CN214969830U - Special drainage device of emergency internal medicine - Google Patents

Special drainage device of emergency internal medicine Download PDF

Info

Publication number
CN214969830U
CN214969830U CN202120861561.6U CN202120861561U CN214969830U CN 214969830 U CN214969830 U CN 214969830U CN 202120861561 U CN202120861561 U CN 202120861561U CN 214969830 U CN214969830 U CN 214969830U
Authority
CN
China
Prior art keywords
fixedly connected
box
wall
box body
drainage device
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
Application number
CN202120861561.6U
Other languages
Chinese (zh)
Inventor
李志刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
988th Hospital of the Joint Logistics Support Force of PLA
Original Assignee
988th Hospital of the Joint Logistics Support Force of PLA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 988th Hospital of the Joint Logistics Support Force of PLA filed Critical 988th Hospital of the Joint Logistics Support Force of PLA
Priority to CN202120861561.6U priority Critical patent/CN214969830U/en
Application granted granted Critical
Publication of CN214969830U publication Critical patent/CN214969830U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The utility model belongs to the technical field of the drainage device, a special drainage device of emergency internal medicine is related to, wherein, the power distribution box comprises a box body, reservoir and two second recesses have been seted up in the box, the first electric putter of second recess inner wall bottom fixedly connected with, first electric putter top fixedly connected with apron, apron bottom and box top overlap joint, apron bottom fixedly connected with connecting rod. Its beneficial effect is, this special drainage device of emergency internal medicine, through setting up first electric putter, along with first electric putter's extension or shortening, can drive the apron and reciprocate, borrow the gliding effect of piston plate at the reservoir inner wall again, can drive the piston plate and reciprocate, and then can realize making the internal liquid that needs the drainage of patient pass through the drainage tube, the connecting pipe, transfer line and screwed pipe carry to the reservoir in, can realize carrying out the purpose of drawing forth the internal liquid that needs the drainage of patient.

