CN209611876U - A kind of high pressure injector - Google Patents
A kind of high pressure injector Download PDFInfo
- Publication number
- CN209611876U CN209611876U CN201920192550.6U CN201920192550U CN209611876U CN 209611876 U CN209611876 U CN 209611876U CN 201920192550 U CN201920192550 U CN 201920192550U CN 209611876 U CN209611876 U CN 209611876U
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- China
- Prior art keywords
- ball
- high pressure
- push rod
- stepper motor
- ball screw
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Abstract
The utility model belongs to technical field of medical equipment, disclose a kind of high pressure injector, including high pressure injector ontology, first syringe, second syringe, first push rod, second push rod, high pressure injector body interior is equipped with the first stepper motor, second stepper motor and first ball screw pair, second ball screw assembly, first stepper motor, second stepper motor is fixed on the top of high pressure injector ontology side by side, first ball screw pair is connect with the first stepper motor, first push rod is connect with first ball screw pair, second ball screw assembly, is connect with second stepper motor, second push rod is connect with the second ball screw assembly, high pressure injector body lower part is equipped with the first connector, second connector, first syringe is threadedly engaged with the first connector to be connect, second syringe is threadedly engaged with the second connector to be connect.The transmission loss minimum, transmission efficiency highest of the utility model, significantly reduce energy consumption, and transmission is more steady, drive noise is small.
Description
Technical field
The utility model belongs to technical field of medical equipment, and in particular to a kind of high pressure injector.
Background technique
The primary condition of medical science level and the important symbol of up-to-dateness is continuously improved in Medical Devices,
Medical Devices have become a key areas of modern medical service.The development of medical treatment depends greatly on the development of instrument,
Even in medical industry development, breakthrough bottleneck also plays conclusive effect.It or medical treatment, scientific research, teaching, machine
Structure, the most basic element of clinical speciality work, that is, include professional medical equipment, also includes domestic medical device.It is big currently on the market
Portioned product carries out movement transmitting using pure gear-driven mode, using pure gear drive during noise is big, vibration is big,
It is not sufficiently stable in bad adjustment and transmission process when assembling, the speed promoted when easily causing injection drug is inconsistent, can give patient
Increase feeling of pain and malpractice even occurs.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of high pressure injector.
The technology employed by the present utility model is a kind of high pressure injector, includes high pressure injector ontology, first
Syringe, the second syringe, the first push rod, the second push rod, the high pressure injector body interior are equipped with the first stepper motor, second
Stepper motor, first ball screw are secondary and the second ball screw assembly, the first stepper motor and second stepper motor are fixed on side by side
The top of high pressure injector, first ball screw pair are connect with the first stepper motor, the second ball screw assembly, and the second stepping electricity
Machine connection, first ball screw pair are made of the first ball screw, the first ball nut and the first ball, first ball
The surface of screw rod is equipped with the first screw thread ball grooves with the first ball engagement, the first ball nut cover on the first ball screw and
The second screw thread ball grooves corresponding with the first screw thread ball grooves are equipped with inside first ball nut, the first ball is located at the first rolling
Between ballscrew and the first ball nut, first stepper motor is connect with the first ball screw, and the first push rod one end is solid
It is scheduled on the first ball nut, it is living that the other end of the first push rod is fixed with the first cone being coupled inside the first syringe
Plug, the second ball screw assembly, are made of the second ball screw, the second ball nut and the second ball, second ball screw
Surface be equipped with third screw thread ball grooves with the second ball engagement, the second ball nut covers on the second ball screw and second
The 4th screw thread ball grooves corresponding with third screw thread ball grooves are equipped with inside ball nut, the second ball is located at the second ball wire
Between bar and the second ball nut, the second stepper motor is connect with the second ball screw, and the second push rod one end is fixed on
On second ball nut, the other end of the second push rod is fixed with to be coupled and live in the second internal cone of the second syringe (3)
Plug, the high pressure injector body lower part are equipped with the first connector and the second connector, and the threaded upper ends of first syringe connect
It is connected in the first connector, the threaded upper ends of second syringe are connected in the second connector.
