128 results about "Dialysis device" patented technology

Systems and methods of the present disclosure enable fault risk detection in renal care systems and / or devices, by receiving, from an image sensor, an image of a component of the renal care system / device and using a fault risk detection machine learning model to output a detected fault risk in the component based at least in part on trained machine learning model parameters configured, through training, to classify the detected fault risk as matching to one or more known fault risks. An alert is generated to an operator or technician of the renal care system / device, including an indication of the detected fault risk.

The application discloses a kind of multilayer dialysis device and use method for separating landfill leachate, belong to landfill leachate processing technical field, multilayer dialysis device includes magnetic stirring module and multilayer dialysis module;Magnetic stirring module includes magnetic stirring rotor and the magnetic field control device of driving magnetic stirring rotor rotation;Multilayer dialysis module includes the experimental cylinder being set on stirring table, and multiple different diameters and coaxially arranged dialysis cylinders are arranged in experimental cylinder, and magnetic stirring rotor is arranged at the bottom of the smallest diameter dialysis cylinder;By setting multiple dialysis cylinders with different molecular weight cut-off in multilayer dialysis module, and setting magnetic stirring rotor at the bottom of the smallest diameter dialysis cylinder, not only can simultaneously process the dialysis work of multiple molecular weight organic matter and ionic landfill leachate, but also significantly improve the separation efficiency of multiple molecular weight organic matter and ions with magnetic stirring rotor, compared with single membrane technology, more separation tasks can be completed in shorter time.

The utility model discloses a shell structure of a hemodialysis device detector calibration device, which comprises a shell assembly and a bottom drawing assembly, the shell assembly comprises a shell and a sliding cover, the sliding cover is arranged at the top of the shell, the bottom drawing assembly is arranged at the bottom of the shell, support legs are arranged on the periphery of the bottom of the shell, and the thickness of the bottom drawing assembly is smaller than the length of the support legs; a plurality of air inlet channels are formed in the edge position of the lower portion of the shell, the air inlet channels are arranged in parallel at intervals, three ventilation holes are formed in the back of the shell, and exhaust fans are arranged at the positions, located at the ventilation holes, of the interior of the shell; the bottom pulling assembly is separated from the ground through the supporting feet, it is guaranteed that a bottom plate of the bottom pulling assembly can be pulled smoothly, a placing platform is provided for a hemodialysis device or a detector or a small sensor to be detected, meanwhile, multiple air inlet channels are formed in the front face of the shell, three exhaust fans are arranged on the back face of the shell, the exhaust fans are matched with the ventilation holes, and air channels are formed in the shell. And heat generated by each part in the shell is discharged, so that the calibration device is prevented from being damaged by high temperature.

The utility model discloses an auxiliary device suitable for low-temperature circulation dynamic dialysis, and relates to the technical field of dialysis equipment, the auxiliary device comprises a stirring shaft, a plurality of supporting rod groups are arranged on the stirring shaft, each supporting rod group comprises a plurality of supporting rods, the supporting rods are arranged on the peripheral side face of the stirring shaft in an array mode, and the supporting rods are rotatably connected with the stirring shaft; and the plurality of hollow cages are arranged on the supporting rod in an array manner. According to the auxiliary device suitable for low-temperature circulation dynamic dialysis, the technical problems that according to an existing dialysis device, multiple samples are subjected to partition dialysis at the same time, a large number of samples are likely to be mixed and cannot be distinguished are solved, different dialysis bags are placed in the corresponding hollow cages, the multiple samples can be independently partitioned and subjected to dynamic dialysis at the same time, and the dialysis efficiency is improved. The risk of cross contamination caused by sample mixing and sample liquid leakage is effectively avoided, the movement range of the dialysis bag is limited through the hollowed-out cage, the dialysis bag is prevented from cracking in the dialysis process, and it is ensured that an experiment is conducted smoothly.

