CN104713211B - clean operating room - Google Patents
clean operating room Download PDFInfo
- Publication number
- CN104713211B CN104713211B CN201310690016.5A CN201310690016A CN104713211B CN 104713211 B CN104713211 B CN 104713211B CN 201310690016 A CN201310690016 A CN 201310690016A CN 104713211 B CN104713211 B CN 104713211B
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- Prior art keywords
- air
- supply
- operating room
- operation table
- clean operating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
- F24F3/167—Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/38—Personalised air distribution
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The present invention relates to clean operating room, including operation table and air-blow ceiling, air-blow ceiling includes plenum chamber and the blast main being connected with plenum chamber, and operative incision position of the operation table based on patient is divided at least two subregions；Air-blow ceiling also includes at least two air-supply modules and one first module control unit；At least two air-supply modules are separate, the deflector that each air-supply module includes an air-supply storehouse and is arranged on air-supply storehouse lower surface；At least two air-supply storehouses are arranged side by side；First module control unit includes at least two first blowpipes; at least two first blowpipes connect one to one and are connected with plenum chamber respectively with least two air-supply modules; and control valve is provided with every one first blowpipe, operative incision site portion or fully open so that the clean gas flow of air-supply module blowout correspond at least one of at least two subregions and form incision protection area air-flow of the control valve at least two first blowpipes according to patient.The present invention can save the energy.
Description
Technical field
The present invention relates to a kind of operating room, is to be related to a kind of clean operating room specifically.
Background technology
The purpose for building clean operating room is exactly to use air purifying process, protects operative incision position, avoid its by
Bacterium infection, the dosage of antibiotic and its harmful effect to human body are reduced to greatest extent, accelerates wound healing, is promoted
Patient's early recovery.In order to ensure the cleanliness factor in operating room, the air-flow that need to rely in air-blow ceiling reasonable layout operating room, with
Climate state required for remaining indoor simultaneously removes the dust in air, microorganism, smell and pernicious gas.
Its air-blow ceiling of operating room of the prior art typically all uses monolithic construction, for example Chinese patent " Novel hand
Art room air-blow ceiling " (China Patent No. 201020101598.0)：A kind of novel operation room air-blow ceiling, including four casings
Unit, a plurality of filters in each box unit, the homogenizing plate on each box unit surface, box unit
It is connected with each other between any two, air-blow ceiling size is 3000*3000mm.The side of each box unit is equipped with pipe joint,
Access air conditioner air outlet.The operating room air-blow ceiling of this structure can increase laminar flow air supply areas, and air-flow is more uniformly distributed, covering
Area is bigger, reduces the risk of postoperative infection, installs organic glass baffle additional in air-blow ceiling surrounding, makes air-flow more towards perpendicular layers
Stream, avoids air flow shortcircuit and turbulent flow, the operating room air-blow ceiling housing of this structure is integral type structure, and whole air-blow ceiling is big
Small is 3000*3000mm, is whole operation table region corresponding to air-flow.
However, observation surgical procedure, we are it is seen that except extremely individual other such as fire victim, it is necessary to which large area is made skin graft
Operation be need to entire patient carry out sterility protection outside, other operations only need to protect surgical incision site,
For example operation of opening cranium is, it is necessary to which what is protected is the strength portion area above of patient；Open chest surgery is, it is necessary to which what is protected is the middle region of patient
Domain；Leg surgery is, it is necessary to which protection is patient's waist region below, then other regions beyond operative incision position are simultaneously not required to
Carry out sterility protection.
Therefore, for the air-blow ceiling that air-flow corresponds to whole operation table region, certainly will cause huge on the energy
Waste.
The content of the invention
The technical problems to be solved by the invention are to correspond to whole operation table area for traditional operation room air-blow ceiling air-flow
Domain, the problem of very big energy waste be present, there is provided a kind of clean operating room, its air-blow ceiling can correspond to patient's difference operative site
Air zoning is carried out, to reach the purpose for saving the energy.
