Blood purification device

A dual-patient blood purification device with integrated components and centralized dialysate supply addresses space constraints in dialysis facilities, enhancing efficiency and reducing costs.

JP2026109292APending Publication Date: 2026-07-01NIPRO CORP

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
NIPRO CORP
Filing Date
2024-12-19
Publication Date
2026-07-01

AI Technical Summary

Technical Problem

The increasing need for dialysis treatment is outpacing the available floor space in dialysis facilities, necessitating a space-saving solution to treat multiple patients simultaneously without expanding the facility.

Method used

A blood purification device designed to treat two patients simultaneously, incorporating a housing with side walls housing separate blood purifiers and pumps, and a centralized or integrated dialysate supply system, allowing for compact installation and reduced operational costs.

Benefits of technology

The device reduces installation space requirements, enables efficient treatment of multiple patients, minimizes operator movement, and lowers costs by integrating components and simplifying the dialysate supply process.

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Abstract

To provide a blood purification device that can reduce the installation space required for the device in a space where multiple patients are treated. [Solution] The blood purification device 1A comprises a housing 10, a first blood purifier 21, a second blood purifier 22, a first blood pump 31, and a second blood pump 32. The housing 10 has a first side wall 11 and a second side wall 12. The first blood purifier 21 is incorporated into a first blood circuit through which the blood of a first patient flows. The second blood purifier 22 is incorporated into a second blood circuit through which the blood of a second patient flows. The first blood pump 31 is connected to the first blood circuit. The second blood pump 32 is connected to the second blood circuit. The first blood purifier 21 and the first blood pump 31 are provided on the first side wall 11. The second blood purifier 22 and the second blood pump 32 are provided on the second side wall 12.
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Description

Technical Field

[0001] The present invention relates to a blood purification device.

Background Art

[0002] In recent years, with the development of the economic levels of various countries and the improvement of medical infrastructure, the need for dialysis treatment has been increasing. In the implementation of dialysis treatment, a blood purification device such as that disclosed in Japanese Patent Application Laid-Open No. 2023-177607 (Patent Document 1) is used one by one for each patient.

Prior Art Documents

Patent Documents

[0003] [[ID=二十二]]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] While the need for dialysis treatment is increasing, the floor area of dialysis facilities is correspondingly limited, so treatment of multiple patients may be carried out simultaneously in a narrow dialysis room. If the installation space of the device in the space where treatment of multiple patients is carried out can be made space-saving, more patients can be treated without adding more dialysis rooms.

[0005] Therefore, the present invention has been made in view of the above points, and an object thereof is to provide a blood purification device capable of reducing the installation space of the device occupying the space where treatment of multiple patients is carried out. [[ID = 41]]

Means for Solving the Problems

[0006] The blood purification device according to the present invention comprises a housing, a first blood purifier, a second blood purifier, a first blood pump, and a second blood pump. The housing has a first side wall and a second side wall. The first blood purifier is incorporated into a first blood circuit through which the blood of a first patient flows. The second blood purifier is incorporated into a second blood circuit through which the blood of a second patient flows. The first blood pump is connected to the first blood circuit. The second blood pump is connected to the second blood circuit. The first blood purifier and the first blood pump are provided on the first side wall. The second blood purifier and the second blood pump are provided on the second side wall. [Effects of the Invention]

[0007] According to the present invention, it is possible to provide a blood purification device that can reduce the installation space required for the device in a space where multiple patients are treated. [Brief explanation of the drawing]

[0008] [Figure 1] This is a perspective view of the blood purification device according to Embodiment 1. [Figure 2] Figure 1 is a schematic plan view of the blood purification device. [Figure 3] Figure 1 is a block diagram showing the configuration of the dialysate circuit in the blood purification device. [Figure 4] Figure 1 is a schematic plan view showing an example of the arrangement of blood purification equipment in a dialysis room. [Figure 5] This is a perspective view of the blood purification device according to Embodiment 2. [Figure 6] Figure 5 is a schematic plan view showing an example of the arrangement of blood purification equipment in a dialysis room. [Modes for carrying out the invention]

[0009] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the embodiments shown below, the same or common parts are denoted by the same reference numerals in the drawings, and the description thereof will not be repeated.

