CN102600545A - Medical wound surface block-free negative pressure treatment device - Google Patents
Medical wound surface block-free negative pressure treatment device Download PDFInfo
- Publication number
- CN102600545A CN102600545A CN2012100612507A CN201210061250A CN102600545A CN 102600545 A CN102600545 A CN 102600545A CN 2012100612507 A CN2012100612507 A CN 2012100612507A CN 201210061250 A CN201210061250 A CN 201210061250A CN 102600545 A CN102600545 A CN 102600545A
- Authority
- CN
- China
- Prior art keywords
- medical
- negative pressure
- drainage tube
- drainage
- wound surface
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 77
- 230000001225 therapeutic effect Effects 0.000 claims description 16
- 230000002262 irrigation Effects 0.000 claims description 6
- 238000003973 irrigation Methods 0.000 claims description 6
- 206010052428 Wound Diseases 0.000 abstract description 75
- 208000027418 Wounds and injury Diseases 0.000 abstract description 53
- 230000035876 healing Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 8
- 238000002560 therapeutic procedure Methods 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 5
- 230000037311 normal skin Effects 0.000 description 5
- 210000000416 exudates and transudate Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 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
- A61M1/91—Suction aspects of the dressing
- A61M1/912—Connectors between dressing and drainage tube
-
- 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
- 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
- A61M1/91—Suction aspects of the dressing
- A61M1/915—Constructional details of the pressure distribution manifold
-
- 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
- A61M1/92—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing with liquid supply means
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
- A61M2205/583—Means for facilitating use, e.g. by people with impaired vision by visual feedback
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a medical wound surface block-free negative pressure treatment device, which comprises medical drainage material and a drainage tube, wherein the medical drainage material is characterized in that the transparent or medical drainage material is at least provided with one transparent observation window. The medical drainage material disclosed by the invention is characterized in that the transparent or medical drainage material is provided with at least one transparent observation window. The healing status of the open wound or the wound surface can be directly observed through the transparent medical drainage material or the transparent observation window after the medical wound surface block-free negative pressure treatment device is pasted to the open wound or the wound surface, and the phenomenon that the wound or the wound surface is affected to heal because the medical wound surface block-free negative pressure treatment device need to be disassembled for observing the healing status of the open wound or the wound surface is avoided. The medical block-free negative pressure treatment device of the invention can be used as a medical wound surface block-free negative pressure treatment device.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly a kind of medical wound surface does not have the obstruction negative pressure therapeutic devices.
Background technology
Existing medical Wound-surface negative pressure therapy equipment generally refers to the special-purpose cushion of wound surface flushing-negative-pressure sealed drainage, and this special use cushion has the function of wound surface flushing and negative pressure drainage concurrently; Its structure comprises drain, syringe pipe and opaque medical drainage material; Use for ease, drainage tube and syringe pipe are divided into two sections, wherein; Drainage tube is divided into external drainage tube and built-in drainage tube, and built-in drainage tube partly or entirely is wrapped among the medical drainage material and has a plurality of side openings on the wall pipe.In the time of among built-in drainage tube all is wrapped in the medical drainage material; External drainage tube front end is embedded in the medical drainage material through a kind of; And the plug-in type flow sub that interface exposes to the medical drainage outer surface is connected with built-in drainage tube is dismantled and assembled, and external drainage tube rear end connects negative pressure source.The syringe pipe similar; And built-in syringe pipe is wrapped in the medical drainage material, front end inserts in the built-in drainage tube or stretch out with medical drainage material inner surface outside; Built-in syringe pipe rear end is same adopts a kind of being embedded in the medical drainage material, and the plug-in type flush-through connection that interface exposes to the medical drainage outer surface is connected with external syringe pipe removably.
At first; The medical drainage material of this medical Wound-surface negative pressure therapy equipment is attached on patient's the open wound or wound surface; Using medical sticking film then pastes the medical drainage material and is sealed on the normal skin; At last with external drainage tube with in external syringe pipe inserts corresponding construction and be connected negative pressure source and flushing device, start irrigation source and negative pressure source, promptly begin wound surface is washed and sepage or downright bad material drain etc.
Find that in use there is following shortcoming in said structure: existing medical drainage material is opaque material; So in the stroke of flushing process, sepage or downright bad material drain; Be difficult to observe directly the healing state on patient's open wound or the wound surface; Need could observe and recognize the healing state on open wound or the wound surface with after the medical Wound-surface negative pressure therapy equipment dismounting; In the stroke of flushing process, sepage or downright bad material drain; If built-in drainage tube stops up; Because of built-in drainage tube is embedded in the medical drainage material, can't handle it, need to change whole medical Wound-surface negative pressure therapy equipment and just can proceed flushing process, sepage or downright bad material drain; Operation is very inconvenient, and the medical Wound-surface negative pressure therapy equipment of frequent change meeting influences the healing of patient's wound surface.
