CN116115847A - Wearable artificial kidney system liquid balance control device - Google Patents
Wearable artificial kidney system liquid balance control device Download PDFInfo
- Publication number
- CN116115847A CN116115847A CN202211434292.0A CN202211434292A CN116115847A CN 116115847 A CN116115847 A CN 116115847A CN 202211434292 A CN202211434292 A CN 202211434292A CN 116115847 A CN116115847 A CN 116115847A
- Authority
- CN
- China
- Prior art keywords
- liquid
- device module
- waste liquid
- artificial kidney
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
- A61M1/282—Operational modes
-
- 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
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
-
- 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
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
- A61M1/287—Dialysates therefor
Landscapes
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Urology & Nephrology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a liquid balance control device of a wearable artificial kidney system, which is used for realizing the overall balance control of circulating liquid in the treatment process and achieving the aim of achieving the optimal treatment effect by using the least dialyzate by adding a waste liquid storage device and a liquid storage device in the wearable artificial kidney system and recycling drainage waste liquid. The device can effectively reduce the dialysate volume in the process of the remote treatment of the wearable artificial kidney, further save the dialysate solution for peritoneal desplaying, lighten the weight of the wearable artificial kidney in the use process and promote the portability of the wearable artificial kidney in the treatment process.
Description
Technical Field
The invention relates to the field of wearable peritoneal dialysis, in particular to a liquid balance control device of a wearable artificial kidney system.
Background
Currently, the means for treating patients with end-stage renal disease are mainly peritoneal dialysis, hemodialysis and kidney transplantation. Peritoneal dialysis is being used by an increasing number of patients, as patients with kidney transplantation are becoming smaller due to shortage of kidney sources, while patients in hemodialysis centers at various levels become saturated. The peritoneal dialysis mainly uses the peritoneal membrane of a human body as a semipermeable membrane to remove excessive moisture, metabolites and toxins in the body, so as to achieve the purposes of purifying blood and replacing kidney functions. Peritoneal dialysis is divided into manual peritoneal dialysis (CAPD) and Automatic Peritoneal Dialysis (APD), wherein the manual peritoneal dialysis is manually performed by a patient, 3-4 times per day, each time for about 1 hour, manual operation is required by the patient in the treatment process, the life and work of the patient are greatly affected, and pollution is easily caused to cause the patient to be infected; the automatic peritoneal dialysis adopts an automatic peritoneal dialysis machine to realize dialysis operation, and a matched disposable sterile pipeline system (namely a disposable pipe set) is needed for treatment, so that the automatic peritoneal dialysis can be carried out during sleeping of a patient at night, and the life quality of the patient is greatly improved.
Although the automatic peritoneal dialysis treatment mode has the advantages of home treatment, hospital management, improvement of social regression rate of patients, medical resource saving and the like, the treatment mode of the patients is fixed, and a disposable pipeline and a large amount of dialysate are needed in the treatment process, so that the freedom of the patients is limited, and the daily demands of patient business trip, travel and the like cannot be met. The wearable artificial kidney combines the equipment with the person, is not limited by time and place, is simple and portable in treatment, can realize real-time regulation of the prescription, better ensures the treatment effect, greatly improves the physiological and psychological states of patients, and is the development direction of kidney substitution equipment. At present, the focus of the wearable artificial kidney is on the aspects of clear toxin, renewable dialysate, a circulating system of the dialysate and the like, and the reduction of the circulating liquid capacity in the treatment process is not related. The dialysate volume in the primary treatment process is reduced, so that the dialysate and the components thereof can be saved, the weight of the wearable artificial kidney in the use process can be reduced, and the portability of the wearable artificial kidney in the treatment process is improved.
Disclosure of Invention
The invention aims to provide a wearable artificial kidney system liquid balance control device.
The technical solution for realizing the purpose of the invention is as follows: a liquid balance control device of a wearable artificial kidney system comprises a waste liquid storage device module, a toxin removing device module and a dialysate preparation device module;
the waste liquid storage device module is used for storing the dialysis waste liquid and pumping the waste liquid to the toxin removing device module or discharging the waste liquid according to the requirement of the control system;
the liquid storage device module is used for storing the supplementary liquid/pure water and supplementing the supplementary liquid/pure water in the dialysate preparation device module according to the requirements;
the toxin removing device module is used for removing toxins in the drained dialysis waste liquid to form reusable circulating liquid;
and the dialysate preparation device module is used for preparing the circulating liquid into standard dialysate set by a treatment prescription.
Further, the device also comprises a flow monitoring device arranged among the modules of the device and used for monitoring the flow of the liquid in the whole circulation period, including perfusion, drainage, toxin removal, supplementation and solution storage.