[0010] The blood purification device according to the following embodiments can be used for any of continuous renal replacement therapy (CRRT), hemodiafiltration (HDF), hemodialysis (HD), hemofiltration (HF), intermittent infusion hemodiafiltration (I-HDF), general hemodialysis (HD), continuous hemodiafiltration (CHDF), continuous hemofiltration (CHF), and continuous hemodialysis (CHD). The blood purification device according to the following embodiments can be used in various locations within a hospital, such as, for example, a dialysis room, an operating room, an intensive care unit, an emergency treatment room, a patient room, or a preparation room.

[0011] (Embodiment 1) <A. Configuration of the blood purification device> FIG. 1 is a perspective view of the blood purification device according to Embodiment 1. FIG. 2 is a schematic plan view of the blood purification device shown in FIG. 1. FIG. 3 is a block diagram showing the configuration of the dialysate circuit in the blood purification device shown in FIG. 1. First, the configuration of the blood purification device 1A according to the present embodiment will be described with reference to FIGS. 1 to 3.

[0012] The blood purification device 1A is configured to be able to perform blood purification treatments for two patients simultaneously in parallel.

[0013] As shown in FIGS. 1 to 3, the blood purification device 1A includes a housing 10 and a carriage 100. The housing 10 is provided on the carriage 100. The carriage 100 has a moving mechanism 110 that enables the blood purification device 1A to move. In the present embodiment, a plurality of casters are used as the moving mechanism 110. Note that the moving mechanism 110 is not particularly limited to casters.

[0014] The housing 10 has an outer shape that is substantially pentagonal in plan view. In the present embodiment, the shape of the housing 10 in plan view is a regular pentagon. The housing 10 has a first side wall 11, a second side wall 12, a third side wall 13, a fourth side wall 14, and a fifth side wall 15. The first side wall 11, the second side wall 12, the third side wall 13, the fourth side wall 14, and the fifth side wall 15 are arranged along the circumferential direction of the housing 10 in this order when the housing 10 is viewed in plan. Therefore, for example, the first side wall 11 is located adjacent to the second side wall 12 and the fifth side wall 15. In the present embodiment, the fourth side wall 14 constitutes the back surface of the housing 10.

[0015] Note that the outer shape of the housing 10 in plan view is not particularly limited to being substantially pentagonal, and may be configured in a polygonal shape other than a pentagon. The housing 10 may have side walls configured in a curved surface.

[0016] The blood purification device 1A includes a first blood circuit through which the blood of a first patient flows and a second blood circuit through which the blood of a second patient flows.

[0017] A first blood purifier 21 is incorporated in the arterial side line of the first blood circuit. A second blood purifier 22 is incorporated in the arterial side line of the second blood circuit. The first blood purifier 21 and the second blood purifier 22 are so-called dialyzers and have, for example, a semipermeable membrane made of a hollow fiber membrane inside.

[0018] A first blood pump 31 is connected to the arterial side line of the first blood circuit. A second blood pump 32 is connected to the arterial side line of the second blood circuit.

[0019] The first blood pump 31 is for circulating the blood of the first patient in the first blood circuit, and transports the blood to the first blood purifier 21. The second blood pump 32 is for circulating the blood of the second patient in the second blood circuit, and transports the blood to the second blood purifier 22.

[0020] A first replenishing fluid line (not shown) is connected to the arterial side line or the venous side line of the first blood circuit. A first replenishing fluid pump 33 is provided in the first replenishing fluid line. The first replenishing fluid pump 33 is for sending the replenishing fluid in the first replenishing fluid line to the arterial side line or the venous side line.

[0021] A second replenishing fluid line (not shown) is connected to the arterial side line or the venous side line of the second blood circuit. A second replenishing fluid pump 34 is provided in the second replenishing fluid line. The second replenishing fluid pump 34 is for sending the replenishing fluid in the second replenishing fluid line to the arterial side line or the venous side line.