Summary of the invention
The object of the invention is to provide a kind of medical wound surface not have the obstruction negative pressure therapeutic devices, and it can be in therapeutic process, and direct observation is wrapped in patient's open wound or the healing state on the wound surface under the medical drainage material.
The solution that the present invention solves its technical problem is: a kind of medical wound surface does not have the obstruction negative pressure therapeutic devices; Comprise that medical drainage material and front end inject the drainage tube of medical drainage material, said medical drainage material is to be provided with a transparent windows on the transparent or said medical drainage material at least.
As the further improvement of technique scheme, the some or all of covering medical drainage of said transparent windows material.
As the further improvement of technique scheme, the front end of said drainage tube places the medical drainage material or passes the medical drainage material, and the rear end of said drainage tube is attached to negative pressure source.
Further improvement as technique scheme; Described drainage tube comprises built-in drainage tube and external drainage tube; Said built-in drainage tube dismounting is in drainage tube; The tube wall of said built-in drainage tube is provided with the drain side opening, and the front end of said external drainage tube is inserted in built-in drainage tube, and said rear end can be attached to negative pressure source.
Further improvement as technique scheme also comprises syringe pipe joint and syringe pipe, said syringe pipe joint one end and syringe pipe socket connection, and the other end is attached to irrigation source; The front end of said syringe pipe stretches out medical drainage outer surface or side after placing the medical drainage material or passing the medical drainage material.
As the further improvement of technique scheme, said medical drainage outer surface is coated with gas impermeable material layer, and the area of said gas impermeable material layer is equal to, or greater than the medical drainage material.
The invention has the beneficial effects as follows: be on transparent or the medical drainage material at least one transparent observation window to be set on the medical drainage material among the present invention; So when the present invention is sticked on patient's the open wound or wound surface; Can be through transparent medical drainage material or transparent observation window direct observation open wound or the healing state on the wound surface, avoid needing that medical wound surface is had the negative pressure therapeutic devices of obstruction and not pulling down the healing that influences wound or wound surface for observing healing state on open wound or the wound surface.
Also be arranged among the present invention removable built-in drainage tube is set in the drainage tube, so in use, can and change, prevent that clogging from appearring in drainage tube the built-in drainage tube dismounting of stopping up.
The present invention can be used as medical wound surface does not have the use of the negative pressure therapeutic devices of obstruction.
Description of drawings
Below in conjunction with accompanying drawing and instance the present invention is further described.
Fig. 1 is the horizontal cross of specific embodiment one of the present invention;
Fig. 2 is the longitudinal section of specific embodiment one of the present invention;
Fig. 3 is the horizontal cross of specific embodiment two of the present invention;
Fig. 4 is the longitudinal section of specific embodiment two of the present invention;
Fig. 5 is the horizontal cross of specific embodiment three of the present invention;
Fig. 6 is the horizontal cross of specific embodiment four of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, specify application of the present invention.
To specific embodiment of the present invention shown in Figure 2, a kind of medical wound surface does not have the obstruction negative pressure therapeutic devices, comprises medical drainage material 1 and drainage tube 3 like Fig. 1; The front end side wall of drainage tube 3 is provided with the drain side opening, and medical drainage material 1 is transparent, and the front end of drainage tube 3 places medical drainage material 1; Drainage tube 3 comprises built-in drainage tube 5 and external drainage tube 2; Built-in drainage tube 5 dismounting are in drainage tube 3, and the tube wall of built-in drainage tube 5 is provided with the drain side opening, and the front end of external drainage tube 4 is inserted in built-in drainage tube 5; The rear end of external drainage tube 4 is attached to negative pressure source; Also comprise syringe pipe joint 6 and syringe pipe 7, syringe pipe joint 6 one ends and syringe pipe 7 socket connections, the other end is attached to irrigation source; The front end of said syringe pipe 7 stretches out medical drainage material 1 outer surface or side after placing medical drainage material 1 or passing medical drainage material 1., medical drainage material 1 outer surface is coated with gas impermeable material layer 8, and the area of gas impermeable material layer 8 is equal to, or greater than medical drainage material 1.
