A centralized concentrate supply system for hemodialysis

Abstract

The utility model discloses a centralized concentrated liquid supply system for hemodialysis relates to medical instrument technical field, can solve the centralized liquid supply system of prior art big, and the problem that dialysis fluid deployment is inflexible. The utility model embodiment discloses a centralized concentrated liquid supply system for hemodialysis, including installation frame and be located in the pure water tank of installation frame, stirring drum, liquid storage tank to the powder storage and delivery assembly that set stirring, delivery and storage function are integrated, wherein: the discharge end of powder storage and delivery assembly is located the feeding end just above stirring drum, and the water outlet of pure water tank is communicated with the water inlet of stirring drum, and the liquid outlet of stirring drum is communicated with the liquid inlet of liquid storage tank.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a centralized supply system for hemodialysis concentrate. Background Technology

[0002] To ensure the freshness of the dialysate supplied by current hemodialysis systems and prevent bacterial growth, it is usually prepared and used immediately. In current centralized supply systems, pure water is added directly to the mixing tank according to the required amount of patients, and then materials are added manually according to the amount of pure water. After stirring, a concentrated solution is formed. Before dialysis, it undergoes dilution, concentration adjustment and compensation, and mixing to form a qualified dialysate for dialysis treatment.

[0003] However, the existing centralized fluid supply system, which is pre-mixed, is quite bulky and difficult to move. In addition, since the required concentrate is mixed at once, it is easy to need to mix again if there is a new demand. However, mixing again often results in an excessive amount of concentrate, which can either be discharged as waste or stored for a period of time. This does not meet the goal of preparing and using dialysis fluid on the spot. Therefore, the existing centralized fluid supply system also has the drawback of not being flexible enough in its mixing.

[0004] Therefore, this application proposes a centralized concentrate supply system for hemodialysis, which solves at least one of the above-mentioned problems, and thus this application is made. Utility Model Content

[0005] The purpose of this application is to provide a centralized solution supply system for hemodialysis, which solves the problems of large volume and inflexible solution preparation in existing centralized solution supply systems.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following solution:

[0007] This application provides a centralized concentrate supply system for hemodialysis, including an installation frame and a pure water tank, a stirring tank, a storage tank, and a powder delivery component integrating stirring, conveying, and storage functions, wherein:

[0008] The discharge end of the powder conveying component is located directly above the inlet end of the mixing tank, and the outlet end of the pure water tank is connected to the inlet end of the mixing tank.

[0009] The outlet of the mixing tank is connected to the inlet of the storage tank.

[0010] Optionally, the mounting frame includes a horizontally arranged middle plate for spatial layering, and a bottom plate;

[0011] The pure water tank, liquid storage tank, and powder conveying assembly are all installed on the middle layer plate, and the top of the mixing tank is suspended and fixed to the bottom of the middle layer plate.

[0012] Optionally, it also includes a heating structure on the middle plate, the heating structure being cylindrical and vertically arranged, and the heating structure being located between the pure water tank and the storage tank;

[0013] Both the inlet and outlet of the heating structure are connected to the pure water tank.

[0014] Optionally, it also includes a control cabinet and valve assembly vertically mounted on the bottom plate, and a pumping assembly mounted on the bottom plate and / or the middle plate;

[0015] The valve assembly includes several electrically controlled valves for controlling the opening and closing of the liquid flow channel, and the pumping assembly includes several pump bodies for providing liquid pressure according to the liquid flow direction requirements. The signal input terminals of the electrically controlled valves, pump bodies, and powder storage and conveying assembly are all communicatively connected to the control cabinet.

[0016] Optionally, the powder storage and conveying assembly includes a storage hopper installed in the installation frame, a powder grinding mechanism disposed in the storage hopper, and a feeding mechanism disposed at the bottom of the storage hopper.

[0017] The feeding mechanism is equipped with a filter screen at its discharge end.

[0018] Optionally, the grinding mechanism includes a grinding frame rotatably connected to the storage hopper, and a first motor for driving the grinding frame to rotate;

[0019] The powder grinding frame includes a powder grinding shaft and several powder grinding blades disposed on the powder grinding shaft.

