CN102218183B - Medical oxygen uptake timing and nurse calling device and working method thereof - Google Patents
Medical oxygen uptake timing and nurse calling device and working method thereof Download PDFInfo
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- CN102218183B CN102218183B CN201110161245.9A CN201110161245A CN102218183B CN 102218183 B CN102218183 B CN 102218183B CN 201110161245 A CN201110161245 A CN 201110161245A CN 102218183 B CN102218183 B CN 102218183B
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- 239000001301 oxygen Substances 0.000 title claims abstract description 72
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 72
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 169
- 238000010521 absorption reaction Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 6
- 150000002926 oxygen Chemical class 0.000 claims description 6
- 238000005070 sampling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000002664 inhalation therapy Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The invention discloses a medical oxygen uptake timing and nurse calling device and a working method thereof, relating to the technology of medical oxygen uptake management. The invention aims at providing the medical oxygen uptake timing and nurse call device which has a simple structure and a low cost and can objectively provide the accurate oxygen uptake time or the accurate oxygen uptake volume of a patient. The medical oxygen uptake timing and nurse calling device has the key technical points as follows: a current nurse calling system and a current medical oxygen uptake timing device are combined, particularly, a master control unit and an extension unit in the nurse calling system are respectively used as a master control unit and an extension unit of the medical oxygen uptake timing device; the extension unit is used for calculating gas output time and gas output volume; the master control unit is used for receiving and processing gas pressure data output by a gas pressure sensor and also used for receiving the gas output time and the gas output volume; and when the gas pressure data output by the gas pressure sensor exceeds a set scope, the master control unit sends an alarm prompt signal to working personnel.
Description
Technical field
The present invention relates to Medical oxygen-absorption management technology, especially a kind of Medical oxygen-uptaking timer and method of work.
Background technology
Nurse call system is comprised of with the calling extension set, main control computer display screen, the extension set display screen that are separately positioned on ward bedhead, ward toilet the calling main control computer that is arranged on lesion nurse station, once ward bedhead or toilet have people by call button, the main frame of nurse station just sends sound and light alarm signal, simultaneously, main control computer display screen simultaneous display is called out bed item, and nurse personnel just can rush at once ward and deal with an urgent situation.
At present, flow of oxygen management is main adopts nurse to carry out the his-and-hers watches timing of patients accepting oxygen inhalation time, patient is unclear on the one hand, also cannot have a clear understanding of the oxygen absorbed of oneself, no matter also exist on the other hand oxygen uptake process discontinuous, like this, be by oxygen absorbed or the calculating of oxygen time length, all be difficult to objective, accurately to calculate patient oxygen absorbed, doctor-patient dispute is occurred again and again.Along with the modern deeply development of medical system, be necessary to provide a kind of automatically, accurately, the objective electronic installation of oxygen uptake timing.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, utilize electronic information technology design a kind of simple in structure, the Medical oxygen-uptaking timer of the accurate oxygen time of patient or oxygen absorbed can be provided objectively, and Medical oxygen-uptaking timer is combined with existing nurse call system, a kind of Medical oxygen-absorption timing nurse calling device and method of work thereof are provided.
The technical solution used in the present invention is such: a kind of Medical oxygen-absorption timing nurse calling device, comprise nurse call system and Medical oxygen-uptaking timer, and described nurse call system and Medical oxygen-uptaking timer have public main control computer and extension set.