The utility model discloses a kind of gel dialysis equipment, including injection water pipeline, compressed air pipeline, liquid preparation tank, elution tank and PLC control cabinet, the utility model is set up gravity sensor and pressure sensor on liquid preparation tank and elution tank, so that gravity sensor monitors the weight in liquid preparation tank and elution tank, pressure sensor monitors the pressure in liquid preparation tank and elution tank, and the data of monitoring is transmitted to PLC control cabinet in real time, PLC control cabinet controls the opening and closing of valve on each pipeline, to realize automatic control entire dialysis process, entire dialysis process operation is convenient, can liberate labor, reduce production cost, reduce pollution rate, improve dialysis efficiency.

The utility model relates to the technical field of water treatment, in particular to a dialysis device for wastewater treatment, which comprises an assembly seat, at least one group of diffusion dialysis units, a liquid distribution plate and a temperature distribution part, the diffusion dialysis units are equidistantly arranged in the assembly seat, the liquid distribution plate is connected with the diffusion dialysis units, and the temperature distribution part is connected with the assembly seat. And the temperature distribution part is arranged on the diffusion dialysis unit. By means of the assembly composed of the assembly base, the diffusion dialysis unit, the liquid preparation plate and the temperature preparation part, treatment of waste water containing waste alkali liquid is achieved, a dialysis mechanism is provided, the diffusion rate of ions in the waste alkali liquid is increased by increasing the temperature in the diffusion dialysis unit and increasing the thermal movement speed of molecules, the ions are helped to pass through an ion exchange membrane more quickly, and the ion exchange efficiency is improved. The diffusion dialysis efficiency is improved.

The invention provides a folding type emergency circulation hemodialysis device, and relates to the technical field of hemodialysis equipment, the folding type emergency circulation hemodialysis device comprises a plurality of fixed universal wheels, and the plurality of fixed universal wheels are fixedly mounted on the lower end surface of a bottom plate of the hemodialysis equipment; the folding hinged vertical plate is hinged to the upper end of the dialysis equipment bottom plate; the number of the fixed connecting supports is two, and the two fixed connecting supports are both fixedly connected to the upper end of the folding hinged vertical plate. The dialysis equipment main body is hinged to the upper end of the folding hinged vertical plate; the number of the supporting and fixing pads is two, the two supporting and fixing pads are both fixedly connected to the rear end face of the dialysis equipment body, the folding mechanism is arranged at the upper end of the dialysis equipment bottom plate, and the problems that in practical application of an existing emergency circulation hemodialysis device, due to the fact that the size of the existing emergency circulation hemodialysis device is large, the existing emergency circulation hemodialysis device is particularly inconvenient to carry and transport, and the size of the existing emergency circulation hemodialysis device is too large are solved. The service efficiency and the response speed of the equipment are seriously influenced, the working efficiency is improved, and the time required by carrying and deploying is shortened.

The utility model provides a plunger balancing device and dialysis equipment, the plunger balancing device comprises a pump body and a plunger, the pump body is provided with a cavity, the plunger is arranged in the cavity, the plunger is in sliding sealing connection with the cavity, and the plunger is used for dividing the cavity into a first cavity and a second cavity; the pump body is provided with a first liquid inlet and a first liquid outlet which are communicated with the first cavity, and a second liquid inlet and a second liquid outlet which are communicated with the second cavity; the four valve bodies are respectively arranged at the first liquid inlet, the first liquid outlet, the second liquid inlet valve and the second liquid outlet; the linear driver is connected with the plunger and used for driving the plunger to move along the cavity. According to the plunger balancing device, the plunger structure is driven to do linear reciprocating motion in a linear driving mode, and compared with a rotary driving scheme, the overall operation precision and stability of the plunger balancing device are improved.

Dialysis device for performing peritoneal dialysis with at least one control unit, with at least one input unit for inputting one or more values, and with at least one processor, wherein the processor is designed to perform a method for estimating the treatment duration of a peritoneal dialysis treatment, wherein the estimation of the treatment duration is based on an ideal treatment duration, wherein the ideal treatment duration is increased by one or more delay values, characterized in that the delay values ​​depend on one or more patient-specific parameters.where a patient-specific parameter is catheter performance and the catheter performance is taken into account when estimating the infusion time and / or when estimating the outflow time and / or when estimating the duration of the last infusion, and the catheter performance, and in particular an absolute or relative increase thereof, is editable by a user.

