CN108114541B - Sterile operating room filter - Google Patents
Sterile operating room filter Download PDFInfo
- Publication number
- CN108114541B CN108114541B CN201711422443.XA CN201711422443A CN108114541B CN 108114541 B CN108114541 B CN 108114541B CN 201711422443 A CN201711422443 A CN 201711422443A CN 108114541 B CN108114541 B CN 108114541B
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- air
- air pressure
- lock chamber
- cabin
- fan
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- 230000001954 sterilising effect Effects 0.000 claims abstract description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 11
- 238000000746 purification Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 10
- 230000002421 anti-septic effect Effects 0.000 claims description 4
- 238000012372 quality testing Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims 2
- 238000011045 prefiltration Methods 0.000 description 6
- 230000002070 germicidal effect Effects 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
- B01D46/0006—Filter elements or cartridges installed in a drawer-like manner
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention relates to the technical field of medical equipment, in particular to an sterile operating room filter, which comprises a box body, wherein the box body is provided with an air inlet hole communicated with the outside and a th air outlet hole communicated with a cabin, a purification device and a laminar flow generation device are arranged in the box body, the purification device sequentially comprises a primary filter, an ultraviolet sterilization device and a high-efficiency air filter along the direction from the air inlet hole to the th air outlet hole, the primary filter, the ultraviolet sterilization device and the high-efficiency air filter are all connected with the side wall of the box body in a sliding manner, the box body is also provided with a maintenance port, and the primary filter, the ultraviolet sterilization device and the high-efficiency air filter can all slide out of the maintenance port.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to sterile operating room filters.
Background
On a rescue site, a sterile operating room which is isolated from the outside is often required to be quickly established to treat or isolate the wounded so as to prevent the wound of the wounded from being infected and life-threatening, and the sterile operating room generally comprises a main cabin and an air lock chamber, and the corresponding disinfection and filtration equipment is required to be equipped for sterilizing and disinfecting the environment in the cabin and the air lock chamber.
Current aseptic operating room is mostly through the laminar flow filter equipment who adopts the circulation direction that can control the air current, make the interior malleation environment that forms of cabin, it is tiny to form strands, the thin-layer air current, with even velocity of flow to same direction, make the air current from the high regional low region of flow direction cleanliness factor of cleanliness factor, take away and discharge dust particle (dust particle) and bacterium in the air current, keep the indoor environment not polluted, laminar flow filter equipment need take out the filter core after long-time work and change or clear up, current laminar flow filter equipment will take whole device apart in order to take out the filter core when maintaining at every turn, it is very inconvenient.
Disclosure of Invention
The invention aims to provide sterile operating room filters, which can solve the problem that the filters in the existing sterile operating room are inconvenient to maintain.
In order to solve the technical problem, the patent provides the following basic technical scheme:
aseptic operating room filter, the power distribution box comprises a box body, be equipped with on the box be used for with the fresh air inlet of external intercommunication and be used for exhaust vent with the cabin intercommunication, be equipped with purifier and laminar flow generating device in the box, purifier is used for disinfecting the filtration to the gas that the fresh air inlet got into, purifier includes prefilter, ultraviolet germicidal device and high-efficient air cleaner along the fresh air inlet to the direction of exhaust vent in proper order, prefilter, ultraviolet germicidal device and high-efficient air cleaner all with box lateral wall sliding connection, still be equipped with on the box and maintain the mouth, prefilter, ultraviolet germicidal device and high-efficient air cleaner homoenergetic are from maintaining the roll-off in the mouth.
According to the technical scheme, the maintenance opening is formed, and the primary filter, the ultraviolet sterilization device and the high-efficiency air filter are connected with the side wall of the box body in a sliding mode, so that the primary filter, the ultraviolet sterilization device and the high-efficiency air filter can slide out of the maintenance opening, the design similar to a drawer is realized, the filter element can be very conveniently drawn out of the box body, and maintenance work such as replacement or cleaning is facilitated for workers.