Supplementary technology scheme of the present invention is:
Preferably, described Medical oxygen-uptaking timer comprises: source of the gas, gas pressure sensor, oxygen inhalation apparatus, extension set flow transducer and microswitch; Described nurse call system comprises main control computer and extension set; Described oxygen inhalation apparatus has air valve knob and flow control switch;
The gas circuit of Medical oxygen-absorption timing nurse calling device is connected to: the gas of source of the gas output is after shunting, one tunnel is delivered to the gas input of gas pressure sensor, and another road is delivered to oxygen inhalation apparatus by air valve knob, flow control switch, extension set flow transducer successively;
The circuit of Medical oxygen-absorption timing nurse calling device is connected to: described main control computer has gas pressure signal input part; Described gas pressure signal input part is connected with the signal output part of gas pressure sensor;
Described microswitch and described air valve knob have and are in transmission connection, and microswitch has switching signal outfan;
Described extension set has switching signal input, extension set flow signal input; The switching signal outfan of microswitch is connected with the switching signal input of extension set; Described extension set flow signal input is connected with the flow signal outfan of extension set flow transducer device;
Between main control computer and extension set, having signal is connected.
Preferably, also comprise gas pressurizer tank, its gas input is connected with the outfan of source of the gas, the gas output end shunting of its gas pressurizer tank, one tunnel is delivered to the gas input of gas pressure sensor, and another road is delivered to oxygen inhalation apparatus by air valve knob, flow control switch, extension set flow transducer successively.
Preferably, also comprise master control flow transducer, described master control flow transducer is arranged in the gas circuit at the oxygen inhalation apparatus place after the gas output end shunting of described gas pressurizer tank, and the gas output end of described master control flow transducer is connected with oxygen inhalation apparatus by air valve knob, flow control switch, extension set flow transducer successively; On described main control computer, also have master control flow signal receiving terminal, the signal output part of described master control flow transducer is connected with master control flow signal receiving terminal.
Preferably, also comprise gas end, described oxygen inhalation apparatus is oxygen humidifier, and the gas output end of described master control flow transducer is connected with oxygen humidifier by gas end, air valve knob, flow control switch, extension set flow transducer successively.
Preferably, also comprise extension set display screen, described extension set also has shows signal outfan, and described extension set shows signal outfan exports branch road gas flow, gas output time and gas output data to extension set display screen.
Preferably, also comprise main control computer display screen, also have shows signal outfan on described main control computer, described shows signal outfan exports gas output time and the gas output data of pressure data and the output of described extension set to main control computer display screen.
Preferably, comprise N component machine, extension set display screen, gas end, air valve knob, flow control switch, extension set flow transducer and oxygen humidifier; Described N is more than or equal to 2; Described master control flow transducer outfan is divided into N road; N road is connected to oxygen humidifier by gas end, air valve knob, flow control switch, extension set flow transducer respectively; Described each air valve knob and each microswitch are in transmission connection.
Preferably, also comprise alarm, described main control computer has control signal to be connected with alarm.
The technical scheme of the extension set control method of described Medical oxygen-absorption timing nurse calling device is to comprise the following steps:
Step 1: extension set judges whether to receive switching signal; If receive, judgement is out signal or closes signal: if open signal, zero clearing gas last time output time record starts this gas output time timing simultaneously, accept the branch road gas flow data of extension set flow transducer output, to main control computer output, start timing sign;
If pass signal, stop this gas output time timing, according to this gas output of formula=this gas output time * branch road gas flow, calculate this gas output, and send and stop count flag, branch road gas flow, this oxygen time and this gas output to main frame.
If extension set is not received switching signal, re-execute step 1.
The technical scheme of the main control computer control method of described Medical oxygen-absorption timing nurse calling device is to comprise the following steps:
Step 1: main control computer judges whether extension set has signal output: if having, whether the signal that judges extension set output is start timing sign or stop count flag, branch road gas flow, this oxygen time and this gas output: the signal of if so, storing extension set output; If not, re-execute step 1; If extension set does not have signal output, perform step 2;
Step 2: the data on flows of main control computer inquiry master control flow transducer output, and judge that master control data on flows is whether in the scope of setting: if master control data on flows in set point, is preserved current time and master control data on flows, perform step 3; If not in set point, perform step 3;
Step 3: the gas pressure data of main control computer inquiry gas pressure sensor, and judge that gas pressure data is whether in set point: if gas pressure data, in set point, is preserved current time and gas pressure data, perform step 4; If gas pressure data, not in set point, shows gas pressure data and time, perform step 4;
Step 4: repeated execution of steps 1, step 2 and 3.
