Liquid preparation device for hemodialysis concentrate

Abstract

The utility model provides a liquid preparation device for hemodialysis concentrate, which belongs to the technical field of liquid preparation devices and comprises a base and a dissolving tank arranged on the base, a controller, a water storage tank and a standby tank are placed on the base, a water delivery pipe is mounted on the inner wall of the water storage tank, and a valve is mounted on the water delivery pipe. According to the utility model, the arranged on-site preparation device can be used for preparing a concentrated solution with a proper volume according to requirements at a time, so that the prepared solution is prevented from being deteriorated after being stored for a long time, meanwhile, a proper proportion can be flexibly selected through program control of the controller, and individual dialysis is realized by using dialysate with different conductivities for different patients; the dissolving tank and the standby tank are independently arranged, so that liquid preparation and liquid supply can be carried out at the same time, the dialysis efficiency is improved, a baffle assembly is arranged to close a discharging pipe after discharging, and the situation that dry powder in the discharging pipe flows downwards to enter the dissolving tank under the action of gravity after discharging is completed is avoided; therefore, the precision of the follow-up solution proportioning is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a liquid preparation device technical field, specifically, a kind of liquid preparation device of hemodialysis concentrate. BACKGROUND

[0002] Dialysis patients need regular hemodialysis treatment, hemodialysis needs to use a large amount of fresh dialysate preparation, to promote the removal of low molecular weight metabolites and correct the electrolyte and acid-base imbalance of chronic renal failure, the composition of dialysate matches the composition of plasma, mainly electrolyte, buffer, glucose etc., but due to the difference between patients and the increase in the number of elderly patients receiving treatment, leading to individualization of electrolyte and buffer composition, to meet the needs of patients.

[0003] In the prior art, the traditional dialysis concentrate or dialysate preparation system contains a central premixing system and a delivery system, and the concentrate or dialysate produced by mixing in a large tank realizes centralized liquid supply, but centralized liquid supply leads to consistent conductivity of the concentrate, and individualized dialysis cannot be realized according to the physical condition of different patients. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a kind of liquid preparation device of hemodialysis concentrate, to solve the problem that common liquid preparation device cannot realize individualized dialysis.

[0005] The utility model is realized as follows:

[0006] The utility model provides a kind of liquid preparation device of hemodialysis concentrate, including base and the dissolving tank of setting on base, the controller, water storage tank and standby tank are placed on the base, the inner wall of water storage tank is installed with water delivery pipe, the water delivery pipe is installed with valve, the upper end of water storage tank is installed with first pump body, the outer wall of one side of dissolving tank is installed with electric conductivity instrument, the upper end inner wall of standby tank is installed with standby material pipe, the upper end of standby tank is installed with second pump body;

[0007] The dissolving tank is placed above the base, the inner wall of the upper end of dissolving tank and the outer wall of water delivery pipe are fixedly connected, the outer wall of dissolving tank is installed with electric conductivity instrument, the upper end of dissolving tank is installed with storage box, the inner wall of the lower end of storage box is installed with discharging pipe, the upper end of storage box is installed with motor, the inner wall of storage box is installed with main shaft, the outer wall of main shaft is installed with conveying blade.

[0008] Preferably, the first pump body transports the liquid in the water storage tank to the dissolving tank through a water delivery pipe, one end of the outer wall of the material preparation pipe is fixedly connected with the inner wall of the dissolving tank, the second pump body transports the solution in the dissolving tank to the standby tank, and the inner wall of the bottom end of the standby tank is provided with a pipeline connected with the dialysis device.

[0009] Preferably, the inner part of the dissolving tank is provided with a stirring mechanism, and the controller is electrically connected with the first pump body, the valve, the conductivity meter, the second pump body and the stirring mechanism respectively.

[0010] Preferably, the lower end of the material storage box is provided with a support fixedly connected with the dissolving tank, the outer wall of the material delivery pipe is fixedly connected with the inner wall of the dissolving tank, the outer wall of the main shaft is rotatably connected with the inner wall of the material storage box, the output end of the motor is fixedly connected with the upper end of the conveying blade, and the conveying blade is spirally arranged.

