CN111249573A - Intelligent infusion device and system capable of being remotely controlled - Google Patents
Intelligent infusion device and system capable of being remotely controlled Download PDFInfo
- Publication number
- CN111249573A CN111249573A CN202010087913.7A CN202010087913A CN111249573A CN 111249573 A CN111249573 A CN 111249573A CN 202010087913 A CN202010087913 A CN 202010087913A CN 111249573 A CN111249573 A CN 111249573A
- Authority
- CN
- China
- Prior art keywords
- infusion
- control
- transfusion
- flow pump
- information
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
- A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/35—Communication
- A61M2205/3546—Range
- A61M2205/3553—Range remote, e.g. between patient's home and doctor's office
Abstract
The invention discloses an intelligent infusion device and system capable of being remotely controlled, which comprises: the remote transfusion control and management system is used for data transmission and remote transfusion control, the transfusion control and switching system is used for controlling the transfusion speed and switching a transfusion channel, and the transfusion monitoring control system is used for monitoring the transfusion state and controlling the work of the transfusion control and switching system. The beneficial effects obtained by the invention are as follows: simplify and intelligent clinical infusion process, can realize the remote monitoring and accurate regulation and control of infusion process, greatly reduced medical care's clinical work load.
Description
Technical Field
The invention relates to an infusion device and an infusion system, in particular to an infusion system capable of realizing intelligent and remote control, belonging to the field of medical instruments and ward medical management.
Background
Infusion is a basic and very common operation in the clinical diagnosis and treatment process, and most of inpatients need to be infused with liquid medicines.
There are many kinds of liquid medicines, different medicines have different infusion speed requirements, and inpatients may need to infuse a large amount of different medicines every day. In clinical work, nurses are the main personnel for carrying out transfusion, and transfusion is the main daily work content of nurses, but because each patient may need to be transfused with a large variety of medicines every day, and the flow rate requirement of each medicine is different, the nurses are required to frequently change the medicines and adjust the dropping speed of the medicine transfusion to and from the bedside and the treatment room of the patient, the workload is large, especially when the patients are more, the difficulty and the workload of the work can be greatly increased, in addition, the risks of cross infection in hospitals can also be greatly increased when the nurses frequently go to and from the patients, especially the infected patients.
In order to reduce the workload in the clinical work and better realize scientific, visual and intelligent management of ward infusion, the intelligent infusion device and the intelligent infusion system capable of being remotely controlled are invented.
Disclosure of Invention
The invention provides an intelligent remote controllable infusion device and system aiming at the problems in the prior art and practical work.
An intelligent remotely controllable infusion device and system, comprising: the remote infusion control and management system, the infusion control and switching system and the infusion monitoring control system; wherein, the remote infusion control and management system comprises: the system comprises a server, a switch, a nurse station, a doctor station, a network cloud, a mobile phone end and a mobile computer end; the infusion control and switching system comprises: a transfusion switching valve, a flow pump and a transfusion pipeline; the infusion monitoring control system comprises: the system comprises an infrared vision monitor, an image acquisition card, a central controller, a wireless transmission module, a storage battery and a power supply.
The transfusion switching valve of the transfusion control and switching system comprises a plurality of connecting pipelines, a plurality of liquid inlets, a valve core, a plurality of liquid outlets, a total liquid outlet pipeline and a liquid outlet, wherein the upper end of each connecting pipeline is only connected with a transfusion bag, the lower end of each connecting pipeline is connected with a liquid inlet, each liquid inlet is downwards corresponding to a liquid inlet pipeline, the liquid inlet pipelines enter the valve core, the valve core can move left and right in the transfusion switching valve, the movement of the valve core is controlled by a valve control circuit, the valve control circuit is connected with a central processing unit of a transfusion monitoring control system, a valve core flow passage is arranged in the valve core, the valve core flow passage upwards can be connected with only one liquid inlet pipeline, and simultaneously downwards only corresponds to one liquid outlet pipeline, the liquid inlet pipelines and the liquid outlet pipelines correspond in number one to one, and the liquid outlet pipelines are gathered into a total liquid outlet pipeline, the total liquid outlet pipeline is continued to be a liquid outlet, and the liquid outlet is connected with a liquid inlet of the flow pump.