Further, the device also comprises a pump arranged among the modules of the device, and the pump is used for forming a fluid loop so as to enable the system to circularly operate.
Further, the peritoneal dialysis solution in the dialysis solution preparation device module is pumped into the abdominal cavity of the patient, after exchange is completed in the abdominal cavity, the dialysis waste solution in the abdominal cavity of the patient is pumped into the waste solution storage device module according to a set/calculated value, the waste solution in the waste solution storage device module is pumped into the toxin removal device module according to a set/calculated value to complete toxin removal of the dialysis waste solution, and the removed supplementary solution is pumped into the dialysis solution preparation device module or the liquid storage device module according to calculation to complete circulation of the single system.
Further, the waste liquid storage device module is used for storing the dialysis waste liquid and determining the waste liquid amount pumped to the toxin removing device module or the waste liquid amount required to be discharged to the outside according to the actual amount of the dialysis waste liquid.
Further, the liquid storage module is used for storing the replenishing liquid/pure water, and the pumping quantity of the liquid storage module to the dialysate preparation device module or the pumping quantity of the liquid after toxin removal to the liquid storage module is determined according to the liquid quantity after toxin removal and the filling quantity required in the next period, so that the liquid balance is achieved.
Compared with the prior art, the invention has the remarkable advantages that: the device can effectively reduce the dialysate volume in the process of the remote treatment of the wearable artificial kidney, further save the peritoneal solution, lighten the weight of the wearable artificial kidney in the use process and promote the portability of the wearable artificial kidney in the treatment process.
Drawings
FIG. 1 is a schematic diagram of a system according to the present invention.
FIG. 2 is a flow chart of the control of the system fluid balance control device.
Detailed Description
The invention is further described below with reference to the drawings.
With reference to fig. 1, the wearable artificial kidney system liquid balance control device comprises a waste liquid storage device, a flow monitoring device and a pumping system, wherein dialysis capacity in the treatment process can be stored and supplemented by a liquid balance control method, and the purpose of overall balance control of circulating liquid in the treatment process is achieved by recycling drainage waste liquid.
The waste liquid storage module can store the dialysis waste liquid and pump the waste liquid to the toxin removing module or discharge the waste liquid according to the requirement of the control system.
The liquid storage module can store a certain amount of replenishing liquid and supplement the dialysis liquid according to the requirement
The flow monitoring device monitors the flow of the liquid in the whole circulation period, including filling, extraction, toxin removal, supplementation and solution storage.
The pumping system forms a fluid loop to enable the system to circularly operate.
Referring to fig. 2, the liquid balance control method based on the device of the present invention includes the following steps:
a) At the beginning of treatment, the dialysis solution required by the first period is poured into a dialysis solution preparation device, and a certain amount of pure water is poured into a liquid storage device;
b) Before the first period starts, a plate-type or infrared heater and at least one temperature sensor can be adopted to heat and control the temperature of the dialysate;
c) When the temperature of the dialysate reaches the expected temperature, the dialysate is poured into the abdominal cavity of a patient, and a flow sensor or a weighing sensor is adopted to monitor the quantity of the pouring process in the pouring process, so that excessive pouring is prevented; simultaneously, a bubble sensor is adopted to monitor bubbles in the perfusion process so as to ensure the safety of a patient;
d) After the dialysate is poured into the abdominal cavity, a pumping system is adopted to lead the dialysate to flow out of the patient body after the abdomen is left for a corresponding time according to the prescription expectation, and in the process, a flow sensor or a weighing sensor is adopted to monitor the quantity of the dialysate;
e) After drainage is completed, judging the amount in the waste liquid storage device, and if the waste liquid amount is smaller than or equal to the lower period injection amount, pumping all the waste liquid to a toxin removing module for toxin removal;
f) If the waste liquid amount is larger than the lower period injection amount, judging the liquid in the liquid storage device, and if the liquid amount in the storage device is expected, pumping the lower period injection amount to a toxin removing module for removing the toxin;
g) If the liquid amount in the storage device is smaller than the preset value, pumping the actual amount of the periodically injected amount and the storage device to the toxin removing module for removing the toxin, and if the waste liquid amount is insufficient, pumping all the liquid;
h) If the liquid in the waste liquid storage device exceeds the expected value after the pumping is finished, prompting the patient to discharge the waste liquid;
i) In the two steps, a flow sensor or a weighing sensor is adopted to monitor the amount of the pumped waste liquid;
j) And after toxin removal is completed, judging the amount of liquid after the removal is completed, and if the amount of liquid is larger than the lower period injection amount, pumping the lower period injection amount to a dialysate configuration module, and pumping the residual liquid to a liquid storage device. Wherein the liquid storage device has a sensing device or a weighing device to determine if it is expected;
k) If the liquid amount is smaller than the lower period injection amount, pumping all the liquid to a dialysate preparation module, and supplementing insufficient liquid from a liquid storage device;
l) according to the detection result of the liquid in the dialysate preparation module, preparing the dialysate according to the prescription specification;
and (3) circulating from the completion of the configuration to the step B) until the waste liquid and the liquid in the liquid storage device are emptied after the whole treatment is finished.
