CN211035770U - Cold precipitation preparation instrument with water purification function - Google Patents
Cold precipitation preparation instrument with water purification function Download PDFInfo
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- CN211035770U CN211035770U CN201921411857.7U CN201921411857U CN211035770U CN 211035770 U CN211035770 U CN 211035770U CN 201921411857 U CN201921411857 U CN 201921411857U CN 211035770 U CN211035770 U CN 211035770U
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Abstract
The utility model discloses a cryoprecipitation preparation appearance with water purification function. A cold precipitation preparation instrument with water purification function comprises: the heat exchange assembly comprises a heat exchange water tank; the temperature adjusting component is used for heating or refrigerating the water in the heat exchange water tank; the water purification assembly comprises a circulating water pump, a water storage tank and a water filtering module, wherein the circulating water pump, the water storage tank and the water filtering module are sequentially connected, and the circulating water pump and the water filtering module are respectively connected with the heat exchange water tank. The used water is filtered and stored through the water purification component, so that water recycling is realized, and the stored low-temperature water can be recycled to achieve the purpose of reducing energy consumption.
Description
Technical Field
The utility model belongs to the technical field of the preparation of cold precipitation blood coagulation factor, especially, relate to a cold precipitation preparation appearance with water purification function.
Background
Cryoprecipitation refers to plasma cryoprecipitation containing factor VIII and fibrinogen, and can treat patients who lack factor VIII and fibrinogen and bleed more and more or hemophilia patients, and with the change of automatic and intelligent equipment, the use of cryoprecipitation automatic preparation instruments is more and more common. For example, Chinese patent No. 201510756741.7 discloses a cryoprecipitated blood coagulation factor preparation instrument and a use method thereof, wherein a blood bag is mainly placed in constant-temperature water for melting. However, in the actual use process, after the cold precipitation operation is completed, the water in the preparation instrument needs to be discharged outside, and new water is injected in the next cold precipitation operation. This leads to waste of water resources and increased energy consumption. How to design a equipment that can reuse water resource and reduce the energy consumption is the utility model discloses the technical problem that will solve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide a cryoprecipitation preparation appearance, filter the storage through the water after the water purification subassembly is used, realize water cyclic utilization to can utilize the low temperature water reuse of storage in order to reach the purpose that reduces the energy consumption.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the utility model provides a cryoprecipitation preparation appearance with water purification function, include:
the heat exchange assembly comprises a heat exchange water tank;
the temperature adjusting component is used for heating or refrigerating the water in the heat exchange water tank;
the water purification assembly comprises a circulating water pump, a water storage tank and a water filtering module, wherein the circulating water pump, the water storage tank and the water filtering module are sequentially connected, and the circulating water pump and the water filtering module are respectively connected with the heat exchange water tank.
Further, the water filtering module comprises an activated carbon filter and a membrane filter which are connected together, wherein the activated carbon filter is connected with the heat exchange water tank, and the membrane filter is connected with the water storage tank.
Furthermore, a booster pump is arranged between the heat exchange water tank and the water filtering module.
Furthermore, the temperature adjustment assembly comprises a refrigerating unit and an electric heating component, the refrigerating unit comprises a compressor, a condenser, a throttling device and an evaporator which are connected together, and the evaporator and the electric heating component are arranged on the heat exchange water tank.
Further, the electric heating part is an electric heating pipe or an electric heating sheet.
Furthermore, the temperature adjusting component is a semiconductor refrigerating piece, and the semiconductor refrigerating piece is used for heating or refrigerating water in the heat exchange water tank.
Furthermore, the semiconductor refrigeration piece is attached to the outside of the heat exchange water tank; or the semiconductor refrigeration piece is provided with a heat pipe, and the heat pipe is arranged on the heat exchange water tank.
Furthermore, the heat exchange assembly further comprises a temperature sensor arranged in the heat exchange water tank, and the temperature sensor is used for triggering the temperature adjusting assembly to heat or refrigerate.