To achieve these goals, clean operating room of the invention, including operation table and sending above operation table
Wind smallpox, the air-blow ceiling include plenum chamber and the blast main being connected with the plenum chamber（Pipeline）, the operation table
Operative incision position based on patient is divided at least two subregions；The air-blow ceiling also include at least two air-supply modules and
One first module control unit；Wherein, at least two air-supplies module is separate, and each air-supply module includes an air-supply storehouse
And it is arranged at the deflector on air-supply storehouse lower surface；At least two air-supply storehouses are arranged side by side；The first module control unit bag
At least two first blowpipes are included, at least two first blowpipe corresponds respectively with least two air-supply modules
Connect and be connected with the plenum chamber, and control valve is provided with every one first blowpipe, at least two first air-supply
Operative incision site portion or fully open so that the cleaning of the air-supply module blowout of the control valve according to patient on branch pipe
Air-flow corresponds at least one of at least two subregion and forms incision protection area air-flow.
Above-mentioned clean operating room, wherein, the plenum chamber is two, respectively positioned at the both sides of the air-blow ceiling, institute
The first blowpipe is stated to be connected to wherein on a plenum chamber；The air-blow ceiling also includes one second module control unit, described
Second module control unit includes at least two second blowpipes, and at least two second blowpipe is sent with least two
Wind module connects one to one and is connected with another plenum chamber respectively, and is provided with control valve on every one second blowpipe, institute
State operative incision site portion or fully open so that described of the control valve at least two second blowpipes according to patient
The clean gas flow of air-supply module blowout corresponds at least one of at least two subregion and forms incision protection area air-flow.
Above-mentioned clean operating room, wherein, operative incision position of the operation table based on patient is divided into upper zone, middle part
Area and the subregion of lower region three.
Above-mentioned clean operating room, wherein, the height of the deflector is 400~800 millimeters.
Above-mentioned clean operating room, wherein, formed between the upper surface of the lower surface of the deflector and the operation table
Air-flow decay area, the height of the air-flow decay area is 1400~1800 millimeters.
Above-mentioned clean operating room, wherein, at least two air-supply storehouses have a total length and an overall width after being arranged side by side,
The operation table has a length direction and a width, in respectively expanding 400 to both ends on the length direction of the operation table
~600 millimeters of one reference lengths of formation, in respectively expanding 400~600 millimeters of formation on the width of the operation table to both ends
One reference width, the total length are equal to the reference length, and the overall width is equal to the reference width.
Above-mentioned clean operating room, wherein, at least two air-supplies storehouse has identical length and width.
Above-mentioned clean operating room, wherein, the air-supply storehouse includes bulkhead and the bin enclosed by bulkhead, the bin
Filter is inside provided with, the bulkhead includes side wall and bottom wall, and the bottom wall has frame, and the deflector passes through mounting structure
It is arranged on the frame.
Above-mentioned clean operating room, wherein, the mounting structure includes gate and connector.Gate is by the first side
Wall, roof and second sidewall are formed by connecting；Connector is connected on the bottom wall through the roof.The gate also wraps
Include the first extension from the bottom of the first side wall to the second sidewall direction that extend from and by the second sidewall
The second extension that bottom extends to the first side wall direction, the first extension and the second extension into herringbone so that
The gate is the neck part with accommodation space, and the deflector has head and a body, and the width on the head is big
In the width of the body, the head is arranged in the accommodation space.
The beneficial functional of the present invention is that at least two air-supply modules can be according to the same luck in operative incision position of patient
It is capable or asynchronously run, a large amount of operating costs can be not only saved, mitigate the financial burden of patient, and it is non-to reduce patient
Sense of discomfort of the operative site by wind.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section on the direction of clean operating room one of the present invention；
Fig. 2 is the diagrammatic cross-section on the clean operating room other direction of the present invention；
Fig. 3 is the top view of the clean operating room of the present invention；
Fig. 4 is the floor map of the clean operating room of the present invention；
Fig. 5 a are the air-supply module and module control unit connection diagram of an embodiment air-blow ceiling；
Fig. 5 b are the air-supply module and module control unit connection diagram of another embodiment air-blow ceiling；
Fig. 6 is deflector scheme of installation.
Wherein, reference
10-operation table
11-upper zone
12-middle region
13-lower region
20-air-blow ceiling
21-plenum chamber
22-blast main
23-air-supply module
231-air-supply storehouse
2311-bulkhead
23111-side wall
23112-bottom wall
231121-frame
2312-bin
232-deflector
2321-head
2322-body
233-filter
234-mounting structure
2341-gate
23411-the first side wall
23412-roof
23413-second sidewall
23414-the first extension
23415-the second extension
2342-connector
24-the first module control unit
241-the first blowpipe
242-control valve
25-the second module control unit
251-the second blowpipe
252-control valve
30-operation room wallboard
L-total length
W-overall width
The height of h1-deflector
The height of h2-air-flow decay area
Embodiment
Technical solution of the present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings, to be further understood that
The purpose of the present invention, scheme and effect, but it is not intended as the limitation of scope of the appended claims of the present invention.
