CN108553210A - A kind of thigh support device for leg traction frame - Google Patents
A kind of thigh support device for leg traction frame Download PDFInfo
- Publication number
- CN108553210A CN108553210A CN201810357454.2A CN201810357454A CN108553210A CN 108553210 A CN108553210 A CN 108553210A CN 201810357454 A CN201810357454 A CN 201810357454A CN 108553210 A CN108553210 A CN 108553210A
- Authority
- CN
- China
- Prior art keywords
- support
- mainboard
- plate
- pin
- angular adjustment
- 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- Withdrawn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
- 210000002414 leg Anatomy 0.000 title claims abstract description 27
- 210000000689 upper leg Anatomy 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 description 23
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 210000000078 claw Anatomy 0.000 description 10
- 238000005303 weighing Methods 0.000 description 10
- 210000003423 ankle Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000011282 treatment Methods 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000002917 arthritic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/065—Rests specially adapted therefor
- A61G7/075—Rests specially adapted therefor for the limbs
- A61G7/0755—Rests specially adapted therefor for the limbs for the legs or feet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/32—General characteristics of devices characterised by sensor means for force
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nursing (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The present invention relates to a kind of thigh support devices for leg traction frame, belong to the field of medical instrument technology.It is made of installation set, support mainboard, secondary support plate, angular adjustment mainboard and angular adjustment subplate, and secondary support plate is movably installed with by axis pin in installation set, and the bottom of secondary support plate is provided with adjustable plate, and interval shape is provided with multiple adjustment holes on adjustable plate；The end of secondary support plate is movably installed with support mainboard by pin, the bottom of support mainboard is movably installed with angular adjustment mainboard by pin, angular adjustment subplate is movably installed with by pin on angular adjustment mainboard, one end of angular adjustment subplate is flexibly connected with adjustment hole.The thigh support apparatus structure is simple, and practicability is good, and it is inconvenient to solve the installation of existing traction support device, lacks the support member for being used to support patient legs or the problem of support member angle is unable to adjust, causes very uncomfortable patient's distraction procedure, poor universality；It is installed and used especially suitable for leg traction frame.
Description
Technical field
The present invention relates to a kind of thigh support devices for leg traction frame, belong to the field of medical instrument technology.
Background technology
It is pulled in important role in the treatment of fracture of lower limb, it is suitable for the expectant treatments of fracture of lower limb, or in hand
For maintaining Leg length and axis before art treatment.Such as, arthritic patients make in operation, it usually needs are led to its joint
Draw, so that the increase of Bones and joints gap is convenient for operation.The mode of traction is：When patient carries out ankle operation, ankle is fixed with anklet and is closed
After section, anklet is pulled by traction rope and achievees the purpose that retract joint space, traction rope needs support device conduct in traction
Support is welded currently, existing traction support device includes holder, bracket end is welded and the crossbearer of support vertical on crossbearer
Mounting bracket, fixed pulley are mounted on installation and add；The deficiency of above-mentioned traction support device is：Peace during inconvenient to use
Dress, lacks the support member for being used to support patient legs or support member angle is unable to adjust, cause patient's distraction procedure very
Uncomfortable, poor universality, meanwhile, on the other hand, the gravity source currently used for traction is mostly balance weight iron or sandbag, although can be
Traction rope provides traction gravity, but the size of its tractive force cannot intuitively embody, and the plus-minus of gravity source weight size can not
Precisely adjustment, therefore, it is necessary to make improvements.
Invention content
It is an object of the invention to：Offer is a kind of simple in structure, and practicability is good, can be adjusted to the angle of thigh support
It is whole, to improve the thigh support device for leg traction frame of versatility.
The technical scheme is that：
A kind of thigh support device for leg traction frame, it is by installation set, support mainboard, secondary support plate, angular adjustment master
Plate and angular adjustment subplate are constituted, it is characterised in that：Secondary support plate is movably installed with by axis pin in installation set, secondary support plate
Bottom is provided with adjustable plate, and interval shape is provided with multiple adjustment holes on adjustable plate；Pacified by pin activity the end of secondary support plate
Equipped with support mainboard, supports the bottom of mainboard to be movably installed with angular adjustment mainboard by pin, pass through on angular adjustment mainboard
Pin is movably installed with angular adjustment subplate, and one end of angular adjustment subplate is flexibly connected with adjustment hole.
