CN108175885B - Liquid level detection balancing unit for hemodialysis - Google Patents
Liquid level detection balancing unit for hemodialysis Download PDFInfo
- Publication number
- CN108175885B CN108175885B CN201810064996.0A CN201810064996A CN108175885B CN 108175885 B CN108175885 B CN 108175885B CN 201810064996 A CN201810064996 A CN 201810064996A CN 108175885 B CN108175885 B CN 108175885B
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- liquid
- hemodialysis
- conduit
- box
- rubber bag
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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
- A61M1/1601—Control or regulation
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
Abstract
The invention discloses a liquid level detection balancing device for hemodialysis, which comprises a hemodialysis instrument, wherein a liquid inlet at the lower side of one end of the hemodialysis instrument is connected with a liquid outlet of a rubber bag through a conduit, a liquid inlet at the lower end of the rubber bag is connected with a water outlet of an extraction pump through a conduit, a liquid containing box is connected with a water inlet of the extraction pump through a conduit, a supporting partition plate is arranged in the liquid containing box and divides the liquid containing box into a waste liquid containing chamber and a dialysate containing chamber, liquid can be extracted into the rubber bag through the extraction pump, the liquid in the rubber bag enters the hemodialysis instrument, the gas pressure in the detection box can be detected through a pressure sensor, and the liquid level in the hemodialysis instrument is judged according to the gas pressure, so that the detection is more convenient, the liquid level detection balancing device for hemodialysis has a simple structure and is easy and convenient to operate, and a control device is more convenient, and the detection is more convenient, thereby providing convenience for people and being more convenient to use.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a liquid level detection balancing device for hemodialysis.
Background
At present, dialysis equipment in blood purification generally adopts a flowmeter, a pressure control mode or a compound pump mode to control the balance of dialysate and waste liquid, but the prior device adopts the flowmeter to control the balance of the dialysate and the waste liquid, has high requirement on the precision of the flowmeter, is complex to manufacture, and needs to continuously perform self-calibration midway, so the use is very inconvenient, and great inconvenience is caused to doctors.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide a liquid level detection balancing device for hemodialysis, which has the advantages of simple structure and simple and convenient operation, not only enables a control device to be more convenient, but also enables detection to be more convenient, provides convenience for people, is more convenient to use, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a liquid level detection balancing device for hemodialysis comprises a hemodialysis instrument, wherein a liquid inlet at the lower side of one end of the hemodialysis instrument is connected with a liquid outlet of a rubber bag through a conduit, a liquid inlet at the lower end of the rubber bag is connected with a water outlet of an extraction pump through a conduit, a liquid containing box is connected with a water inlet of the extraction pump through a conduit, a supporting partition plate is arranged inside the liquid containing box and divides the liquid containing box into a waste liquid containing chamber and a dialysate containing chamber, the connection conduit of the extraction pump and the liquid containing box penetrates through and extends to the lower end inside the dialysate containing chamber, the upper end of the waste liquid containing chamber of the liquid containing box is connected with a liquid outlet at the lower end of one side of the hemodialysis instrument through a liquid outlet pipe, a third electromagnetic valve is arranged on the liquid outlet pipe, a detection box is arranged on the outer side of the rubber bag, a pressure sensor is arranged on one side inside the detection box, and a PLC controller, the input end of the PLC controller is electrically connected with an external power supply and the output end of the pressure sensor, and the output end of the PLC controller is electrically connected with the suction pump and the input end of the third electromagnetic valve.
According to a preferable technical scheme of the invention, a liquid outlet pipe is arranged on one side of a waste liquid containing chamber of the liquid containing box, a first electromagnetic valve is arranged on the liquid outlet pipe, and the input end of the first electromagnetic valve is electrically connected with the output end of the PLC.
As a preferable technical scheme of the invention, the upper end of a dialysate containing chamber of the liquid containing box is provided with a liquid adding column, and the upper end of the liquid adding column passes through a sealing cover.
As a preferable technical scheme of the invention, a sealing ring is arranged between the conduit connected with the detection box and the rubber bag, and two sides of the sealing ring are respectively connected with the detection box and the conduit through glue.
As a preferable technical scheme of the invention, a second electromagnetic valve is arranged on a conduit connected between the rubber bag and the extraction pump, and the input end of the second electromagnetic valve is electrically connected with the output end of the PLC controller.
Compared with the prior art, the invention has the beneficial effects that: this liquid level detection balancing unit for hemodialysis has set up liquid and has held the case, it can hold dislysate and waste liquid through liquid and hold the case, it is more convenient to make to hold liquid, and can extract liquid in the rubber bag through the extraction pump, liquid enters into in the hemodialysis appearance through the rubber bag, and can detect the gas pressure in the detection case through pressure sensor, and judge the liquid level in the hemodialysis appearance with this, it is more convenient to make the detection, this liquid level detection balancing unit for hemodialysis simple structure, and is simple and convenient to operate, not only make controlling means more convenient, and it is more convenient to detect, provide convenience for people, and it is more convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention.
