CN108619925B - Dissolving device - Google Patents
Dissolving device Download PDFInfo
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- CN108619925B CN108619925B CN201810235876.2A CN201810235876A CN108619925B CN 108619925 B CN108619925 B CN 108619925B CN 201810235876 A CN201810235876 A CN 201810235876A CN 108619925 B CN108619925 B CN 108619925B
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- dialysis
- time point
- powder
- predicted
- dissolving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
- A61M1/1666—Apparatus for preparing dialysates by dissolving solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/30—Workflow diagrams or layout of plants, e.g. flow charts; Details of workflow diagrams or layout of plants, e.g. controlling means
Abstract
The invention provides a dissolving device which enables an operator to know the input time point of additional powder for dialysis in advance. The dissolving apparatus comprises dissolving tanks (2, 3) capable of containing a predetermined amount of a stock solution for dialysis, and a dissolving apparatus (1) capable of adding and dissolving additional powder for dialysis at predetermined intervals when supplying the stock solution for dialysis to a plurality of dialysis apparatuses for performing dialysis treatment on a patient during dialysis treatment, wherein the dissolving apparatus comprises a storage element (5) for memorizing the time point of addition of the powder for dialysis in the past dialysis treatment as the actual time point of addition, a prediction means (7) for predicting the time point of addition of the powder for dialysis in the immediately preceding dialysis treatment as the predicted time point of addition based on the actual time point of addition memorized in the storage element (5), and a display means (8) for displaying the predicted time point of addition displayed by the prediction means (7).
Description
Technical Field
The present invention relates to a dissolving device for dissolving dialysis powder to obtain a dialysis stock solution.
Background
In general, a dialysate used for treating a patient with renal dysfunction in a hospital or the like is classified into a bicarbonate-based dialysate prepared by mixing two agents, i.e., a medicament containing no sodium bicarbonate (hereinafter referred to as agent a) and sodium bicarbonate (hereinafter referred to as agent B), with water, and an acetate-based dialysate. In recent years, for convenience of transportation, it has been attempted to pulverize the agent a and the agent B (hereinafter referred to as dialysis powder) and dissolve them at the present time of dialysis treatment or during dialysis treatment.
That is, since the stock solution (stock solution A in which the agent A is dissolved or stock solution B in which the agent B is dissolved) prepared by dissolving the powder for dialysis is better to be used for treatment as soon as possible after dissolution in order to keep its cleanness, particularly the stock solution B has a problem that the composition changes with the passage of time, and it is not recommended to be left for a long time after preparation, it is necessary to prepare the stock solution A or the stock solution B at present in the dialysis treatment, and further, when the stock solution A or the stock solution B is insufficient in the dialysis treatment, it is necessary to prepare the stock solutions separately.
As described above, since the dissolving operation is required for each dialysis treatment, various dissolving devices for dissolving have been proposed in the past. For example, patent documents 1 to 3 disclose a dissolving apparatus having two dissolving tanks arranged in parallel, and with this structure, when a stock solution for dialysis is supplied from one dissolving tank to a dialysis apparatus in dialysis treatment, a powder for dialysis is put into the other dissolving tank to additionally dissolve the powder for dialysis.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication No. 2001-9028
Patent document 2: japanese patent laid-open publication No. 2016-19668
Patent document 3: japanese laid-open patent publication No. 2016-19669
Disclosure of Invention
Problems to be solved by the invention
However, in the above-described conventional technique, when the height of the dialysis powder contained in the dissolution tank is lower than a predetermined liquid height, the operator of the medical staff is prompted after detection by a liquid height sensor or the like to additionally inject the dialysis powder, and the time point of injection of the additional dialysis powder cannot be grasped in advance. Therefore, even when the operator is performing other work, the dialysis powder must be additionally charged with priority, and if the operator cannot timely handle the operation, the dialysis stock solution is insufficient.
In view of the above problems, the present invention provides a dissolving apparatus that enables an operator to know in advance the time point at which additional powder for dialysis is put.
Means for solving the problems
A dissolving apparatus according to a first aspect of the present invention includes a dissolving tank for dissolving powder for dialysis to obtain a stock solution for dialysis and accommodating the stock solution for dialysis in a predetermined amount; in the dialysis treatment, when the stock solution for dialysis in the dissolution tank is supplied to a plurality of dialysis devices for dialysis treatment of a patient, additional powder for dialysis is added at predetermined intervals and dissolved, wherein the dissolution device has a storage element for storing the time point at which the additional powder for dialysis is added in the past dialysis treatment as the actual time point of addition; a prediction unit that predicts an administration time point of the dialysis powder to be added to the dialysis treatment to be executed, based on the actual administration time point memorized by the memory unit; and a display component that displays the predicted input time point predicted by the prediction component.
