CN215386352U - Box for unfreezing frozen blood plasma - Google Patents
Box for unfreezing frozen blood plasma Download PDFInfo
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- CN215386352U CN215386352U CN202120398993.8U CN202120398993U CN215386352U CN 215386352 U CN215386352 U CN 215386352U CN 202120398993 U CN202120398993 U CN 202120398993U CN 215386352 U CN215386352 U CN 215386352U
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Abstract
The utility model discloses a frozen plasma thawing box which comprises a box body, wherein a main control unit, a thawing groove, a water tank, a heating device, a circulating device, a weighing assembly, a switch assembly and a temperature detection unit are arranged on the box body; wherein the weighing component is used for placing an empty bag which is communicated with the plasma bag through a conveying pipe; the switch assembly comprises at least three electromagnetic switches and is used for exhausting air, opening and closing the conveying pipe; the weighing assembly detects the weight of the melted plasma in the empty bag and converts the weight into a corresponding weight electric signal to the main control unit, and the main control unit is used for controlling the switch assembly according to the weight electric signal; the temperature detection unit detects the temperature of water in the thawing tank and transmits a corresponding temperature electric signal to the main control unit, and the main control unit is used for controlling the heating device according to the temperature electric signal. Therefore, the utility model can automatically finish the preparation of the cryoprecipitate, does not need manual operation, improves the efficiency and leads the plasma bag to be unfrozen in a constant temperature environment.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a frozen plasma thawing box.
Background
Cryoprecipitate refers to plasma cryoprecipitate containing factor VIII and fibrinogen, and can be used for treating patients who lack factor VIII and fibrinogen and have more bleeding or hemophilia. The transfusion is finished within 6 hours after the melting, and the transfusion speed is not lower than 200 ml/h. Is suitable for children and adults with hemophilia A, von Willebrand disease, congenital or acquired fibrinogen deficiency and factor XIII deficiency. Sometimes cryoprecipitation is also used as an alternative treatment for patients with postoperative bleeding, severe trauma, and DIC.
The cryoprecipitate is prepared by placing fresh frozen plasma in a constant temperature circulation water tank at 4 deg.C, suspending an empty connecting bag outside the tank, and allowing a certain fall between the two bags. When the frozen plasma is melted, the melted plasma flows into the empty bag due to the siphon action, the remaining 20-30 mL of plasma blocks with white crystal particles are cryoprecipitates, and the plasma blocks are quickly stored in a low-temperature refrigerator for later use.
With the continuous development of modern clinical blood transfusion technology, the clinical requirement of cryoprecipitation is greater and greater, but most of the preparation of the cryoprecipitation adopts manual operation and has low efficiency. In view of the technical problem, it is urgently needed to design a frozen plasma thawing box to replace the manual work so as to improve the efficiency.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the technical problems to be solved by the utility model are as follows: the thawing box for frozen plasma is provided, and can automatically complete cryoprecipitation preparation, so that the efficiency is improved.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a frozen plasma thawing box comprises a box body, wherein a main control unit, a thawing groove, a water tank, a heating device and a circulating device are arranged on the box body, a plasma bag is placed in the thawing groove, the heating device is used for heating water in the water tank, and the circulating device is used for circulating service water between the thawing groove and the water tank; the box body is also provided with a weighing component, a switch component and a temperature detection unit which are respectively electrically connected with the main control unit; the weighing component is used for placing an empty bag, and the empty bag is communicated with the plasma bag through a conveying pipe; the switch assembly comprises at least three electromagnetic switches, and each switch assembly is used for exhausting air, opening and closing the conveying pipe; the weighing assembly detects the weight of the melted blood plasma in the empty bag and converts the weight of the melted blood plasma into a corresponding weight electric signal to the main control unit, and the main control unit is used for controlling the switch assembly according to the weight electric signal; the temperature detection unit detects the temperature of the water in the thawing tank and transmits a corresponding temperature electric signal to the main control unit, and the main control unit is used for controlling the heating device according to the temperature electric signal.
Preferably, the box body is further provided with an indicating unit electrically connected with the main control unit, and the main control unit is used for controlling the indicating unit to send out corresponding indication according to the weight electric signal.
Preferably, the weighing assembly comprises a containing box for containing the empty bag and a pressure sensor arranged at the bottom of the containing box.
