CN202568632U - Bag-shaped vacuum wound dressing - Google Patents
Bag-shaped vacuum wound dressing Download PDFInfo
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- CN202568632U CN202568632U CN 201220195165 CN201220195165U CN202568632U CN 202568632 U CN202568632 U CN 202568632U CN 201220195165 CN201220195165 CN 201220195165 CN 201220195165 U CN201220195165 U CN 201220195165U CN 202568632 U CN202568632 U CN 202568632U
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- vacuum suction
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- wound
- dressing
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Abstract
The utility model relates to a bag-shaped vacuum wound dressing. Currently, the vacuum sealing drainage is a technology which is effective to treat a wound, but a conventional method is very complex to operate and has high requirements on a dressing material when being used for implementing the wound vacuum sealing drainage. The utility model aims to develop the bag-shaped vacuum wound dressing. The bag-shaped vacuum wound dressing structurally consists of a vacuum dressing bag 1, an inner layer medical sponge 3, a unidirectional aeration vacuum suction joint 4 and a vacuum suction tube 8; a micropipe cluster structure 5 and a check valve 6 are arranged in the umbrella-shaped unidirectional aeration vacuum suction joint 4; the check valve 6 is communicated with a vacuum suction source by the vacuum suction tube 8; and a thin film at the outer edge of the bottom surface of the aeration vacuum suction joint is a skirt part 7. The bag-shaped vacuum wound dressing has the advantages that a stabler negative pressure and a better drainage effect can be formed on a wound surface; the bag-shaped vacuum wound dressing takes effects of waterproofness, pollution prevention, cleaning, drainage and bleeding stoppage on the wound; and meanwhile, the working efficiency of rescuing personnel is improved and the rescuing difficulty and the working intensity are reduced.
Description
One, technical field
This utility model relates in a kind of therapeutic medical bag shape can form good negative pressure, be convenient to all kinds of wound wrappings, nursing, and can promote the external casting product of wound healing; Be a kind of bag of shape negative pressure wound wrapping dressing.
Two, background technology
In the treatment process of all kinds of wounds (traffic accident wound, burn, war wound etc.), wound and wound surface are wrapped up fast and effectively, very important for the treatment of wound.The negative-pressure sealed drainage technology be generally acknowledge at present both at home and abroad walk to otherwise effective technique for trauma care, but when implementing the negative-pressure sealed drainage of wound with traditional in the past method, its operation is very complicated, and wrapper material has been proposed very high requirement.The operator is difficult to grasp, and working strength is big and price is very expensive; Wound surface in wound; Especially form stable negative pressure drainage on the limbs wound surface and be not very simple thing; In the waterproof of traumatic wounds, anti-pollution, cleaning, drain and hemostasis etc.,, win treatment chance and therapeutic time to prevent wound infection; Promote the wound healing aspect, also do not have ideal negative pressure wound wrapping dressing.Ideal negative pressure wound wrapping dressing also should be simple in structure, and is easy to operate, is beneficial in treatment environment such as battlefield and uses quick acting fast.Improve treatment person's work efficiency, reduce the difficulty and the working strength of treatment; The kind that does not also have to satisfy these requirements in all kinds of dressing of using at present.
Three,
The utility model content
The purpose of this utility model provides a kind of bag of shape negative pressure wound wrapping dressing.Be used for all kinds of trauma care processes; Wound and wound surface especially limb trauma is carried out easily and fast, effectively wraps up; And can on wound surface, form stable negative pressure drainage, to reach waterproof to traumatic wounds, anti-pollution, cleaning, drain and hemostasis etc., prevent wound infection; Win treatment chance and therapeutic time, promote wound healing.Improve treatment person's work efficiency simultaneously, reduce the difficulty and the working strength of treatment.
For reaching above purpose, this utility model takes following technical scheme to be achieved: in order to understand conveniently, simultaneously referring to accompanying drawing, label is placed in the bracket after the parts title among the figure.