[0011] By adopting the technical scheme, when the solution is prepared, the time of single starting of the motor is determined by the controller, the angle of rotation and movement of the conveying blade driven by the main shaft is controlled, the dosage of each time is determined, the on-demand preparation of the solution is realized, the deterioration of the solution after long storage is avoided, and the controller can flexibly select a proper preparation ratio, different dialysis solutions with different conductivities are used for different patients, and individualized dialysis is realized.

[0012] Preferably, the upper inner wall of the dissolving tank is provided with a fixed plate, the lower end of the fixed plate is provided with notches, and the notches are provided with damping shafts.

[0013] Preferably, the inner walls of the two ends of the notches are fixedly connected with torsional springs arranged outside the damping shafts.

[0014] Preferably, the outer wall of the damping shaft between the torsional springs is rotatably connected with an adjusting shaft, the two ends of the adjusting shaft are fixedly connected with one end of the torsional springs respectively, and one end of the adjusting shaft is provided with a baffle abutting against the lower end of the material delivery pipe.

[0015] By adopting the technical scheme, in the process of discharging the dry powder, the dry powder moves downward and pushes open the baffle below under the rotation of the conveying blade, and after the discharging is stopped, the baffle is closed to avoid that the dry powder in the material delivery pipe flows downward into the dissolving tank under the action of gravity after the discharging is completed, so that the accuracy of subsequent solution preparation is ensured.

[0016] The utility model discloses the following beneficial effects:

[0017] The prepared-on-demand device can configure concentrated solution with appropriate capacity according to requirements, avoid deterioration of the solution after storage for a long time, flexibly select appropriate proportioning through program control of the controller, realize individual dialysis for different patients with dialysate with different conductivities, realize simultaneous preparation and supply of the solution through the independently arranged dissolving tank and standby tank, improve dialysis efficiency, and close the blanking plate assembly after discharging to avoid dry powder in the discharging pipe flowing downward into the dissolving tank under the action of gravity after discharging is completed, so as to ensure the accuracy of subsequent solution proportioning. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and other related drawings can also be obtained by those skilled in the art without creative labor on the premise of not paying creative labor.

[0019] Figure 1 is a schematic structural view of a dialysis concentrate preparation device provided by the embodiments of the present application;

[0020] Figure 2 is a semi-sectional view of a dialysis concentrate preparation device provided by the embodiments of the present application;

[0021] Figure 3 is a dialysis concentrate preparation device provided by the embodiments of the present application Figure 2 is an enlarged view of the A area structure in the dialysis concentrate preparation device;

[0022] Figure 4 is a partial structure sectional view of a dialysis concentrate preparation device provided by the embodiments of the present application;

[0023] Figure 5 is a dialysis concentrate preparation device provided by the embodiments of the present application Figure 4 is an enlarged view of the B area structure in the dialysis concentrate preparation device.

[0024] In the figure: 1, base; 2, controller; 3, water storage tank; 31, water conveying pipe; 32, first pump body; 33, valve; 4, dissolving tank; 41, conductivity meter; 5, storage box; 51, discharging pipe; 52, motor; 53, main shaft; 54, conveying blade; 6, standby tank; 61, standby pipe; 62, second pump body; 7, fixing plate; 71, notch; 72, damping shaft; 73, torsional spring; 8, adjusting shaft; 81, blanking plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Embodiment, refer to Figures 1-5 A liquid preparation device for hemodialysis concentrate comprises a base 1, a dissolving tank 4 arranged on the base 1, a controller 2, a water storage tank 3 and a standby tank 6 arranged on the base 1, a water delivery pipe 31 arranged on the inner wall of the water storage tank 3, a valve 33 arranged on the water delivery pipe 31, a first pump body 32 arranged on the upper end of the water storage tank 3, an electric conductivity meter 41 arranged on the outer wall of one side of the dissolving tank 4, a standby material pipe 61 arranged on the inner wall of the upper end of the standby tank 6, and a second pump body 62 arranged on the upper end of the standby tank 6.

[0027] The dissolving tank 4 is arranged above the base 1, the upper end inner wall of the dissolving tank 4 is fixedly connected with the outer wall of the water delivery pipe 31, the electric conductivity meter 41 is arranged on the outer side wall of the dissolving tank 4, the storage box 5 is arranged on the upper end of the dissolving tank 4, the lower end inner wall of the storage box 5 is provided with a discharging pipe 51, the upper end of the storage box 5 is provided with a motor 52, the inner wall of the storage box 5 is provided with a main shaft 53, and the outer wall of the main shaft 53 is provided with a conveying blade 54.