[0020] Optionally, the feeding mechanism includes a feeding auger arranged laterally at the bottom of the storage hopper, and a second motor for driving the feeding auger to rotate;

[0021] The filter screen is located at the discharge end of the feeding auger.

[0022] Optionally, the bottom of the storage hopper is provided with a U-shaped plate with a semi-circular longitudinal section, and the feeding auger is located inside the U-shaped plate.

[0023] Optionally, the volume of the liquid storage tank is larger than the volume of the pure water tank.

[0024] Optionally, the mounting frame is equipped with casters at the bottom.

[0025] Beneficial effects of the utility model:

[0026] This application, by incorporating a pure water tank and a powder delivery component, allows for the pre-addition of water and powder to the mixing tank before storage in the storage tank, ready for immediate dialysis upon demand. Furthermore, it enables flexible re-addition of water and powder based on changing dialysis needs, allowing for re-preparation and delivery of the solution to meet new dialysis requirements. Therefore, compared to traditional centralized dialysis systems, the addition of the pure water tank and powder delivery component not only solves the problem of inflexible dialysis solution preparation in traditional centralized systems, truly achieving on-demand preparation of dialysis solution, but also avoids the drawbacks of a large mixing tank and overall system size caused by the rigid requirement for one-time preparation. This results in a more compact and easily portable system. Attached Figure Description

[0027] Figure 1 This is a three-dimensional structural diagram of an embodiment of this application after the shell has been removed.

[0028] Figure 2 This is a three-dimensional structural diagram of an embodiment of this application after the shell has been removed, from another perspective.

[0029] Figure 3 This is a three-dimensional structural diagram of the powder storage and conveying component in the embodiments of this application.

[0030] Figure 4 This is a three-dimensional structural diagram of the powder storage and conveying component from another perspective in an embodiment of this application.

[0031] Figure 5 This is a schematic diagram of liquid flow in an embodiment of this application.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1-Installation frame, 11-Middle layer plate, 12-Bottom layer plate, 2-Powder storage and conveying component, 21-Storage hopper, 22-Powder grinding frame, 221-Powder grinding shaft, 222-Powder grinding blades, 23-Feeding auger, 231-Filter screen, 24-First motor, 25-Second motor, 26-U-shaped trough, 3-Pure water tank, 4-Mixing tank, 5-Liquid storage tank, 6-Control cabinet, 7-Heating structure. Detailed Implementation

[0034] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of the present invention is not limited thereto.

[0035] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "have," "install," "connect," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0038] like Figures 1 to 5 As shown, this embodiment provides a centralized concentrate supply system for hemodialysis, including an installation frame 1 and a pure water tank 3, a stirring tank 4, and a storage tank 5 disposed within the installation frame 1, as well as a powder delivery component 2 integrating stirring, conveying, and storage functions, wherein:

[0039] The discharge end of the powder conveying component 2 is located directly above the inlet end of the mixing tank 4, so that it can feed powder into the mixing tank 4 based on gravity. The outlet end of the pure water tank 3 is connected to the inlet end of the mixing tank 4.

[0040] The outlet end of the stirring tank 4 is connected to the inlet end of the storage tank 5.

[0041] This embodiment, by setting up a pure water tank 3 and a powder storage and delivery component 2, allows for the addition of water and powder to the mixing tank 4 in advance, followed by temporary storage in the storage tank 5, so that dialysis can be performed directly when dialysis is needed. Furthermore, it allows for flexible addition of water and powder to prepare the solution again based on changes in dialysis requirements, and the solution can be sent to the storage tank 5 for supplying solutions to new dialysis needs. Therefore, compared to traditional centralized dialysis supply systems, the addition of the pure water tank 3 and the powder storage and delivery component 2 not only solves the problem of inflexible dialysis solution preparation in traditional centralized systems, truly achieving on-demand preparation of dialysis solution, but also avoids the drawback of a large mixing tank 4 and a large overall system volume caused by the rigid requirement of one-time preparation. This achieves the advantages of miniaturization and easy mobility.

