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CN113679858A - Self-cleaning, degerming and mildew-removing device and method for blood refrigerating box - Google Patents

Self-cleaning, degerming and mildew-removing device and method for blood refrigerating box Download PDF

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Publication number
CN113679858A
CN113679858A CN202110982141.8A CN202110982141A CN113679858A CN 113679858 A CN113679858 A CN 113679858A CN 202110982141 A CN202110982141 A CN 202110982141A CN 113679858 A CN113679858 A CN 113679858A
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China
Prior art keywords
blood
water
temperature
refrigerator
self
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Pending
Application number
CN202110982141.8A
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Chinese (zh)
Inventor
孙晓雪
刘发柱
苏嵋华
慕吉升
王福滋
庞皓文
肖振
戚骥
崔宏伟
邱长义
刘欣
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Bingshan Songyang Biotechnology Dalian Co ltd
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Bingshan Songyang Biotechnology Dalian Co ltd
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Priority to CN202110982141.8A priority Critical patent/CN113679858A/en
Publication of CN113679858A publication Critical patent/CN113679858A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/14Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/005Mounting of control devices

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention provides a self-cleaning, degerming and mould-removing device and a method for a blood refrigerating box. The sterilization and mildew removal system is used for generating charged corpuscle water with a nanometer diameter and removing harmful substances in the blood refrigerating box body. The present invention focuses on the study of the environment inside the box body, and applies a method of applying charged corpuscle water and forming an environment in which a mist of charged corpuscle water is dispersed, the mist being supplied into a blood refrigerator cabinet, and the environment in which the mist of charged corpuscle water is dispersed is formed in the space. The method effectively inactivates bacteria, mold, odor, etc. in the blood refrigerator.