A kind of bag of shape negative pressure wound wrapping dressing; Form by negative pressure dressing bag (1), adsorption structure and fixing band; It is characterized in that: in adsorption structure: contact unidirectional ventilation vacuum suction joint (4) above the internal layer medical sponge (3); Adorn evenly distributed boundling microtubule (5) in the unidirectional ventilation vacuum suction joint (4); Work the unidirectional breather valve of UNICOM (6) above the boundling microtubule (5) that disperses negative pressure to form good drainage, the sucker of an external circular umbrella-unidirectional ventilation vacuum suction joint skirt section (7), unidirectional ventilation vacuum suction joint (4) connects vacuum suction pipe (8).
Described a kind of bag of shape negative pressure wound wrapping dressing; It is characterized in that: the local monolayer of negative pressure dressing bag (1) is positioned between internal layer medical sponge (3) and the unidirectional ventilation vacuum suction joint skirt section (7), and the local folded monolayer opening scope of the negative pressure dressing bag (1) in user mode is less than unidirectional ventilation vacuum suction joint skirt section (7).
Described a kind of bag of shape negative pressure wound wrapping dressing, it is characterized in that: unidirectional breather valve (6) is communicated with the vacuum suction source through vacuum suction pipe (8).
Advantage of this utility model and effect:
1, this utility model is owing to adopt simple structure, and is easy and simple to handle, and historical facts or anecdotes has showed a kind ofly can fast, effectively form stable, negative pressure drainage outstanding effect wrapping dressing on wound and wound surface.
2, the described bag of this utility model shape negative pressure wound wrapping dressing can carry out easily and fast wound and wound surface especially limb trauma, effectively wrap up.Win treatment chance and therapeutic time.
3, structural designs such as the described check valve of this utility model, boundling microtubule can form more stable negative pressure and better drainage effect on wound surface.
4, the high molecular film material of the permeable watertight that adopts of the described bag of this utility model shape negative pressure wound wrapping dressing reaches effects such as waterproof to traumatic wounds, anti-pollution, cleaning, drain and hemostasis.
5, this utility model is described can form good negative pressure and drain in wound surface, and obvious suppression wound surface bacteria planting, breeding are arranged, and prevents the effect of wound infection.
6, this utility model is described can form good negative pressure and drain in wound surface, and the effect of tangible promotion wound healing is arranged.
7, this utility model use is simple to operate, is prone to row.Can obviously improve treatment person's work efficiency, reduce the difficulty and the working strength of treatment.
8, the suction of sucker: it is comparatively desirable that the clinical experience value is that negative pressure maintains 0.04-0.02MP effect, feasiblely in case of necessity is interrupted the vacuum suction treatment, effective equally to wound surface.As long as be adhesively fixed wound covering, periphery, the method that wound covering, periphery are adhesively fixed is exactly traditional VSD dressing treatment method as a bandage appearance in wound wrapping dressing.But because the skin of wound surface periphery is often unclean, there have liquid to ooze out to be perhaps imperfect, often cause negative pressure to realize, the air-tightness of traditional in addition method vacuum suction pipe also can't guarantee.Compare with traditional method, the scope of application of this utility model is wider, and it is more convenient, quick to operate, and what negative pressure produced has higher success rate.
Four, description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment this utility model is done further to describe in detail.
Fig. 1 is single-piece negative pressure dressing bag 1 structural representation; Fig. 2 is unidirectional ventilation vacuum suction joint 4 overall structure sketch maps and fragmentary top TV structure sketch map thereof; Fig. 3 is the whole utilization structure sketch map of this utility model; Fig. 4 is the structural representation of looking up of Fig. 3; Fig. 5 is " microtubule bundle structure " enlarged diagram.
Label among the figure: 1, negative pressure dressing bag; 2, dressing bag opening; 3, internal layer medical sponge; 4, unidirectional ventilation vacuum suction joint; 5, boundling microtubule; 6, unidirectional breather valve; 7, unidirectional ventilation vacuum suction joint skirt section; 8, vacuum suction pipe; 9, sealant tape; 10, simulation injured limb.
Five, the specific embodiment
Referring to Fig. 1, be single-piece negative pressure dressing bag 1 structural representation, adopt waterproof thin layers of non-porous plastic sheeting to process the rectangle bag shaped structure of three limits closure, openings at one side; Certainly also can make other cylindrical bag shaped structures that waits, the shopping bag structure in the similar supermarket of rectangular band here can curl, fold; Be convenient to produce, its size can be any, like long 250mm～1500mm; Wide 150mm～500mm, film thickness 0.02mm～0.2mm.