Further, the method also comprises the following steps: the weighing assembly comprises a weighing container and a weighing module, the weighing container is located below the heat exchange water tank, and the weighing module is used for weighing the weight of the stored materials in the weighing container.
Further, the method also comprises the following steps: the heat exchange water tank is arranged on the rack; the weighing assembly further comprises a mounting bracket, the weighing module and the weighing container are arranged on the mounting bracket, and the mounting bracket is fixed on the rack.
Compared with the prior art, the utility model discloses an advantage is with positive effect: through connecting water purification subassembly on the heat transfer basin, water in the heat transfer basin filters and saves in the water storage tank through water filter module after using up, like this, just, the storage has a certain amount of microthermal water in the water storage tank, when carrying out the cryoprecipitation operation next time, pour into the water in the water storage tank into the heat transfer basin again through circulating water pump in order to realize the reuse water resource, and simultaneously, the temperature degree of pouring into in the heat transfer basin is lower, reduce the required power consumption of the subassembly operation that adjusts the temperature, in order to reduce the energy consumption.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the refrigeration apparatus of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the refrigeration apparatus of the present invention;
fig. 3 is a sectional view of an embodiment of the refrigeration apparatus of the present invention;
fig. 4 is an assembly view of the water-proof heat-conducting sleeve and the shelf in the embodiment of the refrigeration equipment of the present invention;
fig. 5 is an assembly view of a weighing assembly in an embodiment of the refrigeration apparatus of the present invention;
fig. 6 is a partial sectional view of an embodiment of the refrigeration device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-6, the cryoprecipitation preparation instrument provided by the utility model adopts a water bath thawing mode to thaw fresh frozen plasma and complete the cryoprecipitation treatment. Wherein, the cold precipitation preparation instrument is provided with at least the following components: a heat exchange component 1 and a temperature regulating component 2. The heat exchange component 1 is used for unfreezing frozen plasma in a water bath heating and unfreezing mode, and the temperature adjusting component 2 is used for adjusting the temperature of the water bath in the heat exchange component 1. The specific structure is described with reference to the accompanying drawings.
The heat exchange assembly 1 is typically provided with a heat exchange water tank 11, the heat exchange water tank 11 being used to inject water to form a water bath for heating and thawing the frozen plasma. Wherein, in order to reduce the pollution that the water bath unfreezes the in-process and cause the blood bag, heat exchange assembly 1 still includes water proof heat conduction cover 12, and water proof heat conduction cover 12 sets up in heat transfer basin 11.
In the actual use process, after a certain amount of water is injected into the heat exchange water tank 11 and the temperature of the water is adjusted to the required temperature through the temperature adjusting assembly 2, the blood bag containing fresh frozen blood plasma is placed into the water-resisting heat-conducting sleeve 12, and the water-resisting heat-conducting sleeve 12 is soaked in the water bath formed by the heat exchange water tank 11. The water in the heat exchange water tank 11 can be subjected to heat transfer through the water-stop heat conduction sleeve 12 to heat the blood bag in the water-stop heat conduction sleeve 12, so that the purpose of thawing in a water bath heating manner is achieved. And in the heating and unfreezing process, the blood bag is isolated from water through the water-proof heat conduction sleeve 12, so that the surface of the blood bag after treatment is free from residual water pollution, and the later-stage use safety and reliability are improved.
Preferably, since the water in the heat exchange water tank 11 needs to be maintained within a set temperature range, the heat exchange water tank 11 is heat-preserved. The heat exchange water tank 11 adopts a heat insulation structure, that is, the heat exchange water tank 11 comprises a shell, an inner container and a heat insulation layer, wherein the inner container forms a water tank structure and is used for containing water, the inner container is positioned in the shell, and the heat insulation layer is formed between the shell and the inner container to play a role in heat insulation.
