Hemodialysis concentrate central supply system

Abstract

The utility model provides a kind of hemodialysis concentrate central supply system, belong to hemodialysis technical field. Including water supply system, dissolving system and liquid supply system;Water supply system includes water tank, and RO liquid inlet pipe is equipped on water tank, and RO liquid inlet pipe is connected with RO water source, and the bottom of water tank is equipped with RO liquid outlet pipe, and dissolving system includes dissolving jar, and the top of dissolving jar is connected with quantitative feeding hopper, and stirring assembly is equipped in dissolving jar, and RO liquid outlet pipe is connected with dissolving jar, and the bottom of dissolving jar is connected with dialysate liquid outlet pipe, and liquid supply system includes constant pressure tank, and dialysate liquid outlet pipe is connected with constant pressure tank, and the bottom of constant pressure tank is equipped with liquid supply pipe, and liquid supply pipe is connected with multiple branch pipes, and branch pipe is connected with the dialysis machine of each sickbed correspondingly. Every time in dissolving jar configuration dialysate only configures small amount of dialysate, temporarily stored in constant pressure tank for use, when dialysate water level in constant pressure tank reduces, timely configuration, with the effect of keeping the freshness of dialysate used.

Description

Technical Field

[0001] This utility model relates to the field of hemodialysis technology, and in particular to a central supply system for hemodialysis concentrate. Background Technology

[0002] Hemodialysis is a treatment method that uses an artificial machine to replace kidney function. It is primarily used to remove metabolic waste, excess water, and electrolytes from the blood, maintaining homeostasis. Hemodialysis plays a crucial role in the treatment of various kidney diseases.

[0003] Hospital dialysis fluid supply systems typically fall into two categories: centralized supply systems and individual machine supply systems. Centralized supply systems are suitable for large hemodialysis centers, where dialysis fluid is centrally prepared and distributed to individual beds. Individual machine supply systems prepare dialysis fluid independently for each dialysis machine, suitable for small hemodialysis rooms or home dialysis.

[0004] However, the central fluid supply system in hospitals is a traditional storage-type large circulation system. On the one hand, it requires quantitative preparation of dialysis fluid, and on the other hand, the unused dialysis fluid after preparation needs to be returned to the storage tank, which can easily lead to the use of dialysis fluid that is not fresh. The dialysis fluid circulating through the pipeline can also easily cause dialysis fluid infection. Utility Model Content

[0005] In view of the above problems, this utility model provides a central supply system for hemodialysis concentrate.

[0006] To achieve the above-mentioned objectives, the technical solution adopted by this utility model is as follows: A hemodialysis concentrate central supply system is provided, including a water supply system, a dissolving system, and a liquid supply system; The water supply system includes a water tank, an RO inlet pipe on the water tank, a first water pump on the RO inlet pipe, an external RO water source connected to the RO inlet pipe, an RO outlet pipe at the bottom of the water tank, and a second water pump on the RO outlet pipe. The dissolution system includes a dissolution tank, the top of which is connected to a metering hopper for holding dialysis powder. A stirring assembly is installed inside the dissolution tank. A discharge valve for opening and closing the metering hopper is installed at the bottom of the metering hopper. An RO outlet pipe is connected to the dissolution tank. A dialysis liquid outlet pipe is connected to the bottom of the dissolution tank. A third water pump is installed on the dialysis liquid outlet pipe. The fluid supply system includes a constant pressure tank, a dialysate outlet pipe connected to the constant pressure tank, a fluid supply pipe at the bottom of the constant pressure tank, a fourth water pump on the fluid supply pipe, and multiple branch pipes connected to the fluid supply pipe, which are connected to the dialysis machines of each patient bed.

[0007] Furthermore, it also includes a waste discharge pipe. Overflow pipes are installed on the outer walls of the water tank, dissolving tank, and constant pressure tank, and the other end of the overflow pipe is connected to the waste discharge pipe.

[0008] Furthermore, a heating pipe is installed on one side of the water tank, and a first electronic valve is installed on the RO outlet pipe. The first electronic valve is located on the side of the second water pump away from the water tank. One end of the heating pipe is connected to the water tank, and the other end is connected between the second water pump and the first electronic valve. A heating wire and a second electronic valve are installed on the heating pipe.

[0009] Furthermore, it also includes a detection tube. A third electronic valve is installed on the end of the dialysate outlet tube located away from the dissolving tank from the third water pump. One end of the detection tube is connected to the dialysate outlet tube between the third electronic valve and the third water pump, and the other end is connected to the dissolving tank. A fourth electronic valve and a conductivity sensor are installed on the detection tube.

