CN110575580B - Hemodialysis solution supply apparatus - Google Patents
Hemodialysis solution supply apparatus Download PDFInfo
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- CN110575580B CN110575580B CN201910920141.8A CN201910920141A CN110575580B CN 110575580 B CN110575580 B CN 110575580B CN 201910920141 A CN201910920141 A CN 201910920141A CN 110575580 B CN110575580 B CN 110575580B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
-
- 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
- A61M1/1621—Constructional aspects thereof
-
- 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
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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
- A61M1/168—Sterilisation or cleaning before or after use
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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
- A61M1/168—Sterilisation or cleaning before or after use
- A61M1/1688—Sterilisation or cleaning before or after use with recirculation of the sterilising fluid
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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
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
- B01F25/52—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle with a rotary stirrer in the recirculation tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously
- G01N27/10—Investigation or analysis specially adapted for controlling or monitoring operations or for signalling
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
Abstract
The invention provides hemodialysis liquid supply equipment which comprises a liquid preparation tank, a stirring mechanism, a first water inlet pipeline, a first circulating pipeline, a liquid supply tank, a first liquid preparation pipeline and a second circulating pipeline. A first valve is arranged on the first water inlet pipeline; the first end of the first circulating pipeline is communicated with the bottom of the liquid preparation tank, and the second end of the first circulating pipeline is communicated with the top of the liquid preparation tank; the first circulating pipeline is sequentially provided with a first pump body, a first filter element, a water quality detector and a second valve; the first end of the first liquid preparation pipeline is communicated with the first circulating pipeline, the second end of the first liquid preparation pipeline is communicated with the liquid supply tank and is close to the top of the liquid supply tank, and the first liquid preparation pipeline is provided with a third valve; the first end of the second circulating pipeline is communicated with the bottom of the liquid supply tank, and the second end of the second circulating pipeline is communicated with the top of the liquid supply tank; the second circulating pipeline is sequentially provided with a second pump body, a plurality of dialysis machine connectors and a fourth valve. The invention discloses hemodialysis liquid supply equipment, and aims to solve the technical problem that the existing dialysate cannot be prepared and used immediately.
Description
Technical Field
The invention relates to the field of hemodialysis liquid supply, in particular to hemodialysis liquid supply equipment.
Background
Blood purification is called dialysis in daily life, and the hemodialysis is that blood in vivo is drained to the outside of the body and passes through a dialyzer consisting of a plurality of hollow fibers, the blood and electrolyte solution (dialysate) with similar body concentration are arranged inside and outside one hollow fiber, and the substance exchange is carried out by the principles of dispersion, ultrafiltration, adsorption and convection, so as to remove metabolic waste in the body and maintain the balance of electrolyte and acid-base; meanwhile, excessive water in the body is removed, and the purified blood is transfused back in the whole process, so that some pathogenic substances in the blood are removed, and the blood is purified, thereby achieving the purpose of treating diseases; the quality of dialysate in hemodialysis determines the dialysis effect, and the dialysate in hospital at present mainly comprises barreled dialysate prepared by manufacturers and dialysate dry powder dissolved on site; the main current on-site dissolving way of dialysis dry powder is that a hospital calculates according to the number of people needing dialysis every day through a dissolving barrel, manually adds water and then stirs, fills the mixture into a small barrel and lifts the mixture to the front of a dialysis machine for use.
However, this presents several problems: 1. the barreled product is not fresh when arriving at a hospital due to various transports from a manufacturer to the hospital; the transportation cost is high, and the dialysis cost of the hospital is relatively high; 2. dissolution by artificial addition of water mainly occurs: a. the water is added manually, so that the water amount in each time cannot be completely accurate, and the accurate concentration of the dialysate is influenced; b. the liquid is contacted with air in the barreling process after each dissolution, so that the probability of bacterial infection is increased; c. in winter, when the water temperature is low, the dialysate solution is not dissolved thoroughly for a long time; d. the disinfection can not be thorough, only the barrel part can be disinfected, and the aim of complete disinfection can not be achieved; d. the workload of medical staff in hospitals is increased, and the dialysis liquid barrel needs to be replaced again after each shift.
In view of the above, there is a need to provide a hemodialysis liquid supply apparatus that addresses or at least alleviates the above-mentioned drawbacks.
Disclosure of Invention
The invention mainly aims to provide hemodialysis liquid supply equipment, which aims to solve the technical problem that the existing dialysate cannot be prepared and used immediately.