Description

Self-cleaning, degerming and mildew-removing device and method for blood refrigerating box
Technical Field
The invention relates to the technical field of medical blood refrigerating box equipment, relates to a cleaning method for an environment in a blood refrigerating box, and particularly relates to a self-cleaning, bacterium-removing and mould-removing device and method for the blood refrigerating box.
Background
The blood product refers to any therapeutic substance extracted from human blood, including whole blood, blood components and plasma-derived medicinal products, and is a bioactive preparation prepared from healthy human blood as a raw material by adopting a biological process or a separation and purification technology. Blood products currently have important applications in medical procedures. Blood is a scarce resource, the blood product resource is limited, and unreasonable phenomena still exist in the clinical application process of the blood products at present although strict examination is carried out. China strictly stipulates that the preservation temperature of whole blood and red blood cells is (4 +/-2) DEG C, and internationally stipulates that the preservation temperature is 2-8 ℃.
The blood refrigerator belongs to the refrigerator series and is mainly used for storing blood, and the blood is stored in the blood refrigerator in the form of blood bags. The internal structure of the refrigerating box can clearly distinguish the stored blood bags from four types of A type, B type, AB type and O type, each blood type is stored in a subarea, and a labeling clip is arranged in each area, so that a user can conveniently label the blood types; the internal structure of the refrigerating box can make the stored blood easy to be accessed; the storage plane has sufficient stability that it does not deform even when the bags are placed on only one side of the plane, and at the same time ensures this function when the refrigerator is moved. The use temperature of the blood refrigerator is 4 ℃, which provides a proper storage temperature for blood. However, due to the use environment of 4 ℃, bacteria are easy to breed, and mold, peculiar smell and the like are generated. If blood and blood products are stored in an inappropriate environment, their therapeutic effect can be affected to varying degrees. However, in actual work, the work of sterilizing and sanitation management of medical refrigerators is not put into place. Research shows that many refrigerators have problems in cleanliness and labeling mode, resulting in improper storage of drugs, blood and blood products. Hospitals analyze the working conditions of the existing medical refrigerators, but on the basis of the analysis, the research on reasonable improvement measures is far from enough.
At present, in the prior art, ultraviolet light is generally used for disinfecting and sterilizing the interior of a refrigerator, or a bamboo charcoal bag is used for absorbing peculiar smell in the refrigerator; although the method has the advantages of small volume, capability of being directly placed at any position of the refrigerator and no occupation of too much space, the method is excessively complicated in practical application, lacks of standard operation and has the risk of causing unexpected damage to the blood products stored in the refrigerator.
Japanese patent laid-open No. [ kokai ]2001-170514 describes that charged fine particulate water generated by applying an electric charge to water is used as an effective dust particle collecting agent because the charged fine particulate water has a high adsorption performance in the air. On the other hand, it is known that radicals are active chemical substances, and due to their high chemical activity, they are excellent in decomposing/deodorizing malodor components. However, since the free radicals are unstable in air, they have a short life span and often disappear before reacting with the malodor components. Therefore, it is difficult to sufficiently obtain the effect of the radical. Further, Japanese patent laid-open No. kokai 53-141167 or 2001-96190 describes cleaning air by means of radical-containing fine particulate water. However, since the charged fine particulate water has a micron-sized particle size, it is difficult to disperse the charged fine particulate water in space. Therefore, the effect of decomposing/deodorizing the bad-smelling components/bacteria adhered to the inside of the case in the blood refrigerator is still insufficient.
In view of the above problems in the prior art, it is necessary to design a self-cleaning, sterilizing and mold-removing method for a blood refrigerator to overcome the problems in the prior art.
Disclosure of Invention
In view of the above-mentioned problems, an apparatus and a method for self-cleaning, sterilizing and removing mold in a blood refrigerator are provided. The technical means adopted by the invention are as follows:
a self-cleaning, degerming and mold-removing device of a blood refrigerating box comprises: blood refrigerator body, refrigerating system and degerming system of dispelling mould, refrigerating system is used for cooling down to the inside of blood refrigerator body, degerming system of dispelling mould is used for generating the electrified corpuscle water of nanometer diameter, atomizes the electrified corpuscle water through mist generating device, and in the mist provided for blood refrigerator cabinet, the environment that forms the mist that disperses electrified corpuscle water in this space, dispels the harmful substance of the inside of blood refrigerator body.
Further, the refrigeration system comprises a compressor, a condenser, a throttling assembly and an evaporator which are sequentially connected, wherein the compressor is used for discharging high-temperature and high-pressure gas refrigerant, the condenser is used for cooling the high-temperature and high-pressure gas refrigerant into low-temperature and high-pressure gas refrigerant, the throttling assembly is used for throttling the low-temperature and high-pressure gas refrigerant into low-temperature and low-pressure gas-liquid mixed refrigerant, and the evaporator evaporates the low-temperature and low-pressure gas-liquid mixed refrigerant for cooling the interior of the blood refrigerating box.
Further, the evaporator is provided with an evaporation water box for collecting defrost water formed on the evaporator during a refrigeration cycle.
Furthermore, the evaporation water box is arranged in the area where the condenser is located, and the defrosting water in the evaporation water box is evaporated to the surrounding environment by utilizing waste heat formed by the condenser.
Furthermore, the output end of the evaporation water box is connected with a mist generating device in the blood refrigerating box through a water conveying device, and an electrode for converting the evaporation water into the charged corpuscle water is arranged between the output end of the evaporation water box and the water conveying device.
Further, an electric field strength of 700-1200V/mm is applied between the electrodes to obtain a mist of charged corpuscle water with a nano-particle size of 3-100nm and containing free radicals.
The invention also provides a self-cleaning, sterilizing and mould-removing method of the blood refrigerating box, which comprises the following steps:
step 1, controlling the internal temperature of the blood refrigerating box body to be 4 +/-2 ℃ by a control system based on the collected running state of the in-box temperature refrigerating system;
step 2, the control system controls the running state of the electrodes, applies high voltage between the electrodes, and conveys the obtained charged corpuscle water to a mist generating device in the blood refrigerating box through a water conveying device;
and 3, removing harmful substances in the blood refrigerator by the control system through controlling the running state of the mist generating device.
The invention has the following advantages:
1. the control system controls the refrigerating unit to ensure that the internal temperature of the blood refrigerating box body is kept at the preservation temperature in accordance with the regulation.
2. The refrigeration system can evaporate the defrosting water in the evaporating water box into the ambient air by utilizing the waste heat formed by the condenser, and simultaneously, the aim of cooling the condenser is fulfilled.
3. The diameter of the charged corpuscle water is nanometer, and the charged corpuscle water contains free radicals, so that the charged corpuscle water can be combined with stink, bacteria and the like in a blood refrigerator, harmful substances are effectively removed, and the effects of self-cleaning, sterilizing and removing mold are realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic view of the internal structure of the present invention.
In the figure: 1. generating device, 2, evaporating water box, 3, machine set, 4, door handle, 5, visual window, 6, blood refrigerator body
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the embodiment of the invention discloses a self-cleaning, bacteria-removing and mold-removing device for a blood refrigerator, comprising: blood refrigerator 6, refrigerating system and degerming system of dispelling the mould, refrigerating system is used for cooling down to the inside of blood refrigerator, degerming system of dispelling the mould is used for generating the electrified corpuscle water of nanometer diameter, atomizes the electrified corpuscle water through mist generating device, and in the mist provided for the blood refrigerator cabinet, the environment that forms the mist that disperses electrified corpuscle water in this space, dispels the harmful substance of the inside of blood refrigerator. In this embodiment, the refrigerating system and the degerming and mold-removing system are both arranged in the blood refrigerator body, and as an integrated design, the blood refrigerator body is provided with a door handle 4 and a visible window 5.