Preferably, the switch assembly comprises a shell fixed on the outer wall of the thawing groove, a through hole is formed in the shell, and the conveying pipe penetrates through the through hole and is arranged in the shell; and all the electromagnetic switches are sequentially arranged in the shell from top to bottom.
Preferably, the box body is provided with at least one weighing component, and the switch component and the weighing component are arranged in a one-to-one manner.
Preferably, a plurality of springs are arranged in parallel in the thawing groove, all the springs divide the interior of the thawing groove into a plurality of separation cavities, and the separation cavities and the weighing assemblies are arranged in a one-to-one manner.
Preferably, the mobile terminal further comprises a touch screen electrically connected with the main control unit.
Preferably, the scanning device further comprises a scanning gun electrically connected with the main control unit.
Preferably, a cantilever in transmission connection with the box body is arranged on the outer side wall of the box body, and the touch screen is fixedly arranged on the cantilever.
Preferably, the circulating device comprises a water pump, a water inlet pipe and a water outlet pipe, the water tank, the water pump, the water inlet pipe and the unfreezing groove are sequentially connected to form a water inlet loop, and the unfreezing groove, the water outlet pipe and the water tank are sequentially connected to form a water return loop.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the frozen plasma thawing box comprises a box body, wherein a main control unit, a thawing groove, a water tank, a heating device and a circulating device are arranged on the box body, a plasma bag is placed in the thawing groove, the heating device is used for heating water in the water tank, and the circulating device is used for circulating the working water between the thawing groove and the water tank; the box body is also provided with a weighing component, a switch component and a temperature detection unit which are respectively electrically connected with the main control unit; wherein the weighing component is used for placing an empty bag which is communicated with the plasma bag through a conveying pipe; the switch assembly comprises at least three electromagnetic switches and is used for exhausting air, opening and closing the conveying pipe; the weighing assembly detects the weight of the melted plasma in the empty bag and converts the weight into a corresponding weight electric signal to the main control unit, and the main control unit is used for controlling the switch assembly according to the weight electric signal; the temperature detection unit detects the temperature of water in the thawing tank and transmits a corresponding temperature electric signal to the main control unit, and the main control unit is used for controlling the heating device according to the temperature electric signal. Therefore, the utility model can automatically finish the preparation of the cryoprecipitate, does not need manual operation, improves the efficiency and leads the plasma bag to be unfrozen in a constant temperature environment.
Because still be provided with the indicating unit of being connected with the main control unit electricity on the box, the main control unit is used for sending corresponding the instruction according to weight electricity signal control indicating unit, can be easy through indicating unit observation empty bag in plasma whether up to standard, further improved efficiency.
At least one weighing component is arranged on the box body, and the switch component and the weighing component are arranged in a one-to-one manner; multiple cryoprecipitations can be simultaneously prepared, and the efficiency is further improved.
Because a plurality of springs which are arranged in parallel are arranged in the unfreezing groove, all the springs divide the interior of the unfreezing groove into a plurality of separation cavities, and the springs protect the plasma bag.
Due to the fact that the scanning gun is electrically connected with the main control unit, unfrozen and unfrozen plasma bags are recorded through the scanning gun.
Because the outer side wall of the box body is provided with the cantilever which is in transmission connection with the box body, and the touch screen is fixedly arranged on the cantilever, the use is convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the frozen plasma thawing chamber of the present invention;
FIG. 2 is an enlarged partial schematic view of the present invention;
in the figure: the device comprises a box body 1, a thawing groove 2, a containing box 3, a switch assembly 4, a shell 40, a through hole 400, an indicator lamp 5, a touch screen 6, a scanning gun 7, a placing support 8 and a spring 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in figures 1 and 2, the thawing box for frozen plasma comprises a box body 1, wherein a main control unit, a thawing groove 2, a water tank, a heating device and a circulating device are arranged on the box body 1, a plasma bag is placed in the thawing groove 2, the heating device is used for heating water in the water tank, the circulating device is used for acting on the water in the water tank to circulate between the thawing groove 2 and the water tank, and the main control unit can be but is not limited to an STM32 series single-chip microcomputer.