[0022] The first blood pump 31, the second blood pump 32, the first replenishing fluid pump 33, and the second replenishing fluid pump 34 may be roller pumps or other types of pumps.

[0023] The operations of the first blood pump 31 and the first replenishing fluid pump 33 are controlled by the first operation unit 41. The operations of the second blood pump 32 and the second replenishing fluid pump 34 are controlled by the second operation unit 42.

[0024] The first blood purifier 21, the first blood pump 31, the first replenishing fluid pump 33, and the first operation unit 41 are provided on the first side wall 11 of the housing 10. The second blood purifier 22, the second blood pump 32, the second replenishing fluid pump 34, and the second operation unit 42 are provided on the second side wall 12 of the housing 10. Note that the first replenishing fluid pump 33 does not necessarily have to be provided on the first side wall 11. The second replenishing fluid pump 34 does not necessarily have to be provided on the second side wall 12.

[0025] A tank 150 (see Figure 3) containing the first stock solution is placed on the trolley 100. The first stock solution is a liquid preparation prepared by dissolving a first raw material powder containing at least one of the solute components of the dialysate, such as calcium salt, magnesium salt, potassium salt, sodium salt, and glucose, in water. The tank 150 contains an amount of the first stock solution sufficient to prepare dialysate for the treatment of at least two people.

[0026] The first stock solution contained in tank 150 is supplied to the dialysate supply unit 200, for example, via an absorption nozzle. This absorption nozzle constitutes part of the first flow path R1 that delivers the first stock solution to the dialysate supply unit 200. The dialysate supply unit 200 will be described later.

[0027] A first retaining portion 51 is provided on the first side wall 11. The first retaining portion 51 detachably holds a powder container 61 containing the second raw material powder of the second stock solution. The second stock solution is a liquid formulation prepared by dissolving the second raw material powder, which contains at least sodium bicarbonate, another part of the solute components of the dialysis fluid, in water.

[0028] The first holding unit 51 introduces water, which is the dissolving solution supplied from the dissolving solution supply device 80, into the powder container 61, and also constitutes part of the second flow path R2 that sends the second stock solution, obtained by dissolving the second raw material powder in the water, to the dialysis fluid supply unit 200.

[0029] The first holding section 51 includes an upper arm and a lower arm. The upper arm and the lower arm are spaced apart from each other in the vertical direction. The upper arm is rotatably connected to the first side wall 11 between an open position extending horizontally and a closed position extending vertically downward. The lower arm is rotatably connected to the first side wall 11 between an open position extending horizontally and a closed position extending vertically upward.

[0030] A second holding portion 52 is provided on the second side wall 12. The second holding portion 52 detachably holds the powder container 62 containing the second raw material powder. The second holding portion 52 introduces water supplied from the dissolving solution supply device 80 into the powder container 62 and also constitutes part of the third flow path R3 that sends the second stock solution obtained by dissolving the second raw material powder in the water to the dialysis fluid supply unit 200.

[0031] The second holding section 52 includes an upper arm and a lower arm. The upper arm and the lower arm are spaced apart from each other in the vertical direction. The upper arm is rotatably connected to the second side wall 12 between an open position extending horizontally and a closed position extending vertically downward. The lower arm is rotatably connected to the second side wall 12 between an open position extending horizontally and a closed position extending vertically upward.

[0032] A dialysate supply unit 200 is located inside the housing 10. The dialysate supply unit 200 supplies the prepared dialysate to the first blood purifier 21 and the second blood purifier 22.

[0033] In this embodiment, the dialysate supply unit 200 is composed of a tank having a predetermined volume. The dialysate is prepared by mixing a first stock solution and a second stock solution in this tank. The prepared dialysate is temporarily stored in this tank. A stirring mechanism, such as a stirrer, may be provided inside the tank.

[0034] The dialysate supply unit 200 is not limited to being composed of a tank. For example, the dialysate supply unit 200 may be composed of a piping structure that merges the first flow path R1, the second flow path R2, and the third flow path R3, and a branch pipe structure that divides the prepared dialysate and supplies it to the first blood purifier 21 and the second blood purifier 22, respectively.