The section of the support mainboard and secondary support plate is respectively U-shaped body, and the inner surface of secondary support plate is lived by pin
Dynamic to be equipped with fine adjustment plate, the bottom of fine adjustment plate is evenly equipped with positioning tooth, pair support plate bottom setting corresponding with fine adjustment plate
Fluted, by assembling pin activity installation by cricoid fine adjustment supporting rod in groove, one end of fine adjustment supporting rod passes through
It is connect with the cooperation of positioning tooth with fine adjustment plate movable contact.
Positioning bolt, the upper surface of the inner surface and fine adjustment plate of the support mainboard are provided in the installation set
It is respectively arranged with sponge bed course.
The beneficial effects of the present invention are：
The thigh support device for being used for leg traction frame is assemblied in the supporting rod of leg traction frame by installation set, uses
Cheng Zhong can adjust the assembly height of thigh support device, thigh support made to fill by installation set sliding up and down on supporting rod
It sets and adapts to different individual patients uses, and the angular adjustment mainboard by supporting mainboard bottom, it can be to thigh support device
Support angle be adjusted, solve existing traction support device and lack the support member for being used to support patient legs or support
Component angles are unable to adjust, the problem of causing very uncomfortable patient's distraction procedure, poor universality.The thigh support device has knot
Structure is simple, and the good feature of practicability is installed and used especially suitable for leg traction frame.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the scheme of installation of the present invention；
Fig. 3 is the cross section structure schematic diagram of the secondary support plate of the present invention；
Fig. 4 is the structural schematic diagram of mounting base；
Fig. 5 is the structural schematic diagram of gravity traction device.
In figure：1, gravity traction device, 2, supporting rod, 3, fixed pulley, 4, guide rod, 5, installation set, 6, support mainboard, 7, secondary
Support plate, 8, angular adjustment mainboard, 9, angular adjustment subplate, 10, adjustable plate, 11, adjustment hole, 12, fine adjustment plate, 13, positioning
Tooth, 14, groove, 15, assembly pin, 16, fine adjustment supporting rod, 17, fixing bolt, 18, directive wheel, 19, mounting cylinder, 20, match
Pouring weight；21, support spring, 22, electronic scale, 23, upper location-plate, 24, weighing spring, 25, lower positioning plate, 26, fitting flange,
27, hanging ring, 28, gravity rod, 29, pressing plate, 30, compression bar, 31, slide opening, 32, compression bar card slot, 33, traction rope, 34, anklet, 35, solid
Fixed pole, 36, claw, 37, fixed hook, 38, positioning bolt, 39, sliding through hole.
Specific implementation mode
This is used for the thigh support device of leg traction frame by installation set 5, support mainboard 6, secondary support plate 7, angular adjustment
Mainboard 8 and angular adjustment subplate 9 are constituted, and are provided with positioning bolt in installation set 5, are movably installed with by axis pin in installation set 5
The bottom of secondary support plate 7, secondary support plate 7 is provided with adjustable plate 10, and interval shape is provided with multiple adjustment holes 11 on adjustable plate；Pair branch
The end of fagging 7 is movably installed with support mainboard 6 by pin, and the bottom of support mainboard 6 is movably installed with angle by pin
Mainboard 8 is adjusted, angular adjustment subplate 9, one end of angular adjustment subplate 9 are movably installed with by pin on angular adjustment mainboard 8
It is flexibly connected with adjustment hole 11.