Referring to Fig. 2; Be unidirectional ventilation vacuum suction joint 4 structural representations, unidirectional ventilation vacuum suction joint 4 adopts silica gel, plastic or other material to process umbrella shape sucker shape, and the bottom surface is circular; Diameter 20mm～60mm; There are microtubule boundling 5 structures inside, and the top, back is its base of a fruit, and unidirectional breather valve 6 structures are arranged in it.It is unidirectional ventilation vacuum suction joint skirt section 7 that unidirectional ventilation vacuum suction joint 4 bottom surface outer rims have the plastic sheeting of single face viscose glue.Above the base of a fruit through anti-folding, the anti-vacuum suction pipe 8 that subsides with the vacuum suction source or be called the negative pressure power source and be communicated with.
Like Fig. 3, shown in Figure 4; Whole utilization structure sketch map for this utility model; The bag shape negative pressure wound wrapping dressing of this utility model comprises negative pressure dressing bag 1, internal layer medical sponge 3, unidirectional ventilation vacuum suction joint 4, vacuum suction pipe 8, sealant tape 9 compositions.Nontoxic as separate piece-internal layer medical sponge 3 employings through aseptic process, high resiliency, the aging resistance medical sponge, thickness 5mm～20mm, long 150mm～250mm, wide 150mm～250mm, its area can be by the big or small cutting or the splicing of concrete wound area.In Fig. 3-Fig. 4; Earlier internal layer sponge 3 is fixed on the wound surface of simulation injured limb 10; Put negative pressure dressing bag 1 then; On the position of negative pressure dressing bag 1 corresponding internal layer medical sponge 3, punch, the size in hole should be not more than the size in unidirectional ventilation vacuum suction joint skirt section 7 again, unidirectional ventilation vacuum suction joint 4 and unidirectional ventilation vacuum suction joint skirt section 7 integral body is affixed on the place that punches of negative pressure dressing bag 1.Simultaneously referring to Fig. 2; Shell integral body is the big down minor structure that goes up; In evenly distributed boundling microtubule 5 is housed, the housing contraction places above the boundling microtubule 5 connect unidirectional breather valve 6, housing amplifications place below the boundling microtubule 5 connect unidirectional ventilation vacuum suction joint skirt section 7; Form the sucker of a circular area, this sucker directly contacts absorption with following internal layer medical sponge 3.Unidirectional breather valve 6 external port connect vacuum suction pipe 8, and vacuum suction pipe 8 stretches out and connects negative pressure power source or negative pressure pump.Can form negative pressure this moment in negative pressure dressing bag 1.
Use operation principle:
Described bag shape negative pressure wound wrapping dressing can be inserted in the injury or penetrate in the negative pressure dressing bag 1 in its use, and is long like the injury limbs, can't be inserted in, and can open the opposite side of negative pressure dressing bag 1 opening part, forms two openings.On the corresponding skin of negative pressure dressing bag 1 opening part, be coated with collodion, and with sealant tape 9 sealing openings.
Described bag shape negative pressure wound wrapping dressing; In its use at the wound and wound surface position corresponding negative pressure dressing bag 1; Promptly be covered with corresponding negative pressure dressing bag 1 places of medical sponge 3 and cut the hole, area be not more than unidirectional ventilation vacuum suction joint 4 base areas that will adopt.Utilizing the plastic sheeting of the single face viscose glue in skirt section 7 that unidirectional ventilation vacuum suction joint 4 is affixed on negative pressure dressing bag 1 cuts hole place and is communicated with the vacuum suction source, generation negative pressure negative pressure dressing bag 1 in.Boundling microtubule 5 structures in the unidirectional ventilation vacuum suction joint 4 can be good the dispersion negative pressure, and the liquid on the medical sponge 3 formed good drain, 6 refluences that can prevent liquids and gases of unidirectional breather valve.
Carry out according to the following step during use:
One, clean a wound earlier, debridement, processing activity property is hemorrhage, and dries the liquid on the surrounding skin.
Two, the wound and wound surface size is pressed on the internal layer sea and prune, spread on the wound surface, can use the binder simple fixation.