[0035] A fluid delivery pump Q may be provided between the dialysate supply unit 200 and the first blood purifier 21, and between the dialysate supply unit 200 and the second blood purifier 22. This makes it possible to supply dialysate to the first blood purifier 21 and the second blood purifier 22 more reliably.

[0036] Here, the arrangement of the first blood purifier 21, first blood pump 31, first fluid replacement pump 33, first operating unit 41, and first holding unit 51 as viewed from a position opposite the first side wall 11 (i.e., along arrow AR1 in Figure 2) is the same as the arrangement of the second blood purifier 22, second blood pump 32, second fluid replacement pump 34, second operating unit 42, and second holding unit 52 as viewed from a position opposite the second side wall 12 (i.e., along arrow AR2 in Figure 2). By arranging each component in this way, the routing of the first blood circuit to which the first blood pump 31 is connected and the routing of the second blood circuit to which the second blood pump 32 is connected can be made roughly the same. As a result, it becomes possible to simplify the routing of these components.

[0037] The blood purification device 1A further includes a first monitoring unit 71 capable of monitoring the blood purification treatment of the first patient, and a second monitoring unit 72 capable of monitoring the blood purification treatment of the second patient.

[0038] The first monitor unit 71 is mounted on a support portion protruding from the top wall 16 of the housing 10 so as to be positioned above the first side wall 11. The first monitor unit 71 is positioned so that its display can be viewed from a position facing the first side wall 11. This allows the operator of the blood purification device 1A (i.e., a doctor, nurse, etc.) to operate the first control unit 41 and check the first monitor unit 71 simultaneously in a natural posture.

[0039] The second monitor unit 72 is attached to the support portion so as to be disposed at a position above the second side wall 12. The second monitor unit 72 is disposed such that the display of the second monitor unit 72 can be visually recognized from a position facing the second side wall 12. Thereby, an operator of the blood purification device 1A can simultaneously perform operations such as those on the second operation unit 42 and confirmation of the second monitor unit 72 in a natural posture.

[0040] The first monitor unit 71 and the second monitor unit 72 may be detachably attached to the support portion. Thereby, it becomes possible to manage the first monitor unit 71 and the second monitor unit 72 in a nurse's station or the like, which is a space different from the dialysis room R. As the first monitor unit 71 and the second monitor unit 72, for example, a touch panel type display or the like can be used.

[0041] <B. An Example of Arrangement of Blood Purification Device> FIG. 4 is a schematic plan view showing an example of the arrangement of the blood purification device shown in FIG. 1 in a dialysis room. Next, an example of the arrangement of the blood purification device 1A in the dialysis room R according to the present embodiment will be described with reference to FIG. 4. In FIG. 4, a case where eight patients are arranged in two rows and four columns is illustrated. Further, in FIG. 4, only the housing 10 of the blood purification device 1A is shown.

[0042] The arrangement of the blood purification device 1A shown in FIG. 4 is merely an example and can be changed as appropriate. Hereinafter, for convenience of explanation, the four patients arranged in the upper row in FIG. 4 will also be referred to as the first patient P1, the second patient P2, the third patient P3, and the fourth patient P4 in order from the right side.

[0043] As shown in FIG. 4, four blood purification devices 1A are arranged in the dialysis room R. The blood purification devices 1A are arranged in the passage between the first patient P1 and the second patient P2, and in the passage between the third patient P3 and the fourth patient P4. The blood purification device 1A arranged in the passage between the first patient P1 and the second patient P2 simultaneously performs the blood purification treatment of the first patient P1 and the blood purification treatment of the second patient P2. The blood purification device 1A arranged in the passage between the third patient P3 and the fourth patient P4 simultaneously performs the blood purification treatment of the third patient P3 and the blood purification treatment of the fourth patient P4. On the other hand, there is no need to arrange the blood purification device 1A in the passage between the second patient P2 and the third patient P3.