[0028] Further, the first pump body 32 delivers the liquid in the water storage tank 3 to the dissolving tank 4 through the water delivery pipe 31, one end of the outer wall of the standby material pipe 61 is fixedly connected with the inner wall of the dissolving tank 4, the second pump body 62 delivers the solution in the dissolving tank 4 to the standby tank 6, the bottom end inner wall of the standby tank 6 is provided with a pipeline connected with a dialysis device, the dissolving tank 4 is internally provided with a stirring mechanism, the controller 2 is electrically connected with the first pump body 32, the valve 33, the electric conductivity meter 41, the second pump body 62 and the stirring mechanism respectively, the lower end of the storage box 5 is provided with a supporting leg fixedly connected with the dissolving tank 4, the outer wall of the discharging pipe 51 is fixedly connected with the inner wall of the dissolving tank 4, the outer wall of the main shaft 53 is rotatably connected with the inner wall of the storage box 5, the output end of the motor 52 is fixedly connected with the upper end of the conveying blade 54, and the conveying blade 54 is spirally arranged.

[0029] It should be noted that: in the process of dispensing, the controller 2 determines the time of single starting of the motor 52, so as to control the angle of rotation and movement of the conveying blade 54 driven by the main shaft 53, thereby determining the amount of each administration, so that the dry powder can be quickly and accurately fed, the speed of liquid preparation is improved, the first pump body 32 and the valve 33 are opened to pass pure water into the dissolving tank 4 to stir and dissolve with the dry powder, and the conductivity of the solution is monitored in real time through the conductivity instrument 41, the first pump body 32 and the valve 33 are closed to stop the supply of pure water when the set range is reached, and finally the standard concentrated solution is prepared, which is transported to the standby tank 6 through the second pump body 62 for storage, and then transported to the dialysis device through the pipeline, realizing the on-demand preparation of the solution to avoid the deterioration of the prepared solution due to long storage, and the program control of the controller 2 can flexibly select the appropriate proportioning, realize individual dialysis for different patients using dialysate with different conductivities, and the independently set dissolving tank 4 and standby tank 6 can realize simultaneous preparation and supply of liquid, thereby improving the efficiency of dialysis.

[0030] Further, the upper inner wall of the dissolving tank 4 is provided with a fixed plate 7, the lower end of the fixed plate 7 is provided with notches 71, the notches 71 are provided with damping shafts 72, the inner walls at both ends of the notches 71 are fixedly connected with torsional springs 73 sleeved outside the damping shafts 72, the outer walls between the damping shafts 72 are rotatably connected with an adjusting shaft 8, the two ends of the adjusting shaft 8 are fixedly connected with one end side walls of the torsional springs 73 respectively, and one end of the adjusting shaft 8 is provided with a baffle 81 abutting against the lower end of the feeding pipe 51.

[0031] It should be noted that: in the process of discharging the dry powder, the dry powder moves downward under the rotation of the conveying blade 54 and pushes open the baffle 81 below, at this time the adjusting shaft 8 at one end of the baffle 81 compresses the torsional spring 73 to rotate, so that the dry powder is discharged through the gap between the baffle 81 and the feeding pipe 51, after stopping the discharge, the torsional spring 73 is restored to drive the adjusting shaft 8 to rotate, and under the action of the damping shaft 72, the restoring speed of the torsional spring 73 slows down, forcing the baffle 81 to rotate to reduce the closing speed of the feeding pipe 51, ensuring that the dry powder has enough time to discharge, until the baffle 81 is completely closed to avoid the dry powder in the feeding pipe 51 flowing downward into the dissolving tank 4 under the action of gravity after the discharge is completed, thereby ensuring the accuracy of subsequent solution proportioning.