Three, the injury is inserted in the negative pressure dressing bag 1, can't be inserted in, can open the opposite side of negative pressure dressing bag 1 opening part, form two openings like the injury.On the corresponding skin of negative pressure dressing bag 1 opening part, be coated with collodion, and with sealant tape 9 sealing openings.
Four, at the wound and wound surface position, promptly be covered with the medical sponge place and cut the hole, area is not more than unidirectional ventilation vacuum suction joint 4 base areas.
Five, utilize the plastic sheeting of the single face viscose glue in skirt section that unidirectional ventilation vacuum suction joint 4 is affixed on negative pressure dressing bag 1 and cut hole place.
Six, connect vacuum suction pipe 8 through unidirectional ventilation vacuum suction joint 4 the base of a fruits and be communicated with the generation negative pressure with the vacuum suction source.
Claims (3)
1. bag shape negative pressure wound wrapping dressing; Form by negative pressure dressing bag (1), adsorption structure and fixing band; It is characterized in that: in adsorption structure: contact unidirectional ventilation vacuum suction joint (4) above the internal layer medical sponge (3); Adorn evenly distributed boundling microtubule (5) in the unidirectional ventilation vacuum suction joint (4); Work the unidirectional breather valve of UNICOM (6) above the boundling microtubule (5) that disperses negative pressure to form good drainage, the sucker of an external circular umbrella-unidirectional ventilation vacuum suction joint skirt section (7), unidirectional ventilation vacuum suction joint (4) connects vacuum suction pipe (8).
2. a kind of bag of shape negative pressure wound wrapping dressing according to claim 1; It is characterized in that: the local monolayer of negative pressure dressing bag (1) is positioned between internal layer medical sponge (3) and the unidirectional ventilation vacuum suction joint skirt section (7), and the local folded monolayer opening scope of the negative pressure dressing bag (1) in user mode is less than unidirectional ventilation vacuum suction joint skirt section (7).
3. a kind of bag of shape negative pressure wound wrapping dressing according to claim 1, it is characterized in that: unidirectional breather valve (6) is communicated with the vacuum suction source through vacuum suction pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220195165 CN202568632U (en) | 2012-05-04 | 2012-05-04 | Bag-shaped vacuum wound dressing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220195165 CN202568632U (en) | 2012-05-04 | 2012-05-04 | Bag-shaped vacuum wound dressing |
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| CN202568632U true CN202568632U (en) | 2012-12-05 |
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| CN 201220195165 Expired - Fee Related CN202568632U (en) | 2012-05-04 | 2012-05-04 | Bag-shaped vacuum wound dressing |
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Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434399A (en) * | 2014-12-22 | 2015-03-25 | 中国人民解放军第四军医大学 | Binding dressing specially used after limb dismemberment surgery |
| CN105916531A (en) * | 2013-11-13 | 2016-08-31 | 3M创新有限公司 | Pouch-shaped wound dressing system |
| CN106170275A (en) * | 2013-10-21 | 2016-11-30 | 史密夫和内修有限公司 | Negative pressure wound closure device |
| CN107397983A (en) * | 2017-08-29 | 2017-11-28 | 浙江保尔曼生物科技有限公司 | Wound healing and bone regeneration instrument |
| CN107929833A (en) * | 2017-12-28 | 2018-04-20 | 广州润虹医药科技股份有限公司 | A kind of anti-backflow negative pressure drainage device |
| CN108472159A (en) * | 2015-10-30 | 2018-08-31 | 洛雷恩社区学院创新基金会 | Wound therapy apparatuses and method |
