CN110432954A - The puncture outfit of tape identification system - Google Patents
The puncture outfit of tape identification system Download PDFInfo
- Publication number
- CN110432954A CN110432954A CN201810422367.0A CN201810422367A CN110432954A CN 110432954 A CN110432954 A CN 110432954A CN 201810422367 A CN201810422367 A CN 201810422367A CN 110432954 A CN110432954 A CN 110432954A
- Authority
- CN
- China
- Prior art keywords
- sheath
- puncture outfit
- mark
- tape identification
- mark system
- 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.)
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Links
- 238000001356 surgical procedure Methods 0.000 abstract description 23
- 210000000683 abdominal cavity Anatomy 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 13
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 210000002784 stomach Anatomy 0.000 description 22
- 238000010586 diagram Methods 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 7
- 238000007912 intraperitoneal administration Methods 0.000 description 6
- 238000002357 laparoscopic surgery Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010330 laser marking Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 210000001015 abdomen Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002991 molded plastic Substances 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The puncture outfit of the tape identification system of the present invention is containing puncturing lever, sheath and mark system.Mark system is scale mark system or colour code tagging system.Mark system is arranged on puncturing lever or sheath, along the axial distribution of puncturing lever or sheath.In the puncture outfit puncture process of the tape identification system of the present invention, it can easily judge that the puncture outfit of tape identification system enters the depth in abdominal cavity by observation scale mark system or colour code tagging system, or resetted after sheath displacement, surgical procedure is more conveniently, safely.
Description
Technical field
The present invention relates to a kind of laparoscopically surgical operation instruments, puncture more particularly to used in laparoscopic surgery
Device.
Background technique
Laparoscopic surgery is more and more widely used, and in order to avoid hospital-acquired infection, is used in laparoscopic surgery
Disposable puncture device (Trocar) dosage it is also increasing, on the basis of guaranteeing service performance, reduce surgical instrument exist
Risk in puncture outfit, improves the security performance in product puncture process, this trend has become the improved direction of puncture outfit.
The sheath of puncture outfit, which needs to pierce through in use stomach wall and enters abdominal cavity, could establish channel, make surgical instrument logical
Sheath is crossed to perform the operation intraperitoneal.In the course of surgery, sheath needs are good is fixed on stomach wall, but cannot influence again
Surgical instrument is in intraperitoneal movement, and therefore, sheath is inserted into depth having gone on smoothly very to surgical procedure in stomach wall
Important role, too deep easy influence surgical instrument is too shallow and be easy to fall off from stomach wall in intraperitoneal movement, thus
Going on smoothly for operation is influenced, therefore needs to observe the depth of puncture outfit and puncture outfit sheath insertion stomach wall in the course of surgery in real time
Degree.
Currently, the depth of observation puncture outfit sheath insertion stomach wall is usually to be judged according to the experience of doctor, lack clear
Marker, be very easy to erroneous judgement, to overcome drawbacks described above, need to improve existing puncture outfit.
Summary of the invention
It is an object of the invention to solve existing puncture outfit, sheath insertion abdominal cavity depth is not easy to observe, sentences in use
Disconnected and positioning problem, approach are by the way that mark system, surgical procedure are arranged on the puncture outfit of the tape identification system of the present invention
In, the sheath of puncture outfit can be intuitively judged very much by scale, color or the other markers in observation mark system
Depth in insertion stomach wall can intuitively be observed, judged and repositioned by the confirmation of marker in the course of surgery very much
The position of puncture outfit, so that surgical procedure is safer.
The puncture outfit of the tape identification system of the present invention, it is characterised in that: the puncture outfit 100 of the tape identification system is containing puncture
Bar 1, sheath 2 and mark system 3；The mark system 3 can mark the puncture outfit 100 of the tape identification system to enter human body
Depth.
The puncture outfit that the mark system 3 can intuitively identify the tape identification system of the present invention enters in human body stomach wall
Depth, in surgical procedure, doctor only needs to observe the markers such as the corresponding scale of the mark system 3, color in real time can
To know that the sheath 2 enters intraperitoneal depth.
The mark system 3 is arranged in the sheath 2.Since in surgical procedure, the needs of sheath 2 are permanently affixed to
On stomach wall, therefore, the mark system 3 is arranged in the sheath 2, it is ensured that can directly see in entire surgical procedure
Observe the depth that the sheath 2 enters abdominal cavity.When the sheath 2 of puncture outfit is displaced, according to the corresponding sheath 2 of skin
On the markers such as scale, the color of mark system 3 position, so that it may easily reposition the sheath 2, keep original institute
State the depth that sheath 2 enters stomach wall.