The utility model discloses a hemodialysis device detector controller which comprises a shell, a battery assembly, a light assembly, a PCB and a plug assembly, the shell comprises a shell body and a cover plate, the battery assembly and the PCB are arranged in the shell body and connected with the shell body, and the plug assembly is connected with the PCB and penetrates through the side face of the shell body; the light assembly is arranged on the battery assembly and connected with the PCB and the battery assembly, a receding hole is formed in the cover plate, and the light assembly carries out light indication at the position of the receding hole; according to the utility model, the battery assembly, the light assembly and the PCB are arranged in the shell body of the shell, the light assembly is arranged on the battery assembly, meanwhile, the receding hole is formed in the cover plate, and the light assembly is matched with the receding hole, so that the type of a current sensor to be tested and calibrated can be visually displayed on the surface of the cover plate through the color of light.

The utility model discloses a hemodialysis device detector calibration device temperature calibration loop structure which comprises a bearing module, a liquid containing unit, a circulation unit, a temperature control unit and a control module, the bearing module comprises a bottom plate, partition plates and a plurality of connecting beams, the connecting beams are arranged on the bottom plate, the partition plates are arranged between the connecting beams, and the partition plates and the bottom plate are arranged at intervals; the circulation unit and the liquid containing unit are arranged on the partition plate, the temperature control unit is arranged below the circulation unit and located on the bottom plate, the liquid containing unit, the circulation unit and the temperature control unit are connected through pipelines, and the control module is connected with the liquid containing unit, the temperature control unit and the circulation unit. Start and stop of each unit are controlled by the control module to carry out temperature regulation and liquid circulation, so that the temperature can be quickly regulated to a plurality of preset detection values and is kept constant, the liquid temperature can be accurately controlled, and the accuracy and the reliability of a detection calibration result of an external sensor or a hemodialysis device to be detected are ensured.

The utility model provides a collagen dialysis frame and a dialysis device, and relates to the technical field of collagen preparation. The collagen dialysis frame is provided with a first surface and a second surface which are oppositely arranged, the collagen dialysis frame is provided with a plurality of mounting cavities penetrating through the first surface and the second surface, the mounting cavities are used for placing dialysis bags containing collagen, and the mounting cavities are communicated with one another; the side face, located between the first surface and the second surface, of the collagen dialysis frame is provided with a liquid flow channel, and the liquid flow channel communicates with the mounting cavity. The dialysis bag containing collagen can be prevented from densely floating on the surface of liquid, so that the dialysis effect is improved.

To provide a stable dialysis using a biological monitoring data and the like by appropriately suppressing a decrease in blood pressure during a dialysis treatment.SOLUTION: A dialyzer includes: an extracorporeal circulation blood passage; a dialysis liquid passage; a dialysis membrane provided to partition a part of the extracorporeal circulation blood passage and the dialysis liquid passage; circulation blood amount change rate measurement means for measuring the circulation blood amount change rate ΔBV of the patient; and water removal means for removing a part of the dialysis liquid flowing in the dialysis liquid passage to outside of the system to remove water in the blood from the extracorporeal circulation blood passage to the dialysis liquid passage. The water removal means is controlled such that the water removal speed at the end of the dialysis process is at a constant speed. The water removal means is controlled such that the water removal speed decreases when an inclination of a graph showing a change over time of the circulation blood amount time change rate ΔBV becomes a predefined first value or less in the period other than the end of the process.SELECTED DRAWING: Figure 2

The application discloses a kind of based on modified ion exchange membrane electro dialysis water treatment method, comprising the following steps: S1: surface functionalization modification is carried out to cation exchange membrane and anion exchange membrane to form modified exchange membrane;S2: construction electro dialysis, the modified cation exchange membrane and modified anion exchange membrane obtained in S1 are alternately arranged to form fresh water chamber and concentrated water chamber;S3: to be handled water body is imported into electro dialysis, direct current electric field is applied to the two poles of electro dialysis device;S4: based on the directional screening and migration mechanism of modified ion exchange membrane under the action of electric field, the target ion in the water body to be handled is enriched and separated.The application has the advantages compared with prior art: provide a kind of based on modified ion exchange membrane electro dialysis water treatment method, improve ion separation efficiency, reduce the risk of membrane pollution, it is convenient to operate and use.