A second aspect of the present invention is the dissolving apparatus according to the first aspect of the present invention, further comprising a setting unit for inputting a total amount of the powder for dialysis required for dialysis treatment, and for setting the number of times the powder for dialysis should be additionally introduced and the amount of the powder for dialysis to be added at each additional introduction time point based on the input total amount of the powder for dialysis, wherein the display unit is capable of displaying the number of times the powder for dialysis should be added and the amount of the powder for dialysis to be introduced at the predicted introduction time point.
A third aspect of the present invention is the dissolving apparatus according to the second aspect of the present invention, wherein the setting means is capable of arbitrarily changing the number of times of addition and the amount of addition set by the setting means, and the prediction means corrects the predicted throw-in time in response to the change and displays the corrected predicted throw-in time on the display means.
A fourth aspect of the present invention is the dissolving apparatus according to the second or third aspect, wherein the dissolving apparatus includes a liquid level detecting means which is accommodated in the dissolving tank and is capable of continuously measuring a liquid level of the dialysis stock solution in real time, and a presenting means which presents an additional input time point of the powder for dialysis based on the liquid level of the dialysis stock solution measured by the liquid level detecting means, and the predicting means corrects the next and subsequent predicted input time points based on the additional input time point presented by the presenting means, and displays the corrected predicted input time point on the display means.
A fifth aspect of the invention is the dissolution apparatus of any one of the first to fourth aspects, wherein the storage unit stores the actual administration time point for each specific treatment day in a treatment schedule for a patient in a medical facility, and the prediction unit predicts a predicted administration time point for each specific treatment day and displays the predicted administration time point on the display unit.
A sixth aspect of the present invention is the dissolving apparatus according to any one of the first to fifth aspects, wherein the predicted input time displayed by the display means is a time or an elapsed time after the start of dissolution.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the first aspect of the present invention, based on the storage element that stores the time point at which the additional powder for dialysis is introduced in the past dialysis treatment as the actual introduction time point, and the actual introduction time point stored in the storage element, the operator can grasp the time point at which the additional powder for dialysis is introduced by the prediction means that predicts the predicted introduction time point at which the additional powder for dialysis is introduced in the immediately preceding dialysis treatment, and the display means that displays the predicted introduction time point predicted by the prediction means.
According to the second aspect of the present invention, the total amount of the powder for dialysis necessary for dialysis treatment can be input, the setting means can set the number of times of addition of the powder for dialysis to be additionally input and the amount of the powder for dialysis to be added at each additional input time point based on the total amount of the powder for dialysis, and the display means can display the number of times of addition and the amount of addition set by the setting means when the input time point is predicted, whereby the operator can grasp the number of times of addition and the amount of addition at the input time point of the powder for dialysis in advance.
According to the third aspect of the invention, the number of additions and the amount of additions set by the setting means can be arbitrarily changed, and the prediction means corrects the predicted input time point in response to the change and displays the corrected predicted input time point on the display means, so that it is possible to automatically correct the deviation of the predicted input time point occurring after the change of the number of additions or the amount of additions.
According to the fourth aspect of the invention, the apparatus may further comprise a liquid level detecting means which is accommodated in the dissolution tank and is capable of continuously measuring the liquid level of the dialysis stock solution in real time, and a presenting means which presents an additional input time point of the powder for dialysis based on the liquid level of the dialysis stock solution measured by the liquid level detecting means, and the predicting means may correct the next and subsequent predicted input time points based on the additional input time point presented by the presenting means, and may display the corrected predicted input time point on the display means, so that when the predicted input time point deviates from the actual additional input time point presented by the presenting means, the deviation can be corrected and displayed to predict the predicted input time point more accurately.
According to the fifth invention, the actual administration time point of each specific treatment day in the treatment schedule of the corresponding patient in the medical facility is memorized by the memory element, and the predicted administration time point of each specific treatment day is predicted by the prediction means and displayed on the display means, so that the predicted administration time point can be predicted more accurately in the dialysis treatment of the treatment schedule of the predetermined patient.