The upper end of a flow pump of the infusion control and switching system is a flow pump liquid inlet, the lower end of the flow pump is a flow pump liquid outlet, a transfusion pipeline is connected below the flow pump liquid outlet, the flow pump is controlled by a flow pump control circuit, and the flow pump control circuit is connected with a central processing unit of an infusion monitoring control system.
The central processing unit of the transfusion monitoring control system controls the work of the transfusion monitoring control system, receives the data information from the infrared vision monitor and the wireless transmission module, connects the transfusion switching valve and the flow pump of the transfusion control and switching system through the valve control circuit and the flow pump control circuit, and controls the work of the transfusion switching valve and the flow pump.
The infrared vision monitor can detect the liquid level in each connecting pipeline of the transfusion switching valve and input the information into the central processing unit through the image acquisition card.
The wireless transmission module is used for transmitting and receiving data and control information of the central controller and the remote infusion control and management system; the infusion monitoring control system is powered by a power supply and is provided with a storage battery.
The transfusion control and switching system and the transfusion monitoring control system jointly form a group of transfusion units.
The intelligent infusion device and system capable of being remotely controlled have the following implementation process modes of data transmission and infusion control:
a plurality of nurse stations and a plurality of doctor stations of the remote infusion control and management system are provided with a plurality of infusion control information.
The infusion control information is input into the server through the exchanger.
The server inputs the infusion control information into central processing units of infusion monitoring control systems of a plurality of infusion units, and preferably, the transmission mode is a wireless mode.
The central processing unit controls the work of the transfusion switching valve and the flow pump, and the central processing unit controls the work of the flow pump according to the transfusion flow information in the transfusion control information.
The infrared vision monitor monitors the infusion process and feeds infusion information back to the central processing unit in real time, and the central processing unit controls the valve core of the infusion switching valve to move according to the infusion information input by the infrared vision monitor.
The infusion information is fed back to the server in real time through the central processing unit, and the server feeds the infusion information back to the doctor station and the nurse station in real time;
the server can transmit the infusion information to the mobile phone end and the mobile computer end through the network cloud and the internet.
The switching process of the transfusion channel of the transfusion unit comprises the following steps: the infrared vision monitor of the transfusion monitoring control system monitors the liquid level in the connecting pipeline in the transfusion process, when the liquid level appears in the liquid in the current connecting pipeline, the liquid in the transfusion bag in the channel is prompted to be used up, the infrared vision monitor feeds the information back to the central processing unit through the image acquisition card, the central processing unit controls the valve core in the transfusion switching valve to move through the valve control circuit, so that the valve core flow channel moves to the next group of liquid inlet pipeline and liquid outlet pipeline, and other liquid inlet pipelines and other liquid outlet pipelines are sealed. The central processor receives data information of the infrared vision monitor and sets the feedback control process of the valve by an internal program.
In the present application, if not specifically stated, the positional relationship of the respective components is based on the positional relationship shown in the drawings, and the adopted devices, instruments, components, dimensions, and other conditions, etc. are well known in the art, or can be realized by those skilled in the art in combination with the prior art according to the description of the application.
In the description of the terms used in the present invention, the description in the present application shall control if it is different from the description in the prior art.
Drawings
FIG. 1 is a schematic diagram of the infusion control and switching system (three-way), and infusion monitoring control system of the present invention;
FIG. 2 is a schematic view showing the construction of a selector valve (three-way valve) according to the present invention (left side of the valve body);
FIG. 3 is a schematic view showing the construction of a selector valve (three-way valve) according to the present invention (right side position of the valve body);
FIG. 4 is a schematic view of the infusion unit (three-way) mode of the present invention;
FIG. 5 is a schematic diagram of a remote infusion control and management system mode of the present invention;
number designation in the figures: (1) an infusion bag 1; (2) an infusion bag 2; (3) an infusion bag 3; (4) a connecting pipeline 1; (5) a connecting pipeline 2; (6) a connecting pipeline 3; (7) a liquid inlet 1; (8) a liquid inlet 2; (9) a liquid inlet 3; (10) a transfusion switching valve; (11) a valve core; (12) a liquid outlet; (13) a valve control circuit; (14) a liquid inlet of the flow pump; (15) a flow pump; (16) a flow pump outlet; (17) a flow pump control circuit; (18) an infusion control and switching system; (19) a transfusion pipeline; (20) a support; (21) a transfusion monitoring control system; (22) an infrared vision monitor; (23) visual monitoring field; (24) an image acquisition card; (25) a central controller; (26) a wireless transmission module; (27) a storage battery; (28) a power plug; (29) a socket; (30) a liquid inlet pipeline 1; (31) a liquid inlet pipeline 2; (32) a liquid inlet pipeline 3; (33) a spool flow passage; (34) a liquid outlet pipeline 1; (35) a liquid outlet pipeline 2; (36) a liquid outlet pipeline 3; (37) a main liquid outlet pipeline; (38) a patient; (39) a transfusion unit; (40) a transfusion unit 1; (41) a transfusion unit 2; (42) a transfusion unit 3; (43) a transfusion unit n; (44) wireless data transmission; (45) wireless remote control; (46) a remote infusion control and management system; (47) a server; (48) a switch; (49) a nurse station 1; (50) a nurse station 2; (51) a nurse station n; (52) a doctor station 1; (53) a doctor station 2; (54) a doctor stands n; (55) a network cloud; (56) internet transmission; (57) a mobile phone terminal; (58) and a mobile computer terminal.