[0032] The working principle of the liquid preparation device for the hemodialysis concentrate is as follows:

[0033] When the liquid is prepared, the time of single starting of the motor 52 is determined by the controller 2, so as to control the angle of rotation of the conveying blade 54 driven by the main shaft 53, and the dry powder is moved downward under the rotation of the conveying blade 54 and pushes open the baffle plate 81 below, at this time, the adjusting shaft 8 at one end of the baffle plate 81 is compressed to rotate the torsion spring 73, so that the dry powder is discharged through the gap between the baffle plate 81 and the discharge pipe 51, after stopping the discharge, the baffle plate 81 is closed, the first pump body 32 and the valve 33 are opened to pass the purified water into the dissolving tank 4 to stir and dissolve with the dry powder, and the conductivity of the solution is monitored in real time by the conductivity meter 41, when the conductivity reaches the set range, the first pump body 32 and the valve 33 are closed to stop the supply of purified water, and finally the standard concentrated solution is prepared, which is delivered to the standby tank 6 by the second pump body 62 for storage, and then delivered to the dialysis device through the pipeline, so as to realize the on-demand preparation of the solution, avoid the deterioration of the solution after storage for a long time, and flexibly select the appropriate proportion through the program control of the controller 2, so as to realize the individual dialysis of the dialysate with different conductivities for different patients.

[0034] It should be noted that the specific model and specifications of the motor need to be selected and determined according to the actual specifications of the device, and the specific selection and calculation method adopts the existing technology in the art, so it will not be described in detail.

[0035] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be changed and modified in various ways. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for preparing a hemodialysis concentrate, comprising a base (1) and a dissolving tank (4) arranged on the base (1), characterized in that, The base (1) is placed with a controller (2), a water storage tank (3) and a standby tank (6), the inner wall of the water storage tank (3) is provided with a water delivery pipe (31), the water delivery pipe (31) is provided with a valve (33), the upper end of the water storage tank (3) is provided with a first pump body (32), one side of the dissolving tank (4) is provided with an electric conductivity meter (41), the upper end of the standby tank (6) is provided with a standby pipe (61), and the upper end of the standby tank (6) is provided with a second pump body (62). The dissolving tank (4) is placed above the base (1), the upper end of the dissolving tank (4) is fixedly connected with the outer wall of the water delivery pipe (31), the outer wall of the dissolving tank (4) is provided with an electric conductivity meter (41), the upper end of the dissolving tank (4) is provided with a storage box (5), the lower end of the storage box (5) is provided with a discharging pipe (51), the upper end of the storage box (5) is provided with a motor (52), the inner wall of the storage box (5) is provided with a main shaft (53), and the outer wall of the main shaft (53) is provided with a conveying blade (54).

2. The device for preparing a hemodialysis concentrate according to claim 1, characterized in that The first pump body (32) delivers the liquid in the water storage tank (3) to the dissolving tank (4) through the water delivery pipe (31), one end of the standby pipe (61) is fixedly connected with the inner wall of the dissolving tank (4), and the second pump body (62) delivers the solution in the dissolving tank (4) to the standby tank (6), and the bottom end of the standby tank (6) is provided with a pipeline connected with a dialysis device.

3. The device for preparing a hemodialysis concentrate according to claim 2, characterized in that The dissolving tank (4) is provided with a stirring mechanism, and the controller (2) is electrically connected with the first pump body (32), the valve (33), the electric conductivity meter (41), the second pump body (62) and the stirring mechanism.

4. The device for preparing a hemodialysis concentrate according to claim 3, characterized in that The lower end of the storage box (5) is provided with a supporting leg fixedly connected with the dissolving tank (4), the outer wall of the discharging pipe (51) is fixedly connected with the inner wall of the dissolving tank (4), the outer wall of the main shaft (53) is rotatably connected with the inner wall of the storage box (5), the output end of the motor (52) is fixedly connected with the upper end of the conveying blade (54), and the conveying blade (54) is spirally arranged.

5. The device for preparing a hemodialysis concentrate according to claim 1, characterized in that The upper end of the dissolving tank (4) is provided with a fixed plate (7), the lower end of the fixed plate (7) is provided with a notch (71), and the notch (71) is provided with a damping shaft (72).

6. The device for preparing a hemodialysis concentrate according to claim 5, characterized in that The inner wall of the notch (71) is fixedly connected with a torsional spring (73) sleeved outside the damping shaft (72).

7. The device for preparing a hemodialysis concentrate according to claim 6, characterized in that The outer wall of the damping shaft (72) between the torsional springs (73) is rotatably connected with an adjusting shaft (8), the two ends of the adjusting shaft (8) are fixedly connected with one end of the torsional spring (73), and one end of the adjusting shaft (8) is provided with a baffle (81) abutting against the lower end of the discharging pipe (51).

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