Description

Special drainage device of emergency internal medicine
Technical Field
The utility model belongs to the technical field of drainage device, concretely relates to special drainage device of emergency internal medicine department.
Background
The medical department belongs to the department of respiratory medicine, digestive medicine, cardiovascular medicine, neurology, oncology, endocrinology, hematology, infectious disease department and the like, and the department of respiratory medicine comprises diseases of cold, pneumonia, emphysema, phthisis, bronchiectasis, asthma, lung cancer, pulmonary heart disease, respiratory failure, chronic bronchitis, pneumothorax, lung abscess, pleural effusion and interstitial lung disease.
The Chinese patent discloses a special drainage device for emergency internal medicine (patent number CN 210844542U), which comprises a box body, wherein a pore plate and a fixed plate are fixedly connected inside the box body, and the upper end of the pore plate is fixedly connected with a self-priming pump; this special drainage device of emergency internal medicine department, can set for through microprocessor's speed and the numerical value of flowmeter through setting for the switch self priming pump and flowmeter through setting for self priming pump, the numerical value that enables the drainage is more accurate, make things convenient for medical personnel's operation and the use to equipment, set up in second electric putter enables the syringe needle and inserts messenger's drainage liquid and get into the drainage bottle in the drainage bottle, it prevents the pollution to the drainage liquid to reach personnel contactless syringe needle, also be convenient for use different drainage bottles carry out the drainage to the drainage liquid, can take back the box after winding facilitate the use with the drainage tube under the cooperation of return spring through setting up cylinder and fixed axle, the whole drainage effect that can cooperate the messenger through the meeting between each structure is better.
However, this patent still has the drawback in the use, and it is when carrying out the drainage to the patient, and the liquid level in the drainage bottle is observed to inconvenient user of service, makes the liquid that the drainage goes out spill over from the drainage bottle very easily like this to cause the pollution to other positions, use the limitation great, and its stability is also relatively poor, does not make things convenient for user of service to carry it in addition, has brought very big inconvenience for user of service.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a special drainage device of emergency internal medicine, it has solved the function more singleness and has used more troublesome technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: a special drainage device for emergency treatment department comprises a box body, wherein a liquid storage tank and two second grooves are arranged in the box body, the bottom of the inner wall of each second groove is fixedly connected with a first electric push rod, the top end of the first electric push rod is fixedly connected with a cover plate, the bottom of the cover plate is in lap joint with the top of the box body, the bottom of the cover plate is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a piston plate, the piston plate is connected with the inner wall of the liquid storage tank in a sliding manner, one side of the inner wall of the box body is fixedly connected with a screwed pipe, the screwed pipe is internally threaded with a liquid conveying pipe, the other end of the liquid conveying pipe is in threaded connection with a connecting pipe, the other end of the connecting pipe is in threaded connection with a drainage pipe, the top of the inner wall of the box body is fixedly connected with an ultraviolet germicidal lamp, the front side and the rear side of the box body are both fixedly connected with fixed blocks, and the fixed blocks are movably connected with a movable frame through a damping rotating shaft, the movable frame inner wall bottom fixedly connected with second electric putter, second electric putter top fixedly connected with fixed plate, box one side fixedly connected with connecting cylinder, two pressure sensors of connecting cylinder inner wall top fixedly connected with, connecting cylinder inner wall sliding connection has the buoyancy piece.
As a further aspect of the present invention: one end of one of the fixing plates is fixedly connected with a supporting block, a clamping groove is formed in the supporting block, a first groove is formed in the other fixing plate, a clamping block is fixedly connected to the bottom of the inner wall of the first groove, and the clamping block is matched with the clamping groove.
As a further aspect of the present invention: the alarm box is characterized in that a box door is movably connected to one side of the box body through a hinge, the box door is fixedly connected with the box body through a lock, a handle is fixedly connected to one side of the box door, and an alarm is fixedly connected to the top of the box body.
As a further aspect of the present invention: the improved box is characterized in that a supporting base is fixedly connected to the positions, close to four corners, of the bottom of the box body, a non-slip mat is fixedly connected to the bottom of the supporting base, a liquid outlet is formed in one side of the box body, and a sealing plug is inserted into the liquid outlet.
As a further aspect of the present invention: the box inner wall bottom fixedly connected with places the seat, the connecting pipe outside with place a seat inner wall top overlap joint, connecting cylinder one side is provided with the scale mark, set up the observation window in the connecting cylinder.