The present invention relates to the field of papermaking black liquor resource utilization, and specifically to a method for recovering alkali and lignin from papermaking black liquor using cationic exchange dialysis. The method comprises the following steps: 1) ammonium ion exchange dialysis: using a cationic exchange dialysis device, the papermaking black liquor is passed through the cationic exchange dialysis device and subjected to cationic exchange dialysis with an aqueous solution containing ammonium ions to obtain desalted ammoniacal papermaking black liquor; 2) ammonia recovery: recovering ammonia from the desalted ammoniacal papermaking black liquor obtained in step 1) to obtain ammonia or ammonia water and desalted and dealkalized papermaking black liquor; 3) lignin separation: separating the precipitated lignin from the desalted and dealkalized papermaking black liquor obtained in step 2) to obtain a lignin precipitate and desalted, dealkalized and delignified papermaking black liquor. The method can simultaneously recover alkali and lignin from the papermaking black liquor and achieve desalination of the papermaking black liquor, with low energy consumption, low membrane fouling, and high alkali and lignin recovery rates.

The utility model belongs to the technical field of bioengineering, and relates to a carboxymethyl chitosan production system, which comprises a raw material pretreatment unit, an alkalization-carboxymethylation reaction unit, a purification unit, a drying unit and a control unit, the alkalization-carboxymethylation reaction unit comprises a reaction kettle and a multi-path feeding system, a feeding port of the reaction kettle is connected with a discharging port of the raw material pretreatment unit through a material pipeline, the purification unit comprises a centrifugal machine, a dialysis device and an ethanol recovery tower, and the control unit comprises a central processing unit, an actuator and a man-machine interaction screen. The whole production process comprises the steps of raw material pretreatment, alkalization-carboxymethylation reaction, purification and drying, all the units are tightly connected, continuous operation can be achieved, the control unit automatically controls all the devices through the central processing unit, manual intervention and operation time are reduced, and the production rhythm and efficiency are improved.

An aspect of the disclosure relates to a dialysate regenerator for connecting to a dialysis apparatus, the dialysate regenerator including a regenerator inlet for receiving dialysate; a regenerator outlet for dispensing regenerated dialysate; a hydraulic circuit connected between the regenerator inlet and the regenerator outlet, and further including a fluid portioning system to divide a dialysate flow into uniform portions for sequential regeneration An aspect of the disclosure relates to a dialysis system including a dialysis apparatus including: a fresh dialysate input; a spent dialysate output; and the dialysate regenerator, wherein the regenerator inlet may be coupled to the spent dialysate output for receiving spent dialysate, and wherein the regenerator outlet may be coupled to the fresh dialysate input for dispensing regenerated dialysate.

The invention discloses a dialysis complication early warning and prompting device based on an artificial intelligence algorithm, relates to the technical field of dialysis treatment, and solves the problems that when a patient is subjected to dialysis treatment, field medical staff usually need to measure the blood pressure of the patient at regular time and inquire the subjective feeling mode of the patient to judge whether the patient has dialysis complication or not, the efficiency is low, and the cost is high. And the problems that specific data is lacked to support a diagnosis result, and misjudgment or erroneous judgment is easy to occur are solved. A dialysis complication early warning and prompting device based on an artificial intelligence algorithm comprises a data acquisition module which is used for acquiring physiological data of a dialysis patient in the dialysis process and data of dialysis equipment in real time. The case data of the patient is analyzed through the artificial intelligence model to calculate the probability and the risk level of the dialysis complication of the patient, so that medical staff can judge whether the dialysis complication occurs or not without being distracted, the medical staff on site can be prompted quickly through sound-light alarm, and the situation that the optimal expectation is missed is avoided.