According to the sixth aspect of the invention, the predicted input time displayed by the display means is the time or the time elapsed after the start of dissolution, and therefore the operator can more accurately grasp the input time of the additional dialysis powder.
Drawings
Fig. 1 is an oblique view of a dissolving apparatus according to an embodiment of the present invention.
Fig. 2 is a 3-sided view of a dissolving apparatus according to an embodiment of the present invention.
Fig. 3 is a sectional view taken along line III-III in fig. 2.
Fig. 4 is a schematic view of a blood purification system to which the dissolving device according to the embodiment of the present invention is applied.
Fig. 5 is a schematic view of the configuration of a dissolving apparatus according to an embodiment of the present invention.
Fig. 6 is a schematic view of the configuration (water supply) of the dissolving apparatus according to the embodiment of the present invention.
Fig. 7 is a schematic view of the configuration of the dissolving apparatus (water supply and dissolving) according to the embodiment of the present invention.
Fig. 8 is a schematic view of the configuration (dissolution and circulation) of the dissolution apparatus according to an embodiment of the present invention.
Fig. 9 is a schematic view of the configuration (liquid supply) of the dissolving apparatus according to the embodiment of the present invention.
Fig. 10 is a schematic view showing the configuration of the dissolving apparatus (liquid supply switching and water supply) according to the embodiment of the present invention.
Fig. 11 is a schematic view of the structure (additional charge) of the dissolving apparatus according to the embodiment of the present invention.
Fig. 12 is a schematic view of the configuration (liquid supply switching and transfer) of the dissolving apparatus according to the embodiment of the present invention.
Fig. 13 is a schematic diagram of the content (catalog screen) displayed by the display component of the dissolving apparatus according to the embodiment of the present invention.
Fig. 14 is a schematic diagram of the contents (showing the predicted throw-in time point, etc.) displayed by the display unit of the dissolving apparatus according to the embodiment of the present invention.
Fig. 15 is a schematic view of the contents (showing the change of the added amount) displayed by the display unit of the dissolving apparatus according to the embodiment of the present invention.
Fig. 16 is a schematic view of the contents (showing the change of the addition amount and the number of additions) displayed by the display unit of the dissolving apparatus according to the embodiment of the present invention.
Fig. 17 is a flowchart of controlling contents of a dissolving apparatus in correcting a predicted input time point according to an embodiment of the present invention.
Fig. 18 is a flowchart of controlling contents of a dissolving apparatus in correcting a predicted input time point according to an embodiment of the present invention.
Fig. 19 is a bar graph showing the consumption tendency of the dialysis stock solution at the time of the past dialysis treatment memorized in the memory element of the dissolving apparatus according to the embodiment of the present invention.
Fig. 20 is a schematic view of a dissolving apparatus according to another embodiment of the present invention.
Description of the symbols
1: dissolving device
2: first dissolving tank
3: second dissolving tank
4: input assembly
5: memory element
6: setting assembly
7: predictive component
8: display assembly
9: liquid level height detection assembly
10: prompting component
L1: water supply pipeline
L2: connecting line
L3: liquid supply pipeline
L4: connecting line
L5: overflow line
A: dialysis device
B: dialysate supply device
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The dissolving apparatus of the present embodiment can dissolve the powder for dialysis to obtain the raw solution for dialysis, and as shown in fig. 1 to 5, can dissolve the powder for dialysis to obtain the raw solution for dialysis, and is configured to include a first dissolving tank 2 and a second dissolving tank 3 that can contain a predetermined amount of the raw solution for dialysis after dissolution, an input unit 4, a storage unit 5, a setting unit 6, a prediction unit 7, a display unit 8, a liquid level detection unit 9, and a presentation unit 10.
The first dissolution tank 2 includes a housing space into which a dialysis powder formed of sodium bicarbonate-free substance (agent a) or sodium bicarbonate (agent B) can be put, and is connected to a water supply line L1 extending from a water supply source. As shown in FIG. 5, the water supply line L1 is provided with a valve V1 formed by an electromagnetic valve or the like, and water can be supplied into the first dissolution tank 2 by opening the valve V1. Then, after a predetermined amount of water is supplied from the water supply source and stored in the first dissolution tank 2, a predetermined amount of the dialysis powder having a predetermined amount (predetermined amount) determined with respect to the amount of water is put into the first dissolution tank 2, thereby obtaining a predetermined amount of the dialysis stock solution having a predetermined concentration.