To water proof heat conduction cover 12 in the in-service use in-process, the open-top of water proof heat conduction cover 12 can not submerge in aqueous, for this reason, for the convenience of supporting installation water proof heat conduction cover 12, the upper portion of heat transfer basin 11 is provided with shelf 111, and water proof heat conduction cover 12 hangs on shelf 111. Specifically, the shelf 111 is placed on the upper portion of the heat exchange water tank 11, the water-stop heat-conductive sleeve 12 is installed through the shelf 111, the water-stop heat-conductive sleeve 12 is installed on the shelf 111 in a hanging manner, and the lower portion of the water-stop heat-conductive sleeve 12 can be immersed in the water bath of the heat exchange water tank 11. In order to conveniently pick and place the water-blocking heat-conducting sleeve 12, a plurality of mounting openings (not marked) are formed in the shelf 111, and the water-blocking heat-conducting sleeve 12 is inserted into the mounting openings. Specifically, in the actual use process, the water-stop heat-conductive sleeve 12 is inserted into the mounting opening from above the shelf 111 to complete the mounting. Wherein, the port edge of the water-stop heat-conducting sleeve 12 is provided with a lapping part 121, and the lapping part 121 is lapped at the edge of the mounting port. Specifically, the overlapping portion 121 extends outward, so that after the water-stop heat-conductive cover 12 is inserted into the mounting opening, the overlapping portion 121 overlaps the outer circumferential ring of the mounting opening, and the weight of the water-stop heat-conductive cover 12 and the blood bag placed therein is positioned and supported by the overlapping portion 121. The overlapping portion 121 may be a flanging structure formed at the port of the water-stop heat-conducting sleeve 12, or the overlapping portion 121 is a check ring connected to the port of the water-stop heat-conducting sleeve 12.
In addition, the expression entity for the temperature regulating assembly 2 has various structural forms. The function requirement of the temperature adjusting assembly 2 is to heat or refrigerate the water in the heat exchange water tank 11 so that the water in the heat exchange water tank 11 is maintained within a set temperature range.
The concrete structural form can be as follows: the temperature adjusting unit 2 includes a refrigerating unit 21 and an electric heating part 22, the refrigerating unit 21 includes a compressor 211, a condenser 212, a throttling device (not shown) and an evaporator 213 connected together, and the evaporator 213 and the electric heating part 22 are disposed on the heat-exchange water tank 11. Specifically, the temperature adjustment assembly 2 uses the refrigeration unit 21 to refrigerate water in the heat exchange water tank 11, uses the electric heating component 22 to heat water in the heat exchange water tank 11, and controls the start and stop of the refrigeration unit 21 and the electric heating component 22 through the temperature sensor 112 disposed in the heat exchange water tank 11. When the temperature of the water in the heat exchange water tank 11 is lower than the set minimum temperature value, the electric heating part 22 is started to heat the water in the heat exchange water tank 11; on the contrary, when the temperature of the water in the heat-exchange water tank 11 is higher than the set maximum temperature value, the compressor 211 is activated to refrigerate the water in the heat-exchange water tank 11 through the evaporator 213. The electric heating part 22 may be an electric heating tube or an electric heating sheet, and the evaporator 213 and the electric heating part 22 may be disposed in the bottom region of the heat exchange water tank 11 according to the installation manner of the evaporator 213 and the electric heating part 22.
Similarly, in order to realize cooling and heating, the temperature adjustment assembly 2 may be a semiconductor cooling plate, and the semiconductor cooling plate is used for heating or cooling water in the heat exchange water tank 11. Specifically, the semiconductor refrigerating sheet can refrigerate or heat the same heat exchange surface according to different electrifying directions. For the triggering condition of the semiconductor refrigeration sheet for refrigerating or heating the heat exchange water tank 11, the temperature sensor 112 in the heat exchange water tank 11 may also be used for implementation, which is not described herein again. Wherein, the semiconductor refrigeration piece can be attached to the outside of the heat exchange water tank 11; or, the semiconductor refrigeration piece is provided with a heat pipe, and the heat pipe can be inserted into the heat exchange water tank 11 or attached to the outside of the heat exchange water tank 11.