| CN109789037A (en) * | 2016-08-19 | 2019-05-21 | T.J.史密夫及内修有限公司 | For monitoring patient mobile Reduced pressure treatment system and method |
| US10702420B2 (en) | 2012-05-22 | 2020-07-07 | Smith & Nephew Plc | Wound closure device |
| US11083631B2 (en) | 2012-07-16 | 2021-08-10 | University Of Massachusetts | Negative pressure wound closure device |
| US11097044B2 (en) | 2013-03-14 | 2021-08-24 | Smith & Nephew Plc | Compressible wound fillers and systems and methods of use in treating wounds with negative pressure |
| US11096832B2 (en) | 2016-09-27 | 2021-08-24 | Smith & Nephew Plc | Wound closure devices with dissolvable portions |
| US11103385B2 (en) | 2014-01-21 | 2021-08-31 | Smith & Nephew Plc | Wound treatment apparatuses |
| US11123226B2 (en) | 2012-05-22 | 2021-09-21 | Smith & Nephew Plc | Apparatuses and methods for wound therapy |
| US11123476B2 (en) | 2017-06-14 | 2021-09-21 | Smith & Nephew, Inc. | Fluid removal management and control of wound closure in wound therapy |
| US11166726B2 (en) | 2011-02-04 | 2021-11-09 | University Of Massachusetts | Negative pressure wound closure device |
| US11241337B2 (en) | 2012-05-24 | 2022-02-08 | Smith & Nephew, Inc. | Devices and methods for treating and closing wounds with negative pressure |
| US11324876B2 (en) | 2017-06-13 | 2022-05-10 | Smith & Nephew Plc | Collapsible structure and method of use |
| US11375923B2 (en) | 2017-08-29 | 2022-07-05 | Smith & Nephew Plc | Systems and methods for monitoring wound closure |
| US11395873B2 (en) | 2017-06-14 | 2022-07-26 | Smith & Nephew, Inc. | Control of wound closure and fluid removal management in wound therapy |
| US11419767B2 (en) | 2013-03-13 | 2022-08-23 | University Of Massachusetts | Negative pressure wound closure device and systems and methods of use in treating wounds with negative pressure |
| US11439539B2 (en) | 2015-04-29 | 2022-09-13 | University Of Massachusetts | Negative pressure wound closure device |
| US11471586B2 (en) | 2015-12-15 | 2022-10-18 | University Of Massachusetts | Negative pressure wound closure devices and methods |
| US11583623B2 (en) | 2017-06-14 | 2023-02-21 | Smith & Nephew Plc | Collapsible structure for wound closure and method of use |
| US11590030B2 (en) | 2017-08-07 | 2023-02-28 | Smith & Nephew Plc | Wound closure device with protective layer and method of use |
| US11607344B2 (en) | 2017-07-27 | 2023-03-21 | Smith & Nephew Plc | Customizable wound closure device and method of use |
| US11617684B2 (en) | 2016-11-02 | 2023-04-04 | Smith & Nephew, Inc. | Wound closure devices |
| US11724020B2 (en) | 2017-06-14 | 2023-08-15 | Smith & Nephew Plc | Collapsible sheet for wound closure and method of use |
| US11872110B2 (en) | 2017-06-13 | 2024-01-16 | Smith & Nephew Plc | Wound closure device and method of use |
-
2012
- 2012-05-04 CN CN 201220195165 patent/CN202568632U/en not_active Expired - Fee Related
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11166726B2 (en) | 2011-02-04 | 2021-11-09 | University Of Massachusetts | Negative pressure wound closure device |
| US10702420B2 (en) | 2012-05-22 | 2020-07-07 | Smith & Nephew Plc | Wound closure device |
| US11559439B2 (en) | 2012-05-22 | 2023-01-24 | Smith & Nephew Plc | Wound closure device |
| US11123226B2 (en) | 2012-05-22 | 2021-09-21 | Smith & Nephew Plc | Apparatuses and methods for wound therapy |
| US11241337B2 (en) | 2012-05-24 | 2022-02-08 | Smith & Nephew, Inc. | Devices and methods for treating and closing wounds with negative pressure |
| US11564843B2 (en) | 2012-07-16 | 2023-01-31 | University Of Massachusetts | Negative pressure wound closure device |
| US11083631B2 (en) | 2012-07-16 | 2021-08-10 | University Of Massachusetts | Negative pressure wound closure device |