In the figure: the liquid level meter comprises a liquid delivery pipe 1, a first electromagnetic valve 2, a liquid containing box 3, a PLC (programmable logic controller) 4, an extraction pump 5, a second electromagnetic valve 6, a detection box 7, a hemodialysis instrument 8, a third electromagnetic valve 9, a liquid adding column 10, a liquid outlet pipe 11, a pressure sensor 12, a rubber bag 13 and a supporting partition plate 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a liquid level detection balancing device for hemodialysis comprises a hemodialysis instrument 8, wherein a liquid inlet at the lower side of one end of the hemodialysis instrument 8 is connected with a liquid outlet of a rubber bag 13 through a conduit, a liquid inlet at the lower end of the rubber bag 13 is connected with a water outlet of an extraction pump 5 through a conduit, a water inlet of the extraction pump 5 is connected with a liquid containing box 3 through a conduit, a supporting clapboard 14 is arranged inside the liquid containing box 3, the liquid containing box 3 is divided into a waste liquid containing chamber and a dialysate containing chamber by the supporting clapboard 14, dialysate and waste liquid can be contained through the liquid containing box 3, so that the liquid can be contained more conveniently, a connecting conduit of the extraction pump 5 and the liquid containing box 3 penetrates through and extends to the inner lower end of the dialysate containing chamber, the upper end of the waste liquid containing chamber of the liquid containing box 3 is connected with a liquid outlet at the lower end of one side comprising the hemodialysis instrument 8 through a liquid outlet pipe 11, and the liquid, liquid can be pumped into the rubber bag 13 through the extraction pump 5, the liquid in the rubber bag 13 enters the hemodialysis instrument 8, the gas pressure in the detection box 7 can be detected through the pressure sensor 12, and the liquid level in the hemodialysis instrument 8 is judged according to the gas pressure, so that the detection is more convenient, the detection box 7 is arranged on the outer side of the rubber bag 13, the pressure sensor 12 is arranged on one side inside the detection box 7, the PLC 4 is arranged on one side of the upper end of the liquid containing box 3, the input end of the PLC 4 is electrically connected with an external power supply and the output end of the pressure sensor 12, the output end of the PLC 4 is electrically connected with the extraction pump 5 and the input end of the third electromagnetic valve 9, the liquid outlet pipe 1 is arranged on one side of a waste liquid containing chamber of the liquid containing box 3, the first electromagnetic valve 2 is arranged on the liquid outlet pipe 1, the input end of the first electromagnetic valve 2 is electrically connected with the output end of, the method is characterized in that waste liquid can be led out from the liquid containing box 3 by opening the first electromagnetic valve 2, the upper end of a dialysate containing chamber of the liquid containing box 3 is provided with a liquid adding column 10, the upper end of the liquid adding column 10 passes through a sealing cover, dialysate can be added into the dialysate containing chamber in the liquid containing box 3 by the liquid adding column 10, a sealing ring is arranged between a conduit connected with the rubber bag 13 and the detection box 7, the two sides of the sealing ring are respectively connected with the detection box 7 and the conduit by glue, the rubber bag 13 can be completely sealed into the detection box 7 by the sealing ring, the conduit connected between the rubber bag 13 and the extraction pump 5 is provided with the second electromagnetic valve 6, the input end of the second electromagnetic valve 6 is electrically connected with the output end of the PLC controller 4, the mode that the PLC controller 4 controls the second electromagnetic valve 6, the first electromagnetic valve 2, the extraction pump 5, the third electromagnetic valve 9 and the pressure sensor 12 which are commonly used is the method in the prior art, this liquid level detection balancing unit for hemodialysis simple structure, it is easy and simple to handle, not only make controlling means more convenient, it is more convenient to detect moreover, provides convenience for people, and it is more convenient to use.
When in use: at first hold the room through adding the liquid column 10 to the dislysate of liquid in the case 3 and add the dislysate, and through extraction pump 5 with liquid extraction to rubber bag 13 in, liquid enters into hemodialysis appearance 8 through rubber bag 13 in, detect the gas pressure in detection case 7 through pressure sensor 12, judge the liquid level in hemodialysis appearance 8 with this, pressure sensor 12 sends detected signal to PLC controller 4 in, PLC controller 4 controls extraction pump 5 stop work, then can make the waste liquid enter into the waste liquid that liquid held case 3 and hold indoor through opening third solenoid valve 9, then make the waste liquid follow liquid hold incasement 3 and derive through opening first solenoid valve 2.
