CN215231057U - Hemostatic plaster for transfusion - Google Patents
Hemostatic plaster for transfusion Download PDFInfo
- Publication number
- CN215231057U CN215231057U CN202120038456.2U CN202120038456U CN215231057U CN 215231057 U CN215231057 U CN 215231057U CN 202120038456 U CN202120038456 U CN 202120038456U CN 215231057 U CN215231057 U CN 215231057U
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- Prior art keywords
- layer
- glue
- hemostatic
- fixed
- hemostasis
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- Expired - Fee Related
Links
- 230000002439 hemostatic effect Effects 0.000 title claims abstract description 79
- 239000011505 plaster Substances 0.000 title claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 55
- 230000023597 hemostasis Effects 0.000 claims abstract description 38
- 238000001802 infusion Methods 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 116
- 239000012790 adhesive layer Substances 0.000 claims description 26
- 239000012528 membrane Substances 0.000 claims description 20
- 239000004745 nonwoven fabric Substances 0.000 claims description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 239000002390 adhesive tape Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 102000035195 Peptidases Human genes 0.000 claims description 4
- 108091005804 Peptidases Proteins 0.000 claims description 4
- 230000002393 scratching effect Effects 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 238000006748 scratching Methods 0.000 abstract description 5
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 235000009161 Espostoa lanata Nutrition 0.000 description 2
- 240000001624 Espostoa lanata Species 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009964 serging Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- 230000007704 transition Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Surgical Instruments (AREA)
- Materials For Medical Uses (AREA)
Abstract
The utility model discloses a hemostatic plaster for infusion, including hemostasis device, go up glue film and stripping paper, the leak protection strip is installed to hemostasis device both sides outer wall, leak protection strip one side outer wall bonds and has down glue film and rubberizing layer, and the rubberizing level is in glue film top down, hemostasis device bottom bonds and has stripping paper, and stripping paper length is good at hemostasis device length, rubberizing layer internal fixation has the drawstring, and the drawstring runs through rubberizing layer and extends to get into down inside the glue film, rubberizing layer internal fixation has ventilative cloth and second glue layer, and the second glue layer is located ventilative cloth top, rubberizing layer internal fixation has the adhesive paper, and the adhesive paper is located second glue layer top. The utility model discloses an install the rubberizing layer, the rubberizing layer can be after patient's hemostasis, through drawing of drawing rope, can swiftly conveniently peel off patient's skin surface with this hemostasis subsides, need not peel off through violence modes such as scratching, tearing to make this hemostasis subsides use more humanized.
Description
Technical Field
The utility model relates to a hemostatic plaster technical field specifically is a hemostatic plaster for infusion.
Background
The infusion, be a common treatment mode, when the infusion, need prick the pinhole in patient's vein department, it is internal later just to input the liquid medicine into the patient, accomplish the infusion, need extract the syringe needle after the infusion finishes, need in time press the wound of pinhole department this moment, avoid the blood in the vein to continuously flow out, because the use of disinfection cotton swab and cotton ball can play hemostatic effect admittedly, but because the inside bacterium of hospital is numerous and various, simple cotton swab and cotton ball hemostasis can improve the risk that the bacterial infection takes place in patient's wound, the appearance of subsides of stanching from this just can be fine solution this type of problem.