During the process of thawing the blood bag, the frozen plasma will flow into the transfer bag after thawing. To weigh the plasma in the transfer bag, the cryoprecipitate preparation apparatus further comprises: weighing component 3, weighing component 3 are including weighing container 31 and weighing module 32, and weighing container 31 is located the below of water proof heat conduction sleeve 12, and weighing module 32 is used for weighing the storing weight in the weighing container 31. Specifically, in the actual use process, the transfer bag is placed in the weighing container 31, the plasma output from the blood bag flows into the transfer bag, and the weight of the plasma in the transfer bag can be weighed in real time through the weighing module 32. Among them, there are various ways for the plasma in the blood bag in the water-stop and heat-conductive sleeve 12 to flow into the transfer bag, for example: peristaltic pumps may be used to drive the plasma from the blood bag into the transfer bag, or pinch valves 101 may be used, where the manner in which the plasma flows is not limited. In addition, for the concrete representation entity of the weighing module 32, a conventional weight checking manner such as a weighing sensor may be adopted, which is not limited or described herein.
In addition, in order to facilitate installation of relevant components, the cryoprecipitation preparation instrument further comprises: the heat exchange water tank 11 is arranged on the frame 10; the weighing assembly 3 further comprises a mounting bracket 33, the weighing module 32 and the weighing container 31 are arranged on the mounting bracket 33, and the mounting bracket 33 is fixed on the rack. Specifically, the weighing module 32 and the weighing container 31 are collectively mounted on the mounting bracket 33, and then mounted on the rack through the mounting bracket 33. And in order to conveniently and rapidly read the information of the blood bag, the RFID electronic tag is configured on the transfer bag matched with the blood bag, and correspondingly, the RFID antenna (not shown) is further arranged on the mounting bracket 33, so that the operator can automatically read the information in the RFID electronic tag through the RFID antenna after putting the transfer bag into the weighing container 31. At the same time, the temperature control assembly 2 is arranged in the lower region of the machine frame 10.
Preferably, in order to facilitate the operation of an operator, the heat exchange water tank 11 is arranged at the top of the rack 10, so that the water-proof heat conduction sleeve 12 is positioned at the top of the rack, and the weighing containers 31 are respectively arranged at two sides of the rack 10; a support frame 102 is further arranged on the rack 10, two side surfaces of the support frame 102 are respectively provided with an operation screen 103, and the support frame 102 is located above the waterproof heat-conducting sleeve 12. Specifically, in the actual use process, the front and rear parts of the rack 10 are respectively operated by corresponding operators on the operation screen 103, so that the operators can conveniently operate simultaneously, and the operation efficiency is improved. Meanwhile, because the supporting frame 102 spans the rack 10 and is arranged above the waterproof heat-conducting sleeve 12 in an overhead manner, an operator can touch the operation screen 103 at the corresponding side, and the blood bag and the transfer bag are conveniently placed by the operator. And for the same cryoprecipitation preparation appearance, can satisfy both sides operating personnel's work requirement simultaneously to reduce the outfit quantity of instrument in the actual operation process, the effectual input cost of equipment that has reduced. Wherein, step surfaces 104 are formed on two sides of the frame 10, the weighing container 31 is positioned on the step surfaces 104, and the waterproof heat-conducting sleeve 12 and the weighing container 31 are arranged up and down, so that the blood bag and the transfer bag can be conveniently placed by an operator.