As a further aspect of the present invention: the box front side is provided with control panel, control panel passes through wire electric connection with first electric putter, sterilamp, second electric putter, pressure sensors and alarm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the drainage device special for emergency internal medicine can drive the cover plate to move up and down along with the extension or the shortening of the first electric push rod by arranging the first electric push rod, and can drive the piston plate to move up and down under the action of the sliding of the piston plate on the inner wall of the liquid storage tank, thereby realizing that the liquid to be drained out of the patient body is conveyed into the liquid storage tank through the drainage tube, the connecting tube, the liquid conveying tube and the threaded tube, realizing the purpose of leading out the liquid to be drained out of the patient body, the drainage tube, the connecting tube, the infusion tube and the threaded tube can be sterilized and disinfected by arranging the ultraviolet sterilizing lamp, can effectively avoid cross infection, and by arranging the pressure sensor, when the top of the buoyancy block touches the pressure sensor, the pressure sensor can start the alarm through the microprocessor, and sends out an alarm to remind a user of discharging the liquid in the liquid storage tank.
2. This special drainage device of emergency internal medicine, through setting up the damping pivot, the activity effect with the help of the damping pivot, can drive activity frame and fixed plate and use the damping pivot to move about from top to bottom as the centre of a circle, can make things convenient for the user of service to fix the device with the help of the electronic push rod of second, it is fixed between two fixed plates with the help of the suitability between fixture block and the draw-in groove also to make things convenient for the user of service simultaneously, through setting up the buoyancy piece, liquid in the reservoir is more and more, borrow the sliding action of buoyancy piece at the connecting cylinder inner wall again, the buoyancy piece can be handled by the effect rebound of buoyancy, again under the cooperation of pressure sensors and alarm, can remind the user of service to handle liquid, also can effectually avoid liquid to spill over simultaneously.
3. This special drainage device of emergency internal medicine, through setting up second electric putter, along with extension or shortening of second electric putter, when needs use the device, can drive the fixed plate downstream, when fixed plate bottom and table surface overlap joint, can improve the device's stability, through setting up fixture block and draw-in groove, with the help of the suitability between fixture block and the draw-in groove, can facilitate the use with fixed between two fixed plates, thereby can realize that the user carries out the purpose that removes to the device through two fixed plates, through setting up scale mark and observation window, can make things convenient for the user to observe the liquid level, and make corresponding processing.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a three-dimensional structural diagram of the middle box body of the present invention;
FIG. 3 is a schematic structural view of the middle threaded pipe of the present invention;
FIG. 4 is a schematic three-dimensional structure of the middle movable frame of the present invention;
FIG. 5 is a schematic three-dimensional structure of the middle cover plate of the present invention;
FIG. 6 is a schematic structural view of a section of a connecting cylinder according to the present invention;
FIG. 7 is an enlarged view of portion A of FIG. 6;
in the figure: 1. a box body; 2. a hinge; 3. a box door; 4. a handle; 5. a cover plate; 6. a fixed block; 7. a movable frame; 8. a fixing plate; 9. a first groove; 10. a clamping block; 11. a damping rotating shaft; 12. a support base; 13. a non-slip mat; 14. a liquid storage tank; 15. a piston plate; 16. a lock; 17. a connecting rod; 18. a first electric push rod; 19. a second groove; 20. a connecting cylinder; 21. scale lines; 22. an observation window; 23. a liquid outlet; 24. an alarm; 25. an ultraviolet germicidal lamp; 26. a transfusion tube; 27. a threaded pipe; 28. a placing seat; 29. a drainage tube; 30. a connecting pipe; 31. a second electric push rod; 32. a card slot; 33. a buoyancy block; 34. a pressure sensor; 35. a control panel; 36. and (7) a supporting block.
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.
Examples
Referring to fig. 1-7, the present invention provides the following technical solutions: a special drainage device for emergency internal medicine department comprises a box body 1, a liquid storage tank 14 and two second grooves 19 are arranged in the box body 1, a first electric push rod 18 is fixedly connected to the bottom of the inner wall of each second groove 19, a cover plate 5 can be driven to move up and down along with the extension or the shortening of the first electric push rod 18 by arranging the first electric push rod 18, then the piston plate 15 can be driven to move up and down under the sliding action of the piston plate 15 on the inner wall of the liquid storage tank 14, so that liquid needing to be drained out of a patient can be conveyed into the liquid storage tank 14 through a drainage tube 29, a connecting tube 30, a liquid conveying tube 26 and a threaded tube 27, the aim of leading out the liquid needing to be drained out of the patient can be achieved, the cover plate 5 is fixedly connected to the top end of the first electric push rod 18, the bottom of the cover plate 5 is in lap joint with the top of the box body 1, and a connecting rod 17 is fixedly connected to the bottom of the cover plate 5, the bottom end of the connecting rod 17 is fixedly connected with a piston plate 15, the piston plate 15 is connected to the inner wall of the liquid storage tank 14 in a sliding mode, and one side of the inner wall of the box body 1 is fixedly connected with a threaded pipe 27.
