CN111658839A - Negative pressure sealing drainage device with skin stretching function - Google Patents
Negative pressure sealing drainage device with skin stretching function Download PDFInfo
- Publication number
- CN111658839A CN111658839A CN202010601280.7A CN202010601280A CN111658839A CN 111658839 A CN111658839 A CN 111658839A CN 202010601280 A CN202010601280 A CN 202010601280A CN 111658839 A CN111658839 A CN 111658839A
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- base
- thread
- negative pressure
- dressing plate
- skin stretching
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Links
- 238000007789 sealing Methods 0.000 title description 8
- 238000009434 installation Methods 0.000 claims description 2
- 206010063560 Excessive granulation tissue Diseases 0.000 abstract description 5
- 210000001126 granulation tissue Anatomy 0.000 abstract description 5
- 206010030113 Oedema Diseases 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract description 4
- 230000012010 growth Effects 0.000 abstract description 3
- 206010052428 Wound Diseases 0.000 description 34
- 208000027418 Wounds and injury Diseases 0.000 description 34
- 210000003491 skin Anatomy 0.000 description 23
- 239000002313 adhesive film Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000004207 dermis Anatomy 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008467 tissue growth Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
- A61M1/96—Suction control thereof
- A61M1/962—Suction control thereof having pumping means on the suction site, e.g. miniature pump on dressing or dressing capable of exerting suction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
- A61B17/085—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound with adhesive layer
-
- 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/05—Bandages or dressings; Absorbent pads specially adapted for use with sub-pressure or over-pressure therapy, wound drainage or wound irrigation, e.g. for use with negative-pressure wound therapy [NPWT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
- A61B2017/081—Tissue approximator
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
- A61B17/085—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound with adhesive layer
- A61B2017/086—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound with adhesive layer having flexible threads, filaments, laces or wires, e.g. parallel threads, extending laterally from a strip, e.g. for tying to opposing threads extending from a similar strip
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Vascular Medicine (AREA)
- Surgery (AREA)
- Anesthesiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a negative pressure closed drainage device with a skin stretching function, which comprises a dressing plate, wherein the top of the dressing plate is fixedly connected with a base a and a base b, the base a and the base b are symmetrically arranged, rotatable silk thread tightening devices are respectively arranged on the base a and the base b, two symmetrically arranged suction pipes are arranged in the dressing plate, one ends of the suction pipes penetrate through the dressing plate and extend outwards, and a thread guide a and a thread guide b are fixedly connected to the top of the dressing plate. According to the negative pressure closed drainage device, the functions of quickly closing the wound surface, controlling infection, relieving interstitial edema of the wound surface, promoting the growth of granulation tissues of the wound surface and the like of the traditional VSD device are achieved, the skin stretching function of the skin stretching device is achieved, the effect of reducing the wound surface is achieved while the wound surface is covered by the closed wound surface, and in addition, the negative pressure closed drainage device is convenient to use, convenient to install and good in practicability.
Description
Technical Field
The invention relates to the field related to medical equipment, in particular to a negative pressure closed drainage device with a skin stretching function.
Background
In clinical work, in the face of huge skin soft tissue defects, clinicians usually select a negative pressure sealing drainage (VSD) device to cover and treat a wound surface, and compared with conventional dressing change, the wound surface dressing change device can shorten the wound surface healing time, and has the advantages of quickly sealing the wound surface, controlling infection, relieving wound surface interstitial edema, promoting wound surface granulation tissue growth and the like. But for wounds with large skin defects or wounds with low tension and incapable of being drawn together for suturing, the wound surface is limited to shrink after being treated by the VSD alone. After the conventional primary wound surface is treated by VSD, the secondary wound surface needs to be repaired by skin grafting, skin flap transferring and the like, in this case, the treatment period of a patient is longer, and the physical and mental pressure and the economic burden of the patient are increased day by day.
Therefore, the negative pressure closed drainage device with the skin stretching function is provided.
Disclosure of Invention
The invention aims to provide a negative pressure closed drainage device with a skin stretching function, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
the negative pressure closed drainage device with the skin stretching function comprises a dressing plate, wherein the top of the dressing plate is fixedly connected with a base a and a base b, the base a and the base b are symmetrically arranged, rotatable silk thread tightening devices are respectively arranged on the base a and the base b, two symmetrically arranged suction pipes are arranged in the dressing plate, one ends of the suction pipes penetrate through the dressing plate and extend outwards, the top of the dressing plate is fixedly connected with a thread guide a and a thread guide b, one of the thread tightening devices is provided with a silk thread a and a silk thread b, one end of the silk thread a and one end of the silk thread b sequentially penetrate through the base a, the thread guide b and the base b and are connected with the other thread tightening device, and the silk thread a and the silk thread b are both arranged in an S shape.
