CN110464632A - A kind of children's ear-nose-throat department washer - Google Patents
A kind of children's ear-nose-throat department washer Download PDFInfo
- Publication number
- CN110464632A CN110464632A CN201910784607.6A CN201910784607A CN110464632A CN 110464632 A CN110464632 A CN 110464632A CN 201910784607 A CN201910784607 A CN 201910784607A CN 110464632 A CN110464632 A CN 110464632A
- Authority
- CN
- China
- Prior art keywords
- children
- shell
- nose
- ear
- negative pressure
- 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.)
- Withdrawn
Links
- 239000003814 drug Substances 0.000 claims abstract description 52
- 229940079593 drug Drugs 0.000 claims abstract description 37
- 238000007599 discharging Methods 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims description 25
- 238000005086 pumping Methods 0.000 claims description 14
- 238000003491 array Methods 0.000 claims 1
- 210000003928 nasal cavity Anatomy 0.000 abstract description 25
- 239000012530 fluid Substances 0.000 abstract description 16
- 238000004140 cleaning Methods 0.000 abstract description 10
- 210000001331 nose Anatomy 0.000 abstract description 8
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 206010038743 Restlessness Diseases 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H35/00—Baths for specific parts of the body
- A61H35/04—Baths for specific parts of the body for the nose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/10—Characteristics of apparatus not provided for in the preceding codes with further special therapeutic means, e.g. electrotherapy, magneto therapy or radiation therapy, chromo therapy, infrared or ultraviolet therapy
- A61H2201/105—Characteristics of apparatus not provided for in the preceding codes with further special therapeutic means, e.g. electrotherapy, magneto therapy or radiation therapy, chromo therapy, infrared or ultraviolet therapy with means for delivering media, e.g. drugs or cosmetics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1253—Driving means driven by a human being, e.g. hand driven
Abstract
The invention discloses a kind of children's ear-nose-throat department washers, are related to the field of medical instrument technology comprising shell, the left side of the shell is connected with sliding sleeve, slide bar is socketed in the sliding sleeve, the left end of the slide bar is fixedly connected with pressing plate, and the right end of the slide bar is fixedly connected with piston.Children's ear-nose-throat department washer, pass through air bag, drug discharging tube, the mutual cooperation of negative pressure device and connecting tube and pressing plate, people will be in the nasal cavity of drug discharging tube insertion children first, then people press negative pressure ball, negative pressure ball just can be inflated air bag by connecting tube and gas tube, just air bag can be made to heave, the inner wall of air bag and nasal cavity is set to fit, then people press pressing plate repeatedly again, move pressing plate band piston, clean medical fluid to nasal cavity by drug discharging tube ejection, just can be avoided cleaning when there is a situation where noses of choking, improve the comfort for the treatment of, reduce the work difficulty of medical worker.
Description
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of children's ear-nose-throat department washer.
Background technique
Medical instrument refers to instrument, equipment, utensil, external diagnosis reagent and the calibration for being directly or indirectly used for human body
Object, material and other similar or relevant article, including required computer software, in ear-nose-throat department to the nose of children
When chamber is cleaned, washer will use, existing washer does not have the function of protection, carries out in the nasal cavity to children clear
When washing, cleaning solution may make children during spraying, and there is a situation where noses of choking, and cause discomfort to children, can make children
Restless, to also will increase the work difficulty of medical worker, therefore, it is difficult to meet people's needs.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of children's ear-nose-throat department washers, solve existing clear
The function that device does not have protection is washed, when the nasal cavity to children cleans, cleaning solution may make children during spraying
There is a situation where noses of choking, and cause discomfort to children, children can be made to occur restless, to also will increase the work difficulty of medical worker
The problem of.
(2) technical solution
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of children's ear-nose-throat department washer, including shell
Body, the left side of the shell are connected with sliding sleeve, and slide bar is socketed in the sliding sleeve, and the left end of the slide bar is fixedly connected with pressure
Plate, the right end of the slide bar are fixedly connected with piston, the two sides up and down of the piston respectively with the two sides up and down of inner walls
Face overlap joint, the surface of the slide bar are socketed with spring, and the right end of the spring is fixedly connected on the left side of sliding sleeve, the spring
Left end be fixedly connected on the right side side of pressing plate.