Detailed Description
The device and system of the present invention will be further described with reference to the accompanying drawings
Embodiment 1:
referring to fig. 1-4, the switching process of the infusion channel of the infusion unit according to the present invention is illustrated by taking three infusion lines as an example: an infrared vision monitor (22) of the transfusion monitoring control system (21) monitors the liquid level in the connecting pipelines (4,5,6) in the transfusion process, when the liquid level appears in the current connecting pipeline, namely the liquid in the connecting pipeline 1(4), the liquid level in the transfusion bag 1(1) in the channel is indicated to be used up, the infrared vision monitor (22) feeds back the information to a central processing unit (25) through an image acquisition card (24), the central processing unit (25) controls a valve core (11) in a transfusion switching valve (10) to move through a valve control circuit (13), so that a valve core flow channel (33) moves to the positions corresponding to a liquid inlet pipeline (3) (32) and a liquid outlet pipeline (3) (36), and simultaneously seals the liquid inlet pipeline 1(30), the liquid inlet pipeline 2(31), the liquid outlet pipeline 1(34) and the liquid outlet pipeline 2 (35).
In embodiment 1, only the switching from the liquid inlet line 1 to the liquid inlet line 3 is described as an example, and the switching pattern of the liquid inlet line 2 is the same.
Embodiment 2:
the embodiment is illustrated by a wireless data transmission mode
As shown in the attached figures 1-5, the data transmission and infusion control system of the invention has the following implementation process modes: a doctor station 1(52), a doctor station 2(53), and a doctor station n (54) of the remote infusion control and management system (46) set infusion control information of the infusion unit 1(40), the infusion unit 2(41), the infusion unit 3(42), and the infusion unit n (43) according to the doctor's order, infusion control information is input to a server (47) through an exchanger (48) of the doctor station 1(49), the nurse station 2(50), and the nurse station 3(51), the infusion control information is input to a central processor (25) of a monitoring control system (21) of the infusion unit 1(40), the infusion unit 2(41), the infusion unit 3(42), and the infusion unit n (43) through an exchanger (48), the central processor (25) controls the operation of a flow pump (15) through a flow pump control circuit (17) according to flow information corresponding to the infusion control information, the infrared vision monitor (22) monitors the infusion process and feeds infusion information back to the central processing unit (25) in real time, the central processing unit (25) controls the valve core (11) of the infusion switching valve (10) to move through the valve control circuit (13) according to the infusion information input by the infrared vision monitor (22), the infusion information is fed back to the server (47) in real time in a wireless data transmission (44) mode through the central processing unit (25), and the server (47) feeds the infusion information back to each doctor station (52,53,54) and nurse station (49,50,51) in real time; meanwhile, the server (47) can transmit infusion information to different mobile phone terminals (57) and mobile computer terminals (58) through internet transmission (56) through a network cloud (55).
The above-described embodiments are intended to further illustrate the embodiments of the device and system of the present invention, and not to limit the invention in any way, and all simple modifications, variations and equivalent structural changes made according to the technical spirit of the present invention are within the scope of the present invention.
Claims (5)
1. An intelligent remotely controllable infusion device and system, comprising: the remote infusion control and management system, the infusion control and switching system and the infusion monitoring control system; wherein, the remote infusion control and management system comprises: the system comprises a server, a switch, a nurse station, a doctor station, a network cloud, a mobile phone end and a mobile computer end; the infusion control and switching system comprises: a transfusion switching valve, a flow pump and a transfusion pipeline; the infusion monitoring control system comprises: the system comprises an infrared vision monitor, an image acquisition card, a central controller, a wireless transmission module, a storage battery and a power supply.