, a handle is arranged at the end of the prefilter, the ultraviolet sterilization device and the high-efficiency air filter, which is close to the maintenance port.
The personnel of being convenient for pull out prefilter, ultraviolet germicidal device and high-efficient air cleaner from maintaining the mouth, conveniently maintain.
, the laminar flow generating device comprises a fan, an air pressure control system and a laminar flow plate, wherein the fan is used for sucking air from the air inlet hole and filling the air into the cabin through the air outlet hole, the laminar flow plate is used for forming laminar flow of the air sucked by the fan, and the air pressure control system is used for controlling the cabin air pressure by controlling the air volume of the fan.
Generate the laminar flow through the laminar flow generating device, purify the cabin internal environment, guarantee through atmospheric control system that the cabin is in the malleation state, prevent that the external gas from polluting the cabin.
Step , still be equipped with the second exhaust vent that is used for with the air lock room intercommunication on the box, still be equipped with air lock room airflow generation device in the box, air lock room airflow generation device includes the second fan, the second fan is used for inhaling the air from the fresh air inlet and fills the air to the air lock is indoor through the second exhaust vent, air pressure control system still is used for the atmospheric pressure size through the air volume control air lock room of control second fan.
The air lock chamber is filled with clean air through the air lock chamber airflow generating device to purify the environment of the air lock chamber, and the pressure control device can enable the air pressure in the air lock chamber to be lower than the cabin air pressure to prevent the airflow from entering the cabin from the air lock chamber.
, the air pressure control system includes a sensor and an air pressure controller, the sensor includes an air pressure sensor and a personnel in-out sensor, the air pressure sensor is used for detecting the air pressure of the cabin and the air lock chamber, the personnel in-out sensor is used for detecting the personnel in-out data of the air lock chamber and the cabin, the air pressure controller is used for controlling the air volume of the th fan and the second fan according to the data of the sensor.
The personnel can be detected to enter and exit through the personnel entering and exiting sensing device, and the system can conveniently carry out automatic treatment when the personnel enter and exit so as to ensure that the cabin environment is not polluted.
And , the air pressure controller can increase the air pressure of the air lock chamber when the person is detected to enter or exit between the outside and the air lock chamber, and the air pressure controller can decrease the air pressure of the air lock chamber when the person is detected to enter or exit between the air lock chamber and the cabin.
The air pressure controller increases the air pressure of the air lock chamber when detecting that a person enters the air lock chamber from the outside or enters the outside from the air lock chamber, so as to prevent outside air from entering the air lock chamber; when the air pressure controller detects that a person enters the air lock chamber from the cabin or enters the cabin from the air lock chamber, the air pressure of the air lock chamber is reduced, and air flow of the air lock chamber is prevented from entering the cabin.
, the air pressure control system further comprises an alarm device capable of detecting the air pressure in the chamber and the air pressure in the chamber when a person enters or exits the chamber, the alarm device capable of sounding an alarm when the detected air pressure in the chamber is less than the air pressure in the chamber.
The air lock prevents the working personnel from entering and exiting the cabin when the air pressure of the cabin is less than the air pressure of the air lock chamber, and the cabin environment is prevented from being polluted.
And , universal wheels are arranged at the bottom of the box body, so that the mobile deployment is convenient.
And , the universal wheels are self-locking universal wheels, so that the whole device is conveniently fixed after deployment.
Drawings
FIG. 1 is a schematic diagram of a sterile operating room filter embodiment of the present invention.
Detailed Description
The invention is further illustrated in detail at by the following detailed description:
the reference numbers show that the box body 1, the cover plate 2, the air inlet 3, the th air outlet 4, the primary filter 5, the high-efficiency filter 6, the ultraviolet sterilization device 7, the handle 8, the guide groove 9, the guide strip 10, the laminar flow generating device 11 and the airlock airflow generating device 12.