In sum, owing to having adopted technique scheme, that the present invention has advantages of is simple in structure, programming is terse, automaticity is high, can objective, accurately reflect patients accepting oxygen inhalation amount.
Oxygen-uptaking timer and existing medical intercom system for lesion nurse station and patient's intercommunication are combined, the main control computer of medical intercom system is by each patient's oxygen time, oxygen absorbed carries out unified management, file, the main control computer of medical intercom system also shows the gas pressure of source of the gas simultaneously, when gas pressure exceeds the pressure limit of setting, medical personnel can adjust source of the gas or gas pressurizer tank in time, thereby further facilitated patients accepting oxygen inhalation treatment management, in addition when reducing production costs, improved the degree of integration of medical intercom system.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is system general diagram of the present invention.
Fig. 2 is oxygen uptake timing of the present invention and nurse call system gas circuit connection layout.
Fig. 3 is oxygen uptake timing of the present invention and nurse call system circuit connection diagram.
Fig. 4 is oxygen-uptaking timer extension set control flow chart of the present invention.
Fig. 5 is oxygen-uptaking timer main control computer control flow chart of the present invention.
The specific embodiment
Disclosed all features in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this description (comprising any accessory claim, summary and accompanying drawing), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
As Fig. 1, Medical oxygen-absorption timing nurse calling device disclosed by the invention, comprises nurse call system and Medical oxygen-uptaking timer, and described nurse call system and Medical oxygen-uptaking timer have public main control computer and extension set.
Wherein, nurse call system comprises main control computer and extension set; Medical oxygen-uptaking timer comprises source of the gas, gas pressurizer tank, gas pressure sensor, oxygen inhalation apparatus, extension set flow transducer, microswitch, master control flow transducer; Oxygen inhalation apparatus has again air valve knob and flow control switch; For good man-machine interaction, this Medical oxygen-absorption timing nurse calling device also comprises main control computer display screen and extension set display screen.
As Fig. 2, the gas circuit of Medical oxygen-absorption timing nurse calling device disclosed by the invention is connected to the gas of source of the gas output and shunts after the voltage stabilizing of gas pressurizer tank, one tunnel is delivered to the gas input of gas pressure sensor, separately leads up to master control flow transducer, air valve knob, flow control switch, extension set flow transducer to be delivered to oxygen inhalation apparatus; Described flow control switch is used for controlling ducted gas flow.On oxygen inhalation apparatus, also there is air valve knob; Described air valve knob is used for controlling gas outlet terminal Push And Release; Described microswitch and described air valve knob have and are in transmission connection, and the on off state of air valve knob can convert the corresponding signal of telecommunication to by microswitch, further to extension set, provide and start oxygen time timing and the index signal that stops oxygen time timing.
Described oxygen inhalation apparatus can be oxygen humidifier, when patient inserts oxygen humidifier, opens after air valve knob, just starts oxygen inhalation therapy.When oxygen inhalation apparatus is oxygen humidifier, also need to coordinate gas end to use, so-called gas end is for being arranged on clinically discoid gas output end on sick bed head of a bed wall, the spool of its inner relevant body of holding one's breath, the plug of oxygen humidifier inserts gas end and promotes spool and realize in oxygen humidifier access gas circuit.
As Fig. 3, the circuit of Medical oxygen-absorption timing nurse calling device disclosed by the invention is connected to described main control computer and has gas pressure signal input part; Described gas pressure signal input part is connected with the signal output part of gas pressure sensor; Described master control flow transducer is for exporting master control data on flows to main control computer.The main control computer of existing nurse call system adopts microprocessor chip to realize, if there is AD sampling end on described micro-chip processor, micro-chip processor receives master control data on flows and gas pressure data by different AD sample port, if described micro-chip processor does not have AD sampling end, can adopt two AD sample circuits to gather respectively the data of master control flow transducer and gas pressure sensor output, master control data on flows and gas pressure data are converted to after digital signal, have described two AD sampling units to export to micro-chip processor.