The mark system 3 is arranged in the outside or inside or sheath tube wall of the sheath 2；3 edge of mark system
The axial setting of the sheath 2.The mark system 3 can be graduated scale, by printing or directly mold carve characters injection molding or
Laser marking the modes such as is pasted and is arranged on outside or the inner surface of the sheath 2, can also be by inlaying or whole
The modes such as injection molding are arranged in the tube wall of the sheath 2.Applicant lists above-mentioned several set-up modes at this, this field
Technical staff can take other mark system set-up modes as needed, all without departing from the claimed range of the application.
Axial direction setting of the mark system 3 along the sheath 2, it is ensured that the label orientation and the sheath 2 of the mark system 3
The direction of motion be consistent, in the motion process of the sheath 2 can real-time perfoming observe the sheath 2 and come into abdomen
The depth of chamber.It, can be with after the completion of laparoscopic surgery in addition, the graduated scale for the mark system 3 being arranged in the sheath 2
The measuring tool of tumor tissues sample size as measurement excision, facilitates doctor to write into row operation record.
The mark system 3 is arranged on the puncturing lever 1.The puncturing lever 1 can also be arranged in the mark system 3
On, transparent sheath is made in the sheath 2, can observe the mark system 3 on the puncturing lever 1 through the sheath 2.Cause
In puncture process, the end of the puncturing lever 1 needs to be exposed to outside the sheath 2, therefore, sets on the puncturing lever 1
The mark system 3 is set, the depth that the puncturing lever 1 enters abdominal cavity can be observed directly, so that the puncturing lever 1 be avoided to exist
Intraperitoneal organ-tissue is accidentally injured in puncture process, product is safer when using.Equally, the mark system on the puncturing lever 1
The graduated scale of system 3 is also used as the measurement work of the tumor tissues sample size of measurement excision after the completion of laparoscopic surgery
Tool, facilitates doctor to write into row operation record.
The mark system 3 is arranged in the outside or inside or puncturing lever wall of the puncturing lever 1；The mark system
3 are arranged along the axial of the puncturing lever 1.The mark system 3 can by printing or directly mold carve characters injection molding or laser
Mark the various modes such as is pasted and is arranged on outside or the inner surface of the puncturing lever 1, can also be by inlaying or whole
The modes such as body injection molding are arranged in the bar wall of the puncturing lever 1.Applicant lists above-mentioned several set-up modes, ability at this
The technical staff in domain can take other mark system set-up modes as needed, all without departing from the claimed model of the application
It encloses.Axial direction setting of the mark system 3 along the puncturing lever 1, it is ensured that the label orientation of the mark system 3 and described
The direction of motion of puncturing lever 1 is consistent, and can observe the puncturing lever 1 in real time in the motion process of the puncturing lever 1
Through the depth for entering abdominal cavity.
The mark system 3 is scale mark system 31.The scale mark system 31, by the puncturing lever 1 or
Direct reference mark in the sheath 2, it is described by directly reading in 100 puncture process of puncture outfit of the tape identification system
Scale number in scale mark system 31 is it is known that the puncture outfit 100 of the tape identification system enters the depth in abdominal cavity.
And the scale mark system 31 is in art or the postoperative gage that is also used as measures sample, and doctor is facilitated to carry out hand
The quantitative record of art process.
The mark system 3 is colour code tagging system 32.The colour code tagging system 32 carries out sounding mark by color,
In the course of surgery, as long as observing the color of the colour code tagging system 32, so that it may intuitively judge very much the tape identification
The puncture outfit 100 of system enters the depth in abdominal cavity, more convenient to use.
Applicant lists two kinds of mark systems of scale and colour code at this, and those skilled in the art can according to need
Various other mark systems are designed, or different mark systems is combined, all without departing from the protection model of the application
It encloses.
The puncture outfit of the tape identification system of the present invention is containing puncturing lever 1, sheath 2 and mark system 3.The mark system 3 is
Scale mark system 31 or colour code tagging system 32 or their combination.The mark system 3 is arranged in the puncturing lever 1 or institute
It states in sheath 2, along the axial distribution of the puncturing lever 1 or the sheath 2.The puncture outfit of the tape identification system of the present invention punctures through
Cheng Zhong can easily judge the tape identification system by observing the scale mark system 31 or colour code tagging system 32
After the puncture outfit 100 of system enters the depth or the displacement of the sheath 2 in abdominal cavity, repositioned, so that surgical procedure is more pacified
Entirely, conveniently.