The second dissolution tank 3 includes a space into which the dialysis powder of the same type as the first dissolution tank 2 can be put, and as shown in fig. 5, a connection line L4 for connecting the second dissolution tank 3 and the first dissolution tank 2 is connected. The connection line L4 is provided with valves V2, V3 and V4 formed by solenoid valves or the like, and the liquid in the first dissolution tank 2 can be transferred to the second dissolution tank 3 by opening the valves V2, V3 and V4. At this time, the second dissolution tank 3 of the present embodiment is a water tank having a relatively smaller capacity than the first dissolution tank 2, and is connected to the first dissolution tank 2 through an overflow line L5.
Further, a connection line L2 connecting the water supply line L1, the connection line L4, and the like is connected to the first dissolution tank 2. One end of this connection line L2 is connected to the first dissolution tank 2, and the other end is connected to the connection b (position between the valve V2 and the valve V3) of the connection line L4. Further, the base end of the liquid supply line L3 is connected to a connection portion a (a position between the position where the pump P1 is provided and the connection portion b) of the connection line L2. The liquid supply line L3 is provided with a pump P2 and a valve V5 formed by a solenoid valve or the like. Meanwhile, a connecting line L6 provided with a valve V6 formed of an electromagnetic valve or the like is connected between the liquid supply line L3 and the connecting line L4.
The liquid supply line L3 is provided with a pump P2, and the tip thereof is connected to a dialysate supply device B (see fig. 4) for supplying the dialysate prepared by the dissolving device 1 to the dialysate supply device B. This dialysate supply device B dilutes the stock solution for dialysis supplied from the dissolving device 1 to a predetermined concentration to make dialysate, and is connected to the plurality of dialysis devices a by a pipeline as shown in fig. 4. Thus, the stock solution for dialysis prepared by the dissolving device 1 is prepared into a dialysate of a predetermined concentration by the dialysate supply device B, and the dialysis treatment is performed by each dialysis device a.
The liquid level detection unit 9 is formed by a sensor provided in the first dissolution tank 2, and can continuously detect the liquid level of the dialysis stock solution contained in the first dissolution tank 2 in real time. The liquid level detection unit 9 according to the present embodiment is constituted by a magnetostrictive linear displacement sensor including a floating unit which is capable of floating up and down on the surface of the liquid contained in the first dissolution tank 2, and can detect the liquid level position (i.e., the liquid level) by continuously detecting the position of the floating unit in real time.
In this case, the liquid level detection unit 9 may be of a contact type or a non-contact type, and may be configured by an ultrasonic sensor, in addition to the magnetostrictive linear displacement sensor using a floating unit as used in the present embodiment, so long as it can continuously detect the dialysis stock solution (or the supplied water or solution) contained in the first dissolution tank 2 in real time. In the present embodiment, the liquid level detection unit 9 is provided only in the first dissolution tank 2, but may be provided in both the first dissolution tank 2 and the second dissolution tank 3.
Then, the liquid level detection unit 9 is electrically connected to the indication unit 10. The presentation means 10 includes a speaker, a warning lamp, or the like capable of outputting a sound or an effect sound, and is configured to present an additional time point for adding the dialysis powder based on the liquid level of the dialysis stock solution detected by the liquid level detection means 9. That is, when the liquid level detected by the liquid level detection unit 9 is lower than a predetermined level and the dialysis stock solution is predicted to be insufficient, the presentation unit 10 presents the additional dialysis powder to the operator such as a medical staff to additionally dissolve and additionally prepare the dialysis stock solution.
Next, the dissolving operation of the dissolving apparatus 1 in this embodiment will be described.
First, before dialysis treatment (night before treatment), the powder for dialysis was contained in a predetermined amount (number of bags to be dissolved) in the second dissolution tank 3 as shown in fig. 6. Then, the valves V1 and V2 are opened, and the valves V3 to V6 are closed, so that the water supply source supplies water to the first dissolution tank 2, and the supplied water is circulated by driving the pump P2.
Next, as shown in fig. 7, the valves V1, V3, and V4 are opened, and the valves V2, V5, and V6 are closed, so that water is continuously supplied from the water supply source and the pump P1 is driven, whereby the water in the first dissolution tank 2 is supplied to the second dissolution tank 3. Thus, the dialysis powder previously stored in the second dissolution tank 3 is dissolved in water, and the dissolved solution (solution in the process of being changed into the dialysis stock solution) is sent to the first dissolution tank 2 through the overflow line L5.