[0010] Furthermore, a sterilization lamp is connected to the liquid supply tube.

[0011] Furthermore, it also includes a disinfection system, which includes a disinfectant storage tank and a disinfectant inlet pipe. A fifth electronic valve is installed on the side of the RO inlet pipe away from the first water pump. One end of the disinfectant inlet pipe is connected to the disinfectant storage tank, and the other end is connected to the RO inlet pipe between the first water pump and the fifth electronic valve. Drain pipes are connected to the RO outlet pipe, the dialysate outlet pipe, and the supply pipe. A sixth electronic valve is installed on each drain pipe.

[0012] The beneficial effects of this invention are as follows: When preparing and supplying dialysis solution daily, RO water is supplied from the RO water treatment system to the water tank, and then the RO water is pumped into the dissolving tank. An appropriate amount of dialysis powder is added in proportion from the metering hopper, and then the dialysis powder is dissolved in the RO water by the stirring component in the dissolving tank to prepare dialysis solution. The prepared dialysis solution is then transported to the constant pressure tank for dialysis use in each bed. Each time, only a small amount of dialysis solution is prepared in the dissolving tank and temporarily stored in the constant pressure tank for use, thereby maintaining the freshness of the dialysis solution used. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the hemodialysis concentrate central supply system according to an embodiment of this application.

[0014] Figure 2 This is a schematic diagram of the water supply system according to an embodiment of this application.

[0015] Figure 3 This is a schematic diagram of the dissolving system according to an embodiment of this application.

[0016] Figure 4 This is a schematic diagram of the liquid supply system according to an embodiment of this application.

[0017] The system comprises: 1. Water supply system; 11. Water tank; 12. RO inlet pipe; 13. First water pump; 14. RO outlet pipe; 141. First electronic valve; 15. Second water pump; 2. Dissolving system; 21. Dissolving tank; 22. Quantitative feed hopper; 23. Dialysis fluid outlet pipe; 231. Third electronic valve; 24. Third water pump; 3. Liquid supply system; 31. Constant pressure tank; 32. Liquid supply pipe; 33. Sterilization lamp; 34. Fourth water pump; 4. Waste discharge pipe; 51. Overflow pipe; 61. Heating tube; 62. Second electronic valve; 63. Heating wire; 64. Temperature sensor; 71. Detection tube; 72. Fourth electronic valve; 73. Conductivity sensor; 81. Disinfectant storage tank; 82. Disinfectant inlet pipe; 83. Drain pipe; 84. Sixth electronic valve. Detailed Implementation

[0018] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0019] This application discloses a central supply system for hemodialysis concentrate, referring to... Figure 1 and Figure 2 It includes a water supply system 1, a dissolving system 2, and a liquid supply system 3. The water supply system 1 includes a water tank 11, on which an RO inlet pipe 12 is provided. The RO inlet pipe 12 is connected to an RO water source, which can be a reverse osmosis water machine. A first water pump 13 is connected to the RO inlet pipe 12. An RO outlet pipe 14 is connected to the bottom of the water tank 11, and a second water pump 15 is connected to the RO outlet pipe 14.

[0020] Reference Figure 3 The dissolution system 2 includes a dissolution tank 21, with an RO outlet pipe 14 connected to it. A second water pump 15 pumps RO water from the water tank 11 into the dissolution tank 21. A metering hopper 22 for holding dialysis powder is connected to the top of the dissolution tank 21, and a discharge valve for opening and closing the hopper 22 is located at its bottom. Specifically, the metering hopper 22 is connected above the dissolution tank 21 via a weight sensor, and a screw conveyor connects the bottom of the hopper 22 to the dissolution tank 21. The screw conveyor gradually extrudes the dialysis powder from the metering hopper 22 into the dissolution tank 21. A stirring assembly is installed inside the dissolution tank 21, including motor-driven stirring blades. The stirring blades are located inside the dissolution tank 21, and the stirring assembly accelerates the dissolution of the dialysis powder into the RO water. Specifically, a first liquid level sensor is installed in the dissolving tank 21. The first liquid level sensor is close to the bottom of the dissolving tank 21. When the liquid level in the dissolving tank 21 is lower than the first liquid level sensor, the control system controls the second water pump 15, the quantitative feed hopper 22 and the stirring assembly to start adding RO water and dialysis powder to the dissolving tank 21 to prepare dialysis solution.