The box body 1 is also provided with a weighing component, a switch component 4 and a temperature detection unit which are respectively and electrically connected with the main control unit; wherein the weighing component is used for placing an empty bag which is communicated with the plasma bag through a conveying pipe; the switch assembly 4 comprises at least three electromagnetic switches, and the switch assembly 4 is used for exhausting air, opening and closing the conveying pipe; the weighing component detects the weight of the melted plasma in the empty bag and converts the weight into a corresponding weight electric signal to the main control unit, and the main control unit is used for controlling the switch component 4 according to the weight electric signal; the temperature detection unit detects the temperature of the water in the thawing groove 2 and transmits a corresponding temperature electric signal to the main control unit, and the main control unit is used for controlling the heating device according to the temperature electric signal.
Wherein, the switch component 4 is fixed on the shell 40 on the outer wall of the thawing groove 2, a through hole 400 is arranged on the shell 40, and the conveying pipe passes through the through hole and is arranged in the shell 40; and all the electromagnetic switches are arranged in the housing 40 in the up-down sequence. In this example, three electromagnetic switches are arranged in the switch assembly 4. In the initial state, each electromagnetic switch is opened, so that the switch assembly 4 is in the open state, and the plasma melted in the plasma bag flows into the empty bag by the siphon action. Meanwhile, the weighing assembly detects the weight of the empty bag, when the weight of the empty bag is not changed, the main control unit sequentially switches on and off the three electromagnetic switches according to preset frequency, and the three electromagnetic switches are sequentially switched on and off, so that gas in the conveying pipe can be extruded into the empty bag, and the plasma melted in the plasma bag is ensured to flow into the empty bag through siphoning. Similarly, the main control unit can control any electromagnetic switch to be closed so as to block the delivery pipe and close the siphon. Of course, the switch assembly is not limited to the above list.
The weighing assembly comprises a containing box 3 for containing the empty bag and a pressure sensor arranged at the bottom of the containing box 3, wherein the top end of the containing box 3 is opened, so that the empty bag can be conveniently taken and placed. In addition, in this example, a plurality of storage boxes 3 are provided outside the thawing tank 2, and a switch unit 4 is provided in one-to-one correspondence with the storage boxes 3, so that a plurality of cryoprecipitate preparations can be performed, and the efficiency is further improved.
Wherein, circulating device includes water pump, inlet tube and outlet pipe, and water tank, water pump, inlet tube and the groove 2 that unfreezes connect gradually and form the water inlet circuit, and the groove 2 that unfreezes, outlet pipe and water tank connect gradually form the return water circuit.
The heating device can be a heating resistance wire electrically connected with the main control unit, when the main control unit receives a temperature electric signal transmitted by the temperature detection unit, the temperature electric signal is compared with a preset temperature range, and when the temperature electric signal exceeds the preset temperature range, the main control unit cuts off the power of the heating resistance wire and stops heating and warming.
Wherein, a plurality of springs 9 arranged in parallel are arranged in the thawing groove 2, all the springs 9 divide the interior of the thawing groove 2 into a plurality of separation cavities, and the soft protective plasma bags of the springs 9 are arranged in one-to-one correspondence with the containing boxes 3 in the embodiment.
When the plasma thawing device is used, the main control unit starts the heating device to heat water in the water tank to 2-8 ℃, then the water in the water tank circulates to the thawing groove 2 under the action of the water pump to thaw plasma bags, and the thawed plasma flows into corresponding empty bags through corresponding conveying pipes under the siphon action. Simultaneously, each holds the weight of the empty bag of pressure sensor real-time detection on the box 3 to the corresponding weight signal of telecommunication of transmission to the main control unit, the main control unit with the weight signal of telecommunication with preset weight value compare, after the weight of empty bag equals preset weight value, the electro-magnet circular telegram in the main control unit for switch module 4 makes it close the conveyer pipe that corresponds, makes the plasma in the plasma bag can not flow into in the empty bag again, realizes automatic operation, has improved efficiency. Moreover, the box body 1 is provided with a plurality of separation cavities, the accommodating box 3 and the switch assembly 4, so that the utility model can simultaneously prepare a plurality of cold precipitates, and further improves the efficiency.
As shown in fig. 1 and 2, the box body 1 is further provided with an indication unit electrically connected with the main control unit, and the main control unit is configured to control the indication unit to send out a corresponding prompt according to the weight electrical signal. The indicating unit in this case may be an indicating lamp 5 provided on the outer wall of the thawing tank 2, and the indicating lamp 5 is provided in one-to-one correspondence with the switch assembly 4 so as to accurately indicate the weight of the plasma in the empty bag above each containing box 3 to accurately control each cryoprecipitation operation. Of course, the indicator unit is not limited to the indicator lamp 5 listed above, and may be a speaker or the like.