Subsequently, after a predetermined amount of water is supplied, as shown in fig. 8, the valves V3 and V4 are opened, and the valves V1, V2, V5 and V6 are closed, so that the supply of water from the water supply source is stopped, but the dialysis stock solution is circulated between the first dissolution tank 2 and the second dissolution tank 3 by continuing to drive the pump P1. Thus, the prepared stock solution for dialysis can be stirred to obtain a stock solution for dialysis having a uniform concentration.
In the state where the first dissolution tank 2 and the second dissolution tank 3 contain the stock solution for dialysis, as shown in fig. 9, the valve V5 is opened, the valves V1 to V4 and V6 are closed, and the pump P1 and the pump P2 are driven, whereby the stock solution for dialysis in the first dissolution tank 2 can be supplied to the dialysate supply device B through the liquid supply line L3, and the dialysate of a predetermined concentration can be supplied to each dialysis device a to perform dialysis treatment.
After that, when the liquid level detection means 9 detects that the liquid level of the dialysis solution stock solution in the first dissolution tank 2 has reached a predetermined level, the additional input presentation by the presentation means 10 is stopped. In this case, as shown in fig. 10, the valves V1, V2, V4, and V6 are opened, and the valves V3 and V5 are closed, water is supplied from the water supply source, and the pump P2 is continuously driven to supply the dialysate to the dialysate supply device B by replacing the first dissolution tank 2 with the dialysate in the second dissolution tank 3.
Next, a predetermined amount (additional input bags) of additional dialysis powder may be input into the first dissolution tank 2, and water may be supplied from the water supply source to dissolve the input dialysis powder. At this time, by driving the pump P1, a process of circulating the solution to prepare a stock solution for dialysis can be achieved. Thus, the dialysis stock solution is continuously supplied to the second dissolution tank 3 instead of the first dissolution tank 2, and the additional powder for dialysis can be put into the first dissolution tank 2 and dissolved therein.
Subsequently, after a predetermined amount of water is supplied, as shown in fig. 11, the valves V2, V4, and V6 are opened, the valves V1, V3, and V5 are closed, the water supply from the water supply source is stopped, and the pumps P1 and P2 are continuously driven, whereby the dialysis stock solution can be continuously supplied from the second dissolution tank 3, and the dialysis stock solution in the first dissolution tank 2 can be circulated and stirred, so that a dialysis stock solution of uniform concentration can be obtained.
In the state where the first dissolution tank 2 contains the undiluted solution for dialysis, as shown in fig. 12, the valves V2 to V5 are opened, the valves V1 and V6 are closed, and the pump P1 and the pump P2 are driven to supply the undiluted solution for dialysis in the first dissolution tank 2 to the dialysate supply device B through the liquid supply line L3, and to supply the dialysate of a predetermined concentration to each dialysis device a to perform dialysis treatment. At this time, a part of the undiluted solution for dialysis in the first dissolution tank 2 is transferred to the second dissolution tank 3, and the undiluted solution for dialysis is continuously fed until the overflow line L5 is in an overflow state.
Thereafter, as shown in fig. 9, the valve V5 is opened, the valves V1 to V4 and V6 are closed, and the pump P1 and the pump P2 are driven to supply the dialysis stock solution in the first dissolution tank 2 to the dialysate supply device B through the liquid supply line L3, and to supply dialysate of a predetermined concentration to each dialysis device a, thereby performing dialysis treatment. Thus, the dialysis solution can be continuously performed by the respective dialysis apparatuses a because the dialysis solution supply apparatus B can supply the dialysis solution stock solution additionally dissolved in the first dissolution tank 2.
As described above, the dissolving apparatus 1 of the present embodiment is a dissolving apparatus called a batch type dissolving apparatus in which, when the stock solutions for dialysis in the first dissolving tank 2 and the second dissolving tank 3 are supplied to the plurality of dialysis apparatuses a for treating a patient in a dialysis treatment, additional powder for dialysis can be put in and dissolved every predetermined amount (in the present embodiment, the number of bags in which the powder for dialysis is contained) to form a bag.
In this case, as shown in fig. 5, the dissolving apparatus 1 of the present embodiment includes an input unit 4, a storage device 5, a setting unit 6, a prediction unit 7, and a display unit 8. The input unit 4 includes a switch, a touch panel, and the like that can be input and operated by the user, and in the present embodiment, the total amount of the dialysis powder necessary for the dialysis treatment can be input.
