47 results about "Automated peritoneal dialysis" patented technology

The automated solution injection-discharge system is used as an APDS system to supply and discharge a dialysate and a patient's drain. And an automated solution injection-discharge system provides free of contamination and operation mistakes, and can accurately control the injected dialysate volume and the discharged dwell solution volume even when a patient does not maintain a fixed posture while replacing the solution.

A system and method for automatically adjusting a Continuous Cycling Peritoneal Dialysis (“CCPD”) therapy to minimize the potential for excess intra-peritoneal volume. The adjustments are made at the end of the drain, just prior to the next fill. The adjustments short the next fill, if necessary, to limit the intra-peritoneal volume, add a cycle, if necessary, to use all of the available dialysis solution and will average the remaining dwell time to maximize the therapeutic benefit of the therapy in the allotted time. In another embodiment, a tidal therapy using trended patient UF data is provided.

The automated solution injection-discharge system is used as an APDS system to supply and discharge a dialysate and a patient's drain. And an automated solution injection-discharge system provides free of contamination and operation mistakes, and can accurately control the injected dialysate volume and the discharged dwell solution volume even when a patient does not maintain a fixed posture while replacing the solution.

An intelligent automatic peritoneal dialysis device injects a dialysate accommodated in a dialysate container into a live animal via an input duct, elicits a waste liquid from the animal via an output duct, and concentrates the waste liquid in a waste liquid container. A flow direction control valve controls the flow direction of the dialysate and the waste liquid during the overall peritoneal dialysis treatment process.

Electrodes for a bio-impedance measuring device or a body composition monitor, the electrodes being integral with or being attached to a surface of at least one device belonging to a group of electronic and/or non-electronic devices used in the preparation of a dialysis treatment or during dialysis, in particular during peritoneal dialysis, the group preferably consisting of organizers of a continuous ambulatory peritoneal dialysis system (CAPD), automated peritoneal dialysis devices, automated peritoneal dialysis-cyclers (APD-Cycler), bioelectrical impedance analyzers (BIA), body composition monitors (BCM), hand-held electrodes holders for the electrodes, and dialysis apparatuses. Devices and methods used during dialysis are also described.

The invention provides an automatic peritoneal dialysis system and a control method thereof. The automatic peritoneal dialysis system is characterized in that a main machine comprises a liquid exchange box, an injection peristaltic pump, a drainage peristaltic pump and a pressure sensor. The injection peristaltic pump is controlled by a control system. The liquid exchange box is divided into a liquid cavity and a gas cavity by an elastic diaphragm in the middle. The gas cavity is connected with the pressure sensor. The pressure sensor controls injection or drainage speed through the control system. The liquid cavity is connected with a supplement bag, a final bag, a heating bag, a waste liquid barrel and a patient side sequentially through pipelines. Each of the supplement bag, the final bag and the heating bag is provided with a liquid valve. The injection peristaltic pump is mounted between the heating bag and the heating bag liquid valve. The drainage peristaltic pump and a drainage valve are mounted on a drainage pipe. An injection valve is arranged on an injection pipe. Each valve is connected with the control system. The automatic peritoneal dialysis system and the control method thereof have the advantages that the sense of discomfort caused by injection and drainage pressure to patients is relieved, and the defect that liquid leakage is easily caused by pressure detection equipment is avoided; liquid injection and drainage quantities are controlled accurately, and accordingly, risk of liquid entering human bodies due to low injection quantity and pollution caused by adoption of same pipelines are avoided.

The invention relates to a medical facility, in particular to a household automated peritoneal dialysis device. In the raw water treatment device of the facility, the water inlet of a multilayer filtration device is directly connected with a water source, the water outlet of a reverse osmosis device is connected with a peritoneal dialysis fluid mixer; the main body of a peritoneal dialysis fluid preparing device is a sealed metal box body, the metal box body is provided with interfaces which are connected with a plunger pump, a penetrant container, a peritoneal dialysis agent container, the peritoneal dialysis fluid mixer, an ultrafiltration device, a waste liquid container and an abdominal catheter through plunger valves; and the signal input interface of the ARM single chip microcomputer of a peritoneal dialysis automatic control system is connected with a treatment procedure module, a reparative treatment procedure module and a safety monitoring module respectively, and the signal output interface is connected with a power driver which is driven according to the commands of the ARM single chip microcomputer to control the plunger pump, the plunger valves, an electric heater, a solenoid valve and a sound and light alarm device. The invention integrates raw water treatment, peritoneal fluid preparation and automated dialysis so as to reduce medical cost and ensure safety and is suitable to be used in the basic units.