The existing device has the defects that: the existing hemostatic plaster is usually fixed on the surface of skin by means of adhesive tapes, and is peeled off from the surface of the skin after the hemostatic purpose is finished by pressing, but because the adhesive tapes are of a flat structure, when the hemostatic plaster is peeled off, one corner of the hemostatic plaster can be obtained only after the edge of the hemostatic plaster is scratched, and then the hemostatic plaster is torn off from the surface of the skin, in the process, the scratching action can cause damage to the surface structure of the skin, and the skin scratching phenomenon can occur; the action of tearing results in the surface of skin to produce the stabbing sense, leads to the wound to tear and produces the secondary damage, is unfavorable for the recovery of wound, and then makes hemostatic plaster's use experience sense greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hemostatic plaster for transfusion to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hemostatic plaster for infusion, includes hemostasis device, leak protection strip, lower glue film, goes up the glue film and peel paper, the leak protection strip is installed to hemostasis device's both sides outer wall, one side outer wall of leak protection strip has lower glue film and rubberizing layer through glue bonding, and the rubberizing level is in the top of glue film down, there is peel paper bottom of hemostasis device through tie coat bonding, and the length of peel paper is good at hemostasis device's length, the inside of going up the glue film is fixed with the drawstring, and the drawstring runs through the inside that the rubberizing layer extended to get into glue film down, the inside of going up the glue film is fixed with ventilative cloth and second glue layer, and the second glue layer is located the top of ventilative cloth, the inside of going up the glue film is fixed with the glue paper, and the glue paper is located the top of second glue layer.
Preferably, an absorption layer and a flow guide layer are fixed inside the hemostasis device, the flow guide layer is located above the absorption layer, a disinfection layer is fixed inside the hemostasis device and located above the flow guide layer, an anti-seepage layer is fixed inside the hemostasis device and located above the disinfection layer.
Preferably, the hemostatic device has a size specification of 3cm by 7.5 cm.
Preferably, the inside of the barrier layer is filled with a proteolytic enzyme.
Preferably, the inside of the leak-proof strip is fixed with a serging and a leak-proof membrane, and the leak-proof membrane is positioned at one side of the serging.
Preferably, the waterproof membrane is made of degradable PE membrane material.
Preferably, a first glue layer and a non-woven fabric layer are fixed inside the lower glue layer, the non-woven fabric layer is located above the first glue layer, a waterproof film is fixed inside the lower glue layer, and the waterproof film is located above the non-woven fabric layer.
Preferably, a waterproof layer is fixed at the bottom of the release paper, a sticking film is fixed above the waterproof layer, and a bonding layer is fixed above the sticking film.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is provided with the upper rubber layer, the draw rope, the breathable cloth, the second rubber layer and the adhesive paper are sequentially arranged in the device, the upper rubber layer can rapidly and conveniently peel off the skin surface of a patient through the drawing of the draw rope after the hemostasis of the patient is finished, and the hemostasis paste does not need to be peeled off through violent modes such as scratching, tearing and the like, so that the hemostasis paste is more humanized in use; one end of the drawstring extends into the non-woven fabric layer and is connected with the lower adhesive layer, so that the lower adhesive layer can be slowly stripped from the skin surface of a patient by pulling the drawstring, and the whole hemostatic patch is further stripped, violent stripping modes such as stripping, tearing and the like are effectively avoided in the process, and the pricking feeling of the skin is reduced; the breathable cloth and the waterproof membrane can form a ventilation structure, so that the ventilation condition in the hemostatic patch is improved, and the recovery of the wound at the infusion needle hole in the hemostatic process is ensured; the second glue layer can connect the glue paper with the breathable cloth, and meanwhile, the other end of the drawstring can be obtained conveniently after the glue paper is torn, so that the drawstring is pulled, and the hemostatic patch is stripped; wherein the adhesive tape can form the closed protection to the rubberizing layer, provides the cover for the concealment of drawstring for hemostatic plaster keeps regular plane shape, thereby reduces hemostatic plaster's storage space.
Drawings
Fig. 1 is an overall sectional view of the present invention;
fig. 2 is a schematic bottom view of the present invention;
fig. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the structure of the bonding layer of the present invention;
fig. 5 is a schematic view of the structure at a of the present invention.