2. The intelligent remote-controllable infusion device and system according to claim 1, wherein the infusion switching valve of the infusion control and switching system is composed of a plurality of connecting lines, a plurality of liquid inlets, a valve core, a plurality of liquid outlets, a total liquid outlet and a liquid outlet, wherein the upper end of each connecting line is connected with only one infusion bag, the lower end of each connecting line is connected with one liquid inlet, each liquid inlet is downward corresponding to one liquid inlet, the liquid inlet enters the valve core, the valve core can move left and right in the infusion switching valve, the movement of the valve core is controlled by a valve control circuit, the valve control circuit is connected with a central processing unit of the infusion monitoring control system, a valve core flow channel is arranged in the valve core, and the valve core flow channel can upwards connect with only one liquid inlet, meanwhile, only one liquid outlet pipeline is downwards corresponding, the number of the liquid inlet pipelines and the number of the liquid outlet pipelines are in one-to-one correspondence, the liquid outlet pipelines are gathered into a total liquid outlet pipeline, the total liquid outlet pipeline is continued to be a liquid outlet, and the liquid outlet is connected with a liquid inlet of a flow pump; the upper end of a flow pump of the infusion control and switching system is a flow pump liquid inlet, the lower end of the flow pump is a flow pump liquid outlet, a transfusion pipeline is connected below the flow pump liquid outlet, the flow pump is controlled by a flow pump control circuit, and the flow pump control circuit is connected with a central processing unit of an infusion monitoring control system.
3. The intelligent remote controllable infusion device and system as claimed in claim 1, wherein the central processing unit of the infusion monitoring control system controls the operation of the infusion monitoring control system, receives data information from the infrared vision monitor and the wireless transmission module, connects the infusion switching valve and the flow pump of the infusion control and switching system through the valve control circuit and the flow pump control circuit, and controls the operation of the infusion switching valve and the flow pump; the infrared vision monitor can detect the liquid level in each connecting pipeline of the transfusion switching valve and input the information into the central processing unit through the image acquisition card; the wireless transmission module is used for transmitting and receiving data and control information of the central controller and the remote infusion control and management system; the infusion monitoring control system is powered by a power supply and is provided with a storage battery.
4. An intelligent remotely controllable infusion device and system as claimed in claim 2 or 3, wherein said an infusion control and switching system and an infusion monitoring control system together comprise a set of infusion units.
5. The intelligent remote controllable infusion device and system as claimed in claims 1-4, wherein the data transmission and infusion control are realized by the following process modes:
i, a plurality of nurse stations and a plurality of doctor stations of the remote infusion control and management system are provided with a plurality of infusion control information;
inputting infusion control information into a server through a switch;
the server inputs the infusion control information into central processing units of infusion monitoring control systems of a plurality of infusion units, and preferably, the transmission mode is a wireless mode;
IV, the central processing unit controls the work of the transfusion switching valve and the flow pump, and the central processing unit controls the work of the flow pump according to the transfusion flow information in the transfusion control information;
monitoring the infusion process by an infrared vision monitor, feeding infusion information back to a central processing unit in real time, and controlling the movement of a valve core of the infusion switching valve by the central processing unit according to the infusion information input by the infrared vision monitor;
feeding infusion information back to the server in real time through the central processing unit, and feeding the infusion information back to the doctor station and the nurse station in real time through the server;