[0021] Reference Figure 3 The bottom of the dissolving tank 21 is connected to a dialysate outlet pipe 23, and a third water pump 24 is connected to the dialysate outlet pipe 23. The supply system 3 includes a constant pressure tank 31, and the dialysate outlet pipe 23 is connected to the constant pressure tank 31. The third water pump 24 pumps the prepared dialysate from the dissolving tank 21 into the constant pressure tank 31. The bottom of the constant pressure tank 31 is equipped with a supply pipe 32, and a fourth water pump 34 is installed on the supply pipe 32. The supply pipe 32 is connected to multiple branch pipes, which are connected to the dialysis machines of each patient bed. The constant pressure tank 31 is equipped with a second liquid level sensor and a third liquid level sensor at a vertical height. After the equipment is started, when the liquid level in the constant pressure tank 31 is lower than that of the third liquid level sensor, the control system controls the third water pump 24 to start, which replenishes the dialysate in the dissolving tank 21 to the constant pressure tank 31. When the liquid level in the constant pressure tank 31 is higher than that of the second liquid level sensor, the third water pump 24 stops operating, thereby keeping the liquid level in the constant pressure tank 31 within a certain range.

[0022] Furthermore, it also includes a waste discharge pipe 4, and overflow pipes 51 are installed on the outer walls of the water tank 11, the dissolving tank 21 and the constant pressure tank 31. When the liquid level in the water tank 11, the dissolving tank 21 and the constant pressure tank 31 exceeds the standard value due to excessive pumping, the excess liquid is discharged through the overflow pipe 51 and the waste discharge pipe 4.

[0023] Furthermore, the water tank 11 is also equipped with a heating function. Specifically, a heating tube 61 is provided on one side of the water tank 11, and a first electronic valve 141 is connected to the RO outlet pipe 14. The first electronic valve 141 is located on the side of the second water pump 15 away from the water tank 11. One end of the heating tube 61 is connected to the water tank 11, and the other end is connected between the second water pump 15 and the first electronic valve 141. A heating wire 63 and a second electronic valve 62 are provided on the heating tube 61. The heating wire 63 is wound around the outer wall of the heating tube 61. A temperature sensor 64 can be installed inside the water tank 11. When the temperature sensor 64 detects that the temperature of the dialysate in the water tank 11 is lower than the set standard, the control system controls the first electronic valve 141 to close and the second electronic valve 62 to open. After the second water pump 15 starts, the RO water in the water tank 11 is pumped into the heating tube 61, heated by the heating wire 63, and then enters the water tank 11. The RO water in the water tank 11 is heated by the circulating pump until the temperature sensor 64 detects that the temperature of the dialysate in the water tank 11 has reached the set standard. Then the heating wire 63 and the second water pump 15 are stopped, the second electronic valve 62 is closed, and the first electronic valve 141 is opened.

[0024] Furthermore, a detection tube 71 is provided on one side of the dissolving tank 21. A third electronic valve 231 is connected to the end of the dialysate outlet pipe 23 located away from the dissolving tank 21 from the third water pump 24. One end of the detection tube 71 is connected to the dialysate outlet pipe 23 between the third electronic valve 231 and the third water pump 24, and the other end is connected to the dissolving tank 21. A fourth electronic valve 72 and a conductivity sensor 73 are installed on the detection tube 71. When preparing dialysate in the dissolving tank 21, the control system controls the third electronic valve 231 to close and the fourth electronic valve 72 and the third water pump 24 to open, pumping the dialysate from the dissolving tank 21 into the detection tube 71. The conductivity sensor 73 monitors the dissolution of the dialysate powder in the RO water in real time. When the conductivity sensor 73 detects that the dialysate powder has completely dissolved, the control system controls the fourth electronic valve 72 and the third water pump 24 to close and the third electronic valve 231 to open, confirming that the dialysate preparation in the dissolving tank 21 is complete.

[0025] A sterilization lamp 33 can be connected to the supply tube 32 to sterilize the dialysate that enters the dialysis machine through the supply tube 32, thereby improving the freshness of the dialysate.

