CN210045700U - Puncture sample drainage tube cleaning and sterilizing device - Google Patents
Puncture sample drainage tube cleaning and sterilizing device Download PDFInfo
- Publication number
- CN210045700U CN210045700U CN201920400832.0U CN201920400832U CN210045700U CN 210045700 U CN210045700 U CN 210045700U CN 201920400832 U CN201920400832 U CN 201920400832U CN 210045700 U CN210045700 U CN 210045700U
- Authority
- CN
- China
- Prior art keywords
- cleaning
- pipe
- cleaning box
- drainage tube
- water pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses a puncture sampling drainage tube cleaning and disinfecting device, which particularly comprises a cleaning box, wherein the cleaning box is of a cuboid structure, one side of the upper end of the cleaning box is connected with a box cover through a hinge, an inner cavity at one end of the cleaning box is provided with a water pump through a fixing frame, the utility model has the advantages of simple operation and obvious cleaning effect, the outer part of the drainage tube is cleaned through an inclined spray pipe, and the inner wall is washed through a thin-mouth spray pipe, so that the all-dimensional cleaning of the drainage tube is realized; the rotating roller is arranged in the cleaning box, so that the drainage tube is rotated and cleaned, and stains on the drainage tube are thoroughly cleaned by matching with the ultrasonic controller, so that the cleaning effect of the device is ensured; the utility model realizes the double sterilization and disinfection treatment of the drainage tube by the chlorine dioxide gas generated by the chlorine dioxide generator and the ultraviolet generated by the ultraviolet disinfection lamp, and realizes the thorough disinfection of the drainage tube.
Description
Technical Field
The utility model relates to a cleaning and disinfection equipment technical field specifically is a puncture sample drainage tube cleaning and disinfection device.
Background
The clinical surgical drainage tubes have various types, some are used for catheterization, and some are used for wounds, thoracic cavities, brain cavities, gastrointestinal tracts, biliary tracts and the like. The surgical drainage aims to guide pus, blood and liquid accumulated in human tissues or body cavities to the outside of the body so as to prevent postoperative infection and influence on wound healing, and a puncture sampling drainage tube after use needs to be cleaned and disinfected.
The cleaning and disinfection of present puncture sample drainage tube mostly uses the disinfection cotton swab to carry out simple disinfection, wastes time and energy, and the cleaning and disinfection effect is incomplete, can not be with puncture sample drainage tube inside spot clean up, and is difficult to carry out thorough disinfection to the drainage tube to influence subsequent use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a puncture sample drainage tube cleaning and sterilizing device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a puncture sampling drainage tube cleaning and disinfecting device comprises a cleaning box, a cleaning tube, a water pump, a thin-opening spray tube, a water outlet, a box cover, a driving motor, a chlorine dioxide generator, an electric heater, an ultraviolet disinfection lamp, a gas transmission coil, a rotating roller, an inclined spray tube, a control surface, a water inlet end port, a bottom plate, a locking universal wheel and an ultrasonic controller, wherein the cleaning box is of a cuboid structure, the box cover is connected to one side of the upper end of the cleaning box through a hinge, one end of the upper surface of the box cover is fixedly connected with a handle through a screw, the water pump is arranged in an inner cavity at one end of the cleaning box through a fixing frame and is horizontally arranged, the water inlet end of the water pump is close to the outer wall of the cleaning box, the water inlet end of the water pump is connected with the water inlet end port through a flange, the water inlet end penetrates through the outer wall of the cleaning box, the water outlet, the other end of the cleaning pipe is sealed and fixedly connected with the other end of the cleaning box through a bolt, a plurality of round holes are formed in the outer surface of the lower end of the cleaning pipe, inclined spray pipes are arranged on the round holes through viscose, the inclined spray pipes are perpendicular to the outer surface of the cleaning pipe, the number of the cleaning pipes is 2-5, the cleaning pipes are uniformly arranged in the cleaning box and are positioned