supply controls.Guaranteeing under oxygen system power supply supply normal condition processed, main control unit 10 normal operations, at first by bottle oxygen pressure transducer 30,15 obtain respectively the bottle oxygen pressure of oxygen cylinder 1#13 and oxygen cylinder 2#1, and relatively two bottles of oxygen pressure are big or small, suppose that oxygen cylinder 1#13 pressure is large, oxygen cylinder 1#13 uses as the oxygen supply oxygen cylinder, and oxygen cylinder 2#1 presses the oxygen filling because of the little need of pressure.According to oxygen cylinder 1#13 oxygen supply, oxygen cylinder 2#1 carries out filling when operation, becomes normally closedly by often opening electromagnetic valve 2#18, realizes simultaneously, driving the oxygen supply path of oxygen cylinder 1#13 pneumatic operated valve 2#24 and opened by normally closed often becoming, and realizes the filling path of oxygen cylinder 2#1.
Embodiment 2: Oxygen cylinder 2#1 presses the oxygen filling.It is pneumatic that at first main control unit 10 controls oxygenerator 8, flows in oxygen surge tank 7 after oxygen produces, and enter the oxygen feeder of pressing oxygen machine 3 through oxygen sensor 9.Main control unit 10 sampling oxygen sensor 9 numerical value, judge that oxygen flow is greater than 2L/min, oxygen concentration starts driving pump 4 and promotes to press oxygen machines 3 to press the oxygen operation more than or equal to after 92%, and main control unit 10 is opened pneumatic operated valve 2#24 simultaneously, oxygen passes through breather check valve 21 successively, air inlet pressure sensor 22, pneumatic operated valve 2#24, check valve 2#26, bottle oxygen pressure transducer 2#15, oxygen cylinder 2#1 is advanced in hand-operated valve 2#14 filling.In filling, main control unit 10 sampling bottle oxygen pressure transducer 2#15 pressure during more than or equal to 13MPa filling stop.In filling; main control unit 10 sampling air inlet pressure sensor 22 pressure compare with bottle oxygen pressure transducer 2#15; greater than bottle oxygen pressure transducer 2#15 explanation filling branch road existing problems, main control unit 10 is reported to the police and is shut down, and guarantees filling safety as air inlet pressure sensor 22.During filling, the hand switch of oxygen cylinder 2#1 and hand-operated valve 2#14 is in open mode all the time.
Embodiment 3:Oxygen cylinder 1#13 oxygen supply.Main control unit 10 control battery valve 2#18 by often open become normally closed, the oxygen hand-operated valve 1#31 that flows through successively in oxygen cylinder 1#13, bottle oxygen pressure transducer 1#30, air relief valve 1#17, electromagnetic valve 19, oxygen supply pressure transducer 20 output oxygen.The oxygen of output is by carrying out oxygen supply in 2 pairs of cars of oxygen bus-bar.During oxygen supply, the hand switch of oxygen cylinder 1#13 and hand-operated valve 1#31 is in open mode all the time.
Claims (3)
1. the uninterrupted oxygen system processed in an emergency tender, is characterized in that, described system comprises the oxygen unit that connects successively, presses oxygen unit and oxygen to fill for platform, and main control unit is controlled respectively the oxygen unit, pressed oxygen unit and oxygen to fill for platform; Described oxygen unit is connected to form by pipeline successively by oxygenerator, oxygen surge tank and oxygen sensor, described pressure oxygen unit by driving pump, press oxygen machine and pressure transducer to connect to form successively by pipeline; Described oxygen fills for platform and is comprised of filling branch road and oxygen supply branch road, described filling branch road comprises breather check valve, air inlet pressure sensor and the relief valve that connects successively, relief valve connects respectively the first filling path and the second filling path by pipeline, described first, second filling path connects respectively first, second oxygen cylinder path, described filling path is comprised of the pneumatic operated valve that connects successively and filling oxygen check valve, and described oxygen cylinder path is comprised of the bottle oxygen pressure transducer, hand-operated valve and the oxygen cylinder that connect successively; Described oxygen supply branch road comprises the first ventilation channel and the second ventilation channel, described ventilation channel comprises air relief valve and the electromagnetic valve that connects successively, two air relief valve connect respectively corresponding bottle oxygen pressure transducer, two hand-operated valve electromagnetic valves connect respectively the oxygen supply pressure transducer, and the oxygen supply pressure transducer connects the oxygen bus-bar; Described main control unit adopts Touch Screen programmable controller PLC to form, and programmable controller is by gathering the oxygen sensor of oxygen unit, and identification oxygen flow and concentration information are realized product oxygen condition and the process of oxygenerator are carried out Real-Time Monitoring; Programmable controller is pressed the filling pressure transducer of oxygen unit pressure oxygen exit setting and fills for the air inlet pressure sensor in platform by collection, to pressing oxygen and filling bottle pressure and carry out Real-Time Monitoring, realizes the filling security control; Programmable controller is realized the output control of bottle oxygen by the switching of controlling the normally open solenoid valve on ventilation channel.
2. the uninterrupted oxygen system processed in emergency tender according to claim 1, is characterized in that, described oxygenerator adopts the pressure swing adsorption technique oxygen producing, and oxygen yield is 2～5L/min.
3. the uninterrupted oxygen system processed in emergency tender according to claim 1, is characterized in that, described oxygen sensor adopts excusing from death ripple oxygen sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220560591 CN203001269U (en) | 2012-10-30 | 2012-10-30 | Uninterruptible oxygen producing and supplying system of emergency ambulance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220560591 CN203001269U (en) | 2012-10-30 | 2012-10-30 | Uninterruptible oxygen producing and supplying system of emergency ambulance |
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| Publication Number | Publication Date |
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| CN203001269U true CN203001269U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220560591 Withdrawn - After Issue CN203001269U (en) | 2012-10-30 | 2012-10-30 | Uninterruptible oxygen producing and supplying system of emergency ambulance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923665A (en) * | 2012-10-30 | 2013-02-13 | 中国人民解放军军事医学科学院卫生装备研究所 | Emergency ambulance uninterrupted oxygen generation and supply system |
| CN106377360A (en) * | 2016-11-18 | 2017-02-08 | 珠海新康杰特种车辆有限公司 | Oxygen-rich ambulance |
| CN107174711A (en) * | 2017-06-27 | 2017-09-19 | 合肥康居人智能科技有限公司 | A kind of multi-functional oxygenerator |
-
2012
- 2012-10-30 CN CN 201220560591 patent/CN203001269U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102923665A (en) * | 2012-10-30 | 2013-02-13 | 中国人民解放军军事医学科学院卫生装备研究所 | Emergency ambulance uninterrupted oxygen generation and supply system |
| CN106377360A (en) * | 2016-11-18 | 2017-02-08 | 珠海新康杰特种车辆有限公司 | Oxygen-rich ambulance |
| CN107174711A (en) * | 2017-06-27 | 2017-09-19 | 合肥康居人智能科技有限公司 | A kind of multi-functional oxygenerator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20140820 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20140820 |
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| RGAV | Abandon patent right to avoid regrant |