Detailed description of the invention
Fig. 1 is the structural representation of the sheath of the puncture outfit of the tape identification system for the present invention for being provided with scale mark system
Figure.
Fig. 2 is the structural representation of the sheath of the puncture outfit of the tape identification system for the present invention for being provided with colour code tagging system
Figure.
Fig. 3 is the structural representation of the puncturing lever of the puncture outfit of the tape identification system for the present invention for being provided with scale mark system
Figure.
Fig. 4 is the structural representation of the puncturing lever of the puncture outfit of the tape identification system for the present invention for being provided with colour code tagging system
Figure.
Fig. 5 is that the puncture outfit puncture stomach wall for the tape identification system that the scale mark system present invention is provided in sheath enters abdomen
Operation schematic diagram after chamber.
Fig. 5-1 is that sheath is fixed on the operation schematic diagram on stomach wall after Fig. 5 puncturing lever takes out.
Fig. 6 is that the puncture outfit puncture stomach wall for the tape identification system that the colour code tagging system present invention is provided in sheath enters abdomen
Operation schematic diagram after chamber.
Fig. 6-1 is that sheath is fixed on the operation schematic diagram on stomach wall after Fig. 6 puncturing lever takes out.
Fig. 7 is that the puncture outfit for the tape identification system that the scale mark system present invention is provided on puncturing lever pierces through stomach wall entrance
Operation schematic diagram behind abdominal cavity.
Fig. 8 be the tape identification system that the colour code tagging system present invention is provided on puncturing lever puncture outfit pierce through stomach wall into
Operation schematic diagram after entering abdominal cavity.
The knot of the puncture outfit of the tape identification system for the present invention that Fig. 9 is scale mark system and colour code tagging system is combined
Structure schematic diagram.
In above-mentioned figure:
100 be the puncture outfit of the tape identification system of the present invention.
1 is puncturing lever, and 2 be sheath, and 3 be mark system, and 4 be stomach wall.
31 be scale mark system, and 31-1 is scale；32 be colour code tagging system.
Specific embodiment
Embodiment 1: the puncture outfit of the tape identification system of the present invention of scale mark system is provided in sheath
With reference to Fig. 1 and Fig. 5, the puncture outfit of the tape identification system of the present embodiment is containing puncturing lever 1, sheath 2 and mark system 3；
The mark system 3 can mark the puncture outfit 100 of the tape identification system into the depth of human body.
In the present embodiment, the mark system 3 is arranged in described along the mode axially through laser marking of the sheath
The outside of sheath 2.
The mark system 3 can also be carved characters by stickup, printing, direct mold injection molding etc. various modes be arranged in it is described
The outside of sheath 2, or by paste or laser marking or directly mold carve characters injection molding etc. various modes the sheath 2 is set
It, can also be by inlaying or the modes such as integral molded plastic are arranged in the tube wall of the sheath 2 on inner surface.The skill of this field
Art personnel can also design various other technical solutions without departing from the protection scope of the application as needed.
The mark system 3 along the sheath 2 axial direction setting, it is ensured that the label orientation of the mark system 3 and
The direction of motion of the sheath 2 is consistent, being capable of the real-time perfoming observation sheath 2 in the motion process of the sheath 2
Come into the depth in abdominal cavity.
In the present embodiment, the mark system 3 is scale mark system 31.Pass through laser marking on 2 outside of sheath
It is marked with scale 31-1.
In use, after the puncture outfit 100 of the tape identification system pierces through stomach wall 4 under the puncture effect of the puncturing lever 1
It is according to the needs of surgical procedure, the puncture outfit 100 of the tape identification system is fixed in place into abdominal cavity, reference
Fig. 5.The puncturing lever 1 is extracted, surgical instrument enters abdominal cavity from the channel of the sheath 2 and performs the operation, with reference to Fig. 5-1.Hand
During art, doctor passes through the scale observed on the outside of the sheath 2 in real time judges whether the sheath 2 occurs in the course of surgery
Displacement.The sheath 2 as described in surgical procedure is displaced, and can be repositioned in time by the mark system 3, will be described
Sheath 2 adjusts go back to the position for starting setting, guarantees going on smoothly for operation.
It after the completion of operation, such as needs to measure the tissue of taking-up, the sheath 2 can be regard as gage, facilitate doctor
The raw sample real-time perfoming to taking-up measures, and greatly facilitates the completion of the operation record of doctor.
