83 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 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 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 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 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.

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.

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 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 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.

The present invention aims to provide a dialysis apparatus with optimized placement and operability of the monitor unit. Furthermore, the present invention aims to provide a dialysis apparatus that reduces the burden on technicians in attaching blood circuits. [Solution] The dialysis apparatus comprises a housing 1 consisting of an electrical unit and a dialysate unit, a blood circuit connected to the patient through which blood and dialysate flow, an extracorporeal circulation unit 8 located on the front of the housing 1 and connected to the blood circuit, a dialyzer 2 located on the side of the housing, and a monitor unit 3 for operating each function and understanding the treatment status. Furthermore, the monitoring unit 3 is characterized by being positioned on the upper surface of the extracorporeal circulation unit as a deployable lid.

This invention discloses a cerebrospinal fluid external filtration and dialysis device for the purification and treatment of cerebrospinal fluid in diseases such as central nervous system infections and subarachnoid hemorrhage. The device includes a dual-lumen drainage tube, comprising an outflow pipe and an inflow pipe. The outflow pipe is connected to the inlet of the filtration and dialyzer via a suction-side connecting pipe. The suction-side connecting pipe passes through a peristaltic pump and is equipped with a sampling pipe, on which a detachable timed sampler is mounted. The first outlet of the filtration and dialyzer is connected to a storage bag via a suction connecting pipe, and the second outlet is connected to the inflow pipe via a return connecting pipe. Pressure sensors are installed on both the suction-side and return connecting pipes, and a flow meter is installed on the return connecting pipe. These components form a feedback control loop with a control processor to adjust the pump speed and valve opening and closing, achieving safe and controllable flow and pressure. This device can filter / dialyze pathogens and inflammation-related substances in cerebrospinal fluid and return them, while simultaneously performing timed sampling for dynamic monitoring.

The utility model relates to the technical field of diffusion dialysis, in particular to a roll type diffusion dialysis device. According to the roll-type diffusion dialysis device, the plurality of membrane assemblies are mounted on the support frame, and the plurality of membrane assemblies are overlapped and are connected in series or in parallel on the support frame, so that the membrane assemblies are simple to connect and convenient to mount and dismount, and the membrane assemblies can be easily increased or reduced according to actual treatment capacity requirements; meanwhile, a membrane component can be additionally arranged above the device by adopting the mounting mode, so that the occupied area is greatly saved; a water inlet, a liquid inlet and a liquid outlet are formed in the membrane component, the water inlet is communicated with a water storage tank through a pipeline, and the liquid inlet is communicated with a raw material tank through a pipeline; the liquid outlet is communicated with a collecting tank through a pipeline, and the pipeline is connected with the supporting frame, so that the device is reasonable and compact in structure, the performance and the working efficiency of the device are improved, and the requirements of diffusion dialysis functions such as acid recovery and alkali recovery are met.

The utility model provides a dialysis bag clamping and feeding structure and a dialysis device, and relates to the technical field of dialysis equipment. The dialysis bag clamping and feeding structure comprises a feeding cylinder and a clamping piece, the feeding cylinder is provided with a feeding port and a discharging port which are communicated, the feeding cylinder is connected with a sealing cover to be used for sealing the feeding port, and the feeding cylinder can be inserted into a dialysis bag; the clamping piece comprises a first clamping arm and a second clamping arm, one end of the first clamping arm and one end of the second clamping arm are connected and can relatively turn over, and the other end of the first clamping arm and the other end of the second clamping arm can be detachably connected; the first clamping arm and the second clamping arm can clamp and fix the dialysis bag to the outer wall of the feeding cylinder. According to the dialysis bag feeding device, the end opening of a dialysis bag can be firmly clamped, materials can be supplied into the dialysis bag through the clamping and feeding structure, workers can be prevented from directly making contact with the dialysis bag for feeding, and the probability that the materials are polluted is reduced.

The utility model discloses a hollow fiber membrane dialysis device easy to clean, which relates to the technical field of membrane dialysis and comprises a dialyzer main body and a gas-liquid flushing component, a gas-liquid inlet pipe is arranged at the upper end of one side of the dialyzer main body, and a gas-liquid outlet pipe is arranged at the lower end of one side of the dialyzer main body; the gas-liquid flushing assembly comprises a three-way connector, a liquid input pipeline, a gas input pipeline and a waste liquid discharging pipeline, one end of the three-way connector is detachably connected with the gas-liquid inlet pipe, one end of the liquid input pipeline is detachably connected with one end of the three-way connector, and one end of the gas input pipeline is detachably connected with one end of the three-way connector; and one end of the waste liquid discharge pipeline is detachably connected with the gas-liquid outlet pipe. The problems that an existing hollow fiber membrane dialysis device is inconvenient to clean and low in efficiency, cleaning dead angles easily exist, and the reliability of the device is reduced due to repeated disassembly and assembly are solved.