The invention discloses an automatic peritoneal dialysis wireless network system and a data transmission method. By using a micro processor, a universal packet wireless service and an Internet technology, communication establishment and information transmission from a plurality of automatic peritoneal dialysis instruments with general packet radio service (GPRS) functions to a remote data server through a GPRS mobile communication network and the Internet are realized, and information exchange of the plurality of automatic peritoneal dialysis instruments with the GPRS functions with a terminal computer entering the Internet and communication equipment entering the GPRS mobile communication network can be realized. The automatic peritoneal dialysis wireless network system has the outstanding advantages of simplicity in use, timely and complete information, high working efficiency, good social benefits and the like.

The present invention discloses a remotely monitored peritoneal dialysis system and a monitoring method. The system comprises: an automatic peritoneal dialysis device, which is used for automatically and periodically inputting dialysate and discharging waste liquid for a patient; a prescription storage medium, which is used for storing patient information and prescription information; and a server, which is used for receiving and storing information sent by the automatic peritoneal dialysis device and for updating the prescription information; and a display terminal, which is used for displaying a dialysis process and a dialysis result in real time and for sending a control instruction to the server. According to the remotely-monitored peritoneal dialysis system and the monitoring method provided by the present invention, treatment states of multiple patients can be simultaneously monitored and controlled by the display terminal, and all treatment information of each patient can be acquired, thereby bringing great convenience for medical personnel in analyzing the disease condition of each patient and setting a treatment prescription; and for a patient, in a process of home treatment, medical personnel can monitor and control the treatment state of the patient at any time, thereby improving the treatment effect of the patient.

The invention discloses a peritoneal dialysis data management method. The method comprises peritoneal dialysis data acquisition and processing, and data transmission and storage safety, the peritonealdialysis data acquisition comprises mobile phone APP acquisition and uploading, automatic peritoneal dialysis machine uploading, hospital system data acquisition, and acquisition of peritoneal dialysis result data, basic health data, and test and physical examination data, and the data transmission and storage safety is realized by means of AES symmetric encryption between a server and a peritoneal dialysis machine, the server and each client terminal APP use an HTTPS protocol based on the security socket layer, and the unified storage and processing of the data are realized by adopting a technical scheme of a virtual data center. According to the method, the discrete peritoneal dialysis data is classified and stored, and the basic data analysis function is achieved through interaction between the data, the diagnosis and treatment time of the medical staff is shortened, and the management level of the peritoneal dialysis center is improved.

An automatic peritoneal dialysis machine comprises a dialyzate bag, a heater, a waste liquid bag, a safety detector, a first valve, a second valve and a third valve. Dialyzate in the dialyzate bag is heated to the set temperature through the heater, the first valve and the second valve are opened, the third valve is closed, the heated dialyzate flows into an abdominal cavity of a patient, when the pouring amount of the dialyzate reaches the preset value, the first valve is closed, the dialyzate stays in the abdominal cavity of the patient to conduct dialysis and diffusion, when the time that the dialyzate stays in the abdominal cavity of the patient reaches the preset time, the first valve and the third valve are opened, the dialyzate exchanged in the abdominal cavity is led out of the waste liquid bag, and after the amount of the led-out dialyzate is consistent with the amount of the poured dialyzate, the first valve and the third valve are closed. The safety detector leads out the dialyzate exchanged in the abdominal cavity and conducts blood leakage detection on the dialyzate exchanged in the abdominal cavity. The machine effectively ensures the safety state of the patient in the dialysis process, and improves the dialysis efficiency.

An apparatus peritoneal dialysis (1) comprising an automated peritoneal dialysis cycler (3) programmed to run a treatment session including a plurality of cycles, each cycle including a fill phase, a dwell phase and a drain phase of a peritoneal cavity of a patient (P), the treatment session lasting at most 720 min; the cycler (3) has a patient line (54) in communication with the patient (P), a source (S) of treatment fluid which includes an osmotic agent, a pump (5) to circulate the treatment fluid and a control system (74) configured to drive the cycler (3) to deliver the treatment session. The control system (74) is programmed to run a fill phase of a first cycle delivering a first treatment fluid to the patient, the first treatment fluid having a first concentration of the osmotic agent; subsequently to the first cycle, to run a fill phase of a second cycle delivering a second treatment fluid to the patient, the second treatment fluid having a second concentration of the osmotic agent different from the concentration of the first treatment fluid; subsequently to the second cycle, to run a fill phase of a third cycle delivering a third treatment fluid to the patient, the third treatment fluid having a third concentration of the osmotic agent different from the concentration of the second treatment fluid. The second concentration of the osmotic agent is lower than the first concentration of the osmotic agent and the third concentration of osmotic agent is higher than the second concentration of osmotic agent.