A kind of high pressure injector, further design is, first push rod is equipped with cavity, the first ball wire
Bar is located in the cavity of the first push rod, and second push rod is equipped with cavity, and the second ball screw is located in the cavity of the second push rod.
A kind of high pressure injector, further design is that first ball nut is adjacent with the first push rod
End be fixedly installed with first flange disk, successively the first ball nut, first flange disk, the first push rod are fixed on bolt
Together, second ball nut end adjacent with the second push rod is fixedly installed with second flange disk, with bolt successively by
Two ball nuts, second flange disk, the second push rod are fixed together.
A kind of high pressure injector, further design is, first ball screw and the first stepper motor
The end of connection is connected with the first knob, and the end that second ball screw is connect with second stepper motor is connected with the second rotation
Button.
A kind of high pressure injector, further design is, the side of the high pressure injector ontology, which rotates, to be connected
It is connected to a bracket, bracket is the cavity structure of both ends open, and the lower end of bracket is fixedly connected with electrical box shield, electrical box shield
It is connected with electrical box by being threadedly engaged, electrical box is cavity structure, and the surrounding bottom of electrical box shield is equipped with medical service brake
Wheel.
A kind of high pressure injector, further design is that activity is cased with a medical tray on the bracket.
A kind of high pressure injector, further design is, the is fixedly installed in the cavity of the electrical box
One step motor control module, second stepper motor control module and power supply, the first stepping motor control module and the first stepping
The electrical connection of motor line, second stepper motor control module are electrically connected with second stepper motor with electric wire, and electric wire is respectively positioned on branch
In the cavity structure of frame, the first stepping motor control module and second stepper motor control module are electrically connected to a power source.
A kind of high pressure injector, further design is, is additionally provided with operation panel on high pressure injector ontology,
It is fixed with the display screen for display parameters on operation panel and operation button is installed, display screen is electrically connected to a power source, behaviour
Make button to be electrically connected with the first stepping motor control module and second stepper motor control module.
A kind of high pressure injector, further design is, the first sealing ring is cased on first syringe, the
One sealing ring is cased with the second sealing ring on second syringe, second is close between the first syringe and the first connector inner wall
Seal is between the second syringe and the second connector inner wall.
The utility model has the following beneficial effects: the utility model uses a kind of high pressure injector, according to mechanical drive principle,
Ball screw is that transmission loss minimum, the highest one kind of transmission efficiency, the utility model use ball wire in all drive lead screws
Bar pushes push rod to be injected, and significantly reduces energy consumption, and ball leading screw driving is more more steady than pure gear drive, transmission
Noise is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the first ball screw pair of the utility model and the structural schematic diagram of the second ball screw assembly,.
Fig. 3 is the structural schematic diagram of the utility model the first push rod and the second push rod.
In figure: 1- high pressure injector ontology；The first syringe of 2-；The second syringe of 3-；The first push rod of 4-；The first cone of 401- is living
Plug；The second push rod of 5-；The second taper piston of 501-；The first stepper motor of 6-；7- second stepper motor；The first ball screw of 8-；
The first ball nut of 9-；The second ball screw of 10-；The second ball nut of 11-；12- first flange disk；13- second flange disk；
The first knob of 14-；The second knob of 15-；16- bracket；17- electrical box shield；18- electrical box；The medical service brake wheel of 19-；20- is medical
Pallet；21- operation panel；2101- display screen；2102- operation button；The first sealing ring of 22-；The second sealing ring of 23-.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes to the utility model
The understanding of disclosure is more thorough and comprehensive.It should be noted that word "front", "rear" used in the following description, " left side ",
" right side ", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements
The direction of geometric center.