The invention relates to a dialysis machine comprising a mixing system for preparing a dialysis solution by admixing at least one first and optionally one second component to a liquid supplied to the dialysis machine. The invention also relates to a method. The dialysis apparatus comprises: a first pump for conveying the first component; a controller for controlling the first pump; and a protection system for monitoring the dialysis solution. The protection system comprises a conductivity sensor which measures the conductivity of the dialysis solution. The protection system prompts the controller to interrupt an ongoing treatment if the conductivity measured by the first conductivity sensor deviates from a specified conductivity range, and the controller accesses the conductivity measured by the first conductivity sensor of the protection system, and the first pump is controlled by means of a feedback loop by feeding back the measured conductivity as a control variable.

Sorbent regeneration systems for use in dialysis machines are described. Sorbent regeneration cartridges may include a layer of urease, a layer of acid zirconium phosphate, and a layer of sodium zirconium phosphate. An apparatus for conducting dialysis may include a sorbent cartridge, and a dialyzer in fluid communication with the sorbent cartridge, wherein spent dialysate passes from the dialyzer to and through the sorbent cartridge, and wherein the sorbent cartridge comprises a layer of urease, a layer of acid zirconium phosphate, and a layer of sodium zirconium phosphate. The urease may be immobilized to or associated with a carrier.

The utility model relates to dialysis equipment for cross-linked sodium hyaluronate gel. The dialysis equipment comprises a tank body, and a buffer solution discharge port and a stirring motor are arranged at the lower end of the tank body; the two sides of the tank top cover are connected with hydraulic lifting devices respectively, the hydraulic lifting devices drive the tank top cover to do lifting motion above the tank body, and a buffer solution feeding opening is formed in the tank top cover; the hanging bracket comprises a hanging plate and a hanging rod, the lower end of the hanging rod is connected with the hanging plate, the upper end of the hanging rod is fixedly connected with the tank top cover, a hanging hole is formed in the hanging plate and is a stepped hole, a dialysis filter cartridge is arranged in each hanging hole, a flange edge is formed at the upper end of each dialysis filter cartridge, and the dialysis filter cartridges are hung in the hanging holes through the flange edges; and a cylinder cover is arranged on each dialysis filter cylinder. Compared with a traditional dialysis bag, the dialysis filter cartridge is large in capacity, high in dialysis efficiency, convenient to assemble and disassemble, not prone to floating and damage and capable of being repeatedly used.

The invention relates to the technical field of hemodialysis, and discloses a nephrology department blood auxiliary dialysis device which comprises a protective cylinder, a fixing mechanism is arranged on the rear side of the protective cylinder, the fixing mechanism is used for conveniently fixing patients with different arm girths, and the fixing mechanism comprises a hollow ring; the two hollow rings are fixedly connected to the left side and the right side of the protective cylinder correspondingly, rotating rings are rotationally connected to the adjacent sides of the interiors of the two hollow rings correspondingly, curved grooves are formed in the peripheries of the sides, away from each other, of the two rotating rings correspondingly, and inserting columns are slidably connected to the inner sides of the multiple curved grooves correspondingly; and one end of each inserting column is fixedly connected with a supporting block. A rotating ring can rotate through a push rod, and the rotating ring can push an inserting column to move through a curved groove, so that a supporting block is driven to move, a plurality of supporting plates in a hollow ring move towards the middle at the same time, the arms of a patient are firmly fixed, and through dynamic adjustment of the supporting plates, the device is used by patients with different arm circumferences.

A biomacromolecule desalination dialysis device belongs to the field of biomacromolecule desalination and purification and comprises a dialysate box, a detachable dialysis clamping frame arranged in the dialysate box and a dialysis card inserted into a clamping hole of the clamping frame, the dialysis card is provided with a clamping head, the clamping head is provided with a liquid injection port and an air hole, the lower end of the liquid injection port is connected with a dialysis groove, and the lower end of the clamping head is coated with two filter membranes. A dialysis space isolated from the outside is formed and communicates with the dialysis tank. The device further comprises a cover plate and a pressing strip, the dialysis card frame is provided with a fixing groove, and the dialysis cards can be arranged in multiple rows through the connecting grooves and the connecting cards. The membrane interval is 0-17mm, and gt can be reserved; according to the present invention, the kit has a molecular weight of 2,000 Dalton, a part is made of polypropylene, has a specification of 24 or 48 or 96 holes, is compatible with standard equipment, can rapidly dialyze 1-96 parts of 10-5000 [mu] L samples, and can remove gt in 2-4 h; the method is suitable for desalination application of biological macromolecules such as polypeptide, antibody and nucleic acid, and has the advantages of high efficiency, high flux, simplicity and convenience in operation and the like.