The section of the support mainboard 6 of thigh support frame and secondary support plate 7 is respectively U-shaped body, and the inner surface of secondary support plate 7 is logical
It crosses pin and is movably installed with fine adjustment plate 12, the bottom of fine adjustment plate 12 is evenly equipped with positioning tooth 13, corresponding with fine adjustment plate 12
7 bottom of secondary support plate setting fluted 14, groove 14 is interior to be movably installed with cricoid fine adjustment supporting rod by assembling pin 15
16, one end of fine adjustment supporting rod 16 with the cooperation of positioning tooth 13 with 12 movable contact of fine adjustment plate by connecting, to be formed
Support to fine adjustment plate 12, fine adjustment supporting rod 16 is by the movement on positioning tooth 13, it can be achieved that the branch of fine adjustment plate 12
The adjusting of support angle degree.The upper surface of the inner surface and fine adjustment plate 12 that support mainboard 6 is respectively arranged with sponge bed course, is made with increasing
With comfort in the process.
This for leg traction frame thigh support device in use, by installation set 5 be mounted on leg traction frame, under
Limb traction frame includes mounting bracket and gravity traction device 1, and mounting bracket is made of mounting base, supporting rod 2, fixed pulley 3 and guide rod 4,
It is fixed with supporting rod 2 in mounting base, thigh support device is mounted on by installation set 5 on supporting rod 2, installation set 5 and by fixed
Position bolt is fixed to each other with supporting rod 2.The top of supporting rod 2 is fixed with fixed pulley 3, the setting of 3 lower section side of fixed pulley
Skewed on supporting rod 2 to be equipped with guide rod 4, the end of guide rod 4 is equipped with directive wheel 18, and the lower section of guide rod 4 is provided with
Gravity traction device 1.
Gravity traction device 1 is by mounting cylinder 19, clump weight 20, electronic scale 22, upper location-plate 23, weighing spring 24 and lower positioning
Plate 25 is constituted；The clump weight 20 of metal material is slidably fitted in mounting cylinder 19, on 19 inner wall of mounting cylinder of 20 lower section of clump weight
It is provided with cricoid fitting flange 26, electronic scale 22 is housed in the mounting cylinder 19 of 26 lower section of fitting flange, is passed through on electronic scale 22
Lower positioning plate 25 is fixed with weighing spring 24, and the upper end of weighing spring 24 extends in the centre bore of fitting flange 26, to make
With in the process ensure weighing spring 24 up rightness, and then ensure electronic scale 22 quality of weighing, to reduce error to the greatest extent.Extend
24 top of weighing spring in the centre bore of fitting flange 26 is equipped with upper location-plate 23.
The top of clump weight 20 is provided with hanging ring 27, and the bottom of clump weight 20 is provided with gravity rod 28, the bottom of gravity rod 28
End extends in the centre bore of fitting flange 26 and is connected with upper location-plate 25.
Support spring 21 is equipped with by fitting flange 26 on gravity rod 28.Weight between support spring 21 and clump weight 20
Pressing plate 29 is movably installed on power bar 28, support spring 21 forms clump weight 20 by pressing plate 29 and supports, symmetrical on pressing plate 29
Compression bar 30 is installed.It is provided with slide opening 31 on 21 corresponding mounting cylinder 19 of support spring, compression bar 30 extends to peace by slide opening 31
19 outer end of fitted tube.It is interruption-like on slide opening 31 to be provided with multiple compression bar card slots 32；For fixation of the compression bar 30 in slide opening 31.
Traction rope 33 is provided on fixed pulley 3, one end of traction rope 33 is provided with anklet 34, and the other end of traction rope 33 is logical
Directive wheel 18 is crossed to connect with the hanging ring 27 of gravity traction device 1.
Mounting base is made of fixed link 35 and claw 36, and the bottom both ends symmetry shape of fixed link 35 is fixed with claw 36.Card
Pawl 36 is U-shaped body, and the side of claw 36 is provided with positioning bolt 38, and for the fixation to claw 36, the other side of claw 36 is logical
It crosses fixing bolt 17 and is movably installed with fixed hook 37.It is provided with sliding through hole 39 on fixed hook 37.Fixed hook 37 is by sliding
Dynamic through-hole 39 is slidably connected by fixing bolt 17 and claw 36, and fixed hook 37 passes through sliding through hole 39 and fixing bolt 17
Cooperation, can be up and down on fixed hook 37, thus can adjust the card of claw 36 and 37 bottom end of fixed hook, grabs spacing, with
The sick bed head of a bed for adapting to different height is installed and used.