Based on above-mentioned technical scheme, optionally, in order to the water in the abundant heat transfer basin 11 of utilizing, the cryoprecipitation preparation appearance still includes: the water purification component 4, the water purification component 4 includes circulating water pump 41, storage water tank 42 and water filtration module 43, and circulating water pump 41, storage water tank 42 and water filtration module 43 connect gradually, and circulating water pump 41 and water filtration module 43 are connected with heat transfer basin 11 respectively. Specifically, during the use process, the water in the heat exchange water tank 11 flows into the water filtering module 43 through the circulating water pump 41 for filtering, and the filtered water can be stored in the water storage tank 42. After the blood bag is heated and thawed, the water in the heat exchange water tank 11 can be filtered and stored in the water storage tank 42 for recycling. The cold water output from the heat exchange water tank 11 is filtered, so that the temperature of the water is low. Therefore, a certain amount of cold water is stored in the water storage tank 42, and when water needs to be supplemented to the heat exchange water tank 11, the cold water stored in the water storage tank 42 can be pumped into the heat exchange water tank 11 through the circulating water pump 41, so that the electricity consumption is reduced, and the energy consumption is reduced. The representation entity of the water filtering module 43 has various forms, such as: the water filtering module 43 includes an activated carbon filter 431 and a membrane filter 432 connected together, the activated carbon filter 431 is connected to the heat exchange water tank 11, and the membrane filter 432 is connected to the water storage tank 42. Specifically, the water output from the heat exchange water tank 11 is filtered by the activated carbon filter 431 and the membrane filter 432 in sequence, and then flows into the water storage tank 42 to be stored. In order to improve the water filtration efficiency, a booster pump (not shown) may be added between the water filtration module 43 and the heat exchange water tank 11.
For the water-stop heat-conducting sleeve 12, the water-stop heat-conducting sleeve 12 can be made of flexible heat-conducting material, such as: the waterproof heat conducting sleeve 12 can be made of heat conducting silica gel; alternatively, the water-proof heat-conducting sleeve 12 can be made of a rigid heat-conducting material, such as: the water-blocking heat-conducting sleeve 12 can be made of heat-conducting metal (such as aluminum or copper), and is not limited herein.
Wherein, the waterproof heat conducting sleeve 12 can be made of flexible heat conducting material. The waterproof heat conducting sleeve 12 is flexible and can rock in water. For this reason, in order to accelerate the rapid thawing of the blood bag located in the water-proof heat-conducting sleeve 12, the cryoprecipitate preparing apparatus further includes: and the fluid driving assembly 5 comprises a movable part 51 and a driving module 52, wherein the movable part 51 is positioned in the heat exchange water tank 11, and the driving module 52 is used for driving the movable part 51 to move in the heat exchange water tank 11. Specifically, because the blood bag is located water proof heat conduction sleeve 12 and carries out water proof protection, water proof heat conduction sleeve 12 soaks in the water of heat transfer basin 11, has the lower problem of the efficiency of unfreezing that leads to the temperature of water around water proof heat conduction sleeve 12 to be lower. Therefore, the water in the heat exchange water tank 11 is driven to flow by the fluid driving assembly 3, so that the water around the water-proof heat conduction sleeve 12 circularly flows, the water in the heat exchange water tank 11 is fully utilized to heat and thaw blood bags in the water-proof heat conduction sleeve 12 uniformly and efficiently, and the thawing efficiency is improved. Wherein, the driving module 52 is located outside the heat exchange water tank 11 to drive the movable part 51 located in the heat exchange water tank 11 to move, and the movable part 51 can drive the water in the heat exchange water tank 11 to flow in the moving process.
And the representation entity of the movable part 51 has various forms. For example: the movable part 51 is a push plate, one end of the push plate is rotatably installed in the heat exchange water tank 11, and the driving module 52 is used for driving the push plate to shake in a reciprocating manner. Specifically, a push plate is adopted as the movable part 51, and the push plate can swing in the heat exchange water tank 11 under the driving action of the driving module 52. Thus, under the action of the swinging of the push plate, water flow similar to tide can be formed in the heat exchange water tank 11 so as to accelerate the thawing speed of the blood bag in the water-proof heat conduction sleeve 12. In order to satisfy the reciprocating shaking of the push plate, the driving module 52 is a linear motor or an electric push rod. Similarly, the movable part 51 is a pulsator, the driving module 52 is a motor, a rotating shaft of the motor is hermetically inserted into the heat exchange water tank, and the pulsator is mounted on the rotating shaft of the motor. Specifically, the impeller is adopted as the movable part 51, and under the driving action of the driving module 52, the impeller can drive the water in the heat exchange water tank 11 to rotate, so that the heat exchange between the water in the heat exchange water tank 11 and the blood bag in the water-resisting heat conduction sleeve 12 can be accelerated, and the thawing efficiency can be improved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.