To achieve the above object, the present invention provides a hemodialysis liquid supply apparatus including:
the liquid distribution tank is provided with a feeding hole;
the stirring mechanism is arranged in the liquid preparation tank so as to be capable of stirring the liquid in the liquid preparation tank;
the first water inlet pipeline is communicated with the liquid preparation tank and is close to the top of the liquid preparation tank, and a first valve is arranged on the first water inlet pipeline;
a first end of the first circulating pipeline is communicated with the bottom of the liquid preparation tank, and a second end of the first circulating pipeline is communicated with the top of the liquid preparation tank; a first pump body, a first filter element, a water quality detector and a second valve are sequentially arranged from the first end to the second end of the first circulating pipeline;
a liquid supply tank;
a first end of the first liquid preparation pipeline is communicated with the first circulating pipeline, a second end of the first liquid preparation pipeline is communicated with the liquid supply tank and is close to the top of the liquid supply tank, and a third valve is arranged on the first liquid preparation pipeline;
A first end of the second circulation pipeline is communicated with the bottom of the liquid supply tank, and a second end of the second circulation pipeline is communicated with the top of the liquid supply tank; and a second pump body, a plurality of dialysis machine connectors and a fourth valve are sequentially arranged from the first end to the second end of the second circulating pipeline.
Preferably, the hemodialysis liquid supply equipment further comprises a first water drainage pipeline, one end of the first water drainage pipeline is communicated with the bottom of the liquid preparation tank, and a fifth valve is arranged on the first water drainage pipeline.
Preferably, the hemodialysis liquid supply equipment further comprises a first spraying mechanism arranged in the liquid distribution tank, and a water inlet of the first spraying mechanism is connected with the second end of the first circulating pipeline.
Preferably, the hemodialysis liquid supply equipment further comprises a second liquid distribution pipeline and a second spraying mechanism arranged in the liquid supply tank, a sixth valve is arranged on the second liquid distribution pipeline, the first end of the second liquid distribution pipeline is communicated with the first circulating pipeline, and the second end of the second liquid distribution pipeline is connected with a water inlet of the second spraying mechanism.
Preferably, hemodialysis liquid supply equipment still includes the second drainage pipe, the one end of second drainage pipe with the bottom of feed liquid jar is communicate, be provided with the seventh valve on the second drainage pipe.
Preferably, hemodialysis liquid supply equipment still includes the third drainage pipe, the one end of third drainage pipe with second circulating line intercommunication, be provided with the eighth valve on the third drainage pipe.
Preferably, the stirring mechanism comprises a driving motor, a rotating shaft and a stirring impeller arranged on the rotating shaft, and an output shaft of the driving motor is connected with the rotating shaft.
Preferably, the rotating shaft is in rotating fit with the liquid distribution tank, and the driving motor is mounted on the outer wall surface of the top of the liquid distribution tank.
Preferably, the hemodialysis liquid dispensing apparatus further comprises a liquid level meter located in the liquid dispensing tank and near the bottom of the liquid dispensing tank.
Preferably, the liquid supply tank is provided with a scale indicating line.
In the technical scheme of the invention, the hemodialysis liquid supply equipment comprises a liquid preparation tank, a stirring mechanism, a first water inlet pipeline, a first circulating pipeline, a liquid supply tank, a first liquid preparation pipeline and a second circulating pipeline. The liquid preparation tank is used for preparing dialysate, and the stirring mechanism is arranged in the liquid preparation tank so as to be capable of stirring the liquid in the liquid preparation tank. When the dialysate is prepared, the first valve is opened according to the liquid volume required to be prepared, so that water enters the liquid preparation tank, and dry powder with matched weight is thrown in from the feed inlet. And after the feeding is finished, closing the first valve and the feeding hole, starting the stirring mechanism to stir and dissolve, and stopping the stirring mechanism after the stirring is finished. Open first pump body and second valve, make solution circulate at first circulating line and join in marriage the fluid reservoir, solution can filter through first filter core among the cycle process to carry out water quality testing through water quality testing ware. And after the detection is qualified, closing the second valve and opening the third valve so that the qualified solution flows into a liquid supply tank from the first liquid preparation pipeline, wherein the liquid supply tank is used for storing and supplying the dialysate. Be connected with the second circulating line on the confession fluid reservoir, be provided with the second pump body and a plurality of dialysis machine connector on the second circulating line, outside dialysis machine passes through the dialysis machine connector and is connected with the second circulating line. When the second pump body is opened and the fourth valve is closed, the dialysate can flow out from the dialysis machine connecting port through the second circulating pipeline and is distributed to the dialysis machine in use. The hemodialysis liquid supply equipment provided by the application is used for totally and hermetically preparing dialysate, so that the condition that the dialysate is contacted with air in the preparation process to infect bacteria is avoided. The stirring mechanism is arranged in the liquid preparation tank for mechanical stirring, so that the dissolving speed is increased, and the liquid preparation tank is more sanitary. After the stirring is finished, the circulation detection is carried out, and the solution can be filtered and subjected to water quality detection in the circulation process, so that the quality of the solution is further ensured. Join in marriage the fluid reservoir and be connected with the feed liquor jar, during the dialysate of preparing directly carried to the feed liquor jar, the feed liquor jar can be simultaneously to a plurality of dialysis machine rations, has realized joining in marriage promptly and has used, has ensured the fresh of dialysate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a hemodialysis liquid supply apparatus according to an embodiment of the invention.