on the same horizontal plane, the cleaning pipes are connected through water pipes, the lower end of each cleaning pipe is provided with a thin-opening spray pipe, the outer surfaces of two ends of each thin-opening spray pipe are uniformly provided with a plurality of spray pipes through viscose, the spray pipes are obliquely arranged towards two ends of each thin-opening spray pipe, the included angle between each spray pipe and the outer surface of each thin-opening spray pipe is 45 degrees, the number of the thin-opening spray pipes is 6-12, the thin-opening spray pipes are connected through water pipes, and the middle positions of the thin, the cleaning box comprises a water pump, a cleaning box inner cavity, a gas transmission coil pipe, a motor seat, a rotating wheel, a rotating roller, a rubber sleeve, an ultrasonic wave controller and a motor seat, wherein the cleaning box inner cavity opposite to the water pump is fixedly provided with a chlorine dioxide generator through a fixing frame, the gas transmission coil pipe is fixed on the inner wall of the cleaning box through screws, the gas transmission coil pipe is provided with a plurality of ventilation round holes, the cleaning box inner cavity opposite to the two ends of the chlorine dioxide generator is provided with the driving motor, the driving motor is fixed in the motor seat, the output shaft of the driving motor is connected with the rotating wheel through a coupler, one end of the rotating wheel is fixedly connected with the rotating roller in a welding way, the outer surface of the rotating roller is fixedly connected with the rubber sleeve through viscose, the number of the rotating roller in the inner cavity at one side of the cleaning box is equal to that of the fine, the utility model discloses a clean case, including the dustbin, the upper end inner chamber of water pump, driving motor, chlorine dioxide generator, electric heater, ultraviolet ray disinfection lamp and ultrasonic controller, the lower extreme one side of dustbin is provided with the outlet, is provided with the control flap that control discharged the dustbin internal water on the outlet, the upper end inner chamber of water pump is provided with control panel through the fix with screw, and the last a plurality of button that is provided with of control panel for control water pump, driving motor, chlorine dioxide generator, electric heater, ultraviolet ray disinfection lamp and ultrasonic controller's switch, water pump, driving motor, chlorine dioxide generator, electric heater, ultraviolet ray disinfection lamp and.
As a further aspect of the present invention: the inner wall of case lid passes through screw fixedly connected with ultraviolet ray disinfection lamp, and the quantity of ultraviolet ray disinfection lamp is 5 ~ 10.
As a further aspect of the present invention: the lower bottom surface of cleaning box passes through the bolt fastening and sets up in the upper surface of bottom plate, and the lower bottom surface four corners of bottom plate is provided with the locking universal wheel.
As a further aspect of the present invention: electric heaters are arranged below two ends of the thin-opening spray washing pipe, and two ends of each electric heater are fixedly arranged on the inner wall of the cleaning box through supporting steel frames.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the drainage tube cleaning device is simple to operate and obvious in cleaning effect, the outer part of the drainage tube is cleaned through the inclined spray pipe, the inner wall of the drainage tube is washed through the thin-opening spray pipe, and the drainage tube is cleaned in all directions;
2. the rotating roller is arranged in the cleaning box, so that the drainage tube is rotated and cleaned, and stains on the drainage tube are thoroughly cleaned by matching with the ultrasonic controller, so that the cleaning effect of the device is ensured;
3. the utility model discloses a chlorine dioxide gas that chlorine dioxide generator produced cooperates the ultraviolet ray that the ultraviolet ray disinfection lamp produced to carry out dual sterilization disinfection to the drainage tube and handles, has realized carrying out drying process through electric heater to the drainage tube after the cleaning and disinfection, avoids breeding of bacterium.
Drawings
Fig. 1 is a schematic structural view of a puncture sampling drainage tube cleaning and disinfecting device.
Fig. 2 is a schematic view of the installation structure of a thin-mouth spray pipe in a puncture sampling drainage pipe cleaning and disinfecting device.