[0044] <C. Parentheses> Here, in the blood purification device 1A according to the present embodiment, as described above, components such as the first blood purifier 21 and the second blood purifier 22 are provided on the first side wall 11 and the second side wall 12 that are adjacent to each other.

[0045] In such a configuration, the area required to install one blood purification device 1A can be made smaller than the area required to install two conventional blood purification devices each of which can only perform the blood purification treatment of one patient by one device. By using one blood purification device 1A, at least one of the casings of the components of each of the two conventional blood purification devices can be integrated into one.

[0046] As a result, by using the blood purification device 1A, it becomes possible to treat more patients without expanding the dialysis room.

[0047] As described above, by configuring the blood purification device 1A according to the present embodiment, it is possible to provide a blood purification device capable of reducing the installation space of the device in the space where the treatment of a plurality of patients is performed.

[0048] Furthermore, when using a conventional blood purification device that can perform blood purification treatment on only one patient with a single device, it may be necessary to place the blood purification device in the passage between the second patient P2 and the third patient P3. However, when using blood purification device 1A, it becomes unnecessary to place the blood purification device in that passage. Therefore, in this respect as well, it is possible to reduce the space required for the installation of blood purification devices in a space where multiple patients are treated.

[0049] Furthermore, when using one blood purification device 1A according to this embodiment, it is possible to reduce costs such as the introduction cost and running costs of the blood purification device compared to when using two of the conventional blood purification devices described above. This is because, by using one blood purification device 1A, at least the housing and trolley, which are components of each of the two conventional blood purification devices described above, can be integrated into one unit.

[0050] Furthermore, when using two of the conventional blood purification devices described above, the dialysis fluid supply lines for the first patient and the dialysis fluid supply lines for the second patient will exist independently of each other. However, when using one blood purification device 1A, it is possible to integrate a portion of the dialysis fluid supply line for the first patient and a portion of the dialysis fluid supply line for the second patient. In this respect as well, by using blood purification device 1A, it is possible to reduce costs and miniaturize the device.

[0051] Furthermore, as described above, by providing components such as the first blood purifier 21 and the second blood purifier 22 on the first side wall 11 and the second side wall 12, which are adjacent to each other, the operator of the blood purification device 1A can check the treatment status of one of the patients, the first patient P1 and the second patient P2, and then immediately check the treatment status of the other patient with minimal movement. In this way, using the blood purification device 1A makes it possible to reduce the distance the operator has to travel between multiple blood purification devices. As a result, it is possible to reduce the workload of the operator.

[0052] Furthermore, in the blood purification device 1A according to this embodiment, as described above, the housing 10 has an external shape that is approximately pentagonal in plan view. This allows for a larger volume of the housing 10 compared to the case where the housing 10 has an external shape that is approximately triangular in plan view. In addition, compared to the case where the housing 10 has an external shape that is approximately triangular in plan view, the blood purification device 1A is less likely to tip over towards the first side wall 11 or the second side wall 12.

[0053] In this embodiment, the example shows that the first retaining portion 51 is provided on the first side wall 11 and the second retaining portion 52 is provided on the second side wall 12. However, these retaining portions may be provided on any of the third side wall 13, fourth side wall 14, and fifth side wall 15. Furthermore, the first retaining portion 51 and the second retaining portion 52 may be integrated into a single retaining portion. In this case, naturally, the powder containers 61 and 62 containing the second raw material powder of the second stock solution will also be integrated into a single powder container.

[0054] Furthermore, in this embodiment, an example is given in which the first blood purifier 21, the first blood pump 31, and the first fluid replacement pump 33 are provided on the first side wall 11 so as to be exposed to the outside. However, the first blood purifier 21, the first blood pump 31, and the first fluid replacement pump 33 only need to be provided on the first side wall 11 so as to be visible from the outside. For example, the first blood purifier 21, the first blood pump 31, or the first fluid replacement pump 33 may be arranged inside a pocket-shaped portion provided in the first side wall 11, and a transparent cover made of resin or the like, which can be opened and closed, may be provided at the opening of the pocket-shaped portion. The same applies to the second blood purifier 22, the second blood pump 32, and the second fluid replacement pump 34.