In the figure: 1. a hemostatic device; 101. an absorbing layer; 102. a flow guiding layer; 103. a disinfection layer; 104. an impermeable layer; 2. a leak-proof strip; 201. locking edges; 202. a leak-proof membrane; 3. a glue layer is arranged; 301. a first glue layer; 302. a non-woven fabric layer; 303. a water-resistant film; 4. coating a glue layer; 401. drawing the rope; 402. a breathable cloth; 403. A second glue layer; 404. gummed paper; 5. stripping paper; 501. a waterproof layer; 502. pasting a film; 503. and (6) bonding layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a hemostatic plaster for transfusion comprises a hemostatic device 1, leak-proof strips 2, a lower adhesive layer 3, an upper adhesive layer 4 and release paper 5, wherein the leak-proof strips 2 are arranged on the outer walls of two sides of the hemostatic device 1, the leak-proof strips 2 are installed, the liquid inside the hemostatic device 1 can be effectively prevented from permeating to two sides, the inner parts of the lower adhesive layer 3 and the upper adhesive layer 4 are prevented from being polluted, the inner adhesive layers of the lower adhesive layer 3 and the upper adhesive layer 4 are prevented from losing efficacy, and therefore the lower adhesive layer 3 and the upper adhesive layer 4 can be used normally; the upper rubber layer 4 can be pulled by the drawstring 401 after the hemostasis of the patient is finished, the hemostasis patch can be quickly and conveniently stripped from the skin surface of the patient without being stripped in violent modes such as scratching and tearing, so that the hemostasis patch is more humanized in use, the bottom of the hemostasis device 1 is bonded with the stripping paper 5 through the bonding layer 503, the length of the stripping paper 5 is longer than that of the hemostasis device 1, the stripping paper 5 can provide a protection and isolation effect for the hemostasis patch, when the hemostasis patch is not required to be used, the hemostasis device 1 can be isolated from the outside air by the stripping paper 5, the internal components of the hemostasis device 1 are protected from being volatilized and being polluted by floating dust and the like in the air, so that the effectiveness of the hemostasis device 1 is protected, the drawstring 401 is fixed inside the upper rubber layer 4, the drawstring 401 penetrates through the upper rubber layer 4 and extends into the lower rubber layer 3, one end of the drawstring 401 extends into the non-woven fabric layer 302, the lower adhesive layer 3 is connected with the lower adhesive layer 3, so that the skin surface of a patient can be slowly peeled off through the pulling of the drawstring 401, the peeling of the whole hemostatic patch is driven, violent peeling modes such as scratching and tearing are effectively avoided in the process, the skin prickling is reduced, the comfort and the humanization degree of the hemostatic patch are improved, the breathable cloth 402 and the second adhesive layer 403 are fixed inside the upper adhesive layer 4, the second adhesive layer 403 is positioned above the breathable cloth 402, the breathable cloth 402 and the leakage-proof film 202 can form a ventilation structure, the ventilation condition inside the hemostatic patch is improved, and the recovery of a wound at a transfusion needle hole in the hemostatic process is ensured; second glue layer 403's setting, can be to connecting adhesive tape 404 and ventilative cloth 402 together, also make things convenient for adhesive tape 404 to tear the back simultaneously, acquire the other end of drawstring 401 to pulling drawstring 401 realizes the peeling off of hemostatic plaster, the inside of going up glue film 4 is fixed with adhesive tape 404, and adhesive tape 404 is located the top of second glue layer 403, and adhesive tape 404 can form the closed protection to last glue layer 4, hides for the hidden of drawstring 401 provides, makes hemostatic plaster keep regular plane shape, thereby reduces hemostatic plaster's accommodation space.
Further, an absorption layer 101 and a diversion layer 102 are fixed inside the hemostatic device 1, the diversion layer 102 is located above the absorption layer 101, a disinfection layer 103 is fixed inside the hemostatic device 1, the disinfection layer 103 is located above the diversion layer 102, an impermeable layer 104 is fixed inside the hemostatic device 1, and the impermeable layer 104 is located above the disinfection layer 103, when the hemostatic device 1 is used for hemostasis, the absorption layer 101 inside the device can absorb blood flowing out from a wound at an infusion needle of a patient by pressing a hemostatic patch, at the moment, the diversion layer 102 inside the device can diffuse the blood absorbed in the absorption layer 101 into the disinfection layer 103, the space in the absorption layer 101 is evacuated, the absorption layer 101 can conveniently continue to absorb the blood flowing out from the wound, at the moment, a sterilized alcohol solution in the disinfection layer 103 can pass through the diversion layer 102 and the absorption layer 101 in sequence under the pressing effect, the wound of the transfusion needle hole of the patient is contacted with the transfusion needle hole, and the sterilization treatment is carried out on the wound, so that the wound is protected from being infected by bacteria; the impermeable layer 104 can effectively prevent external liquid from entering the inside of the hemostatic device 1 from the top of the hemostatic patch, thereby polluting the inside of the hemostatic device 1 and effectively reducing scrapping of the hemostatic patch.