Refering to Fig. 1 to Fig. 5 a, as illustrated, the clean operating room of the present invention, including operation table 10 and positioned at operation table
The air-blow ceiling 20 of 10 tops, operation table 10 are arranged at the interior enclosed by operation room wallboard 30, and operation table 10 is based on suffering from
The operative incision position of person is divided at least two subregions.The main innovation point of the present invention is the design of air-blow ceiling, below
The structure of air-blow ceiling is described in detail.
Air-blow ceiling 20 is arranged on the top panel of operation room wallboard 30, including a plenum chamber 21, with plenum chamber 21
The blast main 22 being connected, at least two air-supply module control units 24 of module 23 and 1 first.At least two air-supply moulds
Block is separate, the deflector 232 that each air-supply module 23 includes an air-supply storehouse 231 and is arranged on the air-supply lower surface of storehouse 231；
At least two air-supply storehouses 231 are arranged side by side.First module control unit 24 includes at least two first blowpipes 241, at least
Two the first blowpipes 241 connect one to one and are connected with plenum chamber 21 respectively with least two air-supply modules, and each
Control valve 242 is provided with first blowpipe 241（The preferred motor-operated control valve of control valve）, at least two first blowpipes
Operative incision site portion or fully open so that the clean gas flow of air-supply module blowout corresponding extremely of the control valve according to patient
Few two subregions at least one and form incision protection area air-flow, in the present invention, air-flow is according to patient incision position point
For incision protection area air-flow and peripheral region air-flow, refering to Fig. 4, the air-flow in incision protection area is incision protection area air-flow, week
Air-flow in border area is peripheral region air-flow.
In the present invention, three subregions are divided into operation table, air-blow ceiling includes five air-supply modules as most preferred embodiment.
As shown in figure 4, operative incision position of the operation table 10 based on patient is divided into upper zone 11, middle region 12 and lower region 13 3
Subregion.The air-supply storehouse 231 of five air-supply modules has a total length L and an overall width W after being arranged side by side, operation table 10 has one
Length direction and a width, one is formed with reference to length in respectively expanding 400~600 millimeters on the length direction of operation table to both ends
Degree, a reference widths are formed in respectively expanding 400~600 millimeters on the width of operation table to both ends.Because air-flow is being run
During have certain decay, in order to ensure working face（That is the upper surface of operation table）Height section mean wind speed reaches technical specification
Standard, total length L are preferably equal to reference length, and overall width is preferably equal to reference width；The height h1 of deflector 232 be 400~
800 millimeters；Air-flow decay area is formed between the lower surface of deflector 232 and the upper surface of operation table 10, the air-flow decay area
Highly it is preferably 1400~1800 millimeters.
In the present embodiment, five air-supply storehouses have identical length and width.It is each air-supply storehouse 231 include bulkhead 2311 and
The bin 2312 enclosed by bulkhead 2311, is provided with filter 233 in bin 2312, bulkhead 2311 include side wall 23111 and
Bottom wall 23112, bottom wall 23112 have frame 231121, and deflector 232 is arranged on frame 231121 by mounting structure 234.