The display unit 8 is constituted by a liquid crystal screen capable of displaying the content related to the dissolving operation, and in the present embodiment, the input unit 4 and the display unit 8 are constituted by a touch panel as well. In this case, the input unit 4 and the display unit 8 may be provided separately, in addition to the touch panel that serves as both the input unit 4 and the display unit 8.
The storage unit 5 can store the time point at which additional powder for dialysis is administered in the past dialysis treatment as the actual administration time point, and in the present embodiment, it is configured to store each actual administration time point on a specific treatment day (specifically, a fixed time per week) corresponding to a treatment schedule of a patient in a medical facility such as a hospital. That is, dialysis treatment is usually performed on a predetermined date (for example, monday, wednesday, and friday), and medical staff also performs work on a predetermined date. As described above, since the dialysis stock solution or the dialysis solution consumed on a specific date (on each specific treatment day corresponding to the treatment schedule of the patient) is substantially the same, the administration time point of the dialysis powder can be accurately predicted by storing the actual administration time point of each week.
The setting module 6 can automatically set the number of times of additional dialysis powder to be additionally input and the amount of dialysis powder to be additionally input at each additional input time point, based on the total amount of dialysis powder input to the input module 4. For example, when a specific date (for example, monday) is selected on the list screen shown in fig. 13 and the total amount of the dialysis powder necessary for the day is input, the display unit 8 can automatically allocate the preparation dissolution amount (the number of bags to be dissolved in advance before the treatment), the number of times the dialysis powder is added (the number of times to be added), and the amount of the dialysis powder that must be put in at each addition time point (the number of bags to be added), and display the amount on the display unit 8 as shown in fig. 14.
The prediction unit 7 can predict the administration time of the additional dialysis powder in the immediately preceding dialysis treatment as a predicted administration time based on the actual administration time (time in the present embodiment) stored in the storage unit 5. Specifically, the latest one of the actual administration time points stored in the storage element 5 (the last one of the previous week if the time of the next dialysis treatment is monday) is set as the predicted administration time point, and the actual administration time points on the following weekly dialysis treatment day are sequentially written and stored, so that the actual administration time points stored in the storage element 5 can be updated on each dialysis treatment day (the stored information is updated).
In the prediction method of the predicted administration time by the prediction unit 7, the method is not limited to the above, and for example, a plurality of actual administration time points in the past dialysis treatment may be stored in the storage device 5, and an average value thereof or the like may be calculated as the predicted administration time, or the predicted administration time may be predicted based on the consumption pattern (consumption trend) on the condition that the consumption pattern of the dialysis raw liquid per week is constant.
In this case, when the storage device 5 does not memorize the actual administration time point, for example, when one session (unit of treatment performed on a day in a specific medical facility) is 5 hours, the preparation operation accounts for 30 minutes, the blood return operation accounts for 30 minutes, and the fluid replacement accounts for 30 minutes, for example, in the case where the device is used for the first time or in a test run, the administration time point of the dialysis powder can be predicted without memorizing the actual administration time point, on the assumption that the start time of the blood treatment and the number of patients (number of beds) in each session are taken into consideration.
In the dissolving step, when the total amount of the powder for dialysis (the number of bags) on the day is temporarily increased, the time point of the administration of the powder for dialysis can be predicted by changing one patient for each bag and creating the consumption tendency of the raw liquid for dialysis by using the consumption rate of the raw liquid for dialysis corresponding to the actual data up to now, and when the total amount of the powder for dialysis (the number of bags) is permanently increased, the time point of the administration of the powder for dialysis can be predicted by changing one patient for each bag and creating the consumption tendency of the raw liquid for dialysis by using the consumption rate of the raw liquid for dialysis corresponding to the actual data up to now.
The display means 8 is capable of displaying the contents of the dissolving operation as described above, and particularly in the present embodiment, as shown in fig. 14, is configured to be capable of displaying the predicted input time point predicted by the prediction means 7. Further, as shown in the drawing, the display means 8 in the present embodiment displays the predicted input time point predicted by the prediction means 7 and the number of additions and the amount of additions set by the setting means 6. In the present embodiment, the predicted input time displayed on the display unit 8 is displayed as "time", but may be displayed in other understandable ways, for example, the time elapsed from the start of dissolution may be displayed as the predicted input time.