The reference numbers illustrate:
| reference numerals | Name(s) | Reference numerals | Name (R) |
| 100 | |
110 | |
| 200 | MixerStructure of the |
310 | First |
| 311 | |
320 | |
| 321 | |
322 | |
| 323 | |
400 | |
| 410 | First |
411 | |
| 420 | |
421 | |
| 455 | |
456 | |
| 422 | |
423 | |
| 510 | |
511 | Fifth valve |
| 555 | |
556 | |
| 520 | |
530 | Second |
| 540 | |
531 | |
| 550 | Second water discharge pipeline | 551 | |
| 560 | |
570 | Third |
| 571 | Eighth valve | 600 | Liquid level meter |
The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that all the directional indicators (such as the upper and lower … …) in the embodiment of the present invention are only used to explain the relative position relationship, movement, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a hemodialysis liquid supply apparatus, comprising:
a liquid preparation tank 100, wherein a feed inlet 110 is formed on the liquid preparation tank 100;
a stirring mechanism 200, the stirring mechanism 200 being provided in the liquid preparation tank 100 so as to be able to stir the liquid in the liquid preparation tank 100;
the first water inlet pipeline 310 is communicated with the liquid preparation tank 100 and is close to the top of the liquid preparation tank 100, and a first valve 311 is arranged on the first water inlet pipeline 310;
a first circulation pipe 320, a first end of the first circulation pipe 320 is communicated with the bottom of the liquid preparation tank 100,
a second end of the first circulation pipe 320 is communicated with the top of the liquid preparation tank 100; a first pump 321, a first filter element 322, a water quality detector and a second valve 323 are sequentially arranged from the first end to the second end of the first circulation pipeline 320;
a feed tank 400;
a first liquid preparation pipeline 410, wherein a first end of the first liquid preparation pipeline 410 is communicated with the first circulating pipeline 320, a second end of the first liquid preparation pipeline 410 is communicated with the liquid supply tank 400 and is close to the top of the liquid supply tank 400, and the first liquid preparation pipeline 410 is provided with a third valve 411;
A second circulation pipe 420, a first end of the second circulation pipe 420 being communicated with the bottom of the feed tank 400, a second end of the second circulation pipe 420 being communicated with the top of the feed tank 400; the second pump 421, the plurality of dialysis machine connection ports 422, and the fourth valve 423 are sequentially disposed from the first end to the second end of the second circulation line 420.