The mark system 3 is provided on the puncture outfit of the tape identification system of the present embodiment, in surgical procedure, by direct
The depth that sheath is inserted into stomach wall can intuitively be judged very much by observing the scale in the mark system 3, and surgical procedure is more
Add safety.
Embodiment 2: the puncture outfit of the tape identification system of the present invention of colour code tagging system is provided in sheath
Referring to figs. 2 and 6, the present embodiment the difference from embodiment 1 is that, in the present embodiment, the mark system 3 is color
Mark tagging system 32.
The colour code tagging system 32 marks the depth of the sheath 2 by the different depth of different color or color
Degree.
In the present embodiment, the outside of the sheath 2 or interior is arranged in by thermal transfer mode in the colour code tagging system 32
Side surface.The colour code tagging system 32 can also be arranged in the tube wall of the sheath 2 by integral molded plastic.
In use, after the puncture outfit 100 of the tape identification system pierces through stomach wall 4 under the puncture effect of the puncturing lever 1
It is according to the needs of surgical procedure, the puncture outfit 100 of the tape identification system is fixed in place into abdominal cavity, reference
Fig. 6.The puncturing lever 1 is extracted, surgical instrument enters abdominal cavity from the channel of the sheath 2 and performs the operation, with reference to Fig. 6-1.
In the present embodiment, doctor only needs the color by observing the colour code tagging system 32 can in the course of surgery
It is simpler by observing the scale 31-1 than in embodiment 1 easily to judge whether the sheath 2 is shifted
Singly, conveniently.
Embodiment 3: the puncture outfit of the tape identification system of the present invention of mark system is provided on puncturing lever
With reference to figs. 2 and 7, the present embodiment the difference from embodiment 1 is that, in the present embodiment, the mark system 3 is arranged
On the puncturing lever 1.
In the present embodiment, the mark system 3 is scale mark system 31.The scale mark system 31 is beaten by laser
Mark is along the outside for being axially disposed within the puncturing lever 1 of the puncturing lever 1.The mark system 3 can with can by printing,
Direct mold various modes such as injection molding of carving characters are arranged on outside or the inner surface of the puncturing lever 1, can also by inlaying,
The modes such as integral molded plastic are arranged in the bar wall of the puncturing lever 1.Applicant lists above-mentioned several set-up modes at this, this
The technical staff in field can take other mark system set-up modes as needed, all claimed without departing from the application
Range.
In the present embodiment, the tube wall 21 of the sheath 2 is made of transparent material, can be convenient on the puncturing lever 1
Mark system 3 observed.
With reference to Fig. 7, in use, the puncture outfit 100 of the tape identification system pierces through under the puncture effect of the puncturing lever 1
Enter abdominal cavity after stomach wall 4, passes through the puncture outfit for observing the scale 31-1 on the puncturing lever 1 to judge the tape identification system
100 enter the depth of the stomach wall 4.
Since in puncture process, 1 end of puncturing lever can be exposed to the outside of the sheath 2, therefore, by observing institute
Stating the scale 31-1 on puncturing lever 1 can directly judge that the puncturing lever 1 enters the depth in abdominal cavity, to avoid described wear
Thorn stick 1 accidentally injures intraperitoneal organ-tissue in puncture process, therefore the mark system 3 is arranged described in the present embodiment
On puncturing lever 1, operation puncturing process can be made safer.
And in the course of surgery, when doctor needs to carry out dimensional measurement to the tissue specimen of taking-up, taking-up can be used
The puncturing lever 1 afterwards measures, and greatly facilitates the surgical procedure record of doctor.
In the present embodiment, the mark system 3 being arranged on the puncturing lever 1 is scale mark system 31, the mark system
System 3 can also be that colour code tagging system 32 or other tagging systems are all claimed without departing from the application with reference to Fig. 4 and Fig. 8
Range.
Embodiment 4: the puncture outfit of the tape identification system for the present invention that scale mark system and colour code tagging system are combined
With reference to Fig. 9, the difference of the present embodiment and embodiment 1 is, in the present embodiment, the mark system 3 is graduated scale
The combination of note system 31 and colour code tagging system 32.
In the present embodiment, the outside of the sheath 2 is provided with the scale mark system 31 and colour code label simultaneously
System 32.
In surgical procedure, whether doctor can quickly judge the sheath 2 by the colour code tagging system 32
Displacement, then accurately resets the sheath 2 by the scale mark system 31.