Claims (10)
1. A cold precipitation preparation instrument with water purification function is characterized by comprising:
the heat exchange assembly comprises a heat exchange water tank;
the temperature adjusting component is used for heating or refrigerating the water in the heat exchange water tank;
the water purification assembly comprises a circulating water pump, a water storage tank and a water filtering module, wherein the circulating water pump, the water storage tank and the water filtering module are sequentially connected, and the circulating water pump and the water filtering module are respectively connected with the heat exchange water tank.
2. The apparatus for preparing cryoprecipitate with water purification function of claim 1, wherein the water filtration module comprises an activated carbon filter and a membrane filter connected together, wherein the activated carbon filter is connected with the heat exchange water tank, and the membrane filter is connected with the water storage tank.
3. The apparatus of claim 1, wherein a booster pump is further disposed between the heat exchange water tank and the water filtering module.
4. The apparatus for preparing cold precipitation with water purification function according to claim 1, wherein said temperature adjusting assembly comprises a refrigerating unit and an electric heating component, said refrigerating unit comprises a compressor, a condenser, a throttling device and an evaporator connected together, said evaporator and said electric heating component are disposed on said heat exchange water tank.
5. The apparatus for preparing cold precipitation with water purification function according to claim 4, wherein said electric heating part is an electric heating tube or an electric heating sheet.
6. The cryoprecipitate preparation apparatus having a water purification function as claimed in claim 1, wherein the temperature adjusting assembly is a semiconductor chilling plate for heating or chilling water in the heat exchange water tank.
7. The apparatus of claim 6, wherein the semiconductor cooling fins are attached to the outside of the heat exchange water tank; or the semiconductor refrigeration piece is provided with a heat pipe, and the heat pipe is arranged on the heat exchange water tank.
8. The apparatus of claim 1, wherein the heat exchange assembly further comprises a temperature sensor disposed in the heat exchange water tank, the temperature sensor being used to trigger the temperature adjustment assembly to heat or cool.
9. The cryoprecipitate preparation apparatus having a water purification function as claimed in claim 1, further comprising:
the weighing assembly comprises a weighing container and a weighing module, the weighing container is located below the heat exchange water tank, and the weighing module is used for weighing the weight of the stored materials in the weighing container.
10. The cryoprecipitate preparation apparatus of claim 9, further comprising:
the heat exchange water tank is arranged on the rack;
the weighing assembly further comprises a mounting bracket, the weighing module and the weighing container are arranged on the mounting bracket, and the mounting bracket is fixed on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411857.7U CN211035770U (en) | 2019-08-28 | 2019-08-28 | Cold precipitation preparation instrument with water purification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411857.7U CN211035770U (en) | 2019-08-28 | 2019-08-28 | Cold precipitation preparation instrument with water purification function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211035770U true CN211035770U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921411857.7U Active CN211035770U (en) | 2019-08-28 | 2019-08-28 | Cold precipitation preparation instrument with water purification function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211035770U (en) |
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2019
- 2019-08-28 CN CN201921411857.7U patent/CN211035770U/en active Active
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Address after: 266000 No. 280, Fengyuan Road, high tech Zone, Qingdao, Shandong Patentee after: Qingdao Haier Biomedical Technology Co.,Ltd. Address before: Room c2-301-304, science and Technology Park, Qingdao National University, 127 huizhiqiao Road, high tech Zone, Qingdao, Shandong Province Patentee before: Qingdao Haite biomedical Co.,Ltd. |