In the above technical solution of the present invention, the hemodialysis liquid supply apparatus includes a liquid preparation tank 100, a stirring mechanism 200, a first water inlet pipe 310, a first circulation pipe 320, a liquid supply tank 400, a first liquid preparation pipe 410, and a second circulation pipe 420. The solution preparation tank 100 is used for preparing dialysate, and the stirring mechanism 200 is provided in the solution preparation tank 100 to stir the liquid in the solution preparation tank 100. When the dialysate is prepared, the first valve 311 is opened according to the liquid volume to be prepared, so that water enters the liquid preparation tank 100, and dry powder with matched weight is fed from the feed port 110. After the feeding is completed, the first valve 311 and the feeding port 110 are closed, the stirring mechanism 200 is started to stir and dissolve, and the stirring mechanism 200 is stopped after the stirring is completed. The first pump 321 and the second valve 323 are opened to circulate the solution in the first circulation pipe 320 and the solution preparation tank 100, and the solution is filtered by the first filter element 322 during circulation and is subjected to water quality detection by the water quality detector. After passing the test, the second valve 323 is closed, and the third valve 411 is opened, so that the solution passing the preparation is flowed from the first solution preparation pipeline 410 to the solution supply tank 400, and the solution supply tank 400 is used for storing and supplying the dialysis solution. The liquid supply tank 400 is connected to a second circulation pipe 420, the second circulation pipe 420 is provided with a second pump 421 and a plurality of dialysis machine connection ports 422, and an external dialysis machine is connected to the second circulation pipe 420 through the dialysis machine connection ports 422. When the second pump 421 is opened and the fourth valve 423 is closed, the dialysate flows out from the dialysis machine connection port 422 through the second circulation pipe 420 and is distributed to the dialysis machine in use. The hemodialysis liquid supply equipment provided by the application is used for totally and hermetically preparing dialysate, so that the condition that the dialysate is contacted with air in the preparation process to infect bacteria is avoided. The stirring mechanism 200 is disposed in the liquid preparation tank 100 for mechanical stirring to accelerate the dissolution, and is more sanitary. After the stirring is finished, the circulation detection is carried out, and the solution can be filtered and subjected to water quality detection in the circulation process, so that the quality of the solution is further ensured. Join in marriage fluid reservoir 100 and be connected with feed solution jar 400, during the dialysate that prepares directly carried to feed solution jar 400, feed solution jar 400 can be simultaneously to the allotment of a plurality of dialysis machines, has realized that the preparation is used promptly, has ensured the fresh of dialysate.
The water quality detector may include a heavy metal detector, a ph detector, and the like. A water quality detector (not shown) is provided near the first filter element 322. Preferably, in this embodiment, the water quality detector is a conductivity detector. Conductivity is a numerical representation of the ability of a solution to conduct current. The conductivity of water has a certain relationship with the amount of inorganic acids, bases, salts contained therein, and when the concentration thereof is low, the conductivity increases with the increase in concentration, and therefore, this index is often used to estimate the total concentration of ions in water or the salt content. Further, a communication point of the first liquid distribution pipe 410 and the first circulation pipe 320 is near the first end of the first circulation pipe 320 with respect to the second valve 323. So that the solution enters the first solution preparation pipe 410 along the first circulation pipe 320 after the second valve 323 is closed.
As a specific embodiment of the invention, the hemodialysis liquid supply apparatus further comprises a first water drainage pipeline 510, one end of the first water drainage pipeline 510 is communicated with the bottom of the liquid preparation tank 100, and a fifth valve 511 is arranged on the first water drainage pipeline 510. The first drain pipe 510 is used for discharging the solution in the solution preparation tank 100, and the water outlet of the first drain pipe 510 faces the waste water tank 560. In addition, the first drain pipe 510 and the first circulation pipe 320 may have a common portion, which is locked by the first locking valve 555.
Further, the hemodialysis liquid supply apparatus further includes a first spraying mechanism 520 disposed in the liquid distribution tank 100, and a water inlet of the first spraying mechanism 520 is connected to the second end of the first circulation pipe 320. When the hemodialysis liquid supply equipment cleans a liquid preparation part, the first valve 311 is opened to feed water, the first valve 311 is closed after a set water inflow is reached, then the first pump 321 and the second valve 323 are opened to enable clear water to circulate in the first circulation pipeline 320 and the liquid preparation tank 100, water in the first circulation pipeline 320 enters the first spraying mechanism 520 and is sprayed into the liquid preparation tank 100 from the first spraying mechanism 520, and therefore the inner wall surface of the whole liquid preparation tank 100 is cleaned. The first spraying mechanism 520 mainly comprises a pipe and a spray header provided on the pipe, and has a simple structure, which is common in the prior art and will not be described in detail herein. After the predetermined time of the cycle, the first pump 321 and the second valve 323 are closed, and the fifth valve 511 is opened to discharge the water, thereby completing the cleaning operation.