The infusion tube 26 is connected with the inner thread of the threaded tube 27, the connecting tube 30 is connected with the other end of the infusion tube 26 through the thread, the drainage tube 29 is connected with the other end of the connecting tube 30 through the thread, the drainage tube 29 is connected with the ultraviolet germicidal lamp 25 through the ultraviolet germicidal lamp 25, the connecting tube 30, the infusion tube 26 and the threaded tube 27 can be sterilized and disinfected, cross infection can be effectively avoided, the fixed block 6 is fixedly connected with the front side and the rear side of the box body 1, the fixed block 6 is movably connected with the movable frame 7 through the damping rotating shaft 11, the movable frame 7 and the fixed plate 8 can be driven to move up and down by taking the damping rotating shaft 11 as the center of a circle by the arrangement of the damping rotating shaft 11, a user can fix the device through the second electric push rod 31, and the user can fix the two fixed plates 8 through the adaptability between the fixture block 10 and the clamping groove 32, 7 inner wall bottom fixedly connected with second electric putter 31 of activity frame through setting up second electric putter 31, along with extension or shortening of second electric putter 31, when needs use the device, can drive fixed plate 8 downstream, when 8 bottoms of fixed plate and table surface overlap joint, can improve the device's stability.
The top end of the second electric push rod 31 is fixedly connected with a fixed plate 8, one side of the box body 1 is fixedly connected with a connecting cylinder 20, the top of the inner wall of the connecting cylinder 20 is fixedly connected with two pressure sensors 34, by arranging the pressure sensors 34, when the top of the buoyancy block 33 touches the pressure sensor 34, the pressure sensor 34 will start the alarm 24 through the microprocessor, and send an alarm to remind the user to discharge the liquid in the liquid storage tank 14, the buoyancy block 33 is connected to the inner wall of the connecting cylinder 20 in a sliding manner, and by arranging the buoyancy block 33, when the liquid in the liquid storage tank 14 is more and more, the buoyancy block 33 can move upwards under the action of the buoyancy by virtue of the sliding action of the buoyancy block 33 on the inner wall of the connecting cylinder 20, and then under the cooperation of the pressure sensor 34 and the alarm 24, a user can be reminded to treat the liquid, meanwhile, the liquid can be effectively prevented from overflowing, and one end of one fixing plate 8 is fixedly connected with a supporting block 36.
A clamping groove 32 is formed in the supporting block 36, a first groove 9 is formed in the other fixing plate 8, a clamping block 10 is fixedly connected to the bottom of the inner wall of the first groove 9, the clamping block 10 is matched with the clamping groove 32, the clamping block 10 and the clamping groove 32 are arranged, and the two fixing plates 8 can be fixed conveniently by means of the adaptability between the clamping block 10 and the clamping groove 32, so that the purpose that a user can move the device through the two fixing plates 8 can be realized, a box door 3 is movably connected to one side of the box body 1 through a hinge 2, the box door 3 is fixedly connected with the box body 1 through a lock 16, a handle 4 is fixedly connected to one side of the box door 3, an alarm 24 is fixedly connected to the top of the box body 1, supporting bases 12 are fixedly connected to positions, close to four corners, of the bottom of the box body 1, anti-skid pads 13 are fixedly connected to the bottoms of the supporting bases 12, a liquid outlet 23 is formed in one side of the box body 1, and a sealing plug is inserted in the liquid outlet 23, seat 28 is placed to 1 inner wall bottom fixedly connected with of box, and the connecting pipe 30 outside with place 28 inner wall top overlap joints, connecting cylinder 20 one side is provided with scale mark 21, has seted up observation window 22 in the connecting cylinder 20, through setting up scale mark 21 and observation window 22, can make things convenient for the user to observe the liquid level to make corresponding processing.
Specifically, 1 front side of box is provided with control panel 35, through setting up control panel 35, can make things convenient for the user of service to control the operating condition of first electric putter 18, sterilamp 25, second electric putter 31, pressure sensors 34 and alarm 24 respectively, and control panel 35 passes through wire electric connection with first electric putter 18, sterilamp 25, second electric putter 31, pressure sensors 34 and alarm 24.
The utility model discloses a theory of operation does:
s1, firstly, a user can operate the control panel 35 to control one of the second electric push rods 31 to extend to separate the fixture block 10 from the fixture groove 32, then the user can drive the movable frame 7 and the fixed plate 8 to move downwards by taking the damping rotating shaft 11 as a circle center under the rotating action of the damping rotating shaft 11, and then operate the control panel 35 to control the second electric push rod 31 to extend to drive the fixed plate 8 to move downwards to fix the device;