Microswitch has switching signal outfan.
The extension set of existing nurse call system also adopts microprocessor chip to realize, and described extension set is used for calculating gas output time and gas output; Universal I/O port on described extension set can be used as switching signal input; The switching signal outfan of microswitch is connected with the switching signal input of extension set; On described extension set, also have extension set flow signal input, extension set flow signal input is connected with the extension set flow signal outfan of extension set flow transducer; Between extension set and main control computer, have signal and be connected, extension set exports gas output time and gas output to main control computer.Described extension set also has shows signal outfan, and described extension set shows signal outfan exports branch road gas flow, gas output time and gas output data to extension set display screen.
On the main control computer of described nurse call system, also have shows signal outfan, described shows signal outfan exports gas output time and the gas output data of pressure data, extension set output to main control computer display screen.
As a kind of embodiment of Medical oxygen-absorption timing nurse calling device, it has N component machine, extension set display screen, gas end, air valve knob, flow control switch, extension set flow transducer and oxygen humidifier; Described N is more than or equal to 2; Described master control flow transducer outfan is divided into N road; N road is connected to oxygen humidifier by gas end, air valve knob, flow control switch, extension set flow transducer respectively; Described each air valve knob and each microswitch are in transmission connection.
This Medical oxygen-absorption timing nurse calling device also comprises alarm, described main control computer has control signal to be connected with alarm, while just number exceeding the scope of setting after the alert device of gas pressure letter that main control computer is judged its collection is received alarm control signal, just to alarm output alarm control signal, report starts to report to the police.
Described gas pressurizer tank, gas pressure sensor, oxygen humidifier, flow control switch, microswitch, flow transducer, main control computer display screen and extension set display screen are prior art, can buy on the market.
The extension set control principle of Medical oxygen-absorption timing nurse calling device of the present invention is:
Step 1: extension set judges whether to receive switching signal; If receive, judgement is out signal or closes signal: if open signal, zero clearing gas last time output time record starts this gas output time timing simultaneously, accept the branch road gas flow of extension set flow transducer output, to main control computer output, start timing sign;
If pass signal, stop this gas output time timing, according to this gas output of formula=this gas output time * branch road gas flow, calculate this gas output, and send and stop count flag, branch road gas flow, this oxygen time and this gas output to main frame.
If extension set is not received switching signal, re-execute step 1.When Medical oxygen-uptaking timer is worked, extension set will circulate and carry out above-mentioned steps 1, until device shutdown.As Fig. 4.
The main control computer control principle of Medical oxygen-uptaking timer is:
Step 1: main control computer judges whether extension set has signal output: if having, whether the signal that judges extension set output is start timing sign or stop count flag, branch road gas flow, this oxygen time and this gas output: the signal of if so, storing extension set output; If not, re-execute step 1; If extension set does not have signal output, perform step 2;
Step 2: the master control data on flows of main control computer inquiry master control flow transducer output, and judge that master control data on flows is whether in the scope of setting: if master control data on flows in set point, is preserved current time and master control data on flows, perform step 3; If not in set point, perform step 3;
Step 3: the gas pressure data of main control computer inquiry gas pressure sensor, and judge that gas pressure data is whether in set point: if gas pressure data, in set point, is preserved current time and gas pressure data, perform step 4; If gas pressure data, not in set point, shows gas pressure data and time, perform step 4;
Step 4: repeated execution of steps 1, step 2 and 3, until device shutdown.As Fig. 5.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (10)
1. a Medical oxygen-absorption timing nurse calling device, comprises nurse call system and Medical oxygen-uptaking timer, it is characterized in that, described nurse call system and Medical oxygen-uptaking timer have public main control computer and extension set;