| US11419767B2 (en) | 2013-03-13 | 2022-08-23 | University Of Massachusetts | Negative pressure wound closure device and systems and methods of use in treating wounds with negative pressure |
| US11097044B2 (en) | 2013-03-14 | 2021-08-24 | Smith & Nephew Plc | Compressible wound fillers and systems and methods of use in treating wounds with negative pressure |
| US10660992B2 (en) | 2013-10-21 | 2020-05-26 | Smith & Nephew, Inc. | Negative pressure wound closure device |
| CN106170275A (en) * | 2013-10-21 | 2016-11-30 | 史密夫和内修有限公司 | Negative pressure wound closure device |
| CN105916531B (en) * | 2013-11-13 | 2017-10-13 | 3M创新有限公司 | Pouch-shaped wound dressing system |
| CN105916531A (en) * | 2013-11-13 | 2016-08-31 | 3M创新有限公司 | Pouch-shaped wound dressing system |
| US11103385B2 (en) | 2014-01-21 | 2021-08-31 | Smith & Nephew Plc | Wound treatment apparatuses |
| CN104434399A (en) * | 2014-12-22 | 2015-03-25 | 中国人民解放军第四军医大学 | Binding dressing specially used after limb dismemberment surgery |
| CN104434399B (en) * | 2014-12-22 | 2017-06-16 | 中国人民解放军第四军医大学 | A kind of postoperative special wrapping dressing of limb dividing |
| US11439539B2 (en) | 2015-04-29 | 2022-09-13 | University Of Massachusetts | Negative pressure wound closure device |
| CN108472159A (en) * | 2015-10-30 | 2018-08-31 | 洛雷恩社区学院创新基金会 | Wound therapy apparatuses and method |
| CN108472159B (en) * | 2015-10-30 | 2021-02-19 | 洛雷恩社区学院创新基金会 | Wound treatment devices and methods |
| US11471586B2 (en) | 2015-12-15 | 2022-10-18 | University Of Massachusetts | Negative pressure wound closure devices and methods |
| CN109789037A (en) * | 2016-08-19 | 2019-05-21 | T.J.史密夫及内修有限公司 | For monitoring patient mobile Reduced pressure treatment system and method |
| US11564844B2 (en) | 2016-08-19 | 2023-01-31 | T.J.Smith And Nephew, Limited | Reduced pressure therapy systems and methods for monitoring patient movement |
| US11096832B2 (en) | 2016-09-27 | 2021-08-24 | Smith & Nephew Plc | Wound closure devices with dissolvable portions |
| US11617684B2 (en) | 2016-11-02 | 2023-04-04 | Smith & Nephew, Inc. | Wound closure devices |
| US11872110B2 (en) | 2017-06-13 | 2024-01-16 | Smith & Nephew Plc | Wound closure device and method of use |
| US11324876B2 (en) | 2017-06-13 | 2022-05-10 | Smith & Nephew Plc | Collapsible structure and method of use |
| US11395873B2 (en) | 2017-06-14 | 2022-07-26 | Smith & Nephew, Inc. | Control of wound closure and fluid removal management in wound therapy |
| US11583623B2 (en) | 2017-06-14 | 2023-02-21 | Smith & Nephew Plc | Collapsible structure for wound closure and method of use |
| US11123476B2 (en) | 2017-06-14 | 2021-09-21 | Smith & Nephew, Inc. | Fluid removal management and control of wound closure in wound therapy |
| US11690948B2 (en) | 2017-06-14 | 2023-07-04 | Smith & Nephew, Inc. | Fluid removal management and control of wound closure in wound therapy |
| US11724020B2 (en) | 2017-06-14 | 2023-08-15 | Smith & Nephew Plc | Collapsible sheet for wound closure and method of use |
| US11938002B2 (en) | 2017-06-14 | 2024-03-26 | Smith & Nephew, Inc. | Control of wound closure and fluid removal management in wound therapy |
| US11607344B2 (en) | 2017-07-27 | 2023-03-21 | Smith & Nephew Plc | Customizable wound closure device and method of use |
| US11590030B2 (en) | 2017-08-07 | 2023-02-28 | Smith & Nephew Plc | Wound closure device with protective layer and method of use |
| US11375923B2 (en) | 2017-08-29 | 2022-07-05 | Smith & Nephew Plc | Systems and methods for monitoring wound closure |
| CN107397983A (en) * | 2017-08-29 | 2017-11-28 | 浙江保尔曼生物科技有限公司 | Wound healing and bone regeneration instrument |
| CN107929833A (en) * | 2017-12-28 | 2018-04-20 | 广州润虹医药科技股份有限公司 | A kind of anti-backflow negative pressure drainage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150504 |
|
| EXPY | Termination of patent right or utility model |