The invention is further described below with reference to examples, which are based on a balance control method of a wearable artificial kidney system fluid balance control device, comprising the following specific implementation steps:
a) Setting the injection quantity of a single treatment period to be 1000ml, the abdomen-remaining time to be 2h, the circulation period to be 6, the abdomen-remaining free, the specification of the dialysate to be 1.5% glucose, and the low calcium, and the temperature to be 37 ℃;
b) Pouring 1000ml of dialysis solution into a dialysis solution preparation device, wherein the pouring range of the dialysis solution is 50-3500ml, and pouring 1000ml of pure water into a liquid storage device, wherein the capacity of the liquid storage device is 500-2000ml;
c) The dialysis solution is heated by a plate heater, the temperature of the dialysis solution and the temperature of the plate heater are monitored by two temperature sensors respectively, and the temperature of the dialysis solution is controlled to be stabilized within an error range of 37 ℃;
d) Pumping the dialysate into the abdominal cavity of a patient when the temperature of the dialysate is stabilized within the error range of 37 ℃, monitoring the flow by adopting a flow sensor, stopping when the flow reaches 1000ml, detecting bubbles at the same time, and discharging the detected bubbles;
e) After the abdomen is left for 2 hours, a pumping system is adopted to lead out the dialysis waste liquid from the body of the patient, and a flow sensor is adopted to monitor the quantity of the waste liquid;
f) When judging that the liquid in the abdominal cavity is discharged completely, judging the amount in the waste liquid storage device, and if the waste liquid amount is smaller than or equal to the lower period injection amount, pumping all the waste liquid to a toxin removing module to remove the toxin;
g) If the waste liquid amount is more than 1000ml, judging the liquid in the liquid storage device, and if the liquid amount in the storage device is equal to 1000ml, pumping 1000ml of liquid to a toxin removing module for toxin removing;
h) If the amount of liquid in the storage device is less than 1000ml, 1000+ (1000-amount of liquid in the storage device) ml of liquid is pumped to the toxin removal module for toxin removal. If the waste liquid amount is insufficient, pumping the waste liquid;
i) If the liquid in the waste liquid storage device is more than 500ml after the pumping is finished, prompting the patient to discharge the waste liquid;
j) In the two steps, a flow sensor or a weighing sensor is adopted to monitor the amount of the pumped waste liquid;
k) After toxin removal is completed, the amount of liquid after removal is determined, and if the amount of liquid is greater than 1000ml, 1000ml of liquid is pumped to the dialysate configuration module, and the remaining liquid is pumped to the liquid storage device.
L) if the fluid volume is <1000ml, pumping all of the fluid to the dialysate placement module and replenishing insufficient fluid from the fluid storage device;
m) according to the detection result of the liquid in the dialysate preparation module, preparing the dialysate according to the prescription specification;
and N) circulating from the completion of the configuration to the step B) until the waste liquid and the liquid in the liquid storage device are emptied after the whole treatment is finished.
Claims (6)
1. The utility model provides a wearable artificial kidney system liquid balance control device which characterized in that: the device comprises a waste liquid storage device module, a toxin removing device module and a dialysate preparation device module;
the waste liquid storage device module is used for storing the dialysis waste liquid and pumping the waste liquid to the toxin removing device module or discharging the waste liquid according to the requirement of the control system;
the liquid storage device module is used for storing the supplementary liquid/pure water and supplementing the supplementary liquid/pure water in the dialysate preparation device module according to the requirements;
the toxin removing device module is used for removing toxins in the drained dialysis waste liquid to form reusable circulating liquid;
and the dialysate preparation device module is used for preparing the circulating liquid into standard dialysate set by a treatment prescription.
2. The wearable artificial kidney system fluid balance control device of claim 1, wherein: the device also comprises a flow monitoring device arranged among the modules of the device and used for monitoring the flow of the liquid in the whole circulation period, including perfusion, drainage, toxin removal, supplement and solution storage.