Preferably, the inner bottom of the base a and the inner bottom of the base b are both fixedly connected with a fixed column, and the thread take-up device is rotatably sleeved on the outer side wall of the fixed column.
Preferably, the thread tightening device comprises a reel rotatably sleeved on the outer side wall of the fixing column, the outer side wall of the reel is connected with one end of the thread a and one end of the thread b through a fixing piece, a knob cover is mounted at the top of the reel, and the knob cover is connected with the base a and the base b through a direction limiting device.
Preferably, the bottom of the knob cover is fixedly connected with a fixed barrel, the fixed barrel is rotatably sleeved on the outer side wall of the top of the fixed column and is connected with the reel through a limiting block, and a limiting groove corresponding to the limiting block is formed in the reel.
Preferably, the direction limiting device is including rotating the pivot of connection on the knob lid, the one end of pivot runs through the knob lid and is connected with the knob lid through the torsional spring, be provided with the installation cavity that corresponds with the torsional spring on the knob lid, the fixed cover of lateral wall of pivot has connect the pawl, the pawl passes through the ratchet and is connected with base a and base b respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. the negative pressure closed suction device which is conventionally applied in clinic is organically combined with the skin stretching device, and the wound edge is slowly pulled while the wound surface is covered and the growth of granulation tissues is promoted, so that the effect of closing the wound surface in early stage is achieved;
2. the product has simple use method, is convenient for the patient to adjust the device by oneself, and reduces the workload for the clinician;
3. the VSD device and the skin stretching device are integrated into a whole, so that the economic cost caused by repeated replacement of medical instruments is greatly reduced;
4. the product is convenient to use, convenient and fast to install, has low requirements on the level of medical equipment, is beneficial to primary hospitals to carry out work, and brings good news to patients.
In conclusion, compared with the prior art, the VSD device has the greatest advantages that the VSD device not only has the functions of quickly sealing the wound surface, controlling infection, relieving interstitial edema of the wound surface, promoting the growth of granulation tissue of the wound surface and the like of the traditional VSD device, but also has the skin stretching function of the skin stretching device, and has the effect of reducing the wound surface while sealing the wound surface and covering the wound surface.
Drawings
FIG. 1 is a schematic structural view of a negative pressure closed drainage device with skin stretching function according to the present invention;
fig. 2 is a schematic structural diagram of a base a, a ratchet wheel, a winding wheel, a fixing column and a limiting groove in the negative pressure closed drainage device with the skin stretching function provided by the invention;
FIG. 3 is a schematic view of a connection structure of a pawl, a rotating shaft, a limiting block, a sleeve and a knob cover in the negative pressure closed drainage device with a skin stretching function provided by the invention;
FIG. 4 is a schematic view of the connection structure of the winding wheel and the fixing member in the negative pressure closed drainage device with skin stretching function according to the present invention;
fig. 5 is a schematic view of a connection structure of a knob cover, a torsion spring and a rotating shaft in the negative pressure closed drainage device with a skin stretching function provided by the invention.
In the figure: 1. a dressing plate; 2. a suction tube; 3. a base a; 4. a base b; 5. a wire take-up device; 51. a reel; 52. a fixing member; 53. a limiting groove; 54. a knob cover; 55. a limiting block; 56. a fixed cylinder; 6. a wire guide a; 7. a wire guide b; 8. a silk thread a; 9. b, silk threads; 10. fixing a column; 11. a ratchet wheel; 12. a rotating shaft; 13. a pawl; 14. a torsion spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, the invention further provides a negative pressure closed drainage device with a skin stretching function, which comprises a dressing plate 1, wherein the top of the dressing plate 1 is fixedly connected with a base a3 and a base b4, the base a3 and the base b4 are symmetrically arranged, rotatable thread tightening devices 5 are respectively arranged on the base a3 and the base b4, two symmetrically arranged suction tubes 2 are arranged in the dressing plate 1, one end of each suction tube 2 penetrates through the dressing plate 1 and extends outwards, the top of the dressing plate 1 is fixedly connected with a thread guide a6 and a thread guide b7, one thread tightening device 5 is provided with a thread a8 and a thread b9, one end of the thread a8 and one end of the thread b9 sequentially penetrate through the base a3, the thread guide a6, the thread guide b7 and the base b4 and are connected with the other thread tightening device 5, and the thread a8 and the thread b9 are both arranged in an S shape.
The suction tube 2 is a negative pressure suction catheter, one end of the suction tube 2 extending out of the dressing plate 1 is connected with a disk-shaped connector with a central hole for standby connection with a negative pressure suction device.
The dressing plate 1 is covered with a biological permeability adhesive film which is made of a material with certain elasticity and contractibility, so that the biological permeability adhesive film can be conveniently fixed on the edge of a wound surface to play a role of stretching the skin.