As shown in fig. 1, the sterile operating room filter of the embodiment includes a box body 1, the box body 1 is provided with an air inlet 3 for communicating with the outside, an th air outlet 4 for communicating with a cabin, a second air outlet for communicating with an airlock room, and a maintenance port for maintaining equipment in the box body 1, and the box body 1 is provided with a purifying device, a laminar flow generating device 11 and an airlock room airflow generating device 12;
the purification device sequentially comprises a primary filter 5, an ultraviolet sterilization device 7 and a high-efficiency air filter along the direction from an air inlet 3 to an air outlet 4 of , the primary filter 5, the ultraviolet sterilization device 7 and the high-efficiency air filter all adopt the existing equipment, the whole sterile operating room filter adopts a drawer type design, the primary filter 5, the ultraviolet sterilization device 7, the high-efficiency air filter, a laminar flow generation device 11 and an air lock room airflow generation device 12 are independent drawers which are in sliding connection with the side wall of the box body 1, a guide strip 10 for each drawer to slide is arranged on the side wall of the box body 1, a guide groove 9 is arranged on the shell of each drawer, the primary filter 5, the ultraviolet sterilization device 7, the high-efficiency air filter, the laminar flow generation device 11 and the air lock room airflow generation device 12 can slide out from a maintenance port, a self-locking universal wheel is arranged at the bottom of the box body 1, and the purification device is convenient to.
In order to facilitate the person to pull out the prefilter 5, the ultraviolet sterilizer 7, the high-efficiency air filter, the laminar flow generator 11, and the airlock airflow generator 12 from the maintenance opening, a handle 8 is provided at an end of these devices near the maintenance opening.
The laminar flow generating device 11 comprises an th fan, an air pressure control system and a laminar flow plate, wherein the th fan is used for sucking air from the air inlet hole 3 and filling the air into the cabin through the th air outlet hole 4, the laminar flow plate is used for forming laminar flow of the air sucked by the th fan, and the air pressure control system is used for controlling the cabin air pressure by controlling the air volume of the th fan.
The air lock chamber airflow generating device 12 comprises a second fan, the second fan is used for sucking air from the air inlet hole 3 and filling air into the air lock chamber through a second air outlet hole, and the air pressure control system is also used for controlling the air pressure of the air lock chamber by controlling the air quantity of the second fan.
The air pressure control system comprises a sensor and an air pressure controller, the sensor comprises an air pressure sensor and a person in-out sensor, the air pressure sensor is used for detecting the air pressure of the cabin and the air lock chamber, the person in-out sensor is used for detecting the person in-out data of the air lock chamber and the cabin, and the air pressure controller is used for controlling the air volume of the th fan and the air volume of the second fan according to the data of the sensor.
In this embodiment, the air pressure controller is a single chip microcomputer, the people access sensors are arranged on of the air lock chamber and the cabin, for convenience of description, that the air lock chamber is communicated with the outside is forbidden to be called as second 0 forbidden, 1 that the air lock chamber is communicated with the cabin is forbidden to be called as 3 2 forbidden, the air pressure controller can judge whether a person needs to open 5 4 forbidden and second 6 forbidden and 7 is forbidden and second 8 forbidden according to signals of the people access sensors, and further obtain people access data, the people access sensors include a first pressure sensor that is arranged on a handle of first 9 forbidden and second forbidden 0 and a second pressure sensor that is arranged on a frame, the air pressure controller can detect whether a person holds the handle through the first pressure sensor, so as to detect whether a person needs to open a certain forbidden, and the air pressure controller can detect whether the door frame is pressed on the second pressure sensor, and further judge whether the door is opened.
The air pressure controller can increase the air pressure of the air lock chamber when detecting that a person enters and exits between the outside and the air lock chamber, the air pressure controller can reduce the air pressure of the air lock chamber when detecting that the person enters and exits between the air lock chamber and the cabin, an air pressure target value of the air lock chamber and a cabin air pressure target value are arranged in the air pressure controller, and the air pressure controller realizes the control of the air lock chamber and the cabin air pressure through a PID algorithm according to the air pressure target value and a detection value of the air pressure sensor.