As shown in Figure 1, the utility model be a kind of high pressure injector, include high pressure injector ontology 1, the first syringe 2,
Second syringe 3, the first push rod 4, the second push rod 5 are equipped with the first stepper motor 6, second inside the high pressure injector ontology 1
Stepper motor 7, first ball screw are secondary and the second ball screw assembly, the first stepper motor 6 and second stepper motor 7 are fixed side by side
At the top of high pressure injector, first ball screw pair is connect with the first stepper motor 6, the second ball screw assembly, and the second stepping
Motor 7 connects, and first ball screw pair is made of the first ball screw 8, the first ball nut 9 and the first ball, and described the
The surface of one ball screw 8 is equipped with the first screw thread ball grooves with the first ball engagement, and the first 9 sets of ball nut is in the first ball
The second screw thread ball grooves corresponding with the first screw thread ball grooves, the first ball are equipped on screw rod 8 and inside the first ball nut 9
Between the first ball screw 8 and the first ball nut 9, first stepper motor 6 is connect with the first ball screw 8, the
One push rod, 4 one end is fixed on the first ball nut 9, and the other end of the first push rod 4, which is fixed with, to be coupled in the first needle
The first taper piston 401 inside cylinder 2, the second ball screw assembly, are by the second ball screw 10, the second ball nut 11 and the
Two balls composition, the surface of second ball screw 10 are equipped with the third screw thread ball grooves with the second ball engagement, the second rolling
11 sets of pearl nut on the second ball screw 10 and inside the second ball nut 11 equipped with corresponding with third screw thread ball grooves
4th screw thread ball grooves, the second ball is between the second ball screw 10 and the second ball nut 11, the second stepping electricity
Machine 7 is connect with the second ball screw 10, and 5 one end of the second push rod is fixed on the second ball nut 11, the second push rod 5 it is another
End, which is fixed with, to be coupled under the second taper piston 501 being located inside the second syringe 3, the high pressure injector ontology 1
Portion is equipped with the first connector and the second connector, is equipped with internal screw thread on the inner wall of the first connector and the second connector, described
The upper end lateral wall of first syringe 2 is equipped with the external screw thread cooperated with the first connector, the upper end lateral wall of second syringe 3
It is equipped with the external screw thread cooperated with the second connector.The working principle of ball screw assembly: the first stepper motor 6 and second step are connected
Into motor 7, the first ball screw 8 and the second ball screw 10 are started turning, to drive the first ball in the first screw thread ball
Moved in slot, the second ball moves in third screw thread ball grooves, indirectly lead to the first ball nut 9 and the second ball nut
11 is mobile, the final movement for driving the first push rod 4 and the second push rod 5.Working principle: the first stepper motor 6 and second step are connected
Into motor 7 onto, the first taper piston 401 and the second taper piston 501 are shifted to the bottom of the first syringe 2 and the second syringe 3 respectively
Afterwards, then the first stepper motor 6 and second stepper motor 7 are disconnected, then by a sterile fast suction pipe (because fast suction pipe is exposed to
Part in air is minimum, and has maximum section to flow fast through liquid stream.Note: because fast suction pipe be it is sterile, keep off
Its any end pinches the bending head of fast suction pipe with hand, not pinch straight long body portion, this part is radiography to be inserted into
In agent bottle) short body portion be inserted into the first syringe 2, the straight long body portion of fast suction pipe is inserted into the bottle body of dress contrast agent
In, then the short body portion of a sterile fast suction pipe is separately taken to be inserted into the second syringe 3, the straight long body portion of fast suction pipe is inserted into
In the bottle bodies for filling salt water, the first stepper motor 6 and second stepper motor 7 are being connected, contrast agent is being drawn into the first syringe 2,
Salt water is drawn into the second syringe 3, after sucking liquid, then the air in the first syringe 2 and the second syringe 3 is drained, when giving
When patient injects liquid, contrast agent and salt water can be injected simultaneously perhaps be separately injected into contrast agent and also or first inject contrast agent,
Contrast agent+salt water is injected again, and rear pump pickle, this scheme can be there are many injection system, and medical staff can be according to circumstances
Be unidirectionally injected or the either double-current three-phase synchronous injection of the synchronous injection of double fluid (the synchronous injection of double fluid and double fluid three are identical
Step is injected under the premise of not influencing coronary imaging effect, improves the contrast of atrium dextrum, is realized same in one image
When observation coronary artery and atrium dextrum, right ventricle).