[0042] In this embodiment, the installation frame 1 includes a horizontally arranged middle layer plate 11 for spatial layering and a bottom layer plate 12. By setting the middle layer plate 11, the space utilization rate can be significantly improved through spatial layering.

[0043] The pure water tank 3, the liquid storage tank 5, and the powder conveying assembly are all installed on the middle plate 11. The top of the mixing tank 4 is suspended and fixed to the bottom of the middle plate 11. By setting the middle plate 11 and the bottom plate 12, and with the pure water tank 3, the liquid storage tank 5, and the powder conveying assembly all installed on the middle plate 11, and the top of the mixing tank 4 suspended and fixed to the bottom of the middle plate 11, other components such as the pump body, the electrically controlled valve, and most of the liquid flow hoses can be placed in the space between the bottom plate 12 and the middle plate 11. This makes the entire system smaller in size and occupies less space, and also makes it easier to move the position of this embodiment to a suitable location for use.

[0044] In this embodiment, a heating structure 7 is also provided on the middle plate 11. The heating structure 7 is cylindrical and vertically arranged. The heating structure 7 is located between the pure water tank 3 and the storage tank.

[0045] The inlet and outlet of the heating structure 7 are both connected to the pure water tank 3. By setting the heating structure 7, the pure water in the pure water tank 3 can be heated to a preset temperature, which facilitates the mixing effect with the powder in the mixing tank 4.

[0046] In this embodiment, the control cabinet 6 and valve assembly are vertically mounted on the bottom plate 12, and the pumping assembly is mounted on the bottom plate 12 and the middle plate 11.

[0047] The valve assembly includes several electrically controlled valves for controlling the opening and closing of the liquid flow channel, and the pumping assembly includes several pump bodies for providing liquid pressure according to the liquid flow direction requirements. The signal input terminals of the electrically controlled valves, pump bodies, and powder storage and conveying assembly 2 are all communicatively connected to the control cabinet 6.

[0048] In this embodiment, both the electrically controlled valve and the pump body are existing conventional components. Using the electrically controlled valve to control the flow of liquid and using the pump body to deliver liquid are existing conventional technologies, and will not be elaborated upon here. The core point of this embodiment is that by placing the electrically controlled valve on the bottom plate 12 and the pump body on the middle plate 11 and the bottom plate 12, the space of the entire device can be effectively saved, space utilization can be improved, the entire liquid supply system can be miniaturized, and it is also convenient for medical personnel to align and move the system during subsequent use.

[0049] In this embodiment, the powder storage and conveying component 2 includes a storage hopper 21 installed in the mounting frame 1, a powdering mechanism disposed in the storage hopper 21, and a feeding mechanism disposed at the bottom of the storage hopper 21.

[0050] The discharge end of the feeding mechanism is equipped with a filter screen 231.

[0051] In this embodiment, the powder grinding mechanism includes a powder grinding frame 22 rotatably connected to the storage hopper 21, and a first motor 24 for driving the powder grinding frame 22 to rotate;

[0052] The powder grinding rack 22 includes a powder grinding shaft 221 and several powder grinding blades 222 disposed on the powder grinding shaft 221. By setting the powder grinding rack 22, the powder in the storage hopper 21 can be prevented from clumping, which would affect the subsequent mixing effect of the concentrate.

[0053] In this embodiment, the feeding mechanism includes a feeding auger 23 horizontally disposed at the bottom of the storage hopper 21, and a second motor 25 for driving the feeding auger 23 to rotate;

[0054] The filter screen 231 is located at the discharge end of the feeding auger 23. On the one hand, it can prevent large particles from entering the mixing tank 4. On the other hand, the filter screen 231 can restrict the powder transported by the feeding auger 23, making it easier to control the actual amount of material fed during the feeding process of the feeding auger 23.

[0055] In this embodiment, the bottom of the storage hopper 21 is provided with a U-shaped plate with a semi-circular longitudinal section, and the feeding auger 23 is located inside the U-shaped plate to ensure that the dispersed powder can fill the groove inside the U-shaped plate, so that the amount of powder fed can be easily controlled during the continuous rotation of the feeding auger 23.