Refering to Fig. 5 b, the embodiment shown in Fig. 5 b has same structure with the embodiment shown in Fig. 5 a, different
It is：The number of plenum chamber 21 is two, connects each self-corresponding air-supply positioned at the both sides of air-blow ceiling, each plenum chamber 21 respectively
Supervisor 22, the first blowpipe 241 is connected to wherein on a plenum chamber（Such as the plenum chamber on the top in Fig. 5 b）, air-blow ceiling is also
Including one second module control unit 25, second module control unit 25 includes at least two second blowpipes 251, at least
Two the second blowpipes 251 and at least two air-supply modules 23 connect one to one respectively and with another plenum chamber 21（Such as figure
The plenum chamber of bottom in 5b）Connection, and control valve 252 is provided with every one second blowpipe 251, at least two second send
Operative incision site portion or fully open so that the cleaning of air-supply module blowout of the control valve 252 according to patient on wind branch pipe
Air-flow corresponds at least one of at least two subregions and forms incision protection area air-flow.In the present embodiment, first can be passed through
The module control unit 25 of module control unit 24 and second is controlled to clean gas flow simultaneously, can also pass through the first module control
The module control unit 25 of unit 24 or second processed is controlled to clean gas flow respectively.Wrapped with reference to refering to Fig. 6, mounting structure 234
Include gate 2341 and connector 2342.Gate 2341 is by the first side wall 23411, roof 23412 and second sidewall
23413 are formed by connecting；Connector 2342 is connected on bottom wall 23112 through roof 23412.Gate 2341 also includes by first
The first extension 23414 that the bottom of side wall extends to second sidewall direction and from the bottom of second sidewall to the first side wall side
To the second extension 23415 of extension, the first extension 23414 and the second extension 23415 are into herringbone, so that gate
For the neck part with accommodation space, deflector 232 has head 2321 and body 2322, and the width on head 2321 is more than this
The width in body portion 2322, head 2321 are arranged in accommodation space.Deflector 232 is adopted as flexible PVC material, and thickness is preferably
5mm, it realizes water conservancy diversion using principle of conducting oneself with dignity, simple in construction, is segmented plug-in type, convenient dismounting sterilization, also, deflector outward appearance can
Be designed to colour or it is patterned, with the fear and medical personnel's operating pressure effect with reduction of patient to operating room.
In the present embodiment, the configuration of five air-supply modules uses configuration as shown in table 1.As can be seen from Table 1, it is not at the same level
What the length and module number of other operating room air-blow ceiling were just as, difference is simply on the width of module.With reference to refering to figure
4, the operation logic of air-blow ceiling of the present invention is blown using block combiner, when carrying out head operation, opens the control in CDE modules
Valve processed, the control valve closed in AB modules；When carrying out the operation of patient's central region, the control valve in BCD modules is opened, is closed
The control valve closed in AE modules；When carrying out the operation of patient's lower area, the control valve in ABC modules is opened, closes DE moulds
Control valve on block.The above is three chunk combined runnings, and two modules or non-adjacent can be also carried out when incision protection is less demanding
Block combiner is run.When certainly if necessary to carry out whole body operation, the control valve in five modules of ABCDE can also be opened simultaneously.
The air-blow ceiling module allocation list of table 1
From the aforegoing it can be seen that the present invention uses combined modular air-blow ceiling theory, air-flow is refined as " incision protection
Area's air-flow " and " peripheral region air-flow ", because at least two air-supply modules can not simultaneously be run, it can not only save a large amount of operations
Cost, mitigate the financial burden of patient, and sense of discomfort of patient's No operation position by wind can be reduced, and filtered changing
Also certain expense can be saved on device.Generally speaking, hospital can not only save a large amount of operating costs, and the financial burden of patient also subtracts
Light, country also can correspondingly reduce the spending of the cost of medical insurance.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Know those skilled in the art when can be made according to the present invention it is various it is corresponding change and deformation, but these corresponding change and become
Shape should all belong to the protection domain of appended claims of the invention.
Claims (9)
1. a kind of clean operating room, including operation table and the air-blow ceiling above operation table, the air-blow ceiling include
Plenum chamber and the blast main being connected with the plenum chamber, it is characterised in that：
Operative incision position of the operation table based on patient is divided at least two subregions；
The air-blow ceiling also includes at least two air-supply modules and one first module control unit；
Wherein, at least two air-supplies module is separate, and each air-supply module includes an air-supply storehouse and is arranged at air-supply storehouse
Deflector on lower surface；At least two air-supply storehouses are arranged side by side；First module control unit includes at least two first
Blowpipe, at least two first blowpipe with least two air-supply modules connect one to one respectively and with it is described quiet
Case connection is pressed, and control valve is provided with every one first blowpipe, the control valve at least two first blowpipe
Operative incision site portion or fully open so that described in the clean gas flow of the air-supply module blowout is corresponding extremely according to patient
Few two subregions at least one and form incision protection area air-flow.