Leg traction frame is in use, be installed on the top of the sick bed head of a bed by claw 36, and carry out by positioning bolt 38
It is fixed, then 37 bottom end of fixed hook is hooked on bottom or the bedstead of the sick bed head of a bed, to add to the fixation of claw 36
By force, during use, pass through the sliding up and down on supporting rod 2 of installation set 5 of thigh support device, adjustable auxiliary support plate 7
Height so that thigh support frame adapts to different individual patients and uses, by supporting the angular adjustment mainboard 8 of 6 bottom of mainboard,
The support angle of thigh support frame can be adjusted, so that patient legs are in a rational traction angle, and be passed through
Fine adjustment plate 12 in secondary support plate 7 can be finely adjusted patient legs' angle；And the ankles bit of patient is formed and is supported.
The support spring 21 and electronic scale 22 of gravity traction device 1, can be such that the size of tractive force intuitively embodies, and to traction
Gravity source weight is precisely adjusted；Specially：Patient's ankle by anklet 34, traction rope 33 through fixed pulley 3, directive wheel 18 with
After the hanging ring 27 of clump weight 20 connects, the gravity of clump weight 20 can form traction after traction rope 33 is transferred to patient's ankle
The gravity gravity of power, clump weight 20 is transferred to electronic scale through gravity rod 28, upper location-plate 23, weighing spring 24, lower positioning plate 25
After on 22, the size of tractive force can intuitively be embodied by electronic scale 22.
When needing to increase tractive force, along 31 times moulded rods of slide opening 30, makes it through pressing plate 29 and compress support spring 21, to subtract
Small support spring 21 makes 20 downlink of clump weight to the support force of clump weight 20, and to increasing traction, the downlink of clump weight 20 is logical
It crosses gravity rod 28 and oppresses upper location-plate 23, compress weighing spring 24 from there through upper location-plate 23, and will by lower positioning plate 25
In the downlink force effect to electronic scale 22 of clump weight 20, the downlink gravity of clump weight 20 can be intuitively shown by electronic scale 22.
After reaching required tractive force, compression bar 30 is fixed by compression bar card slot 32.The effect one of weighing spring 24 is transmission
The gravity of clump weight 20, second is that providing a downlink spatial for gravity rod 28.
When needing to reduce tractive force, make 30 uplink of compression bar along slide opening 31, during this, support spring 21 gradually release can,
The support force of clump weight 20 is increased, thus tractive force is made to reduce, it, will by compression bar card slot 32 after reaching required tractive force
30 fixation of compression bar can fix the tractive force.
The thigh support apparatus structure for being used for leg traction frame is simple, and practicability is good, solves existing traction support dress
It is inconvenient to set installation, lacks the support member for being used to support patient legs or support member angle is unable to adjust, patient is caused to lead
The problem of being introduced through Cheng Shifen uncomfortable, poor universality；It is installed and used especially suitable for leg traction frame.
Claims (4)
1. a kind of thigh support device for leg traction frame, it is by installation set（5）, support mainboard（6）, secondary support plate（7）、
Angular adjustment mainboard（8）With angular adjustment subplate（9）It constitutes, installation set（5）It is upper that secondary support plate is movably installed with by axis pin
（7）, secondary support plate（7）Bottom be provided with adjustable plate（10）, adjustable plate（10）Upper interval shape is provided with multiple adjustment holes（11）；
Secondary support plate（7）End support mainboard is movably installed with by pin（6）, support mainboard（6）Bottom pass through pin activity
Angular adjustment mainboard is installed（8）, angular adjustment mainboard（8）It is upper that angular adjustment subplate is movably installed with by pin（9）, angle
Adjust subplate（9）One end and adjustment hole（11）Flexible connection；The installation set（5）On be provided with positioning bolt（38）.