Outlets are arranged in the 2 o 'clock direction and the 10 o' clock direction of the base a3 and the base b4, and wires a8 and b9 enter the interiors of the base a3 and the base b 4.
Further, the inner bottom of the base a3 and the inner bottom of the base b4 are both fixedly connected with a fixing column 10, and the silk thread tightening device 5 is rotatably sleeved on the outer side wall of the fixing column 10.
Further, the thread take-up device 5 comprises a reel 51 rotatably sleeved on the outer side wall of the fixing post 10, the outer side wall of the reel 51 is connected with one end of the thread a8 and one end of the thread b9 through fasteners 52, a knob cover 54 is mounted on the top of the reel 51, and the knob cover 54 is connected with the base a3 and the base b4 through direction limiting devices.
The anchor 52 is used to attach either wire a8 or wire b 9.
Further, knob lid 54 bottom fixedly connected with solid fixed cylinder 56, gu fixed cylinder 56 rotates to cup joint on the top lateral wall of fixed column 10, gu fixed cylinder 56 passes through stopper 55 and is connected with reel 51, is provided with the spacing groove 53 that corresponds with stopper 55 on the reel 51.
Further, the direction limiting device comprises a rotating shaft 12 rotatably connected to the knob cover 54, one end of the rotating shaft 12 penetrates through the knob cover 54 and is connected with the knob cover 54 through a torsion spring 14, a mounting cavity corresponding to the torsion spring 14 is formed in the knob cover 54, a pawl 13 is fixedly sleeved on the outer side wall of the rotating shaft 12, and the pawl 13 is respectively connected with the base a3 and the base b4 through a ratchet 11.
The knob cover 54 is a cover surface of the whole thread take-up device 5, and comprises a rough edge with friction force on the periphery so as to rotate, a limit block 55 is arranged on the bottom surface, a limit groove 53 corresponding to the limit block 55 is arranged at the top of the reel 51, the knob cover 54 can rotate and take up and fix on the fixed column 10 of the base a3 or the base b4 after being embedded with the reel 51, and if the thread needs to be loosened, the knob cover 54 can be lifted independently, so that the loosening effect can be achieved.
The pawl 13, the rotary shaft 12, the ratchet 11 and the torsion spring 14 function to restrict reverse rotation of the reel 51.
In the present invention, in the first step, a dressing plate 1 with a proper size is covered on the wound surface, and the area of the dressing plate 1 is required to be slightly smaller than the area of the wound surface so as to provide an initial tension force. After the dressing plate 1 has been covered, a second fixing step is carried out.
Secondly, connecting one end of the suture thread a8 and one end of the thread b9 with a fixing piece 52 of a thread tightening device 5 on a base a3, threading the suture thread 2mm from the edge of a reel 51 after knotting, then threading the suture thread from the side of the applicator 1 at the same height with the dermis of the wound margin, then threading the suture thread into the dermis adjacent to the wound margin, threading the suture thread out of the middle of the applicator 1 again in an S-shaped mode, crossing the surface of the applicator 1, then threading the suture thread into a thread guide a6 and a thread guide b7, then threading the suture thread out of the wound margin at the opposite side again in the same mode, fixing the wound margins at the two sides with the applicator 1, and in the next step, paying attention to avoid the traction thread from running on the surface of the applicator 1 to the extent that the thread a8 or the thread b9 cannot slide, and in the same way, threading the other end of the thread a8 and the other end of the thread b9 with the thread tightening device 5 on the base b, promoting bilateral traction balance.
And thirdly, covering a plastic sealing film on the wound edge and the surface layer of the dressing plate 1, connecting a negative pressure suction device, exposing the knob cover 54, starting to tighten the threads a8 and the threads b9 after the device is normally sucked under negative pressure, and stretching the skin edge.
Fourthly, the knob cover 54 at the top of the thread tightening device 5 is turned, and the leather edge is slowly pulled by rotating a proper amount every day.
This drainage device is sealed to negative pressure not only has the quick closed surface of a wound that traditional VSD device possessed, controls the infection, alleviates surface of a wound interstitial edema, promotes a great deal of functions such as surface of a wound granulation tissue growth, has had the skin of skin tractive ware simultaneously and has drawn a function, plays the efficiency of reducing the surface of a wound when sealing the surface of a wound and covering the surface of a wound, in addition, convenient to use, it is convenient to install, has fine practicality.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The negative-pressure closed drainage device with the skin stretching function is characterized by comprising a dressing plate (1), wherein the top of the dressing plate (1) is fixedly connected with a base a (3) and a base b (4), the base a (3) and the base b (4) are symmetrically arranged, rotatable silk thread tightening devices (5) are arranged on the base a (3) and the base b (4), two symmetrically arranged suction tubes (2) are arranged in the dressing plate (1), one end of each suction tube (2) penetrates through the dressing plate (1) and extends outwards, a wire guide a (6) and a wire guide b (7) are fixedly connected to the top of the dressing plate (1), one of the silk thread tightening devices (5) is provided with a silk thread a (8) and a silk thread b (9), and one end of the silk thread a (8) and one end of the silk thread b (9) sequentially penetrate through the base a (3), The thread guide a (6), the thread guide b (7) and the base b (4) are connected with another thread tightening device (5), and the thread a (8) and the thread b (9) are arranged in an S shape.