As shown in Fig. 2, first push rod 4 is equipped with cavity in the present embodiment, the first ball screw 8 is located at the first push rod 4
Cavity in, second push rod 5 is equipped with cavity, and the second ball screw 10 is located in the cavity of the second push rod 5.First push rod 4
It is cylindrical with the cavity of the second push rod 5, it is formed with through hole in the middle part of the first ball nut 9 and the second ball nut 11, first
Ball screw 8 is partially accommodated in the cavity of the first push rod 4, and the second ball screw 10 is partially accommodated in the cavity of the second push rod 5
It is interior.
As shown in figure 3, first ball nut 9 end adjacent with the first push rod 4 is fixedly installed with first flange disk
12, second ball nut 11 end adjacent with the second push rod 5 is fixedly installed with second flange disk 13,4 He of the first push rod
Blind hole, first flange disk 12, second flange disk 13, the first ball nut 9 and the second ball nut 11 are offered on second push rod 5
Through-hole is offered, it is same to use with bolt successively by the first ball nut 9, first flange disk 12 and the first securely connection of push rod 4
Bolt successively will be by the second ball nut 11, second flange disk 13 and the second securely connection of push rod 5.Working principle: the first ball
Screw rod 8 is made rotating motion by the drive of the first stepper motor 6, and the first ball nut 9 moves along a straight line, to drive the first push rod
4 move along a straight line, and the second ball screw 10 is made rotating motion by the drive of second stepper motor 7, and the second ball nut 11 carries out
Linear motion, so that the second push rod 5 be driven to move along a straight line.The two secure engagement can be convenient for assembling with ring flange,
Substantially increase packaging efficiency.
In the present embodiment, the end that first ball screw 8 is connect with the first stepper motor 6 is connected with the first knob
14, the end that second ball screw 10 is connect with second stepper motor 7 is connected with the second knob 15.First knob 14 and
Two knobs 15 are exposed with outside high pressure injector ontology 1, convenient for can be manually rotated the first button and the second button, and make first
Ball screw 8 and the rotation of the second ball screw 10, by the first ball nut 9 and the second ball nut 11, drive first respectively
Push rod 4 and the second push rod 5 move, to draw band injecting fluid, drain the gas in syringe.
In the present embodiment, the side of the high pressure injector ontology 1 is rotatably connected to a bracket 16, and bracket 16 is opened for both ends
The cavity structure of mouth, the lower end of bracket 16 are fixedly connected with electrical box shield 17, and electrical box shield 17 is by being threadedly engaged connection
There is electrical box 18, electrical box 18 is cavity structure, and the surrounding bottom of electrical box shield 17 is equipped with medical service brake wheel 19.Cavity knot
The electrical box 18 of structure can accommodate some electrical equipments of installation, seem in appearance more beautiful, additionally it is possible to some spaces are saved,
It is threadedly coupled cooperation by the more abundant of space utilization, and by electrical box 18 and electrical box shield 17, first is that it is easy to disassemble, it is convenient
Maintaining electrical equipment is placed, second is that electrical box shield 17 can be very good the electric appliance in protection electrical box 18, prevents dust, liquid
It enters in electrical box 18.Medical service brake wheel 19 can make to move more convenient, light.
In the present embodiment, activity is cased with a medical tray 20 on the bracket 16.With plum blossom bolt by medical tray 20
Be locked on bracket 16, when needing pine, unscrew plum blossom bolt, by medical tray 20 it is down or up to after certain altitude again
Lock plum blossom bolt.Medical tray 20 can easily place some medical supplies in the use for above, facilitating medical staff very much.