[0056] In this embodiment, the volume of the storage tank 5 is larger than that of the pure water tank 3, ensuring that the concentrated solution prepared multiple times in this embodiment can be temporarily stored in the storage tank 5.

[0057] In this embodiment, the bottom of the mounting frame 1 is equipped with casters for easy relocation.

[0058] It is understood that the above embodiments are merely exemplary implementations used to illustrate the principles of this utility model, and the utility model is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of this utility model, and these modifications and improvements are also considered to be within the protection scope of this utility model.

Claims

1. A centralized concentrate supply system for hemodialysis, characterized in that, Includes an installation frame (1) and a pure water tank (3), a mixing tank (4), and a liquid storage tank (5) located within the installation frame (1), as well as a powder conveying assembly (2) integrating mixing, conveying, and storage functions, wherein: The discharge end of the powder conveying component (2) is located directly above the feed end of the mixing tank (4), and the water outlet of the pure water tank (3) is connected to the water inlet of the mixing tank (4). The outlet end of the stirring tank (4) is connected to the inlet end of the storage tank (5).

2. The centralized concentrate supply system for hemodialysis according to claim 1, characterized in that, The mounting frame (1) includes a horizontally arranged middle plate (11) for spatial layering, and a bottom plate (12); The pure water tank (3), the liquid storage tank (5), and the powder conveying group are all installed on the middle plate (11), and the top of the mixing tank (4) is suspended and fixed to the bottom of the middle plate (11).

3. A centralized concentrate supply system for hemodialysis according to claim 2, characterized in that, It also includes a heating structure (7) on the middle plate (11), the heating structure (7) is cylindrical and vertically arranged, and the heating structure (7) is located between the pure water tank (3) and the liquid storage tank; The inlet and outlet of the heating structure (7) are both connected to the pure water tank (3).

4. A centralized concentrate supply system for hemodialysis according to claim 2, characterized in that, It also includes a control cabinet (6) and valve assembly vertically mounted on the bottom plate (12), and a pumping assembly mounted on the bottom plate (12) and / or the middle plate (11); The valve assembly includes several electrically controlled valves for controlling the opening and closing of the liquid flow channel, and the pumping assembly includes several pump bodies for providing liquid pressure according to the liquid flow direction requirements. The signal input terminals of the electrically controlled valves, pump bodies, and the powder storage and conveying assembly (2) are all communicatively connected to the control cabinet (6).

5. A centralized concentrate supply system for hemodialysis according to claim 1, characterized in that, The powder storage and conveying assembly (2) includes a storage hopper (21) installed in the mounting frame (1), a powdering mechanism installed in the storage hopper (21), and a feeding mechanism installed at the bottom of the storage hopper (21); The discharge end of the feeding mechanism is equipped with a filter screen (231).

6. A centralized concentrate supply system for hemodialysis according to claim 5, characterized in that, The powder grinding mechanism includes a powder grinding frame (22) rotatably connected to the storage hopper (21), and a first motor (24) for driving the powder grinding frame (22) to rotate; The powder grinding frame (22) includes a powder grinding shaft (221) and a plurality of powder grinding blades (222) disposed on the powder grinding shaft (221).

7. A centralized concentrate supply system for hemodialysis according to claim 5, characterized in that, The feeding mechanism includes a feeding auger (23) arranged laterally at the bottom of the storage hopper (21), and a second motor (25) for driving the feeding auger (23) to rotate; The filter screen (231) is located at the discharge end of the feeding auger (23).

8. A centralized concentrate supply system for hemodialysis according to claim 7, characterized in that, The bottom of the storage hopper (21) is provided with a U-shaped plate with a semi-circular longitudinal section, and the feeding auger (23) is located inside the U-shaped plate.

9. A centralized concentrate supply system for hemodialysis according to claim 1, characterized in that, The volume of the liquid storage tank (5) is larger than that of the pure water tank (3).

10. A centralized concentrate supply system for hemodialysis according to claim 1, characterized in that, The bottom of the mounting frame (1) is equipped with casters.

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