This utility model relates to the field of medical device technology and discloses a dialysis catheter and a dialysis system. The dialysis catheter includes a catheter body. By defining a first lumen and a second lumen on the catheter body, and symmetrically arranging the distal opening trajectory of the first lumen and the distal opening trajectory of the second lumen with respect to the axis of the catheter body, the dialysis catheter can be manufactured by simple cutting. It can use both soft and hard materials, reducing the manufacturing difficulty of the dialysis catheter. Along the axial direction of the catheter body, compared with other positions on the first curve, the distance between the endpoint farthest from the interval and the dialysis device is the shortest, that is, the attraction force is the strongest at this endpoint. On the first curve, along the direction from this endpoint towards the interval, the attraction force gradually decreases until it can no longer attract liquid. This avoids the dialysis liquid that has been dialyzed from mixing with the liquid to be dialyzed in related technologies, which would reduce dialysis efficiency, thereby improving the dialysis efficiency of the dialysis catheter.

The utility model relates to a kind of crosslinked sodium hyaluronate gel dialysis devices, including reaction cylinder, the sliding seat of evenly distributed is fixedly connected in the reaction cylinder inner wall, the first silica gel hose of two groups is fixedly connected in the reaction cylinder inner wall, the one end of the first silica gel hose away from reaction cylinder is fixedly connected with valve.The utility model in the present application, the rotating of the sliding block and spring telescopic rod in the steel frame inner wall is driven by the setting rotating sleeve, the special structure of its sliding block rotation is clamped into the recess when rotating to the recess of clamping seat by guide plate, to realize the position fixing of L-shaped plate, the rotation angle is all flat angle, to facilitate the position of the position of L-shaped plate rotation to the position limiting of steel frame, even after carrying dialysis membrane bag and being hung in reaction cylinder, the problem of the gel quantity of dialysis in prior art is solved, dialysis membrane bag is not inconvenient to put in and take out.

The invention relates to a dialysis device configured to carry out a method for referencing at least one pressure sensor or force sensor (PA, PBE, PV) designed to measure the conduit internal pressure in a conduit (1) filled with a fluid, wherein the at least one pressure sensor or force sensor (PA, PBE, PV) is located in an extracorporeal circuit and integrated into or inserted in a clamping device (3), the method comprising the steps of: referencing the pressure signal or force signal emitted by the at least one pressure sensor or force sensor (PA, PBE, PV) using a force reference signal or pressure reference signal measured by a force reference sensor or pressure reference sensor (PHOP, PDA, PDE) not designed as a clamping device (3); and using at least one dialysis fluid side force reference sensor or pressure reference sensor (PDA, PDE) which is a force reference sensor or pressure reference sensor in a dialysis fluid circuit and which is designed to detect the conduit internal pressure in the dialysis fluid circuit in order to reference the at least one pressure sensor or force sensor (PA, PBE, PV) arranged in the extracorporeal circuit. The invention also relates to a device designed to use at least one dialysis fluid side force reference sensor or pressure reference sensor (PDA; PDE) which is a force reference sensor or pressure reference sensor in the dialysis fluid circuit and which is designed to detect the conduit internal pressure in the dialysis fluid circuit in order to reference the at least one pressure sensor or force sensor (PA, PBE, PV) arranged in the extracorporeal circuit.

The application belongs to the technical field of biomedical engineering industry, and particularly relates to a double-filter type blood purification dialysis device. In the prior art, the overall purification effect is limited. In addition, the arterial and venous blood vessel interfaces are mostly exposed, which is easy to contact with environmental bacteria. This not only increases the work burden of medical staff, but also easily causes bacterial residues due to operation negligence, thereby causing interface pollution. The present application provides the following scheme, which comprises a base, universal wheels are arranged at the bottom of the base, and a rack is fixedly installed on the top of the base. The double-stage purification structure of coarse filtration and fine filtration is adopted to simultaneously remove middle and small molecule toxins. The blood vessel interface is arranged in the mounting groove in the dialysis machine body, and the automatic closing structure of the protective cover is matched. The blood passage is not directly exposed to the external environment, the risk of interface contacting bacteria is eliminated from the structure, manual cleaning and sealing are not needed, and the use safety is further ensured.