2. clean operating room according to claim 1, it is characterised in that the plenum chamber is two, respectively positioned at described
The both sides of air-blow ceiling, first blowpipe are connected to wherein on a plenum chamber；The air-blow ceiling also includes one second
Module control unit, second module control unit include at least two second blowpipes, and described at least two second send
Wind branch pipe connects one to one and is connected with another plenum chamber respectively with least two air-supply modules, and every one second blowpipe
On be provided with control valve, the control valve at least two second blowpipe according to patient operative incision site portion or
It is fully open so that the clean gas flow of the air-supply module blowout corresponds at least one and shape of at least two subregion
Into incision protection area air-flow.
3. clean operating room according to claim 1 or 2, it is characterised in that operation of the operation table based on patient is cut
Oral area position is divided into upper zone, middle region and the subregion of lower region three.
4. clean operating room according to claim 1 or 2, it is characterised in that the height of the deflector is 400~800
Millimeter.
5. clean operating room according to claim 1 or 2, it is characterised in that the lower surface of the deflector and the hand
Air-flow decay area is formed between the upper surface of art bed, the height of the air-flow decay area is 1400~1800 millimeters.
6. clean operating room according to claim 1 or 2, it is characterised in that at least two air-supply storehouses have after being arranged side by side
There are a total length and an overall width, the operation table has a length direction and a width, in the length of the operation table
Respectively expand 400~600 millimeters of one reference lengths of formation on direction to both ends, in each to both ends on the width of the operation table
Expand 400~600 millimeters of one reference widths of formation, the total length is equal to the reference length, and the overall width is equal to described
Reference width.
7. clean operating room according to claim 6, it is characterised in that at least two air-supplies storehouse has identical length
Degree and width.
8. clean operating room according to claim 1 or 2, it is characterised in that the air-supply storehouse includes bulkhead and by bulkhead
The bin enclosed, filter is provided with the bin, the bulkhead includes side wall and bottom wall, and the bottom wall has frame,
The deflector is arranged on the frame by mounting structure.
9. clean operating room according to claim 8, it is characterised in that the mounting structure includes：
The gate being formed by connecting by the first side wall, roof and second sidewall；And
Connector, it is connected to through the roof on the bottom wall；
Wherein, the gate also includes the first extension extended from the bottom of the first side wall to the second sidewall direction
Portion and the second extension extended from the bottom of the second sidewall to the first side wall direction, the first extension and second
Extension is into herringbone, so that the gate is the neck part with accommodation space, the deflector has head and sheet
Body portion, the width on the head are more than the width of the body, and the head is arranged in the accommodation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690016.5A CN104713211B (en) | 2013-12-16 | 2013-12-16 | clean operating room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310690016.5A CN104713211B (en) | 2013-12-16 | 2013-12-16 | clean operating room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104713211A CN104713211A (en) | 2015-06-17 |
| CN104713211B true CN104713211B (en) | 2017-11-10 |
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| CN201310690016.5A Active CN104713211B (en) | 2013-12-16 | 2013-12-16 | clean operating room |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698294A (en) * | 2016-03-04 | 2016-06-22 | 庄菊荣 | System and method for defending haze by adopting micro differential pressure |
| EP3501472A1 (en) * | 2017-12-20 | 2019-06-26 | Koninklijke Philips N.V. | Aerodynamic rail covers |
| CN108443967A (en) * | 2018-04-18 | 2018-08-24 | 浙江佩洁尔医疗科技有限公司 | A kind of movable type plasma for purification disinfection laminar flow hood |
| CN112230585B (en) * | 2020-10-29 | 2022-01-18 | 山东康诚医用设备工程有限公司 | Clean dynamic monitoring control system in operating room |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326072A (en) * | 2000-05-25 | 2001-12-12 | 杨锦耀 | Method and apparatus for cleaning local air for medical operation or nursing |
| JP4905679B2 (en) * | 2006-12-20 | 2012-03-28 | 株式会社日立プラントテクノロジー | Clean room |
| KR20110034090A (en) * | 2009-09-28 | 2011-04-05 | 주식회사 옴니벤트 | District-unit air conditioning equipment of air-carrying type using motorized diffuser integrating a damper and a diffuser |
| CN103267340B (en) * | 2013-05-29 | 2016-03-16 | 苏州大学 | A kind of clean operating room variable air rate becomes the air-supply arrangement of rank |
| CN203824012U (en) * | 2013-12-16 | 2014-09-10 | 中国中元国际工程有限公司 | Clean operating room |
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| CN104713211A (en) | 2015-06-17 |
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