The predicting means 7 of the present embodiment corrects the next and subsequent predicted throw-in time points based on the additional throw-in time point presented by the presenting means 10, and displays the corrected predicted throw-in time points on the display means 8. For example, as shown in fig. 17, (S1) calculates a time difference (Δ t) between the actual additional input time point presented by the presentation means 10 and the predicted input time point predicted by the prediction means 7 at this time, and (S2) individually corrects the predicted input time point by shifting the next and subsequent predicted input time points by the time difference (Δ t) and displays the corrected predicted input time point on the display means 8.
In the configuration of the present embodiment, the number of additions or the amount of additions set by the setting means 6 can be arbitrarily changed, and the prediction means 7 corrects the predicted input time point in response to the change and can display the corrected predicted input time point on the display means 8. For example, as shown in fig. 15, when the first addition amount of the dialysis powder is changed from 10 bags to 8 bags, the addition amount of the dialysis powder at the last time (4 th time in the same figure) is corrected and displayed, and the predicted input time points after the 2 nd time and thereafter are adjusted and displayed. Alternatively, as shown in fig. 16, the amount of dialysis powder added per time may be reduced to 8 bags, and the number of times of addition may be increased to 5 times.
When the additional vehicle (number of bags) is changed in this way, the time-based consumption tendency of the dialysis stock solution in the past dialysis treatment is stored in the storage element 5 as shown in fig. 19. Next, as shown in fig. 18, (S1) the amount of the dialysis stock solution obtained by calculating the number of bags after the change is calculated, (S2) the time at which the dialysis stock solution is consumed is predicted from the data (the trend of the dialysis stock solution in consumption over time) stored in the memory device 5, and the predicted throw-in time point after the change in the number of bags is corrected (S3) to display the corrected predicted throw-in time point on the display unit 8.
According to the above embodiment, the storage device 5 for storing the input time point of the additional powder for dialysis in the past dialysis treatment as the actual input time point, the prediction means 7 for predicting the input time point of the additional powder for dialysis in the immediately preceding dialysis treatment as the predicted input time point based on the actual input time point stored in the storage device 5, and the display means 8 for displaying the predicted input time point displayed by the prediction means 7 are included, so that the operator can grasp the input time point of the additional powder for dialysis in advance.
The dialysis apparatus further includes a setting unit 6 capable of inputting the total amount of the dialysis powder necessary for dialysis treatment and setting the number of times the dialysis powder must be additionally introduced and the amount of the dialysis powder to be added at each addition time point based on the input total amount of the dialysis powder, and the display unit 8 is capable of displaying the predicted introduction time point and the number of times and the amount of addition set by the setting unit 6, so that the operator can grasp the number of times of addition and the introduction time point of the additional vehicle and the additional powder in advance.
Next, the number of additions and the amount of additions set by the setting means 6 can be arbitrarily changed, and the prediction means 7 corrects the predicted input time point in accordance with the change and can display the corrected predicted input time point on the display means 8, so that it is possible to automatically correct and display the deviation of the predicted input time point while changing the number of additions or the amount of additions.
Further, since the liquid level detection means 9 capable of continuously detecting the liquid level of the dialysis stock solution contained in the dissolution tanks 2 and 3 in real time and the presentation means 10 capable of presenting the additional input time point of the powder for dialysis based on the liquid level of the dialysis stock solution detected by the liquid level detection means 9 are included, and the prediction means 7 corrects the predicted input time point after the next time based on the additional input time point presented by the presentation means 10 and displays the corrected predicted input time point on the display means 8, when the predicted input time point deviates from the actual additional input time point presented by the presentation means 10, the deviation can be corrected and displayed to more accurately predict the predicted input time point.
Particularly, in the storage unit 5 of the present embodiment, the actual administration time point of each specific treatment day (in the present embodiment, the fixed time per week) of the treatment day of the patient by the medical facility is memorized, and the prediction means 7 can predict the predicted administration time point of each specific treatment day and display it on the display means 8, so that the predicted administration time point can be predicted more accurately in the treatment schedule of the patient determined in advance.
Further, since the predicted input time point displayed by the display unit 8 is the time or the time elapsed from the start of dissolution, the operator can more accurately grasp the input time point of the additional dialysis powder. In this case, in the present embodiment, the predicted input time point can be indicated together with the number of additions and the addition lighting set by the setting means 6, and therefore the addition time point can be visually grasped. The display herein may be shown in a form other than a table, such as a drawing.