The mark system 3 of the puncture outfit of the tape identification system of the present embodiment not only can quickly judge, and can be carried out accurate
It resets, surgical procedure is more convenient, safe.
It should be noted that structure disclosed and illustrated herein can be replaced with the identical structure of other effects, while this hair
Bright introduced embodiment not realizes exclusive architecture of the invention.Although preferred embodiments of the invention give herein
It introduces and illustrates, but those skilled in the art are aware that knowing these embodiments only is to illustrate, this field
Interior technical staff can make countless variations, improvement and replacement, therefore, should be according to the present invention without departing from the present invention
The spirit and scope of appended claims limit the scope of protection of the present invention.
Claims (7)
1. the puncture outfit of tape identification system, it is characterised in that: the puncture outfit (100) of the tape identification system contains puncturing lever (1), sheath
Manage (2) and mark system (3)；The mark system (3) can mark the puncture outfit (100) of the tape identification system to enter human body
Depth.
2. the puncture outfit of tape identification system according to claim 1, it is characterised in that: the mark system (3) is arranged in institute
It states on sheath (2).
3. the puncture outfit of tape identification system according to claim 2, it is characterised in that: the mark system (3) is arranged in institute
It states in the outside or inside or sheath tube wall of sheath (2)；Axial direction setting of the mark system (3) along the sheath (2).
4. the puncture outfit of tape identification system according to claim 1, it is characterised in that: the mark system (3) is arranged in institute
It states on puncturing lever (1).
5. the puncture outfit of tape identification system according to claim 4, it is characterised in that: the mark system (3) is arranged in institute
It states in the outside or inside or puncturing lever wall of puncturing lever (1)；The mark system (3) sets along the axial direction of the puncturing lever (1)
It sets.
6. the puncture outfit of tape identification system according to claim 1, it is characterised in that: the mark system (3) is graduated scale
Note system (31).
7. the puncture outfit of tape identification system according to claim 1, it is characterised in that: the mark system (3) is colour code mark
Note system (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422367.0A CN110432954A (en) | 2018-05-04 | 2018-05-04 | The puncture outfit of tape identification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810422367.0A CN110432954A (en) | 2018-05-04 | 2018-05-04 | The puncture outfit of tape identification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110432954A true CN110432954A (en) | 2019-11-12 |
Family
ID=68427186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810422367.0A Withdrawn CN110432954A (en) | 2018-05-04 | 2018-05-04 | The puncture outfit of tape identification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110432954A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006175070A (en) * | 2004-12-22 | 2006-07-06 | Terumo Corp | Medical appliance set |
| US20070088273A1 (en) * | 2005-08-22 | 2007-04-19 | Ahmad N. Rafi | Method and apparatus for intravascular cannulation |
| CN203802504U (en) * | 2014-03-12 | 2014-09-03 | 邓学斌 | Sheath pipe for percutaneous renal puncture surgery |
| CN105559857A (en) * | 2014-11-10 | 2016-05-11 | 三峡大学第一临床医学院 | Location puncture needle with scale display |
| CN205234585U (en) * | 2015-09-28 | 2016-05-18 | 上海市肺科医院 | Percutaneous lung pjncture needle with calibration mark |
| CN209018879U (en) * | 2018-05-04 | 2019-06-25 | 广州迪克医疗器械有限公司 | The puncture outfit of tape identification system |
-
2018
- 2018-05-04 CN CN201810422367.0A patent/CN110432954A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006175070A (en) * | 2004-12-22 | 2006-07-06 | Terumo Corp | Medical appliance set |
| US20070088273A1 (en) * | 2005-08-22 | 2007-04-19 | Ahmad N. Rafi | Method and apparatus for intravascular cannulation |
| CN203802504U (en) * | 2014-03-12 | 2014-09-03 | 邓学斌 | Sheath pipe for percutaneous renal puncture surgery |
| CN105559857A (en) * | 2014-11-10 | 2016-05-11 | 三峡大学第一临床医学院 | Location puncture needle with scale display |
| CN205234585U (en) * | 2015-09-28 | 2016-05-18 | 上海市肺科医院 | Percutaneous lung pjncture needle with calibration mark |
| CN209018879U (en) * | 2018-05-04 | 2019-06-25 | 广州迪克医疗器械有限公司 | The puncture outfit of tape identification system |
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| 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: 20191112 |
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| WW01 | Invention patent application withdrawn after publication |