A dialysis apparatus including a dialyzer with an interior sectioned by a blood purification membrane into blood and dialysis flow paths, a blood circuit including vein and artery passages connected to the blood flow path, and a dialysis fluid circuit including a dialysis fluid supply and fluid retrieval passages connected to the dialysis fluid flow path. The apparatus includes a bypass passage allowing communication between the dialysis fluid supply and retrieval passages, a dialysis fluid supply open / close valve provided between a connection position at which the dialysis fluid supply passage is connected to the bypass passage and the dialyzer, a dialysis fluid discharge open / close valve provided between a connection position at which the dialysis fluid retrieval passage is connected to the bypass passage and the dialyzer, a pressurizing device for pressurizing the dialysis fluid circuit, and a depressurizing device for depressurizing the dialysis fluid circuit and a controlling device.

The application discloses a hemodialysis filter and a dialysis device, and relates to the technical field of dialysis devices. The dialyzer body is provided with a blood input end communicated with a blood cavity on the top, a blood leading-out end communicated with the blood cavity on the bottom, a positioning seat one and a positioning seat two on the circumferential surface, a dialysis input port communicated with a dialysis cavity on the circumferential surface of the positioning seat one, a dialysis output port communicated with the dialysis cavity on the circumferential surface of the positioning seat two, a blood defoaming pipe communicated with the bottom of the blood leading-out end, a positioning seat three close to the bottom on the circumferential surface of the blood defoaming pipe, a blood output port communicated with the blood defoaming pipe on the circumferential surface of the positioning seat three, and a vibration defoaming device sleeved on the outer side of the blood defoaming pipe. In the dialysis treatment process, the vibration defoaming can greatly reduce the possibility that the bubbles in the dialysis process are transported into the patient's body together with the dialysis blood.

The invention provides a hemodialyzer which comprises a dialyzer body, a monitoring control unit and a cleaning unit, the dialyzer body is connected with the monitoring control unit and the cleaning unit, the monitoring control unit is electrically connected with the cleaning unit, and the cleaning unit comprises a flushing assembly and a drainage assembly. When the monitoring control unit monitors that the blood flow is abnormal, the controller controls all the cleaning sets to work in sequence, so that it is ensured that only part of the hollow fiber membrane tubes are cleaned at any moment, and most of the hollow fiber membrane tubes can still conduct dialysis normally; therefore, the hollow fiber tube membrane can be cleaned in the dialysis treatment process, and it is guaranteed that treatment is not interrupted.

A dialysis device comprises at least a first membrane and a second membrane, wherein a first chamber formed by the first membrane is configured to receive a first fluid; a second chamber formed by the second membrane is configured to receive a second fluid; a third chamber formed in between a housing, the first membrane and the second membrane is configured to receive a third fluid; the first fluid flowing through the first membrane can be indirectly communicated with the second fluid flowing through the second membrane via the third fluid. A dialysis system, use of the dialysis device, a method for establishing the dialysis system, a method for filling and / or priming the dialysis system and a method for removing air are further disclosed. The dialysis device and the dialysis system are suitable for viscous biological dialysis fluid and no direct flow occurs between the patient and the dialysis fluid.

A peritoneal dialysis system includes a cycler, a disposable set operable with the cycler and including a patient line and a drain line, one of (i) a water purifier for supplying purified water for mixing to form fresh dialysis fluid at the disposable set, (ii) at least one fresh dialysis fluid container provided as part of the disposable set for supplying fresh dialysis fluid, or (iii) a dialysis fluid preparation unit configured to supply fresh dialysis fluid to the disposable set, and at least one flow path insulator provided at the cycler, the water purifier, the dialysis fluid preparation unit, and / or along the drain line. The flow path insulator is configured to separate used dialysis fluid flowing along the drain line into flow segments to limit any current flowing from the patient to a drain.