In the present embodiment, the first stepping motor control module, second step are fixedly installed in the cavity of the electrical box 18
Into motor control module and power supply, the first stepping motor control module is electrically connected with the first stepper motor 6 with electric wire, the second stepping
Motor control module is electrically connected with second stepper motor 7 with electric wire, and electric wire is respectively positioned in the cavity structure of bracket 16, the first stepping
Motor control module and second stepper motor control module are electrically connected to a power source.Pass through the first stepping motor control module and
Two stepping motor control module respectively controls the first stepper motor 6 and second stepper motor 7, can be more preferable, more convenient
The first stepper motor of automatic control 6 and second stepper motor 7 operation.First stepping motor control module and the second stepping electricity
Machine control module is existing control module, and details are not described herein again.
In the present embodiment, it is additionally provided with operation panel 21 on high pressure injector ontology 1, is fixed on operation panel 21 for showing
Show the display screen 2101 of parameter and operation button 2102 is installed, display screen 2101 and power electric connection, operation button 2102
It is electrically connected with the first stepping motor control module and second stepper motor control module.Button can be used in operation button 2102
Row, is also possible to that the button connecting with the first stepping motor control module and second stepper motor control module is respectively set,
By setting operation panel 21 and operation button 2102, the dose of injection speed, injection drug can be controlled.The display
Shield 2101 preferred touch display screens 2101, to facilitate control.
In the present embodiment, the first sealing ring 22 is cased on first syringe 2, the first sealing ring 22 is located at the first syringe 2
Between the first connector inner wall, the second sealing ring 23 is cased on second syringe 3, the second sealing ring 23 is located at the second syringe
3 and second between connector inner wall.The presence of sealing ring first is that the contrast agent leakage in syringe in order to prevent, second is that make syringe with
Connector connects closer, prevents air and bacterium from entering in syringe, pollutes contrast agent, to influence final diagnosis and treatment effect
Fruit.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (9)
1. a kind of high pressure injector, it is characterised in that: including high pressure injector ontology (1), the first syringe (2), the second syringe
(3), the first push rod (4), the second push rod (5) are equipped with the first stepper motor (6), the inside the high pressure injector ontology (1)
Two stepping motor (7), first ball screw pair and the second ball screw assembly, the first stepper motor (6) and second stepper motor (7)
It is fixed on the top of high pressure injector ontology (1) side by side, first ball screw pair is connect with the first stepper motor (6), the second rolling
Ballscrew pair is connect with second stepper motor (7), and first ball screw pair is by the first ball screw (8), the first ball nut
(9) and the first ball composition, the surface of first ball screw (8) are equipped with the first screw thread ball with the first ball engagement
Slot, the first ball nut (9) is covered on the first ball screw (8) and is equipped with inside the first ball nut (9) to be rolled with the first screw thread
The corresponding second screw thread ball grooves of pearl slot, the first ball between the first ball screw (8) and the first ball nut (9),
First stepper motor (6) connect with the first ball screw (8), and the first push rod (4) one end is fixed on the first ball nut
(9) on, the other end of the first push rod (4), which is fixed with, is coupled first taper piston internal in the first syringe (2)
(401), the second ball screw assembly, is made of the second ball screw (10), the second ball nut (11) and the second ball, described
The surface of second ball screw (10) is equipped with the third screw thread ball grooves with the second ball engagement, and the second ball nut (11) covers
The 4th screw thread corresponding with third screw thread ball grooves is equipped on second ball screw (10) and inside the second ball nut (11)
Ball grooves, the second ball is between the second ball screw (10) and the second ball nut (11), the second stepper motor (7)
It is connect with the second ball screw (10), the second push rod (5) one end is fixed on the second ball nut (11), the second push rod (5)
The other end be fixed with and be coupled second taper piston (501) internal in the second syringe (3), the high pressure injector sheet
Body (1) lower part is equipped with the first connector and the second connector, and the threaded upper ends of first syringe (2) are connected to the first connector
Interior, the threaded upper ends of second syringe (3) are connected in the second connector.