The upper surface of the shell is provided with liquid reserve tank, and the lower surface of the liquid reserve tank is provided with pumping equipment, the row
The other end of liquid device is connected with the upper surface of shell, and the right side of the shell is connected with the left end of drug discharging tube, described
The surface of drug discharging tube offers several medicine outlet holes, and the surface of the drug discharging tube is fixedly connected with air bag, the shape of the air bag
For annular, the left side of the air bag is connected with one end of gas tube, and the back side of gas tube is respectively fixedly connected in shell
With the surface of drug discharging tube, the other end of the gas tube is provided with pipe sleeve, and negative pressure device, the negative pressure are socketed in the pipe sleeve
The right side of handle is arranged in the right side of device, and the upper surface of the handle is fixedly connected on the lower surface of shell.
Preferably, the negative pressure device includes negative pressure ball, and the right side of handle is arranged in the surface of the negative pressure ball, described
Negative pressure ball is connected with one end of connecting tube, and the other end of the connecting tube is socketed in the inside of pipe sleeve.
Preferably, the pumping equipment includes drain pipe, and the drain pipe is provided with the lower surface of liquid reserve tank, the drain
The surface of pipe is provided with valve, and the other end of the drain pipe is connected with the upper surface of shell.
Preferably, the surface of the drug discharging tube is provided with the second scale, and the right end of the drug discharging tube is arc setting.
Preferably, the front of the liquid reserve tank is provided with the first scale, and the upper surface of the liquid reserve tank is provided with case lid.
Preferably, the shape of the medicine outlet hole be circle, and several medicine outlet holes about drug discharging tube right side in a ring
Array.
(3) beneficial effect
The beneficial effects of the present invention are:
1, children's ear-nose-throat department washer, passes through the phase interworking of air bag, drug discharging tube, negative pressure device and connecting tube and pressing plate
It closes, people are by the nasal cavity of drug discharging tube insertion children first, and then people press negative pressure ball, and negative pressure ball just can pass through connecting tube
Air bag is inflated with gas tube, just air bag can be made to heave, so that the inner wall of air bag and nasal cavity is fitted, then people are anti-again
Pressing plate is pressed again, is moved pressing plate band piston, is cleaned medical fluid to nasal cavity by drug discharging tube ejection, just can keep away
Exempt from cleaning when there is a situation where noses of choking, improve the comfort for the treatment of, reduce the work difficulty of medical worker.
2, children's ear-nose-throat department washer, by the way that spring is arranged, when people unclamp pressing plate, spring is due to itself at this time
Elastic force will drive slide bar and be moved to the left, so as to reset pressing plate, people is facilitated to press pressing plate repeatedly, continues medical fluid not
Nasal cavity is cleaned in disconnected ejection, by the way that pumping equipment is arranged, when people open the valve in pumping equipment, just can make
Medical fluid in liquid reserve tank flows into shell through drain pipe, is annular array setting by setting medicine outlet hole, medical fluid can be made from out
The surrounding of pencil sprays, and keeps medical fluid more preferable to the cleaning effect of nasal cavity.
3, children's ear-nose-throat department washer can facilitate people's observation use in cleaning by the way that the first scale is arranged
Liquid volume, by be arranged case lid, can be avoided medical fluid and spill out of liquid reserve tank, to avoid medical fluid from wasting, by setting
The second scale is set, the second scale can facilitate people to observe the depth of drug discharging tube insertion nasal cavity, avoid drug discharging tube from being inserted into too deep
The nasal cavity for damaging children, by the way that handle is arranged, handle can facilitate people to hold shell, to facilitate people to the nose of children
Chamber is cleaned.
Detailed description of the invention
Fig. 1 is the formal the schematic diagram of the section structure of the present invention；
Fig. 2 is the structural schematic diagram that the present invention faces；
Fig. 3 is the structural schematic diagram of part A of the present invention amplification；
Fig. 4 is the structural schematic diagram of pumping equipment of the present invention amplification.