The invention provides an automatic peritoneal dialysis device. A newly used dialysis box can be smoothly mounted on a correct set position inside a dialysis box mounting portion during dialysis by users such as a patient using the automatic peritoneal dialysis device, so that the inserting performance of the dialysis box can be improved. The automatic peritoneal dialysis device comprises the dialysis box (100) and the dialysis box mounting portion (20) for detachably mounting the dialysis box along an inserting direction (SS), the dialysis box mounting portion (20) comprises a first stop pin (31) of an inclined plane portion (41B) and a second stop pin (32) of an inclined groove portion (48), the inclined plane portion (41B) is used for contacting with the inner side (99D) of the first end side of the dialysis box to guide the dialysis box into dialysis box mounting portion (20) along the inserting direction (SS) when the dialysis box (100) is mounted on the dialysis box mounting portion (20), and the inclined groove portion (48) is used for guiding the second end (99F) of the dialysis box (100) into the dialysis box mounting portion (20) along the inserting direction (SS) in an embedded state when the dialysis box (100) is mounted on the dialysis box mounting portion (20).

A medical infusion fluid handling system, such as an automated peritoneal dialysis system, may be arranged to de-cap and connect one or more lines (such as solution lines) with one or more spikes or other connection ports on a fluid handling cassette. This feature may reduce a likelihood of contamination since no human interaction is required to de-cap and connect the one or more lines and the one or more spikes. For example, the automated peritoneal dialysis system may include a carriage arranged to receive the one or more lines each having a connector end and a cap. The carriage may move along a first direction so as to move the connector ends of the one or more lines along the first direction, and a cap stripper may be arranged to engage with the caps on the solution lines on the carriage. The cap stripper may move in a second direction transverse to the first direction, as well as to move with the carriage along the first direction.

The invention discloses an automatic peritoneal dialysis system. The automatic peritoneal dialysis system at least consists of a liquid path controller with a cooperation mode and a heater with a cooperation mode and an independent working mode, wherein the liquid path controller and the heater are provided with connection confirmation. The heater and the liquid path controller are in an online cooperation mode for automatic treatment when being connected with each other, the internal space of a box body of the heater at least can contain the liquid path controller, the liquid path controller can be placed into the internal space of the heater to be carried in an integrated storage mode when not being used for treatment, and when the liquid path controller is used for treatment, the liquid path controller and the heater are separately and electrically connected to cooperate and participate in automatic treatment. According to the automatic peritoneal dialysis system, the household automatic peritoneal dialysis treatment process can be more safely, trustingly, more simply, more easily and more economically developed by the aid of the automatic peritoneal dialysis system.

The invention discloses a fixing device for an automatic peritoneal dialysis device pipeline. The fixing device comprises a door plate, a sliding block cover plate, a sliding block, a bent metal pillar, a tension spring, a sliding rod, a front pressure plate, a front cover plate, a pneumatic excitation element, support pillars, a rear pressure plate, a support and a pipeline, the sliding rod is placed in the sliding rod groove of the front pressure plate, and the sliding block is placed in the sliding block groove of the front pressure plate and is engaged with the sliding rod; the sliding block is connected with the front pressure plate through the tension spring; one end of the bent metal pillar is inserted into the front pressure plate, the other end is placed on the sliding block, andthe bent metal pillar moves in a guide rail designed inside the sliding block; and the bent metal pillar and the tension spring are located at both ends of the sliding block. The fixing device has theadvantages of miniaturization, lightweight, intelligentilization, convenience in installation and use, and solving of the problem of high-probability air leakage caused by pipeline clamping realizedthrough opening and closing of the door plate at present.

The invention discloses an adaptive heating device for an automatic peritoneal dialysis machine and a control method. The control method comprises: setting the preset temperature of a dialysate; comparing the dialysate temperature detected by a temperature sensor with the preset temperature to generate a temperature difference E, wherein the temperature difference E varies with time and has a change rate EC; causing a controller to convert to a corresponding PWM Control parameter by a control algorithm according to the temperature difference E at each moment and the temperature difference change rate EC at the moment; controlling a relay to adjust the power duty ratio of a heating device in real time according to the PWM control parameter at this moment so as to control the heating power of the heating device at this moment, and further to control the temperature and the heating rate of the dialysate. The method automatically adjusts the heating power of the heating device according tothe real-time temperature state of the dialysate, achieves high heating efficiency and high temperature control precision. The power of the heating device is subjected to variable frequency control,and is not required to be powered on and off repeatedly during operation, thereby achieving low power loss.