Fig. 3 is a schematic structural view of an air conveying coil in a puncture sampling drainage tube cleaning and disinfecting device.
In the figure: the cleaning device comprises a cleaning box 1, a cleaning pipe 2, a water pump 3, a fine-opening spray pipe 4, a water outlet 5, a box cover 6, a driving motor 7, a chlorine dioxide generator 8, an electric heater 9, an ultraviolet disinfection lamp 10, an air transmission coil pipe 11, a rotating roller 12, an inclined spray pipe 13, a control panel 14, a water inlet port 15, a bottom plate 16, a locking universal wheel 17 and an ultrasonic controller 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, a puncture sampling drainage tube cleaning and disinfecting device includes a cleaning box 1, a cleaning tube 2, a water pump 3, a thin nozzle spray tube 4, a water outlet 5, a box cover 6, a driving motor 7, a chlorine dioxide generator 8, an electric heater 9, an ultraviolet disinfection lamp 10, a gas transmission coil 11, a rotating roller 12, an inclined spray tube 13, a control panel 14, a water inlet 15, a bottom plate 16, a locking universal wheel 17 and an ultrasonic controller 18, wherein the cleaning box 1 is of a rectangular parallelepiped structure, one side of the upper end of the cleaning box 1 is connected with the box cover 6 through a hinge, one end of the upper surface of the box cover 6 is fixedly connected with a handle through screws, the inner wall of the box cover 6 is fixedly connected with the ultraviolet disinfection lamp 10 through screws, the number of the ultraviolet disinfection lamps 10 is 8, the inner cavity of one end of the cleaning box 1, 3 levels of water pump set up, and the income water end of water pump 3 is close to the outer wall setting of cleaning box 1, and the income water end of water pump 3 passes through flange joint water inlet port 15, and water inlet port 15 runs through the outer wall setting of cleaning box 1, and the delivery end of water pump 3 sets up in the intermediate position of cleaning box 1 one end, and the delivery end of water pump 3 connects the one end of scavenge pipe 2 that the level set up, and the other end of scavenge pipe 2 is sealed the other end through bolt fixed connection cleaning box 1, a plurality of round hole has been seted up to the lower extreme surface of scavenge pipe 2, is provided with slope spray tube 13 through the viscose on the round hole, and the surface setting of slope spray tube 13 perpendicular to scavenge pipe 2, the figure of scavenge pipe 2 is 3, evenly sets up in the inside of cleaning box 1, and scavenge pipe 2 is in same horizontal plane, through the hydraulic pipe connection between.
The lower extreme of scavenge pipe 2 is provided with slit spray wash pipe 4, and the both ends surface of slit spray wash pipe 4 evenly is provided with a plurality of spray tube through the viscose, and the spray tube sets up to the both ends slope of slit spray wash pipe 4, and the contained angle of spray tube and slit spray wash pipe 4 surface is 45, and the figure of slit spray wash pipe 4 is 9, through water piping connection between each slit spray wash pipe 4, and the intermediate position of slit spray wash pipe 4 passes through water piping connection slope spray tube 13.
The inner cavity of the cleaning box 1 corresponding to the water pump 3 is fixedly provided with a chlorine dioxide generator 8 through a fixing frame, the air outlet port of the chlorine dioxide generator 8 is connected with an air conveying coil pipe 11 of a rectangular structure through an air guide pipe, the air conveying coil pipe 11 is fixed on the inner wall of the cleaning box 1 through screws, and the air conveying coil pipe 11 is provided with a plurality of air-permeable round holes.
1 inner chamber of clean box that thin mouthful spray tube 4 both ends are relative all is provided with driving motor 7, driving motor 7 is fixed in the motor cabinet, driving motor 7's output shaft passes through the coupling joint runner, the one end welded connection of runner has rotor 12, the surface of rotor 12 passes through viscose fixedly connected with rubber sleeve, the rotor 12 figure of 1 one side inner chamber of clean box equals with the figure of thin mouthful spray tube 4, and rotor 12 is in on the same straight line with thin mouthful spray tube 4, connect through belt transmission between each runner.