2. The negative pressure closed drainage device with the skin stretching function according to claim 1, wherein the inner bottom of the base a (3) and the inner bottom of the base b (4) are both fixedly connected with a fixed column (10), and the thread tightening device (5) is rotatably sleeved on the outer side wall of the fixed column (10).
3. The negative pressure closed drainage device with the skin stretching function according to claim 2, wherein the thread tightening device (5) comprises a reel (51) rotatably sleeved on the outer side wall of the fixing post (10), the outer side wall of the reel (51) is connected with one end of the thread a (8) and one end of the thread b (9) through a fixing piece (52), a knob cover (54) is installed at the top of the reel (51), and the knob cover (54) is connected with the base a (3) and the base b (4) through a direction limiting device.
4. The negative pressure closed drainage device with the skin stretching function according to claim 3, wherein a fixed barrel (56) is fixedly connected to the bottom of the knob cover (54), the fixed barrel (56) is rotatably sleeved on the outer side wall of the top of the fixed column (10), the fixed barrel (56) is connected with a reel (51) through a limiting block (55), and a limiting groove (53) corresponding to the limiting block (55) is arranged on the reel (51).
5. The negative pressure closed drainage device with the skin stretching function according to claim 3, wherein the direction limiting device comprises a rotating shaft (12) rotatably connected to a knob cover (54), one end of the rotating shaft (12) penetrates through the knob cover (54) and is connected with the knob cover (54) through a torsion spring (14), an installation cavity corresponding to the torsion spring (14) is formed in the knob cover (54), a pawl (13) is fixedly sleeved on the outer side wall of the rotating shaft (12), and the pawl (13) is connected with a base a (3) and a base b (4) through a ratchet wheel (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601280.7A CN111658839A (en) | 2020-06-28 | 2020-06-28 | Negative pressure sealing drainage device with skin stretching function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010601280.7A CN111658839A (en) | 2020-06-28 | 2020-06-28 | Negative pressure sealing drainage device with skin stretching function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111658839A true CN111658839A (en) | 2020-09-15 |
Family
ID=72390156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010601280.7A Withdrawn CN111658839A (en) | 2020-06-28 | 2020-06-28 | Negative pressure sealing drainage device with skin stretching function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111658839A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023056878A1 (en) * | 2021-10-09 | 2023-04-13 | 上海市第六人民医院 | Skin stretcher capable of simultaneously using negative pressure suction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104203172A (en) * | 2011-11-25 | 2014-12-10 | 史密夫及内修公开有限公司 | Composition, apparatus, kit and method and uses thereof |
| CN105997168A (en) * | 2016-07-01 | 2016-10-12 | 山东东瑞生物技术有限公司 | Skin anastomat |
| CN109620327A (en) * | 2018-12-29 | 2019-04-16 | 李皓峰 | Button Skin stretching device and skin drawing and stretching method |
| CN109692026A (en) * | 2018-12-27 | 2019-04-30 | 杨风 | A kind of obstetrics' caesarean birth wound healing pressurizer |
| CN208851555U (en) * | 2018-04-27 | 2019-05-14 | 哈尔滨医科大学 | In vitro adjustable skin stretch closure device |
-
2020
- 2020-06-28 CN CN202010601280.7A patent/CN111658839A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104203172A (en) * | 2011-11-25 | 2014-12-10 | 史密夫及内修公开有限公司 | Composition, apparatus, kit and method and uses thereof |
| CN105997168A (en) * | 2016-07-01 | 2016-10-12 | 山东东瑞生物技术有限公司 | Skin anastomat |
| CN208851555U (en) * | 2018-04-27 | 2019-05-14 | 哈尔滨医科大学 | In vitro adjustable skin stretch closure device |
| CN109692026A (en) * | 2018-12-27 | 2019-04-30 | 杨风 | A kind of obstetrics' caesarean birth wound healing pressurizer |
| CN109620327A (en) * | 2018-12-29 | 2019-04-16 | 李皓峰 | Button Skin stretching device and skin drawing and stretching method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023056878A1 (en) * | 2021-10-09 | 2023-04-13 | 上海市第六人民医院 | Skin stretcher capable of simultaneously using negative pressure suction |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200915 |