Described Medical oxygen-uptaking timer comprises: source of the gas, gas pressure sensor, oxygen inhalation apparatus, extension set flow transducer and microswitch; Described nurse call system comprises main control computer and extension set; Described oxygen inhalation apparatus has air valve knob and flow control switch;
The gas circuit of Medical oxygen-absorption timing nurse calling device is connected to: the gas of source of the gas output is after shunting, one tunnel is delivered to the gas input of gas pressure sensor, and another road is delivered to oxygen inhalation apparatus by air valve knob, flow control switch, extension set flow transducer successively;
The circuit of Medical oxygen-absorption timing nurse calling device is connected to: described main control computer has gas pressure signal input part; Described gas pressure signal input part is connected with the signal output part of gas pressure sensor;
Described extension set has switching signal input, extension set flow signal input; The switching signal outfan of microswitch is connected with the switching signal input of extension set; Described extension set flow signal input is connected with the flow signal outfan of extension set flow transducer;
Described microswitch and described air valve knob have and are in transmission connection, and microswitch has switching signal outfan; Thereby described microswitch is for becoming the switch state of air valve knob the corresponding signal of telecommunication to provide and start oxygen time timing and the index signal that stops oxygen time timing to extension set;
Between main control computer and extension set, having signal is connected.
2. a kind of Medical oxygen-absorption timing nurse calling device according to claim 1, it is characterized in that, also comprise gas pressurizer tank, its gas input is connected with the outfan of source of the gas, the gas output end shunting of its gas pressurizer tank, one tunnel is delivered to the gas input of gas pressure sensor, and another road is delivered to oxygen inhalation apparatus by air valve knob, flow control switch, extension set flow transducer successively.
3. a kind of Medical oxygen-absorption timing nurse calling device according to claim 2, it is characterized in that, also comprise master control flow transducer, described master control flow transducer is arranged in the gas circuit at the oxygen inhalation apparatus place after the gas output end shunting of described gas pressurizer tank, and the gas output end of described master control flow transducer is connected with oxygen inhalation apparatus by air valve knob, flow control switch, extension set flow transducer successively; On described main control computer, also have master control flow signal receiving terminal, the signal output part of described master control flow transducer is connected with master control flow signal receiving terminal.
4. a kind of Medical oxygen-absorption timing nurse calling device according to claim 3, it is characterized in that, also comprise gas end, described oxygen inhalation apparatus is oxygen humidifier, and the gas output end of described master control flow transducer is connected with oxygen humidifier by gas end, air valve knob, flow control switch, extension set flow transducer successively.
5. a kind of Medical oxygen-absorption timing nurse calling device according to claim 4, it is characterized in that, also comprise extension set display screen, described extension set also has shows signal outfan, and described extension set shows signal outfan exports branch road gas flow, gas output time and gas output data to extension set display screen.
6. a kind of Medical oxygen-absorption timing nurse calling device according to claim 5, it is characterized in that, also comprise main control computer display screen, on described main control computer, also have shows signal outfan, described shows signal outfan exports gas output time and the gas output data of pressure data and the output of described extension set to main control computer display screen.
7. a kind of Medical oxygen-absorption timing nurse calling device according to claim 6, is characterized in that, comprises N component machine, extension set display screen, gas end, air valve knob, flow control switch, extension set flow transducer and oxygen humidifier; Described N is more than or equal to 2; Described master control flow transducer outfan is divided into N road; N road is connected to oxygen humidifier by gas end, air valve knob, flow control switch, extension set flow transducer respectively; Described each air valve knob and each microswitch are in transmission connection.
8. according to a kind of Medical oxygen-absorption timing nurse calling device described in any one in claim 1 ~ 7, it is characterized in that, also comprise alarm, described main control computer has control signal to be connected with alarm.