The sensor also comprises an air quality detection device, the air quality detection device is used for detecting the air quality in the air lock chamber, the air pressure controller is in signal connection with the air quality detection device, and the air pressure controller can increase the air volume of the second fan when detecting that the air quality in the air lock chamber does not reach the standard.
Air quality testing device sets up at the indoor top of air lock, air quality testing device includes the collecting pipe, be equipped with the piston in the collecting pipe, the antiseptic solution is equipped with in the collecting pipe of piston top, be equipped with the hydrojet mouth on the collecting pipe lateral wall of piston top, be equipped with inlet port and venthole on the collecting pipe lateral wall of piston below, inlet port and venthole department all are equipped with the check valve, venthole department is equipped with air mass sensor, the push rod of piston is connected with axle power that second forbidden, when second forbidden to open, can drive the piston rebound, make the antiseptic solution spout from the hydrojet mouth, can drive piston downstream when second forbidden to close.
The air quality detection device has the advantages that the air quality detection device can automatically spray disinfectant to disinfect personnel entering the air lock chamber when the second is prohibited to open through the collecting pipe and the piston, and the piston can collect air from the air inlet and spray the air onto the air quality sensor when the second is prohibited to close due to the fact that the air in the air lock chamber is relatively clean and low in pollution degree, if the air quality cannot be accurately measured through a traditional air quality sensor, air contacted by the air quality sensor is increased, and accordingly detection accuracy is improved.
The air pressure control system also comprises an alarm device, the alarm device comprises a warning lamp, a buzzer and an alarm controller, the alarm controller is in signal connection with the air pressure controller, the air pressure of the cabin and the airlock and the entering and exiting data of personnel and the state of prohibition can be obtained from the air pressure controller, the alarm controller can compare and judge the cabin air pressure and the air pressure of the airlock when the personnel enter and exit the airlock from , and if the cabin air pressure is smaller than the air pressure of the airlock, the warning lamp and the buzzer are controlled to give an alarm.
It should be noted that, for those skilled in the art, without departing from the scope of the present invention, several variations and modifications may be made without departing from the scope of the present invention, which should not be construed as limiting the invention in any way, but rather as an aid for understanding the scope of the claims.
Claims (6)
1. The sterile operating room filter comprises a box body, wherein an air inlet hole communicated with the outside and a air outlet hole communicated with a cabin are formed in the box body, and a purification device and a laminar flow generation device are arranged in the box body;
the laminar flow generating device comprises an th fan, an air pressure control system and a laminar flow plate, wherein the th fan is used for sucking air from an air inlet hole and filling the air into the cabin through a th air outlet hole, the laminar flow plate is used for forming laminar flow of the air sucked by the th fan, and the air pressure control system is used for controlling the cabin air pressure by controlling the air volume of the th fan;
the box body is also provided with a second air outlet hole which is used for being communicated with the air lock chamber, the box body is also internally provided with an air lock chamber airflow generating device, the air lock chamber airflow generating device comprises a second fan, the second fan is used for sucking air from the air inlet hole and filling the air into the air lock chamber through the second air outlet hole, and the air pressure control system is also used for controlling the air pressure of the air lock chamber by controlling the air quantity of the second fan;
the air pressure control system comprises a sensor and an air pressure controller, the sensor comprises an air pressure sensor and a person entering and exiting sensor, the air pressure sensor is used for detecting the air pressure of the cabin and the air lock chamber, the person entering and exiting sensor is used for detecting the person entering and exiting data of the air lock chamber and the cabin, and the air pressure controller is used for controlling the air volume of the th fan and the air volume of the second fan according to the data of the sensor;
the sensor also comprises an air quality detection device, the air quality detection device is used for detecting the air quality in the air lock chamber, the air pressure controller is in signal connection with the air quality detection device, and the air pressure controller can increase the air volume of the second fan when detecting that the air quality in the air lock chamber does not reach the standard;
air quality testing device sets up at the indoor top of air lock, air quality testing device includes the collecting pipe, be equipped with the piston in the collecting pipe, the antiseptic solution is equipped with in the collecting pipe of piston top, be equipped with the hydrojet mouth on the collecting pipe lateral wall of piston top, be equipped with inlet port and venthole on the collecting pipe lateral wall of piston below, inlet port and venthole department all are equipped with the check valve, venthole department is equipped with air mass sensor, the push rod of piston is connected with axle power that second forbidden, when second forbidden to open, can drive the piston rebound, make the antiseptic solution spout from the hydrojet mouth, can drive piston downstream when second forbidden to close.