In figure: 1 shell, 2 sliding sleeves, 3 slide bars, 4 pistons, 5 pressing plates, 6 springs, 7 liquid reserve tanks, 8 pumping equipments, 81 drain pipes,
82 valves, 9 first scales, 10 case lids, 11 drug discharging tubes, 12 air bags, 13 gas tubes, 14 medicine outlet holes, 15 pipe sleeves, 16 negative pressure devices,
161 negative pressure balls, 162 connecting tubes, 17 handles, 18 second scales.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs 1-4, the present invention provides a kind of technical solution: a kind of children's ear-nose-throat department washer, including shell 1,
The left side of shell 1 is connected with sliding sleeve 2, slide bar 3 is socketed in sliding sleeve 2, the left end of slide bar 3 is fixedly connected with pressing plate 5, by setting
Pressing plate 5 is set, when people's pressing pressing plate 5 repeatedly, pressing plate 5 is mobile to be will drive slide bar 3 and moved, and slide bar 3 will drive piston 4
It is moved, so as to spray medical fluid by drug discharging tube 11 and from medicine outlet hole 14, just nasal cavity can be cleaned repeatedly,
The right end of slide bar 3 is fixedly connected with piston 4, and the two sides up and down of piston 4 are overlapped with the two sides up and down of 1 inner wall of shell respectively,
The surface of slide bar 3 is socketed with spring 6, by the way that spring 6 is arranged, when people unclamp pressing plate 5, and bullet of the spring 6 due to itself at this time
Power will drive slide bar 3 and be moved to the left, and so as to reset pressing plate 5, facilitates people to press pressing plate 5 repeatedly, continues medical fluid not
Nasal cavity is cleaned in disconnected ejection, and the right end of spring 6 is fixedly connected on the left side of sliding sleeve 2, and the left end of spring 6 is fixedly connected
In the right side side of pressing plate 5.
The upper surface of shell 1 is provided with liquid reserve tank 7, and the front of liquid reserve tank 7 is provided with the first scale 9, the upper table of liquid reserve tank 7
Face is provided with case lid 10, by the way that the first scale 9 is arranged, the liquid volume that people's observation can be facilitated to use in cleaning, by setting
Case lid 10 is set, medical fluid is can be avoided and spills out of liquid reserve tank 7, so that medical fluid is avoided to waste, the lower surface setting of liquid reserve tank 7
There is pumping equipment 8, the other end of pumping equipment 8 is connected with the upper surface of shell 1, and pumping equipment 8 includes drain pipe 81, drain
Pipe 81 is provided with the lower surface of liquid reserve tank 7, and the surface of drain pipe 81 is provided with valve 82, the other end and shell 1 of drain pipe 81
Upper surface be connected, by be arranged pumping equipment 8, when people open pumping equipment 8 in valve 82 when, just can make liquid storage
Medical fluid in case 7 flows into shell 1 through drain pipe 81, and the right side of shell 1 is connected with the left end of drug discharging tube 11, drug discharging tube 11
Surface be provided with the second scale 18, the right end of drug discharging tube 11 is arc setting, passes through the second scale 18 of setting, the second scale 18
People can be facilitated to observe the depth that drug discharging tube 11 is inserted into nasal cavity, the nasal cavity for the too deep damage children for avoiding drug discharging tube 11 from being inserted into,
The surface of drug discharging tube 11 offers several medicine outlet holes 14, and the shape of medicine outlet hole 14 is circle, and several medicine outlet holes 14 about
The right side circular array of drug discharging tube 11 is annular array setting by setting medicine outlet hole 14, medical fluid can be made from drug discharging tube
11 surrounding sprays, and keeps medical fluid more preferable to the cleaning effect of nasal cavity, the surface of drug discharging tube 11 is fixedly connected with air bag 12, air bag 12
Shape be annular, the left side of air bag 12 is connected with one end of gas tube 13, and the back side of gas tube 13 fixed company respectively
It connects on the surface of shell 1 and drug discharging tube 11, the other end of gas tube 13 is provided with pipe sleeve 15, is socketed with negative pressure device in pipe sleeve 15
16, negative pressure device 16 includes negative pressure ball 161, and the right side of handle 17, negative pressure ball 161 and company is arranged in the surface of negative pressure ball 161
One end of adapter tube 162 is connected, and the other end of connecting tube 162 is socketed in the inside of pipe sleeve 15, by the way that negative pressure device 16 is arranged, when
When drug discharging tube 11 is inserted into the nasal cavity of children by people, then people press negative pressure ball 161, and negative pressure ball 161 just can pass through company
Adapter tube 162 and gas tube 13 are inflated air bag 12, just air bag 12 can be made to heave, and are affixed air bag 12 and the inner wall of nasal cavity
It closes, nasal cavity is blocked, just can be avoided in cleaning there is a situation where nose of choking, the right side setting of negative pressure device 16 is in one's hands
17 right side, by the way that handle 17 is arranged, handle 17 can facilitate people to hold shell 1, to facilitate people to children
Nasal cavity cleaned, the upper surface of handle 17 is fixedly connected on the lower surface of shell 1.