As a specific implementation manner of the present invention, the hemodialysis liquid supply apparatus further includes a second liquid distribution pipeline 530 and a second spraying mechanism 540 disposed in the liquid supply tank 400, a sixth valve 531 is disposed on the second liquid distribution pipeline 530, a first end of the second liquid distribution pipeline 530 is communicated with the first circulation pipeline 320, and a second end of the second liquid distribution pipeline 530 is connected to a water inlet of the second spraying mechanism 540. When the hemodialysis liquid supply device cleans a liquid supply part, the first valve 311 is opened to supply water, the first valve 311 is closed after the set water inflow is reached, and then the first pump body 321, the second valve 323 and the sixth valve 531 are opened. A part of the clean water in the liquid supply tank 400 enters the liquid supply tank 400 from the first liquid distribution pipeline 410, and the other part of the clean water is sprayed out from the second spraying mechanism 540 to the inner wall surface of the liquid supply tank 400 through the second liquid distribution pipeline 530 for cleaning. When the water level in the liquid supply tank 400 reaches a set value, the first pump 321, the second valve 323 and the sixth valve 531 are closed, and the second pump 421 and the fourth valve 423 are opened for circular cleaning. In addition, the liquid supply tank 400 may be provided with a separate water inlet pipe (not shown) for injecting washing water.
Further, the hemodialysis liquid supply apparatus further comprises a second water drainage pipeline 550, one end of the second water drainage pipeline 550 is communicated with the bottom of the liquid supply tank 400, and a seventh valve 551 is arranged on the second water drainage pipeline 550. The second drain pipe 550 is used to drain the solution in the feed tank 400, and the outlet of the second drain pipe 550 faces the waste water tank 560. The second water discharge line 550 and the second circulation line 420 may also have a common portion, which is locked by the second locking valve 556.
Further, the hemodialysis liquid supply apparatus further includes a third drainage pipeline 570, one end of the third drainage pipeline 570 is communicated with the second circulation pipeline 420, and an eighth valve 571 is disposed on the third drainage pipeline 570. The second water discharge pipeline 550 is used to facilitate the discharge of the solution in the second circulation pipeline 420. After the liquid supply part is circularly cleaned, the seventh valve 551, the eighth valve 571 and the second pump 421 are simultaneously opened, and the cleaning water in the liquid supply part is fully discharged.
In addition, the hemodialysis liquid supply equipment can also perform disinfection work, when the liquid preparation part needs to be disinfected, the first valve 311 is opened to feed water, and disinfectant liquid is added from the feed port 110 to prepare disinfectant water with a proper proportion. When the set water inflow is reached, the first valve 311 is closed, and the stirring mechanism 200 is opened for stirring. After the stirring is completed, the first pump 321 and the second valve 323 are opened to circulate the disinfectant in the first circulation pipe 320 and the liquid preparation tank 100, and the disinfectant in the first circulation pipe 320 enters the first spraying mechanism 520 and is sprayed into the liquid preparation tank 100 from the first spraying mechanism 520, so that the inner wall surface of the whole liquid preparation tank 100 is disinfected. After the preset time of circulation, standing for a period of time, and then opening the fifth valve 511 to discharge the sterilized water, thereby completing the sterilization work. When the liquid supply part is disinfected, the disinfectant prepared in the liquid preparation tank 100 is firstly disinfected, then the first pump body 321, the second valve 323 and the sixth valve 531 are opened, the disinfectant prepared in the liquid preparation tank 100 enters the liquid supply tank 400, one part of the disinfectant in the liquid supply tank 400 enters the liquid supply tank 400 from the first liquid preparation pipeline 410, and the other part of the disinfectant is sprayed out of the second spraying mechanism 540 to the inner wall surface of the liquid supply tank 400 through the second liquid preparation pipeline 530 for disinfection. When the water level of the disinfectant in the liquid supply tank 400 reaches a set value, the first pump 321, the second valve 323 and the sixth valve 531 are closed, and the second pump 421 and the fourth valve 423 are opened for circular disinfection. After the disinfection is finished, the seventh valve 551, the eighth valve 571 and the second pump 421 can be opened at the same time, and the disinfection solution in the liquid supply part is fully discharged.
Preferably, the stirring mechanism 200 includes a driving motor, a rotating shaft and a stirring impeller disposed on the rotating shaft, and an output shaft of the driving motor is connected to the rotating shaft to drive the rotating shaft to rotate. Wherein, the pivot is with joining in marriage the liquid tank 100 rotation fit, and driving motor installs on joining in marriage the outer wall at liquid tank 100 top, and impeller is located joins in marriage liquid tank 100.