[0055] Furthermore, although this embodiment illustrates a case where the first monitor unit 71 and the second monitor unit 72 are configured as separate displays, for example, a portion of a single display may show information for monitoring the blood purification treatment of the first patient, and another portion of the display may show information for monitoring the blood purification treatment of the second patient. In this case, the portion of the display that shows information for monitoring the blood purification treatment of the first patient corresponds to the first monitor unit 71, and the other portion of the display that shows information for monitoring the blood purification treatment of the second patient corresponds to the second monitor unit 72.

[0056] Furthermore, in this embodiment, the case in which the plan view shape of the housing 10 is a regular pentagon is illustrated, but the angle formed by the first side wall 11 and the second side wall when the housing 10 is viewed from above may be set to be larger or smaller than the angle formed by other combinations of side walls. If the angle formed by the first side wall 11 and the second side wall is set to be larger than the angle formed by other combinations of side walls, it becomes possible to further reduce the distance the operator has to move to check the treatment status of one of the first patient P1 and the second patient P2 after checking the treatment status of the other patient.

[0057] Furthermore, in this embodiment, alarm devices such as flashing lights may be provided on each of the first side wall 11 and the second side wall 12. In this case, if an abnormality occurs in either the treatment of the first patient or the treatment of the second patient, the operator will be able to instantly determine which patient's treatment has been affected.

[0058] Furthermore, although this embodiment illustrates a case where the blood purification device 1A includes a first fluid replacement pump 33 and a second fluid replacement pump 34, the blood purification device 1A does not necessarily have to include a first fluid replacement pump 33 and a second fluid replacement pump 34.

[0059] (Embodiment 2) Figure 5 is a perspective view of the blood purification device according to Embodiment 2. Figure 6 is a schematic plan view showing an example of the arrangement of the blood purification device shown in Figure 5 in a dialysis room. The blood purification device 1B according to this embodiment will be described below with reference to Figures 5 and 6.

[0060] As shown in Figures 5 and 6, the blood purification device 1B according to this embodiment differs from the blood purification device 1A according to Embodiment 1 described above in its method of supplying dialysate.

[0061] In detail, in this embodiment, a so-called central system is employed as the method of supplying dialysate, in which dialysate prepared in a large dialysate supply device 500 is supplied to each of the multiple blood purification devices.

[0062] The dialysate supply device 500 includes a first stock solution tank containing a first stock solution, a second stock solution tank containing a second stock solution, and a dissolving solution supply device. The dialysate supply device 500 prepares dialysate by diluting the solutions stored in the first stock solution tank and the second stock solution tank, respectively, with water supplied from the dissolving solution supply device, and supplies the prepared dialysate to each blood purification device 1B.

[0063] In this embodiment, the dialysate supply device 500 is installed in a different room from the dialysis room R where the blood purification device 1B is installed. The dialysate supply device 500 and each blood purification device 1B are connected to each other, for example, by piping. The inlet for introducing dialysate into the blood purification device 1B is preferably provided on the fourth side wall 14 of the housing 10 (i.e., the back of the housing 10). It is preferable that an endotoxin capture filter is attached to the inlet.

[0064] Thus, in this embodiment, there is no need to prepare dialysate in the blood purification device 1B. Therefore, the blood purification device 1B differs from the blood purification device 1A according to Embodiment 1 described above in that it does not have a tank containing the first stock solution, a first holding section 51, and a second holding section 52.

[0065] The dialysate supplied from the dialysate supply device 500 into the blood purification device 1B is divided by a branch pipe provided inside the blood purification device 1B and supplied to the first blood purifier 21 and the second blood purifier 22, respectively. In this embodiment, this branch pipe corresponds to the dialysate supply unit.

[0066] Even with this configuration, the same effects as those described in Embodiment 1 above can be obtained, making it possible to provide a blood purification device that can reduce the installation space required for the device in a space where multiple patients are treated.

[0067] Furthermore, this configuration simplifies the internal structure of the blood purification device 1B. This is because it eliminates the need to prepare the dialysate inside the blood purification device 1B. As a result, it becomes possible to miniaturize the blood purification device 1B, and thus reduce the installation space required for the blood purification device 1B.