The liquid level detection balancing device for hemodialysis has the advantages that dialysate and waste liquid can be contained through the liquid containing box 3, so that the liquid can be contained more conveniently, the liquid can be extracted into the rubber bag 13 through the extraction pump 5, the liquid in the rubber bag 13 enters the hemodialysis instrument 8, the gas pressure in the detection box 7 can be detected through the pressure sensor 12, the liquid level in the hemodialysis instrument 8 is judged accordingly, the detection is more convenient, the structure of the liquid level detection balancing device for hemodialysis is simple, the operation is simple and convenient, not only is the control device more convenient, but also the detection is more convenient, convenience is brought to people, and the use is more convenient.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a liquid level detection balancing unit for hemodialysis, includes hemodialysis appearance (8), its characterized in that: a liquid inlet at the lower side of one end of the hemodialysis instrument (8) is connected with a liquid outlet of the rubber bag (13) through a conduit, a liquid inlet at the lower end of the rubber bag (13) is connected with a water outlet of the extraction pump (5) through a conduit, a liquid containing box (3) is connected with a water inlet of the extraction pump (5) through a conduit, a supporting partition plate (14) is arranged inside the liquid containing box (3), the liquid containing box (3) is divided into a waste liquid containing chamber and a dialysate containing chamber by the supporting partition plate (14), the connection conduit of the extraction pump (5) and the liquid containing box (3) penetrates through and extends to the lower end of the dialysate containing chamber, the upper end of the waste liquid containing chamber of the liquid containing box (3) is connected with a liquid outlet at the lower end of one side including the hemodialysis instrument (8) through a liquid outlet pipe (11), a third electromagnetic valve (9) is arranged on the liquid outlet pipe (11), and a detection box (7) is arranged outside the, the pressure sensor (12) is arranged on one side of the interior of the detection box (7), the PLC controller (4) is arranged on one side of the upper end of the liquid containing box (3), an external power supply and the output end of the pressure sensor (12) are electrically connected to the input end of the PLC controller (4), and the extraction pump (5) and the input end of the third electromagnetic valve (9) are electrically connected to the output end of the PLC controller (4).
2. The liquid level detection balance device for hemodialysis of claim 1, wherein: the liquid holds waste liquid of case (3) and holds room one side and be equipped with liquid eduction tube (1), is equipped with first solenoid valve (2) on liquid eduction tube (1), and the output of PLC controller (4) is connected to the input electricity of first solenoid valve (2).
3. The liquid level detection balance device for hemodialysis of claim 1, wherein: the upper end of a dialysate containing chamber of the liquid containing box (3) is provided with a liquid adding column (10), and the upper end of the liquid adding column (10) passes through a sealing cover.
4. The liquid level detection balance device for hemodialysis of claim 1, wherein: and a sealing ring is arranged between the detection box (7) and the conduit connected with the rubber bag (13), and two sides of the sealing ring are respectively connected with the detection box (7) and the conduit through glue.
5. The liquid level detection balance device for hemodialysis of claim 1, wherein: a second electromagnetic valve (6) is arranged on a conduit connected between the rubber bag (13) and the extraction pump (5), and the input end of the second electromagnetic valve (6) is electrically connected with the output end of the PLC (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064996.0A CN108175885B (en) | 2018-01-23 | 2018-01-23 | Liquid level detection balancing unit for hemodialysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064996.0A CN108175885B (en) | 2018-01-23 | 2018-01-23 | Liquid level detection balancing unit for hemodialysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108175885A CN108175885A (en) | 2018-06-19 |
| CN108175885B true CN108175885B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810064996.0A Active CN108175885B (en) | 2018-01-23 | 2018-01-23 | Liquid level detection balancing unit for hemodialysis |
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| Country | Link |
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| CN (1) | CN108175885B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4997570A (en) * | 1988-11-04 | 1991-03-05 | Fresenius Ag | Method and device for ultrafiltration during hemodialysis |
| CN2687186Y (en) * | 2004-03-08 | 2005-03-23 | 姚福来 | Energy-storage type energy-saving water supply equipment |
| CN101537215A (en) * | 2009-04-14 | 2009-09-23 | 重庆山外山科技有限公司 | Capacity balancer used for blood purification |
| CN102068722A (en) * | 2011-01-14 | 2011-05-25 | 重庆山外山科技有限公司 | Liquid level detection balance device used for hemodialysis |
| CN105758495A (en) * | 2016-03-30 | 2016-07-13 | 连云港大发环保科技有限公司 | Air pressure sensing level gauge and measuring method thereof |
-
2018
- 2018-01-23 CN CN201810064996.0A patent/CN108175885B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4997570A (en) * | 1988-11-04 | 1991-03-05 | Fresenius Ag | Method and device for ultrafiltration during hemodialysis |
| CN2687186Y (en) * | 2004-03-08 | 2005-03-23 | 姚福来 | Energy-storage type energy-saving water supply equipment |
| CN101537215A (en) * | 2009-04-14 | 2009-09-23 | 重庆山外山科技有限公司 | Capacity balancer used for blood purification |
| CN102068722A (en) * | 2011-01-14 | 2011-05-25 | 重庆山外山科技有限公司 | Liquid level detection balance device used for hemodialysis |
| CN105758495A (en) * | 2016-03-30 | 2016-07-13 | 连云港大发环保科技有限公司 | Air pressure sensing level gauge and measuring method thereof |
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| Publication number | Publication date |
|---|---|
| CN108175885A (en) | 2018-06-19 |
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