So in use; The present invention is covered on open wound or the wound surface; And the present invention is pasted and be sealed on the normal skin with medical sticking film, the rear end of external then drainage tube 2 can be attached to negative pressure source, and syringe pipe 7 connects irrigation source; Start negative pressure source and just can carry out drain open wound or wound exudate or downright bad material; Negative pressure source is generally-12 ~-18kPa, and can observe the healing state on open wound or the wound surface through transparent medical drainage material, avoid needing that medical wound surface is had the negative pressure therapeutic devices of obstruction and not pulling down the healing that influences wound or wound surface for observing healing state on open wound or the wound surface.In use; The imagination takes place to stop up if built-in drainage tube 5 occurs; Can built-in drainage tube 5 be disassembled and change a new built-in drainage tube 5, can guarantee operate as normal of the present invention, avoid occurring drainage tube 3 and stop up the phenomenon appearance that the back medical wound surface of replacing does not have the obstruction negative pressure therapeutic devices.
To specific embodiment of the present invention two shown in Figure 4, be that with specific embodiment 1 difference medical drainage material 1 is provided with at least one transparent observation window 4 like Fig. 3; Observation window 4 some or all of covering medical drainage materials 1, the number of the observation window in the present embodiment is five, part covers medical drainage material 1; Observation window is the polyvinyl alcohol member; So in use, the present invention is covered on open wound or the wound surface, and the present invention is pasted and be sealed on the normal skin with medical sticking film; The rear end of external then drainage tube 2 can be attached to negative pressure source; Syringe pipe 7 connects irrigation source, starts negative pressure source and just can carry out drain to open wound or wound exudate or downright bad material, and negative pressure source is generally-12 ~-18kPa; Can avoid not pulling down the healing that influences wound or wound surface through the healing state on observation window 4 observation open wounds or the wound surface for the healing state on observation open wound or the wound surface needs that medical wound surface is had the negative pressure therapeutic devices of obstruction.
Specific embodiment three among the present invention as shown in Figure 5; Be with specific embodiment 1 difference; Be that without part drainage tube 3 and the dismounting built-in drainage tube 5 in drainage tube 3 passes medical drainage material 1, so with specific embodiment one; When if the area of patient's open wound or wound surface is less than or equal to the area of medical drainage material 1; Can the drainage tube 3 and the built-in drainage tube 5 of the medical drainage material 1 that stretches out be cut off, and the present invention is pasted and be sealed on the normal skin, can wash, operations such as sepage or downright bad material drain with medical sticking film; If the area of patient's open wound or wound surface is during greater than the area of medical drainage material 1; Can be at new medical drainage material of the drainage tube that stretches out medical drainage material 13 overcoats, and with medical sticking film the present invention is pasted and be sealed on the normal skin can wash, operations such as sepage or downright bad material drain.
Specific embodiment of the present invention four as shown in Figure 6; Be without part with specific embodiment 2; Drainage tube 3 and the dismounting built-in drainage tube 5 in drainage tube 3 passes medical drainage material 1, so, and can be according to the area size of patient's open wound or wound surface; Cut off and seal drainage tube or at new medical drainage material of drainage tube front end sleeve, make the present invention and carry out follow-up treatment patient's open wound or wound surface parcel.
More than be that preferred embodiments of the present invention is specified; But the invention is not limited to said embodiment; Those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite of spirit of the present invention, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (6)
1. a medical wound surface does not have the obstruction negative pressure therapeutic devices; Comprise medical drainage material (1) and drainage tube (3), it is characterized in that: said medical drainage material (1) is provided with a transparent observation window (4) at least on the transparent or said medical drainage material (1).
2. medical wound surface according to claim 1 does not have the obstruction negative pressure therapeutic devices, it is characterized in that: said observation window (4) some or all of covering medical drainage material (1).
3. medical wound surface according to claim 1 and 2 does not have the obstruction negative pressure therapeutic devices; It is characterized in that: the front end of said drainage tube (3) places medical drainage material (1) or passes medical drainage material (1), and the rear end of said drainage tube (3) is attached to negative pressure source.
4. medical wound surface according to claim 3 does not have the obstruction negative pressure therapeutic devices; It is characterized in that: said drainage tube (3) comprises built-in drainage tube (5) and external drainage tube (2); Said built-in drainage tube (5) dismounting is in drainage tube (3); The tube wall of said built-in drainage tube (5) is provided with the drain side opening, and the front end of said external drainage tube (4) is inserted in built-in drainage tube (5), and the rear end of said external drainage tube (4) is attached to negative pressure source.
5. medical wound surface according to claim 3 does not have the obstruction negative pressure therapeutic devices; It is characterized in that: also comprise syringe pipe joint (6) and syringe pipe (7); Said syringe pipe joint (6) one ends and syringe pipe (7) socket connection, the other end is attached to irrigation source; The front end of said syringe pipe (7) stretches out medical drainage material (1) outer surface or side after placing medical drainage material (1) or passing medical drainage material (1).