The cleaning box is characterized in that an ultrasonic controller 18 is arranged below the cleaning box 1 at one end of the water pump 3, a water outlet 5 is arranged on one side of the lower end of the cleaning box 1, a control valve for controlling the discharge of water in the cleaning box 1 is arranged on the water outlet 5, electric heaters 9 are arranged below the two ends of the thin-opening spray pipe 4, the two ends of each electric heater 9 are fixedly arranged on the inner wall of the cleaning box 1 through a support steel frame, the lower bottom surface of the cleaning box 1 is fixedly arranged on the upper surface of the bottom plate 16 through bolts, and locking universal wheels 17 are arranged at four corners of the lower bottom surface of the bottom plate.
The upper end inner chamber of water pump 3 is provided with control panel 14 through the fix with screw, is provided with a plurality of button on control panel 14 for control water pump 3, driving motor 7, chlorine dioxide generator 8, electric heater 9, ultraviolet ray disinfection lamp 10 and ultrasonic controller 18's switch, water pump 3, driving motor 7, chlorine dioxide generator 8, electric heater 9, ultraviolet ray disinfection lamp 10 and ultrasonic controller 18 all with control panel 14 electric connection.
When in use, the box cover 6 is opened, one end of the puncture sampling drainage tube to be cleaned and disinfected is placed on the thin-opening spray washing tube 4, the other end of the drainage tube is placed on the rotating roller 12, the box cover 6 is closed, the water inlet port 15 is connected with the water outlet end of the water inlet tube, the switch of the water pump 3, the driving motor 7 and the ultrasonic controller 18 is turned on through the control panel 14, the water pump 3 pumps water into the cleaning pipe 2, the inclined spray pipe 13 on the cleaning pipe 2 sprays out the water, the exterior of the drainage tube at the lower part is cleaned, the driving motor 7 is electrified to drive the rotating roller 12 to rotate, the rotating roller 12 drives the drainage tube to rotate, the outer wall of the drainage tube can be completely cleaned, the thin-opening spray pipe 4 washes the interior of the drainage tube, the rotating roller 12 enables the drainage tube to rotate to wash, the ultrasonic controller 18 thoroughly cleans stains in the drainage tube, and the cleaning efficiency of the device is improved.
After cleaning, the water pump 3, the switch of the driving motor 7 and the ultrasonic controller 18 are closed, the control valve of the water outlet 5 is opened, water in the cleaning box 1 is discharged, the switch of the chlorine dioxide generator 8 and the ultraviolet disinfection lamp 10 is opened, the chlorine dioxide gas generated by the chlorine dioxide generator 8 is matched with the ultraviolet rays generated by the ultraviolet disinfection lamp 10 to perform double sterilization and disinfection treatment on the puncture sampling drainage tube, the disinfection of the drainage tube is thorough, after disinfection, the switch of the motor heater 9 is opened, the electric heater 9 performs drying treatment on the drainage tube, the puncture sampling drainage tube is convenient to place, and the breeding of bacteria is avoided.
In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A puncture sampling drainage tube cleaning and disinfecting device comprises a cleaning box (1), a cleaning tube (2), a water pump (3), a thin-opening spray tube (4), a water outlet (5), a box cover (6), a driving motor (7), a rotating roller (12), an inclined spray tube (13), a water inlet port (15) and an ultrasonic controller (18), and is characterized in that the cleaning box (1) is of a cuboid structure, one side of the upper end of the cleaning box (1) is connected with the box cover (6) through a hinge, one end of the upper surface of the box cover (6) is fixedly connected with a handle through a screw, the inner cavity at one end of the cleaning box (1) is provided with the water pump (3) through a fixing frame, the water pump (3) is horizontally arranged, the water inlet end of the water pump (3) is close to the outer wall of the cleaning box (1), the water inlet end of the water pump (3) is connected with the water inlet port (15) through a flange, the water outlet end of the water pump (3) is arranged in the middle of one end of the cleaning box (1), the water outlet end of the water pump (3) is connected with one end of a horizontally arranged cleaning pipe (2), the other end of the cleaning pipe (2) is sealed and fixedly connected with the other end of the cleaning box (1) through a bolt, the outer surface of the lower end of the cleaning pipe (2) is provided with a plurality of round holes, inclined spray pipes (13) are arranged on the round holes through viscose, the inclined spray pipes (13) are perpendicular to the outer surface of the cleaning pipe (2), the number of the cleaning pipes (2) is 2-5, the cleaning pipes are uniformly arranged in the cleaning box (1), the cleaning pipes (2) are positioned on the same horizontal plane, the cleaning pipes (2) are connected through water conveying pipes, the lower end of the cleaning pipe (2) is provided with a fine opening spray pipe (4), and the outer surfaces of two ends of the fine opening spray pipe (4) are uniformly provided, the spray pipes are obliquely arranged towards two ends of the thin-opening spray washing pipe (4), the included angle between each spray pipe and the outer surface of the thin-opening spray washing pipe (4) is 45 degrees, the number of the thin-opening spray washing pipes (4) is 6-12, each thin-opening spray washing pipe (4) is connected through a water pipe, the middle position of each thin-opening spray washing pipe (4) is connected with an oblique spray pipe (13) through a water pipe, the inner cavities of the cleaning boxes (1) at two ends of each thin-opening spray washing pipe (4) are respectively provided with a driving motor (7), the driving motors (7) are fixed in the motor bases, the output shafts of the driving motors (7) are connected with rotating wheels through couplers, one ends of the rotating wheels are fixedly connected with rotating rollers (12) in a welding mode, the outer surfaces of the rotating rollers (12) are fixedly connected with rubber sleeves through viscose, the number of the rotating rollers (12) in the inner cavity at one side of each cleaning box (1) is equal to the number of the thin-opening spray washing pipes (4), and, the rotating wheels are connected through a belt in a transmission mode, an ultrasonic controller (18) is arranged below the cleaning box (1) at one end of the water pump (3), a water outlet (5) is formed in one side of the lower end of the cleaning box (1), and a control valve for controlling the water in the cleaning box (1) to be discharged is arranged on the water outlet (5).
2. The puncture sampling drainage tube cleaning and disinfecting device according to claim 1, characterized in that the inner wall of the box cover (6) is fixedly connected with ultraviolet disinfection lamps (10) through screws, and the number of the ultraviolet disinfection lamps (10) is 5-10.
3. The puncture sampling drainage tube cleaning and disinfecting device according to claim 1, characterized in that the lower bottom surface of the cleaning box (1) is fixedly arranged on the upper surface of the bottom plate (16) through bolts, and four corners of the lower bottom surface of the bottom plate (16) are provided with locking universal wheels (17).
4. The puncture sampling drainage tube cleaning and disinfecting device according to claim 1, characterized in that a chlorine dioxide generator (8) is fixedly installed at one end of the inner cavity of the cleaning box (1) through a fixing frame, an air outlet port of the chlorine dioxide generator (8) is connected with an air conveying coil (11) with a rectangular structure through an air guide tube, the air conveying coil (11) is fixed on the inner wall of the cleaning box (1) through screws, and a plurality of air permeable circular holes are formed in the air conveying coil (11).
5. The puncture sampling drainage tube cleaning and disinfecting device according to claim 1, characterized in that an electric heater (9) is arranged below both ends of the thin-opening spray pipe (4), and both ends of the electric heater (9) are fixedly mounted on the inner wall of the cleaning box (1) through a supporting steel frame.