Preferably, the hemodialysis solution dispensing apparatus further comprises a liquid level meter 600, wherein the liquid level meter 600 is located in the solution dispensing tank 100 and is close to the bottom of the solution dispensing tank 100. The level gauge 600 is used to sense the liquid level of the solution, assisting in accurately proportioning the water volume. Be provided with the scale indicating line on the confession fluid reservoir 400 for conveniently observe the inflow.
In the above technical solutions, the above are only preferred embodiments of the present invention, and the technical scope of the present invention is not limited thereby, and all the technical concepts of the present invention include the claims of the present invention, which are directly or indirectly applied to other related technical fields by using the equivalent structural changes made in the content of the description and the drawings of the present invention.
Claims (9)
1. A hemodialysis liquid supply apparatus, comprising:
the liquid preparation tank is provided with a feeding hole;
The stirring mechanism is arranged in the liquid preparation tank so as to be capable of stirring the liquid in the liquid preparation tank;
the first water inlet pipeline is communicated with the liquid preparation tank and is close to the top of the liquid preparation tank, and a first valve is arranged on the first water inlet pipeline;
a first end of the first circulating pipeline is communicated with the bottom of the liquid preparation tank, and a second end of the first circulating pipeline is communicated with the top of the liquid preparation tank; a first pump body, a first filter element, a water quality detector and a second valve are sequentially arranged from the first end to the second end of the first circulating pipeline, and the water quality detector comprises a heavy metal detector and a pH value detector;
a liquid supply tank;
a first end of the first liquid preparation pipeline is communicated with the first circulating pipeline, a second end of the first liquid preparation pipeline is communicated with the liquid supply tank and is close to the top of the liquid supply tank, and a third valve is arranged on the first liquid preparation pipeline;
a first end of the second circulation pipeline is communicated with the bottom of the liquid supply tank, and a second end of the second circulation pipeline is communicated with the top of the liquid supply tank; a second pump body, a sterilization device, a plurality of dialysis machine connectors and a fourth valve are sequentially arranged from the first end to the second end of the second circulating pipeline;
Wherein, the hemodialysis liquid supply equipment prepares the dialysate in a totally closed way;
the liquid supply tank is provided with an independent water inlet pipeline;
the hemodialysis liquid supply equipment further comprises a second liquid distribution pipeline and a second spraying mechanism arranged in the liquid supply tank, a sixth valve is arranged on the second liquid distribution pipeline, the first end of the second liquid distribution pipeline is communicated with the first circulating pipeline, and the second end of the second liquid distribution pipeline is connected with a water inlet of the second spraying mechanism.
2. The hemodialysis liquid supply apparatus of claim 1, further comprising a first drain conduit, one end of the first drain conduit being in communication with the bottom of the liquid preparation tank, the first drain conduit being provided with a fifth valve.
3. The hemodialysis liquid supply apparatus of claim 1, further comprising a first spraying mechanism disposed in the liquid distribution tank, wherein a water inlet of the first spraying mechanism is connected to a second end of the first circulation pipe.
4. The hemodialysis liquid supply apparatus of claim 1, further comprising a second drain pipe, wherein one end of the second drain pipe is communicated with the bottom of the liquid supply tank, and a seventh valve is disposed on the second drain pipe.
5. The hemodialysis liquid supply apparatus of claim 4, further comprising a third water draining pipeline, wherein one end of the third water draining pipeline is communicated with the second circulation pipeline, and an eighth valve is disposed on the third water draining pipeline.
6. The hemodialysis liquid supply apparatus of any one of claims 1 to 5, wherein the stirring mechanism comprises a driving motor, a rotating shaft and a stirring impeller arranged on the rotating shaft, and an output shaft of the driving motor is connected with the rotating shaft.
7. The hemodialysis liquid supply apparatus of claim 6, wherein the shaft is rotatably engaged with the liquid dispensing tank, and the driving motor is mounted on an outer wall surface of a top portion of the liquid dispensing tank.
8. The hemodialysis liquid supply apparatus of any one of claims 1 to 5, further comprising a liquid level meter located within the liquid dispensing tank and proximate to a bottom of the liquid dispensing tank.
9. The hemodialysis liquid supply apparatus of any one of claims 1-5, wherein the liquid supply tank is provided with scale indicating lines.
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| CN201910920141.8A CN110575580B (en) | 2019-09-26 | 2019-09-26 | Hemodialysis solution supply apparatus |
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| CN201910920141.8A CN110575580B (en) | 2019-09-26 | 2019-09-26 | Hemodialysis solution supply apparatus |
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