s2, a user can open the lock 16, hold the handle 4 with the hand to open the box door 3 by means of the action of the hinge 2, fix the drainage tube 29 at the position where the patient needs to be drained by means of an external fixing part, after the fixation is finished, operate the control panel 35 to control the first electric push rod 18 to extend, drive the cover plate 5 to move upwards, drive the piston plate 15 to move upwards by means of the sliding action of the piston plate 15 on the inner wall of the liquid storage tank 14, so that the liquid needed to be drained in the patient is conveyed into the liquid storage tank 14 through the drainage tube 29, the connecting tube 30, the infusion tube 26 and the threaded tube 27, and a one-way valve is arranged in the drainage tube 29 to avoid the backflow of the liquid;
s3, more and more liquid in the connecting cylinder 20, buoyancy block 33 can be moved upwards by the effect of buoyancy, when buoyancy block 33 top touches pressure sensor 34, pressure sensor 34 can start alarm 24 through microprocessor, send out the alarm and remind, then the user can pull out the liquid transport to outside container in the reservoir 14 of closing plug, after the drainage is accomplished, can screw down transfer line 26, drainage tube 29 and connecting pipe 30 in proper order and wash under outside water source, can place it in box 1 inner wall bottom after the washing is accomplished, it can to disinfect it to operate control panel 35 start sterilamp 25 again.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1. The utility model provides a special drainage device of emergency internal medicine, includes box (1), its characterized in that: a liquid storage tank (14) and two second grooves (19) are formed in the box body (1), a first electric push rod (18) is fixedly connected to the bottom of the inner wall of each second groove (19), a cover plate (5) is fixedly connected to the top end of each first electric push rod (18), the bottom of each cover plate (5) is in lap joint with the top of the box body (1), a connecting rod (17) is fixedly connected to the bottom of each cover plate (5), a piston plate (15) is fixedly connected to the bottom end of each connecting rod (17), the piston plate (15) is connected to the inner wall of the liquid storage tank (14) in a sliding mode, a threaded pipe (27) is fixedly connected to one side of the inner wall of the box body (1), an infusion tube (26) is in threaded connection with the threaded pipe (27), a connecting tube (30) is in threaded connection with the other end of the infusion tube (26), a drainage tube (29) is in threaded connection with the other end of the connecting tube (30), and an ultraviolet germicidal lamp (25) is fixedly connected to the top of the inner wall of the box body (1), the utility model discloses a box, including box (1), fixed block (6), movable frame (7) through damping pivot (11) swing joint, the equal fixedly connected with fixed block (6) of box (1) front side and rear side, movable frame (7) inner wall bottom fixedly connected with second electric putter (31), second electric putter (31) top fixedly connected with fixed plate (8), box (1) one side fixedly connected with connecting cylinder (20), two pressure sensors (34) of connecting cylinder (20) inner wall top fixedly connected with, connecting cylinder (20) inner wall sliding connection has buoyancy piece (33).
2. The drainage device special for emergency internal medicine according to claim 1, wherein: one end of one of the fixing plates (8) is fixedly connected with a supporting block (36), a clamping groove (32) is formed in the supporting block (36), a first groove (9) is formed in the other fixing plate (8), a clamping block (10) is fixedly connected to the bottom of the inner wall of the first groove (9), and the clamping block (10) is matched with the clamping groove (32).
3. The drainage device special for emergency internal medicine according to claim 1, wherein: box (1) one side has chamber door (3) through hinge (2) swing joint, chamber door (3) pass through tool to lock (16) and box (1) fixed connection, chamber door (3) one side fixedly connected with handle (4), box (1) top fixedly connected with alarm (24).
4. The drainage device special for emergency internal medicine according to claim 1, wherein: the anti-skid device is characterized in that a supporting base (12) is fixedly connected to the position, close to four corners, of the bottom of the box body (1), an anti-skid pad (13) is fixedly connected to the bottom of the supporting base (12), a liquid outlet (23) is formed in one side of the box body (1), and a sealing plug is inserted into the liquid outlet (23).
5. The drainage device special for emergency internal medicine according to claim 1, wherein: the box body (1) inner wall bottom fixedly connected with places seat (28), connecting pipe (30) outside and place seat (28) inner wall top overlap joint, connecting cylinder (20) one side is provided with scale mark (21), seted up observation window (22) in connecting cylinder (20).
6. The drainage device special for emergency internal medicine according to claim 1, wherein: the box (1) front side is provided with control panel (35), control panel (35) pass through wire electric connection with first electric putter (18), sterilamp (25), second electric putter (31), pressure-sensitive transducer (34) and alarm (24).
CN202120861561.6U 2021-04-25 2021-04-25 Special drainage device of emergency internal medicine Expired - Fee Related CN214969830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120861561.6U CN214969830U (en) 2021-04-25 2021-04-25 Special drainage device of emergency internal medicine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120861561.6U CN214969830U (en) 2021-04-25 2021-04-25 Special drainage device of emergency internal medicine