3. The wearable artificial kidney system fluid balance control device of claim 1, wherein: the device also comprises pumps arranged among the modules of the device, and the pumps are used for forming a fluid loop so as to enable the system to circularly operate.
4. The wearable artificial kidney system fluid balance control device of claim 1, wherein: and after exchange is completed in the abdominal cavity, the peritoneal dialysis solution in the dialysis solution preparation device module is pumped to the waste solution storage device module according to a set scheme, waste solution in the waste solution storage device module is pumped to the toxin removal device module according to a set/calculated value to complete toxin removal of the dialysis waste solution, and the removed supplementary solution is pumped to the dialysis solution preparation device module or the liquid storage device module according to calculation to complete circulation of a single system.
5. The wearable artificial kidney system fluid balance control device of claim 1, wherein: the waste liquid storage device module is used for storing the dialysis waste liquid and determining the waste liquid amount pumped to the toxin removing device module or the waste liquid amount required to be discharged to the outside according to the actual amount of the dialysis waste liquid.
6. The wearable artificial kidney system fluid balance control device of claim 1, wherein: the liquid storage module is used for storing the supplementing liquid/pure water, and determining the pumping quantity of the liquid storage module to the dialysate preparation device module or the pumping quantity of the liquid after toxin removal to the liquid storage module according to the liquid quantity after toxin removal and the filling quantity required by the next period, so that the liquid balance is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211434292.0A CN116115847A (en) | 2022-11-16 | 2022-11-16 | Wearable artificial kidney system liquid balance control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211434292.0A CN116115847A (en) | 2022-11-16 | 2022-11-16 | Wearable artificial kidney system liquid balance control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116115847A true CN116115847A (en) | 2023-05-16 |
Family
ID=86303377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211434292.0A Pending CN116115847A (en) | 2022-11-16 | 2022-11-16 | Wearable artificial kidney system liquid balance control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116115847A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117379622A (en) * | 2023-12-13 | 2024-01-12 | 青岛市中医医院(青岛市海慈医院、青岛市康复医学研究所) | Hemodialysis data acquisition and processing method and system based on mobile terminal |
-
2022
- 2022-11-16 CN CN202211434292.0A patent/CN116115847A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117379622A (en) * | 2023-12-13 | 2024-01-12 | 青岛市中医医院(青岛市海慈医院、青岛市康复医学研究所) | Hemodialysis data acquisition and processing method and system based on mobile terminal |
| CN117379622B (en) * | 2023-12-13 | 2024-03-01 | 青岛市中医医院(青岛市海慈医院、青岛市康复医学研究所) | Hemodialysis data acquisition and processing method and system based on mobile terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230001061A1 (en) | Flow regulation device | |
| CN108136098B (en) | Apparatus for performing peritoneal ultrafiltration | |
| CA2804370C (en) | An ambulatory ultrafiltration device, related methods and a computer program product | |
| EP3290069A2 (en) | Adaptive peritoneal dialysis intra-session adjustments for overall session optimization | |
| JP2018099539A (en) | Systems and methods for performing peritoneal dialysis | |
| JP2003533243A (en) | Method and apparatus for monitoring and controlling peritoneal dialysis treatment | |
| JP2005533574A (en) | System and method for peritoneal dialysis | |
| CN116115847A (en) | Wearable artificial kidney system liquid balance control device | |
| Giuliani et al. | Evolution of automated peritoneal dialysis machines | |
| CN101745157A (en) | Online peritoneal dialysis unit and preparation method | |
| CN202122732U (en) | Water-saving type artificial kidney | |
| CN106039446A (en) | Wearable peritoneal analysis portable device | |
| EP3991767A1 (en) | Apparatus for pumping and dialysis | |
| CN203914903U (en) | A kind of abdominal pressure meter | |
| Zhilo et al. | Control of Wearable Artificial Kidney | |
| CN215995053U (en) | Peritoneal dialysis equipment | |
| CN215995051U (en) | Negative pressure drainage mechanism for peritoneal dialysis system | |
| CN204910262U (en) | Full -automatic carbonate peritoneal dialysis device | |
| CN216703071U (en) | Peritoneal dialysis system | |
| CN221692261U (en) | Alarm for peritoneal dialysis pipeline | |
| CN118370890A (en) | Hemodialysis system | |
| CN204618988U (en) | A kind of portable autonomous apparatus for purifying blood | |
| CN113730688A (en) | A miniaturized dialysis set for nephrology dept hemodialysis | |
| CN113975510A (en) | Supplementary testing arrangement of tubulation of continuity kidney replacement therapy | |
| CN115475294A (en) | Peritoneal dialysis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |