CN107198574A - A kind of skin dilator and the method for expanding skin - Google Patents
A kind of skin dilator and the method for expanding skin Download PDFInfo
- Publication number
- CN107198574A CN107198574A CN201610176381.8A CN201610176381A CN107198574A CN 107198574 A CN107198574 A CN 107198574A CN 201610176381 A CN201610176381 A CN 201610176381A CN 107198574 A CN107198574 A CN 107198574A
- Authority
- CN
- China
- Prior art keywords
- pressure
- skin
- capsule
- water filling
- pipe
- 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
- 238000000034 method Methods 0.000 title claims description 13
- 239000002775 capsule Substances 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 230000008520 organization Effects 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000000338 in vitro Methods 0.000 claims description 4
- 238000001727 in vivo Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 210000003734 kidney Anatomy 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000008470 skin growth Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 210000003491 skin Anatomy 0.000 description 40
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000000741 silica gel Substances 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 231100000241 scar Toxicity 0.000 description 4
- 210000004872 soft tissue Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000302 ischemic effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000017423 tissue regeneration Effects 0.000 description 2
- 206010073753 Fear of injection Diseases 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 229910018540 Si C Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002316 cosmetic surgery Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000037311 normal skin Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 238000002278 reconstructive surgery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 206010040872 skin infection Diseases 0.000 description 1
- 230000036560 skin regeneration Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
- A61M29/02—Dilators made of swellable material
-
- 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
- A61M2205/04—General characteristics of the apparatus implanted
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/04—Skin
Abstract
The invention discloses a kind of skin dilator, including expand capsule, show that pressure capsule, pressure indicate pipe, water filling connecting tube and topping up jug；One end of the expansion capsule is connected by the water filling connecting tube with one end of the topping up jug；Described one end for showing pressure capsule indicates that pipe is connected with the pressure, and the pressure indicates that pipe is fixedly connected on one end of the topping up jug；The pressure indicates precharge of gas in pipe, described to show preliminary filling colored liquid in pressure capsule.User can safely and effectively be protected by implementing technical scheme, be seen a doctor in time.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of skin dilator.
Background technology
Skin tissue expander is exactly implanted into by expander as the distinctive advanced treatment method of plastic surgery
Lesion is nearby under normal skin soft tissue, by discontinuously to expansion intracapsular injection liquid to increase expansion capacity,
It is produced pressure to surface skin soft tissue, make tissue and epidermis thin local effect by expanding mechanism
The division growth of born of the same parents and space between cells are widened, so as to increase skin area, are taken out after expansion capsule, it is possible to use
The skin soft tissue newly increased carries out tissue repair and Organ Reconstruction.
At present, for the scar of burnt degree or other need dermoplastic in the case of, such as need to scar shaping or
Scar is cut off, and is typically to be embedded to skin tissue expander in the normal subcutaneous tissue of scar adjacent place.Skin
Skin soft tissue expander is clinical conventional promotion skin regeneration, obtains the method for repairing multiplex organization, can be passed through
Mechanically stretching stimulate, promote superficial cutaneous tissue regeneration, for clinical treatment provides regenerate repair multiplex organization.
But existing skin dilator can not accurately control the pressure of expansion, it is necessary in the medical center having wide experience
Water filling expansion in reasonable pressure could be carried out by the observations of the performances such as skin colour, tension force；In basic unit
Hospital is in therapeutic process, usually occurs, because expander water filling is too fast, intracapsular pressure is too high, causing surface
The pressure that skin is subject to is excessive, causes skin ischemic or even necrosis.
The content of the invention
It is of the invention the present invention discloses a kind of skin dilator in order to solve technical problem as described above
What technology was realized in：
A kind of skin dilator, including expand capsule, show that pressure capsule, pressure indicate pipe, water filling connecting tube and water filling
Kettle；One end of the expansion capsule is connected by the water filling connecting tube with one end of the topping up jug；It is described to show
The one end and the pressure for pressing capsule indicate that pipe is connected, and the pressure indicates that pipe is fixedly connected on the topping up jug
One end；The pressure indicates precharge of gas in pipe, described to show preliminary filling colored liquid in pressure capsule.
Preferably, it is described expansion capsule for can elastic dilatation silicon capsule.
Preferably, the substrate of the topping up jug has sheet metal.
Preferably, there is unidirectional or two-way flap valve in the topping up jug.
Preferably, the water filling connecting tube is placed in vitro, and the change of intraluminal pressure is observed at any time.