Further, the size specification of hemostasis device 1 is 3cm 7.5cm, and outside this specification can guarantee that the patient can carry out the surrounding of full aspect to the infusion pinhole when the infusion, can also guarantee that the extension range of device can not too wide, avoids the waste of device material to controlling means's manufacturing cost.
Further, the inside of barrier layer 104 is filled with proteolytic enzyme, and proteolytic enzyme can decompose the protein in the inside blood of barrier layer 104, avoids providing the required nutrient substance of living for microorganism and other bacterium, and then guarantees this hemostatic bandage's sterility.
Further, a locking edge 201 and a leakage-proof film 202 are fixed inside the leakage-proof strip 2, the leakage-proof film 202 is positioned on one side of the locking edge 201, and the arrangement of the locking edge 201 can isolate the hemostatic device 1 from the leakage-proof strip 2, so as to ensure the installation of the leakage-proof strip 2; leak protection membrane 202 has certain gas permeability to guarantee that this hemostatic patch can form smooth route of ventilating with ventilative cloth 402 when using, and then increase the gas permeability of this hemostatic patch, leak protection membrane 202 adopts the environmental protection material to make in addition, changes the degradation, has reduced the harmful effects to the environment, makes the environmental protection nature reinforcing of this hemostatic patch.
Furthermore, the leakage-proof membrane 202 is made of degradable PE membrane material, the PE membrane is environment-friendly and nontoxic, pungent smell is not generated during use, and compared with an ordinary PE membrane, the membrane is high in degradation speed and environment-friendly.
Further, a first glue layer 301 and a non-woven fabric layer 302 are fixed inside the lower glue layer 3, the non-woven fabric layer 302 is located above the first glue layer 301, a waterproof film 303 is fixed inside the lower glue layer 3, the waterproof film 303 is located above the non-woven fabric layer 302, the first glue layer 301 can be attached to the skin surface of a patient, and then the hemostatic patch is fixed at the wound of an infusion needle hole of the patient to complete subsequent hemostatic work; the non-woven fabric layer 302 and the breathable cloth 402 have the same effect, so that when the hemostatic patch is used, the air permeability of the whole hemostatic patch can be increased, the wound is prevented from being inflamed, inflammation and the like, and the sanitation and safety of the device are improved; the waterproof membrane 303 can prevent the outside liquid from entering the hemostatic patch through the lower adhesive layer 3, so as to prevent the hemostatic patch from being polluted by the outside when in use, and prevent the wound from being infected by bacteria.
Further, a waterproof layer 501 is fixed at the bottom of the release paper 5, a pad pasting 502 is fixed above the waterproof layer 501, and a bonding layer 503 is fixed above the pad pasting 502, so that the waterproof layer 501 can protect liquid at the bottom of the hemostatic patch from entering the hemostatic patch, and the hemostatic patch is ensured to be sealed and stored; the film 502 is a layer of film paper, which is used as a transition device, and when the waterproof layer 501 and the bonding layer 503 are connected, the whole piece of release paper 5 can be completely peeled off from the bottom of the hemostatic adhesive by peeling, so that the subsequent hemostatic work is completed; the adhesive layer 503 is attached to connect and cover the release paper 5 with the hemostatic device 1, so as to protect and isolate the hemostatic device 1 and ensure the proper use of the hemostatic device 1.