As shown in fig. 1, the present embodiment further includes a touch screen 6 electrically connected to the main control unit, a cantilever drivingly connected to the outer side wall of the box 1 is disposed on the outer side wall, and the touch screen 6 is fixedly disposed on the cantilever. The empty bag that each held and place on the box 3 is set for to accessible touch-sensitive screen 6, and the plasma weight that will obtain still can show temperature, plasma bag information etc. through touch-sensitive screen 6, makes the use more convenient.
As shown in fig. 1, the present embodiment further includes a scanning gun 7 electrically connected to the main control unit, a placing support 8 is disposed on an outer side wall of the box body 1, and the scanning gun 7 is placed on the placing support 8 for easy management. The scanning gun 7 is used for recording the plasma bag and the empty bag, so that the subsequent use is facilitated.
The above-described preferred embodiments of the present invention are not intended to limit the present invention, and any modifications, equivalent improvements of the frozen plasma thawing chamber, etc. within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The frozen plasma thawing box comprises a box body, wherein a main control unit, a thawing groove, a water tank, a heating device and a circulating device are arranged on the box body, a plasma bag is placed in the thawing groove, the heating device is used for heating water in the water tank, and the circulating device is used for circulating the working water between the thawing groove and the water tank; the box body is also provided with a weighing component, a switch component and a temperature detection unit which are respectively and electrically connected with the main control unit;
the weighing component is used for placing an empty bag, and the empty bag is communicated with the plasma bag through a conveying pipe;
the switch assembly comprises at least three electromagnetic switches, and each switch assembly is used for exhausting air, opening and closing the conveying pipe;
the weighing assembly detects the weight of the melted blood plasma in the empty bag and converts the weight of the melted blood plasma into a corresponding weight electric signal to the main control unit, and the main control unit is used for controlling the switch assembly according to the weight electric signal;
the temperature detection unit detects the temperature of water in the thawing tank and transmits a corresponding temperature electric signal to the main control unit, and the main control unit is used for controlling the heating device according to the temperature electric signal;
the box body is provided with at least one weighing component, and the switch component and the weighing component are arranged in a one-to-one manner;
the spring that unfreezes inslot and be provided with a plurality of parallel arrangement, all the spring will unfreeze the inslot and divide into a plurality of compartment, just the compartment with the subassembly one-to-one setting of weighing.
2. The frozen plasma thawing box according to claim 1, wherein an indicating unit electrically connected with the main control unit is further arranged on the box body, and the main control unit is used for controlling the indicating unit to send out corresponding indication according to the weight electric signal.
3. The case for thawing frozen plasma according to claim 2, wherein said weighing assembly comprises a containment box for housing said empty bag, and a pressure sensor provided at the bottom of said containment box.
4. The thawing box of claim 2, wherein the switch assembly comprises a housing fixed on the outer wall of the thawing groove, the housing is provided with a through hole, and the delivery pipe is inserted into the housing through the through hole; and all the electromagnetic switches are sequentially arranged in the shell from top to bottom.
5. The frozen plasma thawing compartment of claim 1, further comprising a touch screen electrically connected to the main control unit.
6. The frozen plasma thawing bin of claim 1, further comprising a scanning gun electrically connected to the main control unit.
7. The frozen plasma thawing box according to claim 5, wherein a cantilever in transmission connection with the box body is arranged on the outer side wall of the box body, and the touch screen is fixedly arranged on the cantilever.
8. The frozen plasma thawing box according to claim 1, wherein the circulating device comprises a water pump, a water inlet pipe and a water outlet pipe, the water tank, the water pump, the water inlet pipe and the thawing groove are sequentially connected to form a water inlet loop, and the thawing groove, the water outlet pipe and the water tank are sequentially connected to form a water return loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120398993.8U CN215386352U (en) | 2021-02-23 | 2021-02-23 | Box for unfreezing frozen blood plasma |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120398993.8U CN215386352U (en) | 2021-02-23 | 2021-02-23 | Box for unfreezing frozen blood plasma |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215386352U true CN215386352U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120398993.8U Active CN215386352U (en) | 2021-02-23 | 2021-02-23 | Box for unfreezing frozen blood plasma |
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| Country | Link |
|---|---|
| CN (1) | CN215386352U (en) |
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2021
- 2021-02-23 CN CN202120398993.8U patent/CN215386352U/en active Active
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