2. a kind of high pressure injector according to claim 1, it is characterised in that: first push rod (4) is equipped with cavity, the
One ball screw (8) is located in the cavity of the first push rod (4), and second push rod (5) is equipped with cavity, the second ball screw (10)
In the cavity of the second push rod (5).
3. a kind of high pressure injector according to claim 2, it is characterised in that: first ball nut (9) and first
The adjacent end of push rod (4) is fixedly installed with first flange disk (12), with bolt successively by the first ball nut (9), the first method
Blue disk (12), the first push rod (4) are fixed together, and second ball nut (11) and the second push rod (5) adjacent end are solid
Dingan County is equipped with second flange disk (13), with bolt successively by the second ball nut (11), second flange disk (13), the second push rod
(5) it is fixed together.
4. a kind of high pressure injector according to claim 1, it is characterised in that: first ball screw (8) and first
The end of stepper motor (6) connection is connected with the first knob (14), second ball screw (10) and second stepper motor (7)
The end of connection is connected with the second knob (15).
5. a kind of high pressure injector according to claim 1, it is characterised in that: the one of the high pressure injector ontology (1)
Side is rotatably connected to a bracket (16), and bracket (16) is the cavity structure of both ends open, and the lower end of bracket (16) is fixedly connected with
Electrical box shield (17), electrical box shield (17) are connected with electrical box (18) by being threadedly engaged, and electrical box (18) is cavity knot
Structure, the surrounding bottom of electrical box shield (17) are equipped with medical service brake wheel (19).
6. a kind of high pressure injector according to claim 5, it is characterised in that: activity is cased with one on the bracket (16)
Medical tray (20).
7. a kind of high pressure injector according to claim 5, it is characterised in that: fixed in the cavity of the electrical box (18)
First stepping motor control module, second stepper motor control module and power supply be installed, the first stepping motor control module with
First stepper motor (6) is electrically connected with electric wire, and second stepper motor control module is electrically connected with second stepper motor (7) with electric wire
It connects, electric wire is respectively positioned in the cavity structure of bracket (16), the first stepping motor control module and second stepper motor control module
It is electrically connected to a power source.
8. a kind of high pressure injector according to claim 7, it is characterised in that: high pressure injector ontology is additionally provided on (1)
Operation panel (21) is fixed with the display screen (2101) for display parameters on operation panel (21) and is equipped with operation button
(2102), display screen is electrically connected to a power source, operation button (2102) and the first stepping motor control module and the second stepping electricity
The electrical connection of machine control module.
9. a kind of high pressure injector described in any one of -8 claims according to claim 1, it is characterised in that: first needle
Cylinder (2) on be cased with the first sealing ring (22), the first sealing ring (22) between the first syringe (2) and the first connector inner wall,
It is cased with the second sealing ring (23) on second syringe (3), the second sealing ring (23) is located at the second syringe (3) and the second connector
Between inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192550.6U CN209611876U (en) | 2019-02-12 | 2019-02-12 | A kind of high pressure injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920192550.6U CN209611876U (en) | 2019-02-12 | 2019-02-12 | A kind of high pressure injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209611876U true CN209611876U (en) | 2019-11-12 |
Family
ID=68453430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920192550.6U Expired - Fee Related CN209611876U (en) | 2019-02-12 | 2019-02-12 | A kind of high pressure injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209611876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114404727A (en) * | 2021-12-29 | 2022-04-29 | 江苏普迈思医疗科技有限公司 | Portable single-channel injection pump and using method thereof |
-
2019
- 2019-02-12 CN CN201920192550.6U patent/CN209611876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114404727A (en) * | 2021-12-29 | 2022-04-29 | 江苏普迈思医疗科技有限公司 | Portable single-channel injection pump and using method thereof |
| CN114404727B (en) * | 2021-12-29 | 2023-08-18 | 江苏普迈思医疗科技有限公司 | Portable single-channel injection pump and application method thereof |
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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: 20191112 Termination date: 20220212 |