6. The puncture sampling drainage tube cleaning and disinfecting device according to claim 1, characterized in that a control panel (14) is fixedly arranged in an upper end inner cavity of the water pump (3) through screws, a plurality of buttons are arranged on the control panel (14) and used for controlling the water pump (3), the driving motor (7), the chlorine dioxide generator (8), the electric heater (9), the ultraviolet disinfection lamp (10) and the ultrasonic controller (18) to be switched on and off, and the water pump (3), the driving motor (7), the chlorine dioxide generator (8), the electric heater (9), the ultraviolet disinfection lamp (10) and the ultrasonic controller (18) are all electrically connected with the control panel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400832.0U CN210045700U (en) | 2019-03-27 | 2019-03-27 | Puncture sample drainage tube cleaning and sterilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400832.0U CN210045700U (en) | 2019-03-27 | 2019-03-27 | Puncture sample drainage tube cleaning and sterilizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210045700U true CN210045700U (en) | 2020-02-11 |
Family
ID=69379883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920400832.0U Expired - Fee Related CN210045700U (en) | 2019-03-27 | 2019-03-27 | Puncture sample drainage tube cleaning and sterilizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210045700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274524A (en) * | 2021-04-01 | 2021-08-20 | 南方医科大学南方医院 | Method and device for disinfecting drainage tube interface after neurosurgery operation |
-
2019
- 2019-03-27 CN CN201920400832.0U patent/CN210045700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113274524A (en) * | 2021-04-01 | 2021-08-20 | 南方医科大学南方医院 | Method and device for disinfecting drainage tube interface after neurosurgery operation |
| CN113274524B (en) * | 2021-04-01 | 2024-05-28 | 南方医科大学南方医院 | Disinfection method and disinfection device for neurosurgery postoperative drainage tube interface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107802853B (en) | Medical high-efficient disinfection cleaning machine | |
| CN113275292B (en) | Gastroscope belt cleaning device for gastroenterology | |
| CN211888146U (en) | Apparatus cleaning device for adrenal pheochromocytoma | |
| CN211674580U (en) | Nursing apparatus bin | |
| CN212067261U (en) | Disinfection nursing device | |
| CN111514340A (en) | Medical instrument is with degassing unit that disinfects | |
| CN112547655A (en) | Medical instrument cleaning, disinfecting and drying integrated device | |
| CN210045700U (en) | Puncture sample drainage tube cleaning and sterilizing device | |
| CN208910099U (en) | A kind of mop chlorination equipment | |
| CN114305737A (en) | High-efficient cleaning equipment of gastroscope for gastroenterology | |
| CN113305100A (en) | A wash dry disinfection integral type electronic equipment for medical instrument | |
| CN218280160U (en) | Medical instrument degassing unit | |
| CN109759383B (en) | Medical instrument disinfection device | |
| CN210096445U (en) | Be used for sterile degassing unit of medical instrument | |
| CN217187076U (en) | Sterilizing and disinfecting device for barreled drinking water bucket | |
| CN212792152U (en) | Medical cleaning device with drying and sterilizing functions | |
| CN108325980A (en) | A kind of Anaesthesia speciality reagent container cleaning device | |
| CN214133005U (en) | Emergency department disinfection nursing cabinet | |
| CN214388327U (en) | Medical intensive care nursing disinfection device | |
| CN212490876U (en) | Medical instrument is with degassing unit that disinfects | |
| CN211802682U (en) | Cardiovascular is apparatus degassing unit for internal medicine | |
| CN211244727U (en) | Disinfecting equipment for clinical experiments | |
| CN211797836U (en) | Gastroenterology enteroscopy cleaning and disinfecting workstation | |
| CN209918519U (en) | Automatic cleaning device for cosmetic glass bottle | |
| CN215536822U (en) | Box is placed in apparatus disinfection for endotracheal intubation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 |