Operating procedure of the invention are as follows:
S1, first people hold handle 17, drug discharging tube 11 are inserted into the nasal cavity of children, and are determined according to scale slotting
The depth entered, then people press negative pressure ball 161, and negative pressure ball 161 just can be by connecting tube 162 and gas tube 13 to air bag 12
It is inflated, just air bag 12 can be made to heave, so that air bag 12 and the inner wall of nasal cavity is fitted, nasal cavity is blocked, just can
Avoid nose of choking in cleaning；
S2, later people open valve 82, flow into the medical fluid in liquid reserve tank 7 in shell 1, the then pressing of people repeatedly
Pressing plate 5, the movement of pressing plate 5 will drive slide bar 3 and moved, and slide bar 3 will drive piston 4 and be moved repeatedly, so as to make medicine
Liquid is sprayed by drug discharging tube 11 and from medicine outlet hole 14, just can be cleaned to nasal cavity.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (6)
1. a kind of children's ear-nose-throat department washer, including shell (1), it is characterised in that: the left side of the shell (1) is connected with
Sliding sleeve (2), the sliding sleeve (2) is interior to be socketed with slide bar (3), and the left end of the slide bar (3) is fixedly connected with pressing plate (5), the cunning
The right end of bar (3) is fixedly connected with piston (4), the two sides up and down of the piston (4) respectively with shell (1) inner wall up and down two
Side overlap joint, the surface of the slide bar (3) are socketed with spring (6), and the right end of the spring (6) is fixedly connected on sliding sleeve (2)
The left end of left side, the spring (6) is fixedly connected on the right side side of pressing plate (5)；
The upper surface of the shell (1) is provided with liquid reserve tank (7), and the lower surface of the liquid reserve tank (7) is provided with pumping equipment
(8), the other end of the pumping equipment (8) is connected with the upper surface of shell (1), the right side of the shell (1) and drug
The left end of pipe (11) is connected, and the surface of the drug discharging tube (11) offers several medicine outlet holes (14), the drug discharging tube (11)
Surface be fixedly connected with air bag (12), the shape of the air bag (12) is annular, the left side of the air bag (12) and inflation
One end of pipe (13) is connected, and the back side of gas tube (13) is respectively fixedly connected on the surface of shell (1) and drug discharging tube (11),
The other end of the gas tube (13) is provided with pipe sleeve (15), is socketed with negative pressure device (16) in the pipe sleeve (15), described negative
The right side of pressure device (16) is arranged in the right side of handle (17), and the upper surface of the handle (17) is fixedly connected on shell
(1) lower surface.
2. a kind of children's ear-nose-throat department washer according to claim 1, it is characterised in that: negative pressure device (16) packet
It includes negative pressure ball (161), the surface setting of the negative pressure ball (161) is in the right side of handle (17), the negative pressure ball (161) and company
One end of adapter tube (162) is connected, and the other end of the connecting tube (162) is socketed in the inside of pipe sleeve (15).