Preferably, the diameter of the water filling connecting tube is 2~5mm, and length is 5~15cm.
Preferably, the expansion capsule is shaped as circle, ellipse, kidney shape, semilune, rectangle or cylinder
Shape.
Preferably, the pressure indicates pipe in the inside of the water filling connecting tube.
Preferably, the pressure indicates that pipe is marked with groove.
Invention further discloses a kind of method for expanding skin, including：
Step one：Skin is cut, foregoing skin dilator is placed in vivo；
Step 2：Suture the skin cut；
Step 3：Intracapsular water filling is expanded from the topping up jug to described by the water filling connecting tube；
Step 4：There is pressure signal up to standard, stop water filling；
Step 5：Skin growth is waited, until there is the signal of insufficient pressure, return to step three；
Step 6：The expansion acquisition sufficient amount for completing skin repaiies multiplex organization, takes out skin dilator, completes
Prosthesis.
A kind of skin dilator of the present invention and the advantage of the method for expansion skin are：
1st, safe and efficient, protection user removes fear from；
2nd, low cost, it is novel in design；
3rd, hypertonia or during height, prompting user goes to hospital to handle in time.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
The accompanying drawing used required in example or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of skin dilator preferred embodiment；
Number explanation：1- expansions capsule, 2- show that pressure capsule, 3- pressure indicate pipe, 4- water fillings connecting tube, 5- topping up jugs.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
In a kind of embodiment of the present invention, a skin dilator, including expand capsule 1, show pressure capsule
2nd, pressure indicates pipe 3, water filling connecting tube 4 and topping up jug 5；One end of the expansion capsule 1 passes through the note
Water connecting tube 4 is connected with one end of the topping up jug 5；Described one end for showing pressure capsule 2 and the pressure are indicated
Pipe 3 is connected, and the pressure indicates that pipe 3 is fixedly connected on one end of the topping up jug 5；The pressure is indicated
Precharge of gas in pipe 3, it is described to show preliminary filling colored liquid in pressure capsule 2.
In the present invention, it is described to show preliminary filling colored liquid in pressure capsule 2, one end connection institute for showing pressure capsule 2
State pressure and indicate pipe 3, the pressure indicates precharge of gas in pipe 3, and preset pressure is such as 80mmHg.Institute
State pressure and indicate that pipe 3 is fixedly connected on one end of the topping up jug 5.By the water filling connecting tube 4 by institute
State the water filling into the expansion capsule 1 of topping up jug 5 to expand, when the pressure in the expansion capsule 1 is more than 80mmHg
When, the colored liquid shown in pressure capsule 2 extrudes the gas in the pressure instruction pipe 3, and enters described
Pressure indicates in pipe 3 that user is that the signal can be observed, and is further to make prompting accordingly.
When pressure is excessive, such as more than 100mmHg, injector can from vitro can from prompting internal pressure
Excessive signal；Insufficient pressure in the expansion capsule 1, when being, for example, less than 60mmHg, the pressure
Indicate in pipe 3 without colored liquid, illustrate that water injection rate not enough, points out user to go to hospital or voluntarily water filling.
In the preferred embodiment of the present invention, it is described expansion capsule 1 for can elastic dilatation silicon capsule.
The main component of silica gel is silica, and chemical property is stable, has very strong adsorption capacity, to the skin of people
Desiccation can be produced.In general, silica gel can be divided into organic silica gel and inorganic silica gel by its property and component
Two major classes.Inorganic silica gel is a kind of high activity sorbing material, and chemical property is stable, thermal stability is high, inhale
Attached performance is high, have higher mechanical strength.Organic silica gel is a kind of organo-silicon compound, is referred to containing Si-C
Key and at least one organic group is the compound being directly connected with silicon atom.Silicon capsule in the present invention is adopted
With inorganic silica gel, intensity is high, and stability is good.
In the preferred embodiment of the present invention, the substrate of the topping up jug 5 has sheet metal.Gold is set
The effect of category piece is to prevent syringe needle from puncturing too deep, wears out kettle bottom.
In the preferred embodiment of the present invention, there is unidirectional or two-way flap valve in the topping up jug 5.It is living
Valve is in closed state when no external force is acted on, and can be opened when under tension, event resolves
Afterwards again can be with self-closed.During water filling, the water in outside contamination topping up jug, energy after liquid injection can be avoided
Voluntarily close, will not be excessive from pin hole.