A measuring device for a peritoneal dialysis apparatus (10) comprises a connection device (102) which is in contact with a shunt line system (104) of the peritoneal dialysis apparatus (10) and an electrochemical sensor device (110). The measuring device (100) receives spent dialysis fluid through the shunt line system (104) when the dialysis apparatus (10) is connected to a patient (12). The electrochemical sensor device (110) in contact with the spent dialysis fluid outputs an electrical signal in response to the content of urea and glucose of the spent dialysis fluid for data processing and / or data presentation of the electrical signal.

To provide a technique capable of preventing a decrease in the neutralizing effect of carbonated water even when a dialysis machine room for producing carbonated water is located in a place away from a dialysis device. [Solution] The dialysis wastewater neutralization system includes a nanobubble device 4 that generates nanobubble carbonated water by using water and carbon dioxide gas to generate nanobubbles, and a control device 1 that neutralizes the wastewater discharged from the dialysis device 7 by introducing the nanobubble carbonated water into a drainage line L2 that discharges wastewater from the dialysis device 7, or into another drainage line L1 different from the drainage line L2, when cleaning the dialysis device 7.

The invention relates to a medical device (1), preferably a dialysis apparatus for performing hemodialysis and / or hemofiltration and / or hemodiafiltration, comprising a first functional module (CPU1) and a second functional module (CPU2), wherein a chronograph (2) for counting an operating time is provided in the first functional module (CPU1) and the first functional module (CPU1) is configured to store an operating time value determined by the chronograph (2) in a first memory (M1) of the first functional module (CPU1), wherein a second memory (M2) is provided in the second functional module (CPU2), wherein the second functional module (CPU2) is configured to store the operating time value determined by the chronograph (2) of the first functional module (CPU1) in the second memory (M2).

The utility model provides an antibody concentration device, which relates to the technical field of antibody concentration and comprises a main board, a dialysis device is mounted at the top end of the main board, a concentration device main body is mounted on one side of the dialysis device, and a PEG (polyethylene glycol) recovery device is mounted on one side of the concentration device main body. Two connecting pipes are arranged among the dialysis device, the concentration device main body and the PEG recovery device, the dialysis device, the concentration device main body and the PEG recovery device are communicated through the connecting pipes, and mounting plates are arranged on the two sides of the bottom end of the main plate. During installation, the bidirectional screw can be driven to rotate through operation of the motor, so that the two moving blocks move in opposite directions under limiting of the limiting columns, the multiple sets of connecting blocks are driven to move in opposite directions, and at the moment, the device can conduct clamping installation according to actual installation requirements; and traditional bolt installation can still be carried out through the installation plate and the installation holes, and the practicability is higher.

To provide a regenerative cartridge for adsorbents used in dialysis. [Solution] An adsorbent regeneration system for use in a dialysis machine is described. The adsorbent regeneration cartridge may include a layer of urease, a layer of acidic zirconium phosphate, and a layer of sodium zirconium phosphate. The apparatus for performing dialysis may include the adsorbent cartridge and a dialyzer in fluid communication with the adsorbent cartridge, wherein used dialysate moves from the dialyzer to the adsorbent cartridge and passes through it, and the adsorbent cartridge includes a layer of urease, a layer of acidic zirconium phosphate, and a layer of sodium zirconium phosphate. The urease may be immobilized or bound to a carrier.

Wearable portable device for recirculation flow dialysis. The invention relates to a dialysis device providing recirculation flow dialysis in a wearable and portable form. It uses interchangeable purification units containing volumes of dialysate and / or sorbent systems for in situ regeneration of the dialysate. The inventive dialysis device comprises a carrier mounted on a replaceable filter cartridge. The carrier contains electronics, user interface, actuators and sensors. It initiates, controls and monitors the dialysis operation. The filter cartridge is a replaceable piece connected to the patient via flexible tubes. It consists of a reusable housing with a memory chip and contains a disposable insert containing a purification unit with fluid lines, connectors, dialysate and / or sorbent combined with a nanofilter. The filter cartridge is intended for daytime use as a wearable system. The filter cartridge can be extended with an extension assembly to provide a larger capacity. The extended filter cartridge is intended for night use as a bedside device.