and VII, the server can transmit the infusion information to the mobile phone end and the mobile computer end through the network cloud via the Internet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010087913.7A CN111249573A (en) | 2020-02-12 | 2020-02-12 | Intelligent infusion device and system capable of being remotely controlled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010087913.7A CN111249573A (en) | 2020-02-12 | 2020-02-12 | Intelligent infusion device and system capable of being remotely controlled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111249573A true CN111249573A (en) | 2020-06-09 |
Family
ID=70947250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010087913.7A Pending CN111249573A (en) | 2020-02-12 | 2020-02-12 | Intelligent infusion device and system capable of being remotely controlled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111249573A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101827131A (en) * | 2010-04-29 | 2010-09-08 | 上海索羽计算机信息科技有限公司 | Clinical information system of hospital emergency center based on wireless network technology |
| CN205055023U (en) * | 2015-09-23 | 2016-03-02 | 丽水市人民医院 | Medical infusion support of self -supporting formula |
| CN205626607U (en) * | 2015-12-04 | 2016-10-12 | 朱同川 | Take totally enclosed magnetism to strain change over switch's transfusion system |
| CN106691469A (en) * | 2016-12-30 | 2017-05-24 | 西安中科微光影像技术有限公司 | Puncture mechanism and puncture method |
| CN106937531A (en) * | 2014-06-14 | 2017-07-07 | 奇跃公司 | Method and system for producing virtual and augmented reality |
| CN107049431A (en) * | 2016-12-30 | 2017-08-18 | 西安中科微光影像技术有限公司 | A kind of automatic puncturing robot |
| CN108969838A (en) * | 2018-09-14 | 2018-12-11 | 孟祥宝 | A kind of automatic medicine-change monitor control system for infusion |
| CN110522971A (en) * | 2019-08-01 | 2019-12-03 | 阿克索健康科技(广州)有限公司 | A kind of infusion remote alarming system and control method based on wireless communication |
-
2020
- 2020-02-12 CN CN202010087913.7A patent/CN111249573A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101827131A (en) * | 2010-04-29 | 2010-09-08 | 上海索羽计算机信息科技有限公司 | Clinical information system of hospital emergency center based on wireless network technology |
| CN106937531A (en) * | 2014-06-14 | 2017-07-07 | 奇跃公司 | Method and system for producing virtual and augmented reality |
| CN205055023U (en) * | 2015-09-23 | 2016-03-02 | 丽水市人民医院 | Medical infusion support of self -supporting formula |
| CN205626607U (en) * | 2015-12-04 | 2016-10-12 | 朱同川 | Take totally enclosed magnetism to strain change over switch's transfusion system |
| CN106691469A (en) * | 2016-12-30 | 2017-05-24 | 西安中科微光影像技术有限公司 | Puncture mechanism and puncture method |
| CN107049431A (en) * | 2016-12-30 | 2017-08-18 | 西安中科微光影像技术有限公司 | A kind of automatic puncturing robot |
| CN108969838A (en) * | 2018-09-14 | 2018-12-11 | 孟祥宝 | A kind of automatic medicine-change monitor control system for infusion |
| CN110522971A (en) * | 2019-08-01 | 2019-12-03 | 阿克索健康科技(广州)有限公司 | A kind of infusion remote alarming system and control method based on wireless communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9623172B2 (en) | Modular infusion system | |
| US5729204A (en) | Intelligent cable for controlling data flow | |
| EP2742961A1 (en) | Modular drug infusion system with central control and multiple infusion pumps comprising touch screens | |
| US5527289A (en) | IV management apparatus | |
| CN201519339U (en) | Critical care and infusion control diagnosis and treatment integration system | |
| CN102754392B (en) | Two-wire loop process io transmitter powered from the two-wire loop | |
| CN102122364A (en) | RFID wireless communication-based transfusion monitoring system | |
| CN204216895U (en) | A kind of sickbed calling system | |
| CN105944184A (en) | Intelligent transfusion monitoring device | |
| CN111249573A (en) | Intelligent infusion device and system capable of being remotely controlled | |
| CN103394148A (en) | Sickroom unguarded system based on singlechip and PC | |
| CN210728348U (en) | Infusion pump capable of being remotely controlled | |
| CN109692381B (en) | Intelligent transfusion detection control system | |
| CN203389152U (en) | Infusion management system | |
| CN216855425U (en) | Intelligent non-gravity closed loop closed type transfusion management system | |
| CN103598874A (en) | Vital sign and infusion state monitoring system | |
| CN111773475A (en) | Control system and control method of remote micro-injection pump | |
| CN111249605A (en) | Intelligent mammary duct infusion system | |
| CN104288868A (en) | Digital sickbed infusion monitoring system | |
| CN111986788A (en) | Intelligent medical system | |
| CN215875785U (en) | Bedside calling device with infusion speed regulation function | |
| CN205007368U (en) | Networking multi -user electronic infusion pump system | |
| CN204815156U (en) | Wireless infusion monitoring alarm and system | |
| CN208726440U (en) | A kind of intelligent infusion control system | |
| CN215351196U (en) | Multi-channel infusion sequence control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200609 |