[0026] To disinfect and sterilize the system daily after treatment, a disinfection system is also included. This system includes a disinfectant storage tank 81 and a disinfectant inlet pipe 82. A fifth electronic valve is installed on the side of the RO inlet pipe 12 furthest from the first water pump 13. One end of the disinfectant inlet pipe 82 is connected to the disinfectant storage tank 81, and the other end is connected to the RO inlet pipe 12 between the first water pump 13 and the fifth electronic valve. Drain pipes 83 are connected to the RO outlet pipe 14, the dialysate outlet pipe 23, and the supply pipe 32. Each drain pipe 83 is equipped with a sixth electronic valve 84. By opening the fifth electronic valve and the first water pump 13, disinfectant can be pumped from the disinfectant storage tank 81 into the system and into each tank for disinfection. After disinfection, the sixth electronic valve 84 is opened, and the disinfectant in the tanks is discharged into the waste discharge pipe 4 by each water pump. Furthermore, a drain pipe 83 and a sixth electronic valve 84 can be connected to each branch pipe. The drain pipe 83 on each branch pipe is connected to a waste pipe 4. When the disinfectant is running in the system, each branch pipe can be disinfected, achieving comprehensive disinfection and cleaning of the system.

[0027] Those skilled in the art will understand that although preferred embodiments of the present invention have been described, those skilled in the art, once they understand the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention. Clearly, those skilled in the art can make various alterations and modifications to the present invention without departing from its spirit and scope. Thus, if these modifications and modifications of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention also intends to include these modifications and modifications.

Claims

1. A central supply system for hemodialysis concentrate, characterized in that: It includes a water supply system (1), a dissolving system (2), and a liquid supply system (3); The water supply system (1) includes a water tank (11), an RO inlet pipe (12) is provided on the water tank (11), a first water pump (13) is provided on the RO inlet pipe (12), the RO inlet pipe (12) is connected to an RO water source, an RO outlet pipe (14) is provided at the bottom of the water tank (11), and a second water pump (15) is provided on the RO outlet pipe (14). The dissolution system (2) includes a dissolution tank (21), the top of which is connected to a quantitative feed hopper (22) for holding dialysis powder. A stirring assembly is provided inside the dissolution tank (21). A discharge valve for opening and closing the quantitative feed hopper (22) is provided at the bottom. The RO outlet pipe (14) is connected to the dissolution tank (21). A dialysis liquid outlet pipe (23) is connected to the bottom of the dissolution tank (21). A third water pump (24) is provided on the dialysis liquid outlet pipe (23). The fluid supply system (3) includes a constant pressure tank (31), the dialysate outlet pipe (23) is connected to the constant pressure tank (31), the bottom of the constant pressure tank (31) is provided with a fluid supply pipe (32), a fourth water pump (34) is provided on the fluid supply pipe (32), and the fluid supply pipe (32) is connected to multiple branch pipes, which are connected to the dialysis machines of each bed.

2. The hemodialysis concentrate central supply system according to claim 1, characterized in that, It also includes a waste discharge pipe (4), and overflow pipes (51) are provided on the outer walls of the water tank (11), the dissolving tank (21) and the constant pressure tank (31), and the other end of the overflow pipe (51) is connected to the waste discharge pipe (4).

3. The hemodialysis concentrate central supply system according to claim 1, characterized in that, A heating tube (61) is provided on one side of the water tank (11), and a first electronic valve (141) is provided on the RO outlet pipe (14). The first electronic valve (141) is located on the side of the second water pump (15) away from the water tank (11). One end of the heating tube (61) is connected to the water tank (11), and the other end is connected between the second water pump (15) and the first electronic valve (141). A heating wire (63) and a second electronic valve (62) are provided on the heating tube (61).

4. The hemodialysis concentrate central supply system according to claim 1, characterized in that, It also includes a detection tube (71), and a third electronic valve (231) is provided at the end of the dialysate outlet tube (23) located away from the dissolving tank (21) from the third water pump (24). One end of the detection tube (71) is connected to the dialysate outlet tube (23) between the third electronic valve (231) and the third water pump (24), and the other end is connected to the dissolving tank (21). A fourth electronic valve (72) and a conductivity sensor (73) are provided on the detection tube (71).

5. The hemodialysis concentrate central supply system according to claim 1, characterized in that, A sterilization lamp (33) is connected to the liquid supply tube (32).

6. The hemodialysis concentrate central supply system according to claim 2, characterized in that, It also includes a disinfection system, which includes a disinfectant storage tank (81) and a disinfectant inlet pipe (82). A fifth electronic valve is provided on the side of the RO inlet pipe (12) away from the first water pump (13). One end of the disinfectant inlet pipe (82) is connected to the disinfectant storage tank (81), and the other end is connected to the RO inlet pipe (12) between the first water pump (13) and the fifth electronic valve. Drain pipes (83) are connected to the RO outlet pipe (14), the dialysate outlet pipe (23), and the supply pipe (32). A sixth electronic valve (84) is provided on each of the drain pipes (83).

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