2. a kind of thigh support device for leg traction frame according to claim 1, it is characterised in that：The branch
Support mainboard（6）Section with secondary support plate is respectively U-shaped body, secondary support plate（7）Inner surface be movably installed with by pin it is micro-
Adjustable plate（12）, fine adjustment plate（12）Bottom be evenly equipped with positioning tooth（13）, with fine adjustment plate（12）Corresponding pair support plate（7）
Bottom setting is fluted（14）.
3. a kind of thigh support device for leg traction frame according to claim 2, it is characterised in that：Described is recessed
Slot（14）It is interior to pass through assembly pin（15）Activity installation is by cricoid fine adjustment supporting rod（16）, fine adjustment supporting rod（16）One
End by with positioning tooth（13）Cooperation and fine adjustment plate（12）Movable contact connects.
4. a kind of thigh support device for leg traction frame according to claim 2, it is characterised in that：The branch
Support mainboard（6）Inner surface and fine adjustment plate（12）Upper surface be respectively arranged with sponge bed course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357454.2A CN108553210A (en) | 2018-04-20 | 2018-04-20 | A kind of thigh support device for leg traction frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357454.2A CN108553210A (en) | 2018-04-20 | 2018-04-20 | A kind of thigh support device for leg traction frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108553210A true CN108553210A (en) | 2018-09-21 |
Family
ID=63535638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810357454.2A Withdrawn CN108553210A (en) | 2018-04-20 | 2018-04-20 | A kind of thigh support device for leg traction frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108553210A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249048A (en) * | 2020-01-17 | 2020-06-09 | 武汉尚诚源健康科技有限公司 | Ankle joint orthotic devices of institutional advancement |
| CN114631967A (en) * | 2022-04-07 | 2022-06-17 | 骆承章 | Neurosurgical clinical examination device and examination method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739812U (en) * | 1991-09-20 | 1995-07-18 | 博康 山田 | Lower limb traction device |
| CN201286778Y (en) * | 2008-11-07 | 2009-08-12 | 王德玲 | Horizontal abduction hip-joint traction rack |
| CN204501396U (en) * | 2015-02-15 | 2015-07-29 | 吴松 | A kind of lower limb traction is changed dressings equipment |
| CN205411418U (en) * | 2015-12-08 | 2016-08-03 | 中国人民解放军第四军医大学 | Angularly adjustable pull support |
| CN207136944U (en) * | 2017-03-13 | 2018-03-27 | 芜湖市第二人民医院 | Multifunctional angular is adjustable Brown's frame |
| CN208447879U (en) * | 2018-04-20 | 2019-02-01 | 公安县人民医院 | A kind of thigh support device for leg traction frame |
-
2018
- 2018-04-20 CN CN201810357454.2A patent/CN108553210A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739812U (en) * | 1991-09-20 | 1995-07-18 | 博康 山田 | Lower limb traction device |
| CN201286778Y (en) * | 2008-11-07 | 2009-08-12 | 王德玲 | Horizontal abduction hip-joint traction rack |
| CN204501396U (en) * | 2015-02-15 | 2015-07-29 | 吴松 | A kind of lower limb traction is changed dressings equipment |
| CN205411418U (en) * | 2015-12-08 | 2016-08-03 | 中国人民解放军第四军医大学 | Angularly adjustable pull support |
| CN207136944U (en) * | 2017-03-13 | 2018-03-27 | 芜湖市第二人民医院 | Multifunctional angular is adjustable Brown's frame |
| CN208447879U (en) * | 2018-04-20 | 2019-02-01 | 公安县人民医院 | A kind of thigh support device for leg traction frame |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249048A (en) * | 2020-01-17 | 2020-06-09 | 武汉尚诚源健康科技有限公司 | Ankle joint orthotic devices of institutional advancement |
| CN114631967A (en) * | 2022-04-07 | 2022-06-17 | 骆承章 | Neurosurgical clinical examination device and examination method |
| CN114631967B (en) * | 2022-04-07 | 2023-04-11 | 宜兴市人民医院 | Neurosurgery clinical examination device and examination method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180921 |
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| WW01 | Invention patent application withdrawn after publication |