The refrigerating system comprises a refrigerating unit 3 which mainly comprises a compressor, a condenser, a throttling assembly and an evaporator which are sequentially connected, wherein the compressor sucks low-temperature low-pressure refrigerant gas from an air suction pipe and discharges high-temperature high-pressure gas refrigerant after compression, the condenser is used for cooling the high-temperature high-pressure gas refrigerant into low-temperature high-pressure gas refrigerant, the throttling assembly is used for throttling the low-temperature high-pressure gas refrigerant into low-temperature low-pressure gas-liquid mixed refrigerant, and the evaporator evaporates the low-temperature low-pressure gas-liquid mixed refrigerant to cool the interior of the blood refrigerating box. In the process, the evaporator absorbs the heat load in the blood refrigerating box, the temperature in the box is reduced, and the storage environment temperature of 4 ℃ in the box is ensured. In the embodiment, a representative position in the cabinet is provided with the temperature sensor, the temperature uniformity of the blood refrigerating box is not more than 3 ℃, the display deviation is 1.5 ℃, and the temperature fluctuation degree is not more than 2.5 ℃, so that the national standard requirement is met. The refrigerating system that this embodiment adopted can be for current ripe refrigerating system and box structure to under the condition to the minimum change of finished product, accomplish the self-purification degerming function of dispelling the mould of blood fridge.
The evaporator is provided with an evaporating water box 2, which is arranged below the unit part, the cabinet body. The evaporating water box is used for collecting defrosting water formed on the evaporator in the refrigerating cycle process.
The evaporation water box is arranged in the area where the condenser is located, and the defrosting water in the evaporation water box is evaporated to the surrounding environment by utilizing waste heat formed by the condenser.
The output end of the evaporation water box is connected with the mist generating device 1 in the blood refrigerating box through the water conveying device, and an electrode for converting the evaporation water into the charged corpuscle water is arranged between the output end of the evaporation water box and the water conveying device. The charged corpuscle water is transported to the mist generating device in the blood refrigerating box by the water transporting structure and the capillary phenomenon, thereby forming a charged corpuscle mist-shaped environment in the blood refrigerating box. The mist generating device is periodically sterilized based on the instruction of the controller. During defrosting, the defrosting water is left inside the evaporating water box through the drain pipe. Part of the heat of the condenser of the refrigerating system is radiated by natural convection, and the other part of the heat of the condenser is exchanged with the defrosting water by the inside of the evaporating water box. The structure can not only radiate heat for the condenser, but also evaporate the defrosting water, thereby avoiding the trouble of manually dumping the defrosting water. On the basis, the embodiment utilizes the evaporated water generated by the refrigerating system, the evaporated water is discharged to the evaporated water box, and the evaporated water box is used as a water supply unit, so that the secondary utilization of the evaporated water is realized.
700-1200V/mm electric field intensity is applied between the electrodes to obtain the mist of the charged micro-particle water with 3-100nm nanometer granularity and containing free radicals.
The invention also provides a self-cleaning, sterilizing and mould-removing method of the blood refrigerating box, which comprises the following steps:
step 1, the control system controls the internal temperature of the blood refrigerating box body to be 4 +/-2 ℃ based on the collected running state of the refrigerating system with the internal temperature, in the embodiment, the controller is based on a PID control principle, and the controller commands the compressor to start and stop by judging the evaporation temperature to adjust the internal temperature of the cabinet. (ii) a
Step 2, the control system controls the running state of the electrodes, applies high voltage between the electrodes, and conveys the obtained charged corpuscle water to a mist generating device in the blood refrigerating box through a water conveying device;
and 3, removing harmful substances in the blood refrigerator by the control system through controlling the running state of the mist generating device.
The present invention focuses on the study of the environment inside the box body, and applies a method of applying charged corpuscle water and forming an environment in which a mist of charged corpuscle water is dispersed, the mist being supplied into a blood refrigerator cabinet, and the environment in which the mist of charged corpuscle water is dispersed is formed in the space. The method effectively inactivates bacteria, mold, odor, etc. in the blood refrigerator.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. A self-cleaning degerming mould removing device of a blood refrigerating box is characterized by comprising: blood refrigerator body, refrigerating system and degerming system of dispelling mould, refrigerating system is used for cooling down to blood refrigerator body inside, creates degerming system of dispelling mould is used for generating the electrified corpuscle water of nanometer diameter, atomizes electrified corpuscle water through mist generating device, and in the mist provided for blood refrigerator cabinet, the environment that forms the mist that disperses electrified corpuscle water in this space, dispels the harmful substance of blood refrigerator body inside.
2. The self-cleaning sterilization and mold removal device for the blood refrigerator as claimed in claim 1, wherein the refrigeration system comprises a compressor, a condenser, a throttling assembly and an evaporator, which are connected in sequence, the compressor is used for discharging high-temperature and high-pressure gas refrigerant, the condenser is used for cooling the high-temperature and high-pressure gas refrigerant into low-temperature and high-pressure gas refrigerant, the throttling assembly is used for throttling the low-temperature and high-pressure gas refrigerant into low-temperature and low-pressure gas-liquid mixed refrigerant, and the evaporator evaporates the low-temperature and low-pressure gas-liquid mixed refrigerant for cooling the interior of the blood refrigerator.
3. The self-cleaning sterilization and mold-removal device for a blood refrigerator as claimed in claim 2, wherein the evaporator is provided with an evaporating water tank for collecting the defrosting water formed on the evaporator during the refrigerating cycle.
4. The self-cleaning sterilization and mold-removal device for a blood refrigerator as claimed in claim 3, wherein said evaporating water box is installed in the area of the condenser, and the defrosting water in the evaporating water box is evaporated to the ambient environment by the waste heat generated from the condenser.
5. The self-cleaning sterilization and mold-removal device for the blood refrigerator as claimed in claim 3 or 4, wherein the output end of the evaporated water box is connected with the mist generation device in the blood refrigerator through a water transportation device, and an electrode for converting the evaporated water into the charged corpuscle water is arranged between the output end of the evaporated water box and the water transportation device.
6. The self-cleaning, bacteria-removing and mold-removing device for a blood cooler as claimed in claim 5, wherein an electric field of 700-1200V/mm is applied between said electrodes to obtain a mist of charged micro-particle water with a particle size of 3-100nm and containing radicals.
7. A self-cleaning, degerming and mould-removing method of a blood refrigerating box is characterized by comprising the following steps:
step 1, controlling the running state of a refrigerating system by a control system based on the acquired temperature in the refrigerator, and controlling the temperature in the blood refrigerator body to be 4 +/-2 ℃;
step 2, the control system controls the running state of the electrodes, applies high voltage between the electrodes, and conveys the obtained charged corpuscle water to a mist generating device in the blood refrigerating box through a water conveying device;
and 3, removing harmful substances in the blood refrigerator by the control system through controlling the running state of the mist generating device.
CN202110982141.8A 2021-08-25 2021-08-25 Self-cleaning, degerming and mildew-removing device and method for blood refrigerating box Pending CN113679858A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110982141.8A CN113679858A (en) 2021-08-25 2021-08-25 Self-cleaning, degerming and mildew-removing device and method for blood refrigerating box