2. The sterile operating room filter of claim 1 wherein the primary filter, the UV sterilization device and the HEPA filter are provided with a handle at the end near the maintenance opening.
3. The sterile operating room filter of claim 1, wherein: the atmospheric pressure controller can increase the atmospheric pressure of air lock room when detecting personnel business turn over between external world and air lock room, atmospheric pressure controller can reduce air lock room atmospheric pressure when detecting personnel business turn over between air lock room and cabin.
4. The sterile operating room filter of claim 3, wherein: the air pressure control system further comprises an alarm device capable of detecting the cabin air pressure and the air pressure of the air lock chamber when a person enters or exits between the air lock chamber and the cabin, the alarm device capable of giving an alarm when the detected cabin air pressure is less than the air pressure of the air lock chamber.
5. A sterile operating room filter according to any one of claims 1 to 4 and , wherein the bottom of the box body is provided with universal wheels.
6. The sterile operating room filter of claim 5, wherein: the universal wheel is a self-locking universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422443.XA CN108114541B (en) | 2017-12-25 | 2017-12-25 | Sterile operating room filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711422443.XA CN108114541B (en) | 2017-12-25 | 2017-12-25 | Sterile operating room filter |
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| Publication Number | Publication Date |
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| CN108114541A CN108114541A (en) | 2018-06-05 |
| CN108114541B true CN108114541B (en) | 2020-01-31 |
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| CN201711422443.XA Active CN108114541B (en) | 2017-12-25 | 2017-12-25 | Sterile operating room filter |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744043B (en) * | 2018-09-27 | 2021-09-17 | 文小雅 | Tool sterilization chamber, assembly process and comprehensive sterilization method |
| CN109224666B (en) * | 2018-10-26 | 2021-02-09 | 浙江鸿盛新材料科技集团股份有限公司 | Modular filtering device, dust remover and mounting method of modular filtering device |
| CN110227302A (en) * | 2019-05-16 | 2019-09-13 | 湖南长海科技发展有限公司 | A kind of medical treatment aseptic operating room filter device |
| CN111070101B (en) * | 2019-11-21 | 2022-08-16 | 际华三五三四制衣有限公司 | Dust collecting equipment suitable for station of polishing |
| CN112833490B (en) * | 2021-01-07 | 2022-03-25 | 广东金鑫净化科技股份有限公司 | Laminar flow purification system of medical epidemic prevention operating room |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523817Y (en) * | 2002-03-04 | 2002-12-04 | 杜鸿钧 | Unit combined clean operation rooms |
| CN101158497A (en) * | 2007-11-15 | 2008-04-09 | 江苏苏净集团有限公司 | Control system for controlling the direction of airflow at clean chamber doorway |
| CN201239273Y (en) * | 2008-07-11 | 2009-05-20 | 东莞市利安达环境科技有限公司 | Medical laminar flow bed |
| CN103438537A (en) * | 2013-09-10 | 2013-12-11 | 苏州新区枫桥净化设备厂 | Ultra-clean workshop |
| CN104658626A (en) * | 2013-11-19 | 2015-05-27 | 中国舰船研究设计中心 | Nuclear and biochemical protecting square cabin for sea and land uses |
| CN206247507U (en) * | 2016-11-23 | 2017-06-13 | 林国扬 | A kind of filter core of air cleaning unit |
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