In the preferred embodiment of the present invention, the water filling connecting tube 4 is placed in vitro, is observed at any time
The change of intraluminal pressure.The water filling connecting tube 4 is placed in vitro, it is to avoid water filling connecting tube in vivo when,
The drawbacks of can not find water injection pipe, is also not easy skin infection, in addition, can better control over the speed of water filling
Degree, when intraluminal pressure is relatively low, points out user to go hospital's water filling.
In the preferred embodiment of the present invention, the diameter of the water filling connecting tube 4 is 2~5mm, long
Spend for 5~15cm.It is short and small and accurate, it is to avoid user sees the fear of injection needle.
In the preferred embodiment of the present invention, the expansion capsule 1 be shaped as circular, ellipse,
Kidney shape, semilune, rectangle or cylinder.The expansion capsule 1 is the silicon capsule of elastic dilatation, and intensity is high,
It is elastic big, on the premise of skin expansion requirement is met, during being filled with water, a variety of shapes can be taken.
In the preferred embodiment of the present invention, the pressure indicates pipe 3 in the water filling connecting tube 4
Inside.Show the volume of pressure capsule 2 described in the volume ratio of the expansion capsule 1 greatly, it is necessary to inject more water,
Therefore the diameter of the water filling connecting tube 4 indicates that the diameter of pipe 3 is big than the pressure, can keep smooth in water flow.
In addition, the pressure indicates that pipe 3 is located in the water filling connecting tube 4, it may be such that product overall volume is smaller,
Structure is simpler.
In the preferred embodiment of the present invention, the pressure indicates that pipe 3 is marked with groove.The pressure
Power indicates on pipe 3 from left to right, to indicate groove successively, such as numerical value be 100mmHg, 80mmHg and
60mmHg.When the colored liquid pressure shown in pressure capsule 2 is less than 60mmHg, user is pointed out to go
Hospital or voluntarily water filling；The colored liquid shown in pressure capsule 2 illustrates that pressure is in 80mmHg or so
Can with；When the colored liquid pressure shown in pressure capsule 2 is more than between 100mmHg, illustrate injection pressure
It is too high, water injection rate should be reduced.In another preferred embodiment, the pressure indicates the groove that pipe is marked with
Specific pressure value is not shown, but shows rational pressure limit.The pressure value shown when colored liquid
It is less than or during more than the scope, that is, points out user to take further action.
It is a kind of to expand the method for skin in a kind of embodiment of the present invention, including cut make first
User's skin, foregoing skin dilator is placed in vivo；The skin of incision is sutured again；Pass through the water filling
Connecting tube 4 expands water filling in capsule 1 from the topping up jug 5 to described；There is pressure signal up to standard, stop
Water filling；Skin growth is waited, until there is the signal of insufficient pressure, continues the water filling into expansion capsule 1；It is complete
Expansion acquisition sufficient amount into skin repaiies multiplex organization, takes out skin dilator, completes prosthesis.
From unlike the skin expansion method of prior art, in the embodiment of the present invention, using
Person can carry out skin expansion using presently disclosed skin dilator.So as to insert expander, skin
Grow, inject again repeatedly, during skin expansion is completed, remain that the pressure of expander exists
In rational scope, be not in skin because pressure is excessive, cause thickness too low, or even asking for ischemic occur
Topic.
It is important to note that this method and being not belonging to the Clinics and Practices method of disease.Skin expansion side
Method is mainly used in reduction reconstructive surgery industry, take this method target mainly by reach it is attractive in appearance for the purpose of,
And non-treatment disease.
It is pointed out that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to limit this
Invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc.,
It should be included in the scope of the protection.
Claims (10)
1. a kind of skin dilator, it is characterised in that including expansion capsule (1), show that pressure capsule (2), pressure refer to
Show pipe (3), water filling connecting tube (4) and topping up jug (5)；One end of the expansion capsule (1) passes through described
Water filling connecting tube (4) is connected with one end of the topping up jug (5)；Described one end for showing pressure capsule (2) and institute
State pressure and indicate pipe (3) connection, the pressure indicates that pipe (3) is fixedly connected on the topping up jug (5)
One end；The pressure indicates precharge of gas in pipe (3), described to show preliminary filling colored liquid in pressure capsule (2).
2. a kind of skin dilator as claimed in claim 1, it is characterised in that the expansion capsule (1)
For can elastic dilatation silicon capsule.