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Application Number Priority Date Filing Date Title
CN202110982141.8A CN113679858A (en) 2021-08-25 2021-08-25 Self-cleaning, degerming and mildew-removing device and method for blood refrigerating box

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CN113679858A true CN113679858A (en) 2021-11-23

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1774301A (en) * 2003-05-27 2006-05-17 松下电工株式会社 Charged water particle and method for creating environment where mist of charged water particle is dispersed
WO2007072811A1 (en) * 2005-12-22 2007-06-28 Matsushita Electric Works, Ltd. Electrostatic atomizer and food preserving cabinet with electrostatic atomizer
CN203731772U (en) * 2014-02-19 2014-07-23 松下冷链(大连)有限公司 Front-absorption front-dissipation forced evaporation type refrigerating unit
CN205045225U (en) * 2015-09-08 2016-02-24 中科美菱低温科技有限责任公司 Blood fridge of cavity blowing box
CN206782493U (en) * 2017-05-26 2017-12-22 四川大果医学检验有限公司 A kind of blood storage sterile board

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1774301A (en) * 2003-05-27 2006-05-17 松下电工株式会社 Charged water particle and method for creating environment where mist of charged water particle is dispersed
WO2007072811A1 (en) * 2005-12-22 2007-06-28 Matsushita Electric Works, Ltd. Electrostatic atomizer and food preserving cabinet with electrostatic atomizer
CN203731772U (en) * 2014-02-19 2014-07-23 松下冷链(大连)有限公司 Front-absorption front-dissipation forced evaporation type refrigerating unit
CN205045225U (en) * 2015-09-08 2016-02-24 中科美菱低温科技有限责任公司 Blood fridge of cavity blowing box
CN206782493U (en) * 2017-05-26 2017-12-22 四川大果医学检验有限公司 A kind of blood storage sterile board

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Application publication date: 20211123

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