A peritoneal dialysis system includes a circulator having a housing, a pump housed by the housing, a fill valve housed by the housing, a drain valve housed by the housing, and a disposable kit; the pump includes an actuator and first and second valves located on both sides of the actuator; the disposable kit includes a patient line configured to be positioned and arranged to operate with the pumpactuator and the first and second valves, a fill line configured to be positioned and arranged to operate with the fill valve, and a discharge line configured to be positioned and arranged to operatewith the discharge valve.

An automated peritoneal dialysis (APD) system using gravity to deliver fluid from one or more source dialysate bags to the patient as the destination, and using gravity to deliver fluid from the source patient to the destination drain container or drain receptacle, and heats at least one dialysate bag placed onto a heated plate, and using a disposable tubing set is used for dialysate delivery to and from the patient, and using one or more solenoid-operated, normally closed, electronically-controlled pinch valves which pinch or release the disposable tubing set's tubing to stop or start fluid flow, respectively.

The invention discloses a peritoneal dialysis treatment effect prediction system based on variational inference and deep learning. The system comprises an information acquisition module, a calculationprocessing module, an auxiliary recommendation module and a self-learning module; the calculation processing module adopts a prediction model based on variational inference and deep learning; the process comprises the steps of obtaining a retrospective experiment data set; performing deriving to obtain a variation lower bound, and converting the maximum likelihood function into the maximum variation lower bound; constructing a corresponding model, and taking maximization of a variation lower bound as an optimization target; selecting an optimal hyper-parameter combination by using hyper-parameter search; and testing a model which adopts optimal hyper-parameter training on the test set. The model can predict the expected treatment effect difference of automatic peritoneal dialysis and manual peritoneal dialysis for an individual under the condition of giving individual characteristics, and decouples hidden variables through a variational inference method, so that the influence of selection bias errors on prediction is reduced, and more accurate prediction performance is obtained. And a decision maker can be better assisted in selecting a treatment mode.

The invention discloses a method for connecting and controlling a pipeline between a peritoneal dialysis machine and a patient. The pipeline comprises a dialysate bag and a waste liquid bag of an automatic peritoneal dialysis machine, the automatic peritoneal dialysis machine communicates with the dialysate bag through a perfusion tube, the automatic peritoneal dialysis machine communicates with an abdomen inlet tube through a perfusion pipeline of the peritoneal dialysis machine, a heating bag is arranged at one section of the perfusion pipeline of the peritoneal dialysis machine, the outletend of the abdomen inlet tube communicates with the abdominal cavity of the patient, and the inlet end of the abdomen inlet tube communicates with the waste liquid bag through a drainage pipeline of the peritoneal dialysis machine and a drainage pipe. The invention relates to the technical field of peritoneal dialysis pipeline connection. According to the method for connecting and controlling a pipeline between a peritoneal dialysis machine and a patient, the problems that dialysate perfusion and drainage of an existing automatic peritoneal dialysis machine share one pipeline, so that residualwaste dialysate in the pipeline is proneto be injected into the abdominal cavity of a human body again, and the heating speed of the dialysis machine for the dialysate is low are solved.

The invention discloses an automatic peritoneal dialysis monitoring control system and a control method thereof, a control module is adopted to control the flow direction and the flow speed of each dialysate by controlling a peristaltic pump, and meanwhile, the state of the dialysate and the pressure of the abdominal cavity are monitored in real time through a monitoring system. According to the automatic peritoneal dialysis monitoring control system and the control method thereof, dialyzate is driven to flow in a non-contact mode of the peristaltic pump, quantitative, constant-speed and timing control of the dialyzate can be achieved, operation is convenient, robustness is high, meanwhile, only conversion connectors between few dialyzate pipelines need to be replaced in the using process, and the cost is low. The automatic peritoneal dialysis device overcomes the defect that the cost is increased due to the fact that existing automatic peritoneal dialysis equipment in the market must be matched with a disposable sterile pipeline for use, the cost pressure can be reduced, meanwhile, the problem of abdominal cavity compression sensitivity is also considered, the real-time abdominal cavity pressure can be monitored, and the treatment effect is improved.