3. a kind of skin dilator as claimed in claim 2, it is characterised in that the topping up jug (5)
Substrate have sheet metal.
4. a kind of skin dilator as claimed in claim 2, it is characterised in that the topping up jug (5)
Inside there is unidirectional or two-way flap valve.
5. a kind of skin dilator as described in claim 3 or 4, it is characterised in that the water filling connection
Pipe (4) is placed in vitro, and the change of intraluminal pressure is observed at any time.
6. a kind of skin dilator as claimed in claim 5, it is characterised in that the water filling connecting tube (4)
Diameter be 2~5mm, length is 5~15cm.
7. a kind of skin dilator as claimed in claim 6, it is characterised in that the expansion capsule (1)
Be shaped as circle, ellipse, kidney shape, semilune, rectangle or cylinder.
8. a kind of skin dilator as claimed in claim 7, it is characterised in that the pressure indicates pipe (3)
In the inside of the water filling connecting tube (4).
9. a kind of skin dilator as claimed in claim 8, it is characterised in that the pressure indicates pipe (3)
It is marked with groove.
10. a kind of method for expanding skin, it is characterised in that including：
Step one：Skin is cut, skin dilator according to claims 1 to 9 is placed in vivo；
Step 2：Suture the skin cut；
Step 3：Capsule (1) is expanded from the topping up jug (5) to described by the water filling connecting tube (4)
Interior water filling；
Step 4：There is pressure signal up to standard, stop water filling；
Step 5：Skin growth is waited, until there is the signal of insufficient pressure, return to step three；
Step 6：The expansion acquisition sufficient amount for completing skin repaiies multiplex organization, takes out skin dilator, completes
Prosthesis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176381.8A CN107198574A (en) | 2016-03-17 | 2016-03-17 | A kind of skin dilator and the method for expanding skin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176381.8A CN107198574A (en) | 2016-03-17 | 2016-03-17 | A kind of skin dilator and the method for expanding skin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107198574A true CN107198574A (en) | 2017-09-26 |
Family
ID=59904593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610176381.8A Pending CN107198574A (en) | 2016-03-17 | 2016-03-17 | A kind of skin dilator and the method for expanding skin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107198574A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108771568A (en) * | 2018-07-13 | 2018-11-09 | 袁相凤 | A kind of skin dilator and its application method |
| CN111532596A (en) * | 2019-05-06 | 2020-08-14 | 重庆浩润包装有限责任公司 | Flexible container with anti-deformation inner bag |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB681199A (en) * | 1950-01-11 | 1952-10-22 | Jack Victor Dyer | Improvements in pressure indicating devices |
| CN2649106Y (en) * | 2003-09-18 | 2004-10-20 | 中国医学科学院北京协和医院 | Medical soft tissue sacculus dilator |
| US20060200187A1 (en) * | 2005-03-03 | 2006-09-07 | Gude Charlie F | Childbirth inflatable water/air vaginal obturator |
| CN2899826Y (en) * | 2005-10-20 | 2007-05-16 | 张建军 | Skin dilator capable of preventing injector needle penetration |
| CN205698044U (en) * | 2016-03-17 | 2016-11-23 | 上海交通大学医学院附属第九人民医院 | A kind of skin dilator |
-
2016
- 2016-03-17 CN CN201610176381.8A patent/CN107198574A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB681199A (en) * | 1950-01-11 | 1952-10-22 | Jack Victor Dyer | Improvements in pressure indicating devices |
| CN2649106Y (en) * | 2003-09-18 | 2004-10-20 | 中国医学科学院北京协和医院 | Medical soft tissue sacculus dilator |
| US20060200187A1 (en) * | 2005-03-03 | 2006-09-07 | Gude Charlie F | Childbirth inflatable water/air vaginal obturator |
| CN2899826Y (en) * | 2005-10-20 | 2007-05-16 | 张建军 | Skin dilator capable of preventing injector needle penetration |
| CN205698044U (en) * | 2016-03-17 | 2016-11-23 | 上海交通大学医学院附属第九人民医院 | A kind of skin dilator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108771568A (en) * | 2018-07-13 | 2018-11-09 | 袁相凤 | A kind of skin dilator and its application method |
| CN108771568B (en) * | 2018-07-13 | 2020-09-01 | 袁相凤 | Skin expander and using method thereof |
| CN111532596A (en) * | 2019-05-06 | 2020-08-14 | 重庆浩润包装有限责任公司 | Flexible container with anti-deformation inner bag |
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