3. a kind of children's ear-nose-throat department washer according to claim 1, it is characterised in that: pumping equipment (8) packet
It includes drain pipe (81), the drain pipe (81) is provided with the lower surface of liquid reserve tank (7), and the surface of the drain pipe (81) is provided with
The other end of valve (82), the drain pipe (81) is connected with the upper surface of shell (1).
4. a kind of children's ear-nose-throat department washer according to claim 1, it is characterised in that: the table of the drug discharging tube (11)
Face is provided with the second scale (18), and the right end of the drug discharging tube (11) is arc setting.
5. a kind of children's ear-nose-throat department washer according to claim 1, it is characterised in that: the liquid reserve tank (7) is just
Face is provided with the first scale (9), and the upper surface of the liquid reserve tank (7) is provided with case lid (10).
6. a kind of children's ear-nose-throat department washer according to claim 1, it is characterised in that: the shape of the medicine outlet hole (14)
Shape is round, and several the right side circular arrays of medicine outlet hole (14) about drug discharging tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784607.6A CN110464632A (en) | 2019-08-23 | 2019-08-23 | A kind of children's ear-nose-throat department washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784607.6A CN110464632A (en) | 2019-08-23 | 2019-08-23 | A kind of children's ear-nose-throat department washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110464632A true CN110464632A (en) | 2019-11-19 |
Family
ID=68513730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910784607.6A Withdrawn CN110464632A (en) | 2019-08-23 | 2019-08-23 | A kind of children's ear-nose-throat department washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110464632A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494786A (en) * | 2020-04-29 | 2020-08-07 | 柳宽河 | General surgery wound cleaning device and using method |
| CN111888240A (en) * | 2020-08-26 | 2020-11-06 | 宋玉霞 | Nasal cavity cleaning device for internal medicine nursing |
| CN112618337A (en) * | 2020-12-18 | 2021-04-09 | 河南科技大学第一附属医院 | Nasal cavity purger is used in general medical treatment |
| CN114010493A (en) * | 2021-11-16 | 2022-02-08 | 王晨晨 | Pediatric nasal cavity cleaning device for infants |
| CN114681774A (en) * | 2022-03-02 | 2022-07-01 | 郑州大学第一附属医院 | Nasal spray glucocorticoid drug administration device used after nasal sinus operation |
| CN115178524A (en) * | 2022-07-01 | 2022-10-14 | 吉林大学中日联谊医院 | Cleaning device and cleaning method for paranasal sinus endoscopy |
-
2019
- 2019-08-23 CN CN201910784607.6A patent/CN110464632A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494786A (en) * | 2020-04-29 | 2020-08-07 | 柳宽河 | General surgery wound cleaning device and using method |
| CN111888240A (en) * | 2020-08-26 | 2020-11-06 | 宋玉霞 | Nasal cavity cleaning device for internal medicine nursing |
| CN112618337A (en) * | 2020-12-18 | 2021-04-09 | 河南科技大学第一附属医院 | Nasal cavity purger is used in general medical treatment |
| CN112618337B (en) * | 2020-12-18 | 2023-04-25 | 河南科技大学第一附属医院 | Nasal cavity cleaner is used in general medical treatment |
| CN114010493A (en) * | 2021-11-16 | 2022-02-08 | 王晨晨 | Pediatric nasal cavity cleaning device for infants |
| CN114681774A (en) * | 2022-03-02 | 2022-07-01 | 郑州大学第一附属医院 | Nasal spray glucocorticoid drug administration device used after nasal sinus operation |
| CN115178524A (en) * | 2022-07-01 | 2022-10-14 | 吉林大学中日联谊医院 | Cleaning device and cleaning method for paranasal sinus endoscopy |
| CN115178524B (en) * | 2022-07-01 | 2023-05-05 | 吉林大学中日联谊医院 | Cleaning device and cleaning method for paranasal sinus endoscope operation |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191119 |
|
| WW01 | Invention patent application withdrawn after publication |