[0068] (Note) The characteristic configuration of the blood purification device disclosed in the above-described embodiment can be summarized as follows:

[0069] [Note 1] A housing having a first side wall and a second side wall, The first blood purifier is incorporated into the first blood circuit through which the blood of the first patient flows, A second blood purifier is incorporated into the second blood circuit through which the blood of the second patient flows, A first blood pump connected to the first blood circuit described above, The system comprises a second blood pump connected to the second blood circuit described above, The first blood purifier and the first blood pump are provided on the first side wall, The above-mentioned second blood purifier and second blood pump are provided on the second side wall of the blood purification device.

[0070] [Note 2] The blood purification device described in Appendix 1, wherein the first side wall and the second side wall are located adjacent to each other.

[0071] [Note 3] A first monitoring unit capable of monitoring the blood purification treatment of the above-mentioned first patient, It further includes a second monitoring unit capable of monitoring the blood purification treatment of the second patient mentioned above, The first monitor unit is positioned so that its display can be viewed from a position facing the first side wall. The blood purification device according to Appendix 1 or 2, wherein the second monitoring unit is positioned so that the display of the second monitoring unit can be viewed from a position opposite the second side wall.

[0072] [Note 4] The above-mentioned housing has a roughly pentagonal shape in plan view, and is a blood purification device as described in any one of the appendices 1 to 3.

[0073] (Other forms, etc.) The shape, configuration, size, number, material, etc., of each part shown in the embodiments of the present invention described above can be modified in various ways, as long as they do not depart from the spirit of the present invention.

[0074] Furthermore, the characteristic configurations shown in the embodiments of the present invention described above can naturally be combined with each other to the extent permitted in light of the spirit of the present invention.

[0075] Thus, the embodiments disclosed herein are illustrative in all respects and not restrictive. The technical scope of the present invention is defined by the claims and includes all modifications within the meaning and scope of equivalents to the claims. [Explanation of Symbols]

[0076] 1A,1B Blood purification device, 10 Housing, 11 First side wall, 12 Second side wall, 13 Third side wall, 14 Fourth side wall, 15 Fifth side wall, 16 Top wall, 21 First blood purifier, 22 Second blood purifier, 31 First blood pump, 32 Second blood pump, 33 First fluid replacement pump, 34 Second fluid replacement pump, 41 First operating unit, 42 Second operating unit, 51 First holding unit, 52 Second holding unit, 61,62 Powder container, 71 First monitoring unit, 72 Second monitoring unit, 80 Dissolving solution supply device, 100 Cart, 110 Moving mechanism, 150 Tank, 200 Dialysis fluid supply unit, 500 Dialysis fluid supply device, P1 First patient, P2 Second patient, P3 Third patient, P4 Fourth patient, Q Fluid delivery pump, R Dialysis room, R1 First flow path, R2 Second channel, R3 third channel.

Claims

1. A housing having a first side wall and a second side wall, The first blood purifier is incorporated into the first blood circuit through which the blood of the first patient flows, A second blood purifier is incorporated into the second blood circuit through which the blood of the second patient flows, A first blood pump connected to the first blood circuit, The system comprises a second blood pump connected to the second blood circuit, The first blood purifier and the first blood pump are provided on the first side wall, A blood purification device comprising the second blood purifier and the second blood pump, which are provided on the second side wall.

2. The blood purification apparatus according to claim 1, wherein the first side wall and the second side wall are located adjacent to each other.

3. A first monitoring unit capable of monitoring the blood purification treatment of the first patient, The system further comprises a second monitoring unit capable of monitoring the blood purification treatment of the second patient, The first monitor unit is positioned so that its display can be viewed from a position facing the first side wall. The blood purification apparatus according to claim 1, wherein the second monitor unit is positioned so that the display of the second monitor unit can be viewed from a position opposite the second side wall.

4. The blood purification device according to any one of claims 1 to 3, wherein the housing has a substantially pentagonal shape in plan view.