6. medical wound surface according to claim 3 does not have the obstruction negative pressure therapeutic devices; It is characterized in that: said medical drainage material (1) outer surface is coated with gas impermeable material layer (8), and the area of said gas impermeable material layer (8) is equal to, or greater than medical drainage material (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100612507A CN102600545A (en) | 2012-03-09 | 2012-03-09 | Medical wound surface block-free negative pressure treatment device |
| PCT/CN2013/070500 WO2013131416A1 (en) | 2012-03-09 | 2013-01-16 | Medical block-free negative pressure wound surface therapy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100612507A CN102600545A (en) | 2012-03-09 | 2012-03-09 | Medical wound surface block-free negative pressure treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102600545A true CN102600545A (en) | 2012-07-25 |
Family
ID=46518555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100612507A Pending CN102600545A (en) | 2012-03-09 | 2012-03-09 | Medical wound surface block-free negative pressure treatment device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102600545A (en) |
| WO (1) | WO2013131416A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131416A1 (en) * | 2012-03-09 | 2013-09-12 | Zhu Xinsheng | Medical block-free negative pressure wound surface therapy device |
| CN109994031A (en) * | 2019-04-25 | 2019-07-09 | 四川大学 | A kind of animal model device of novel research skin wound healing |
| WO2023005082A1 (en) * | 2021-07-30 | 2023-02-02 | 万绵水 | Negative pressure treatment apparatus for vagina and manufacturing method therefor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108378988A (en) * | 2018-04-28 | 2018-08-10 | 武汉维斯第医用科技股份有限公司 | Built-in type rinses negative pressure closed drainage device comprehensively |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201643356U (en) * | 2010-05-18 | 2010-11-24 | 朱新生 | Negative pressure drainage device |
| CN202143745U (en) * | 2011-06-08 | 2012-02-15 | 张�杰 | Transparent negative pressure drainage device for arterialized venous flaps |
| CN202516141U (en) * | 2012-03-09 | 2012-11-07 | 朱新生 | Medical blockage-free negative pressure wound surface therapy device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005204432A1 (en) * | 2004-01-09 | 2005-07-28 | The Catheter Exchange, Inc. | Drain with occlusion removing structure |
| CN201439008U (en) * | 2009-08-01 | 2010-04-21 | 中国人民解放军兰州军区兰州总医院 | Portable manual negative-pressure draining device |
| EP2394677B1 (en) * | 2010-06-08 | 2013-01-02 | Aesculap AG | Medical product, in particular for removing body liquids from human and/or animal body cavities |
| CN201912520U (en) * | 2011-01-17 | 2011-08-03 | 朱新生 | Special soft pad for wound surface rinsing-negative pressure closed drainage |
| CN102218189A (en) * | 2011-06-13 | 2011-10-19 | 朱新生 | Special-purposed flexible cushion for negative pressure treatment |
| CN102600545A (en) * | 2012-03-09 | 2012-07-25 | 朱新生 | Medical wound surface block-free negative pressure treatment device |
-
2012
- 2012-03-09 CN CN2012100612507A patent/CN102600545A/en active Pending
-
2013
- 2013-01-16 WO PCT/CN2013/070500 patent/WO2013131416A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201643356U (en) * | 2010-05-18 | 2010-11-24 | 朱新生 | Negative pressure drainage device |
| CN202143745U (en) * | 2011-06-08 | 2012-02-15 | 张�杰 | Transparent negative pressure drainage device for arterialized venous flaps |
| CN202516141U (en) * | 2012-03-09 | 2012-11-07 | 朱新生 | Medical blockage-free negative pressure wound surface therapy device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131416A1 (en) * | 2012-03-09 | 2013-09-12 | Zhu Xinsheng | Medical block-free negative pressure wound surface therapy device |
| CN109994031A (en) * | 2019-04-25 | 2019-07-09 | 四川大学 | A kind of animal model device of novel research skin wound healing |
| WO2023005082A1 (en) * | 2021-07-30 | 2023-02-02 | 万绵水 | Negative pressure treatment apparatus for vagina and manufacturing method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013131416A1 (en) | 2013-09-12 |
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| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG MEIJIE WEITONG BIOTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHU XINSHENG Effective date: 20150604 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20150604 Address after: 510530, A7 building, No. 11, Kaiyuan Avenue, Guangzhou hi tech Industrial Development Zone, Guangdong, Guangzhou, Fourth Applicant after: GUANGDONG MEIJIE WAYSTECH BIOTECHNOLOGY CO., LTD. Address before: 510000 A7 building, No. 11, Kaiyuan Avenue, Guangzhou Science City, Guangdong, 4 Applicant before: Zhu Xinsheng |
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Application publication date: 20120725 |