Publications (1)

Publication Number Publication Date
CN214969830U true CN214969830U (en) 2021-12-03

Family

ID=79091184

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120861561.6U Expired - Fee Related CN214969830U (en) 2021-04-25 2021-04-25 Special drainage device of emergency internal medicine

Country Status (1)

Country Link
CN (1) CN214969830U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114404691A (en) * 2022-01-25 2022-04-29 阜外华中心血管病医院 Drainage device with fixed support function for cardiovascular surgery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114404691A (en) * 2022-01-25 2022-04-29 阜外华中心血管病医院 Drainage device with fixed support function for cardiovascular surgery

Similar Documents

Publication Publication Date Title
CN202665701U (en) Multifunctional debridement and sterilization trolley
CN214969830U (en) Special drainage device of emergency internal medicine
CN203564465U (en) Medical surgical cleaning and debridement operation bed
CN105078733A (en) Gynecologic washing auxiliary vehicle
CN212997265U (en) Auxiliary device for traditional Chinese medicine acupuncture physiotherapy
CN208864922U (en) A kind of department of general surgery's enema treatment device
CN209500367U (en) A kind of Novel internal medicine drainage device
CN210277855U (en) Uropoiesis surgery nursing washing unit
CN215961633U (en) Internal medicine is clinical with respiratory device
CN213076838U (en) Portable intracavity hydrops drainage device
CN218870952U (en) Clinical care flusher
CN110604866A (en) Surgical nursing dressing change device
CN211244316U (en) Medical nursing cleaning machine
CN220804612U (en) Cleaning device for gynecological nursing
CN217430513U (en) Medical consumable sterilizer with cooling function
CN215650013U (en) Access cabinet with disinfection function
CN216798482U (en) Medical treatment administrative or technical offices degassing unit for passageway
CN216535963U (en) Dressing change cleaning device for nursing
CN214180940U (en) Operating room nursing tray frame
CN212187143U (en) Eye cleaning device with adjustable flushing force
CN216871313U (en) Wisdom commodity circulation is with preventing cross infection's express delivery cabinet
CN220938416U (en) Postoperative nursing dressing change device
CN216963169U (en) Wound disinfection and cleaning device for surgical nursing
CN216318673U (en) Cleaning table for operating room nursing
CN219533849U (en) Medical self-help machine

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: 20211203