The present embodiment has been described above, but the present invention is not limited to this, and for example, as shown in fig. 20, the present invention can be applied to a dissolving apparatus having a housing module M for housing a predetermined amount of powder for dialysis, a feeder F for feeding all the powder for dialysis in the housing module M to a dissolving tank T in a predetermined amount, and a weight meter S for continuously measuring the weight of the powder for dialysis in the housing module M. In this case, additional powder for dialysis may be put into the housing module M, and the actual putting time point may be memorized, and the predicted putting time point may be predicted and displayed on the display module 8.
In addition, in the dissolving apparatus 1 of the present embodiment, the first dissolving tank 2 and the second dissolving tank 3 into which the dialysis powder is put and dissolved are included, but only one dissolving tank may be included or three or more dissolving tanks may be included. The storage unit 5 stores actual administration time points of each week and displays the predicted administration time points on the display unit 8 of each week, but the medical facility may have another schedule if it is necessary to perform a specific treatment day corresponding to the treatment day of the patient.
Industrial applicability of the invention
A storage element which can memorize the time point of the additional powder for dialysis as the actual administration time point if the time point is included in the past dialysis treatment; a prediction unit for predicting an administration time point of the additional powder for dialysis in the dialysis treatment to be performed based on the actual head path time point memorized in the memory element as a predicted administration time point; and a dissolving device of a display component capable of displaying the predicted input time point predicted by the prediction component, and can be applied to devices with different appearance shapes or other additional functions.
Claims (6)
1. A dissolving device comprises a dissolving tank for dissolving powder for dialysis to obtain stock solution for dialysis and accommodating the stock solution for dialysis in a predetermined amount; in dialysis treatment, when a dialysis stock solution in the dissolution tank is supplied to a plurality of dialysis apparatuses for performing dialysis treatment on a patient, an additional dialysis powder is added at predetermined intervals and dissolved, and the dissolution apparatus includes:
a storage element for storing a time point at which additional dialysis powder is administered in a past dialysis treatment as an actual administration time point;
a prediction unit that predicts, as a predicted input time point, an input time point of the dialysis powder to be added to the dialysis treatment to be executed, based on the actual input time point memorized by the memory unit; and
and a display unit that displays the predicted administration time point, which is the administration time point of the dialysis powder added during the dialysis treatment, predicted by the prediction unit.
2. The dissolving apparatus according to claim 1, further comprising a setting unit that inputs a total amount of the dialysis powder necessary for dialysis treatment, and sets the number of times of addition of the dialysis powder to be additionally introduced and the amount of the dialysis powder to be added at each additional introduction time point based on the input total amount of the dialysis powder, and the display unit displays the number of times of addition and the amount of addition set by the setting unit at the predicted introduction time point.
3. The dissolution apparatus according to claim 2, wherein the number of additions and the amount of additions set by the setting means can be arbitrarily changed, and the prediction means corrects the predicted throw-in time in response to the change and displays the corrected predicted throw-in time on the display means.
4. The dissolution apparatus according to claim 2 or 3, comprising a liquid level detection unit which is accommodated in the dissolution tank and is capable of continuously measuring a liquid level of the dialysis stock solution in real time, and a presentation unit which presents a point of time at which the powder for dialysis is additionally introduced based on the liquid level of the dialysis stock solution measured by the liquid level detection unit,
and the prediction component corrects the next and subsequent predicted input time points based on the additional input time points prompted by the prompting component, and displays the corrected predicted input time points by the display component.
5. The dissolution apparatus according to claim 2 or 3, wherein the memory element memorizes the actual administration time point for each particular treatment day in a treatment schedule for a corresponding patient in a medical facility, and the prediction component predicts and displays a predicted administration time point for each particular treatment day on the display component.
6. Dissolving device according to claim 2 or 3, characterised in that the predicted drop-in time displayed by the display means is the time of day or the time elapsed after the start of dissolution.
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| JP2017-054678 | 2017-03-21 | ||
| JP2017054678A JP6831279B2 (en) | 2017-03-21 | 2017-03-21 | Melting device |
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| WO2020262175A1 (en) | 2019-06-26 | 2020-12-30 | 日機装株式会社 | Blood purification system and raw liquid preparation determination device |
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| Publication number | Publication date |
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| CN108619925A (en) | 2018-10-09 |
| JP6831279B2 (en) | 2021-02-17 |
| JP2018153557A (en) | 2018-10-04 |
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