9. the extension set control method of a kind of Medical oxygen-absorption timing nurse calling device described in any one in claim 1 to 8, is characterized in that, comprises the following steps:
Step 101: extension set judges whether to receive switching signal; If receive, judgement is out signal or closes signal: if open signal, zero clearing gas last time output time record starts this gas output time timing simultaneously, accept the branch road gas flow of extension set flow transducer output, to main control computer output, start timing sign;
If pass signal, stop this gas output time timing, according to this gas output of formula=this gas output time * branch road gas flow, calculate this gas output, and send and stop count flag, branch road gas flow, this oxygen time and this gas output to main frame;
If extension set is not received switching signal, re-execute step 101.
10. the main control computer control method of a kind of Medical oxygen-absorption timing nurse calling device described in any one in claim 1 to 8, is characterized in that, comprises the following steps:
Step 1101: main control computer judges whether extension set has signal output: if having, whether the signal that judges extension set output is start timing sign or stop count flag, branch road gas flow, this oxygen time and this gas output: the signal of if so, storing extension set output; If not, re-execute step 1101; If extension set does not have signal output, perform step 1102;
Step 1102: the data on flows of main control computer inquiry master control flow transducer output, and judge that master control data on flows is whether in the scope of setting: if master control data on flows in set point, is preserved current time and master control data on flows, perform step 1103; If not in set point, perform step 1103;
Step 1103: the gas pressure data of main control computer inquiry gas pressure sensor, and judge that gas pressure data is whether in set point: if gas pressure data, in set point, is preserved current time and gas pressure data, perform step 1104; If gas pressure data, not in set point, shows gas pressure data and time, perform step 1104;
Step 1104: repeated execution of steps 1101, step 1102 and 1103.
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| CN103800974B (en) * | 2014-03-14 | 2017-01-11 | 张和梅 | Timing, metering and charging device for oxygen delivery |
| CN109658618A (en) * | 2019-02-18 | 2019-04-19 | 孙冠名 | A kind of medical oxygen terminal timing oxygen uptake and traffic statistics charging system |
| CN111359067A (en) * | 2020-03-23 | 2020-07-03 | 成都市龙泉驿区第一人民医院 | Oxygen induction and flow recording system |
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| JP3378142B2 (en) * | 1996-05-10 | 2003-02-17 | 帝人株式会社 | Respiratory synchronization oxygen supply device |
| CN2798980Y (en) * | 2005-05-21 | 2006-07-26 | 陈秀兰 | Humidifier for oxygen inhalation |
| CN2905026Y (en) * | 2006-02-19 | 2007-05-30 | 赵增友 | Internet-employed controller with temperature-monitoring, air-disinfecting, vacuum suction accumulated timing function |
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Address after: 641400 Jianyang city of Sichuan province Kailiwei Industrial Avenue South No. 11 Applicant after: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. Applicant after: Chen Yong Address before: 641400 box 18, Jianyang, Sichuan, Ziyang Applicant before: SICHUAN JIANYANG GANGTONG GROUP Co.,Ltd. Applicant before: Chen Yong |
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Effective date of registration: 20131216 Address after: 641400 Jianyang city of Sichuan province Kailiwei Industrial Avenue South No. 11 Applicant after: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. Address before: 641400 Jianyang city of Sichuan province Kailiwei Industrial Avenue South No. 11 Applicant before: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. Applicant before: Chen Yong |
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Address after: No.356, south section of kailiwei Industrial Avenue, Jianyang City, Chengdu City, Sichuan Province Patentee after: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. Address before: 641400 Jianyang city of Sichuan province Kailiwei Industrial Avenue South No. 11 Patentee before: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. |
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Denomination of invention: Nurse calling device and its working method for medical oxygen inhalation timing Effective date of registration: 20200806 Granted publication date: 20140129 Pledgee: China Minsheng Banking Corp Chengdu branch Pledgor: SICHUAN GANGTONG MEDICAL EQUIPMENT GROUP Co.,Ltd. Registration number: Y2020510000081 |
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