The working principle is as follows: when people use the hemostatic patch to perform hemostasis on a pinhole wound after transfusion is finished, firstly, the release paper 5 is torn, the hemostatic device 1 is exposed, the pinhole wound is just opposite to the lower part of the hemostatic device 1, then, the hemostatic patch is fixed on the skin surface of a patient by using the lower adhesive layer 3, the upper surface of the hemostatic device 1 is pressed, blood at the pinhole wound is absorbed, diffused and disinfected, in the process, the blood at the wound is blocked due to the pressing effect, the hemostasis purpose is further completed, after the hemostasis is finished, the adhesive paper 404 is torn, the drawstring 401 in the adhesive layer 4 is extracted, then, the drawstring 401 is pulled, the whole hemostatic patch is slowly peeled off from the skin surface of the patient, the pricking feeling generated by the skin in the peeling process is reduced, and secondary tearing of the wound is avoided.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a hemostatic plaster is used in infusion, includes hemostasis device (1), leak protection strip (2), lower adhesive tape layer (3), goes up glue film (4) and peel off paper (5), its characterized in that: the outer walls of two sides of the hemostasis device (1) are provided with leak-proof strips (2), the outer wall of one side of each leak-proof strip (2) is bonded with a lower adhesive layer (3) and an upper adhesive layer (4) through glue, the upper adhesive layer (4) is positioned above the lower adhesive layer (3), the bottom of the hemostatic device (1) is bonded with release paper (5) through a bonding layer (503), the length of the release paper (5) is longer than that of the hemostatic device (1), a drawstring (401) is fixed inside the upper adhesive layer (4), and the drawstring (401) penetrates through the upper glue layer (4) and extends into the lower glue layer (3), a breathable cloth (402) and a second glue layer (403) are fixed inside the upper glue layer (4), and the second glue layer (403) is positioned above the breathable cloth (402), the glue paper (404) is fixed inside the upper glue layer (4), and the glue paper (404) is positioned above the second glue layer (403).
2. The hemostatic patch for infusion according to claim 1, wherein: an absorption layer (101) and a flow guide layer (102) are fixed inside the hemostasis device (1), the flow guide layer (102) is located above the absorption layer (101), a disinfection layer (103) is fixed inside the hemostasis device (1), the disinfection layer (103) is located above the flow guide layer (102), an anti-seepage layer (104) is fixed inside the hemostasis device (1), and the anti-seepage layer (104) is located above the disinfection layer (103).
3. The hemostatic patch for infusion according to claim 1, wherein: the hemostatic device (1) has a size specification of 3cm by 7.5 cm.
4. The hemostatic patch for infusion according to claim 2, wherein: the inside of the impermeable layer (104) is filled with a proteolytic enzyme.
5. The hemostatic patch for infusion according to claim 1, wherein: the inside of leak protection strip (2) is fixed with lockrand (201) and leak protection membrane (202), and leak protection membrane (202) are located one side of lockrand (201).
6. The hemostatic patch for infusion according to claim 5, wherein: the leakage-proof membrane (202) is made of degradable PE membrane material.
7. The hemostatic patch for infusion according to claim 6, wherein: the inside of lower glue film (3) is fixed with first glue layer (301) and non-woven fabrics layer (302), and non-woven fabrics layer (302) are located the top of first glue layer (301), the inside of lower glue film (3) is fixed with waterproof membrane (303), and waterproof membrane (303) are located the top of non-woven fabrics layer (302).
8. The hemostatic patch for infusion according to claim 1, wherein: a waterproof layer (501) is fixed at the bottom of the release paper (5), a sticking film (502) is fixed above the waterproof layer (501), and an adhesive layer (503) is fixed above the sticking film (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120038456.2U CN215231057U (en) | 2021-01-08 | 2021-01-08 | Hemostatic plaster for transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120038456.2U CN215231057U (en) | 2021-01-08 | 2021-01-08 | Hemostatic plaster for transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215231057U true CN215231057U (en) | 2021-12-21 |
Family
ID=79489679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120038456.2U Expired - Fee Related CN215231057U (en) | 2021-01-08 | 2021-01-08 | Hemostatic plaster for transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215231057U (en) |
-
2021
- 2021-01-08 CN CN202120038456.2U patent/CN215231057U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |