61results about How to "Improve dialysis efficiency" patented technology

The present invention relates to a method and a device for the measurement of pressure signals in a blood treatment system, whereby system changes can be identified and can be differentiated additionally reliably between system changes in blood flow direction and in transmembrane direction in order to enable a targeted action.

A dialysis unit includes both an inlet for guiding dialysis fluid in a direction of flow to a dialyser membrane and an outlet for discharging dialysate from the dialyser membrane. A heat pump configured to exchange thermal energy between a heat reservoir and the dialysis fluid in the inlet is coupled to the inlet.

The invention belongs to the fields of membrane surface engineering and bioseparation engineering and aims at providing a method for preparing a low-density lipoprotein affinity adsorption hemodialysis membrane material. The method provided by the invention comprises the following steps: prewashing the hemodialysis membrane material; placing the prewashed hemodialysis membrane material into a plasma processor cavity; introducing inert gas and activated gas until atmosphere ingredients are constant and then carrying out plasma processing; immersing into a heparin solution; adding a coupling agent to carry out an oscillation reaction; carrying out oscillation washing by utilizing a PBS (Phosphate Buffer Solution); and repeatedly washing with clean water and perform filter drying to obtain the low-density lipoprotein affinity adsorption hemodialysis membrane material. In the method provided by the invention, active reaction groups are introduced into by utilizing a constant-pressure and low-temperature plasma activation modification processing method; the reaction is only carried out on the surface of the material, the body performance of the material is not influenced, and simultaneously the method has the characteristics of high efficiency, low cost, low energy consumption, environmental friendliness and the like; the hydrophilia and blood compatibility of the surface of a macromolecule separation membrane material can be greatly improved; and the blockage effect caused by membrane pollution in the hemodialysis course can be effectively reduced.

The invention provides a membrane dialysis sample processing device for detecting melamine in milk and milk products, which mainly comprises a water-bath heating unit and a purification unit, wherein the water-bath heating unit is provided with an electronic temperature sensor and a digital display electronic temperature controller, and has temperature adjustment and automatic temperature control functions; and the purification unit has a two-layer nested structure, the wall of a liner has a window covered by a dialysis membrane, and a cavity between a shell and the liner is used for accommodating received liquid and test solution. The device has a good purification effect; the purified solution can be directly used for an assay by a developing process, liquid phase-mass-spectrography, high performance liquid chromatography and an electrochemical process; the structure is compact; the operation is convenient; the manufacturing is easy; and the manufacturing cost is low. The device can also be used for purification treatment of other detected substances.

The invention provides a novel alkali recovery technology during viscose fiber production, which is characterized by comprising the steps that pretreated waste alkali liquor and de-mineralized water at a flow ratio of (1-2):1 enter a membrane module by a pump, and are conveyed to a diffusion dialysis membrane module device; the outflowed waste alkali liquor passes through an anode chamber of electrodialysis; dilute alkali liquor serves as an electrolyte and passes through a cathode chamber; and densified alkali obtained by the cathode chamber is recovered, wherein a concentration of sodium hydroxide of the pretreated waste alkali liquor is 50-200g/L, and the content of hemicellulose is 20-150g/L. According to the characteristic that high-concentration waste alkali containing the hemicellulose is generated during a viscose fiber production course, by using a diffusion dialysis and electrodialysis combined method, an optimized technological parameter is selected, so that the novel alkali recovery technology has the advantages of high alkali recovery rate, low energy consumption and stability in operation.

The invention provides a fully-automatic solution dialysis experiment device which comprises a shell, a sample injection unit, an operation control system, an operation display interface, a sample solution input shunt controller and conduit line device, a dialysis device, a power supply system, a dialysis retention solution output unit, a dialysate output valve and a sample solution output shunt controller and conduit line device; the sample injection unit, the operation control system and the operation display interface are arranged on the shell; the dialysis device is arranged in the shell; the dialysis retention solution output unit, the dialysate output valve and the power supply system are arranged on the shell; the sample injection unit is connected with an inlet of the dialysis device through the sample solution input shunt controller and conduit line device; an outlet of the dialysis device is connected with the dialysis retention solution output unit through the sample solution output shunt controller and conduit line device. The fully-automatic solution dialysis experiment device provided by the invention is simple and novel in structure, high in degree of automation, high in dialysis efficiency and suitable for the dialysis and purification processes of medium and small scale batch samples.

The invention discloses a hemodialysis resource management and service system and method based on multi-objective optimization. The system comprises an information acquisition and transmission device,a data processing center, a central control host device and a client. The central control host device stores and backs up data, predicts the time when devices can be used again, integrates all hemodialysis mechanisms around a patient, adopts a multi-objective optimization mode, optimize time, distance and the device utilization rate according to weights, generates three dialysis arrangements withoptimal resources, and sends the dialysis arrangements to a client; and the client receives the dialysis schedule, collects patient information and transmits the patient information to the data center. The invention provides the hemodialysis resource management and service system and method based on multi-objective optimization, so that the patient does not need to wait in a hospital to waste time and energy, and the awkward situation of high dialysis pressure of the hospital is relieved to a certain extent.

The invention discloses a hemodialysis tube, which relates to the field of medical equipment. The hemodialysis tube provided by the present invention includes a dialysis part and a connection part, the connection part is connected to the dialysis part; the dialysis part includes an outer dialysis tube, an inner dialysis tube and a dialysis membrane, and the outer dialysis tube is sleeved on the periphery of the inner dialysis tube and is connected with the inner dialysis tube There is a gap between the dialysis membrane and the outer wall of the inner dialysis tube; the inner dialysis tube has a U-shaped or V-shaped structure, and the openings are the liquid inlet and the liquid outlet respectively; the liquid inlet and the liquid outlet pass through the connecting part ; Nano-silver is fixed in the pipes of the outer dialysis tube and the inner dialysis tube. The dialysis part of the dialysis device is small in size, and is directly placed in the human artery for hemodialysis, without the need to draw blood out of the body and then through the machine for hemodialysis, so that it has no effect on human blood pressure, and is more economical, safer and less traumatic than extracorporeal hemodialysis ; It can be left in the blood vessels for multiple use, and the patient is continuously on hemodialysis.

The present invention discloses a biological antibody automatic dialysis purification device. The table surface of a working table is sequentially provided with a dialysis tank I, a dialysis tank II and a purification tank from right to left; the dialysis tank I and the dialysis tank II are fixedly connected through a connecting bent pipe I; the dialysis tank II and the purification tank are fixedly connected through a connecting bent pipe II; a dialysis buffer solution is introduced into the dialysis tank I and the dialysis tank II through dialysis liquid pipelines, and a to-be-purified biological antibody material is introduced into a dialysis bag through an external input pipe on the side surface of the dialysis tank I, so that dialysis purification of a biological antibody in the dialysis bag by the dialysis tank I is realized; in the dialysis process of the dialysis tank I, a stirring shaft I is driven by a motor I to rotate, and the stirring shaft I drives a stirring blade I to stir the solution in the dialysis tank I, so that the dialysis purification efficiency is improved; and hot air flow is input into the dialysis tank I by a heating pipeline, so that the flow rate of macromolecules in the dialysis bag is increased and the dialysis efficiency is improved.

The invention discloses a hemodialysis system with a built-in dialysis tube, which relates to the field of medical equipment. The hemodialysis system with built-in dialysis tube of the present invention includes a dialysate container, a dialysis tube, a peristaltic pump and a waste liquid tank connected in sequence; the dialysis tube includes an outer dialysis tube, an inner dialysis tube and a dialysis membrane, and the outer dialysis tube is sleeved on the inner dialysis tube There is a gap between the outer periphery and the dialysis inner tube, and the dialysis membrane is wrapped on the outer wall of the dialysis inner tube; the dialysis inner tube is U-shaped or V-shaped, and the openings are respectively the liquid inlet and the liquid outlet; the dialysate container passes through the liquid inlet tube Connected to the liquid inlet, the peristaltic pump is connected to the liquid outlet through the liquid outlet pipe; it also includes a connecting part, the liquid inlet and the liquid outlet pass through the connecting part respectively, and the connecting part is provided with a regulating valve to open or close the liquid inlet and/or outlet and adjust the flow rate. The dialysis tube is placed in the human artery without taking blood out of the body for hemodialysis, so it has no effect on the blood pressure of the human body, and is safe, economical and less traumatic; it is indwelling in the blood vessel for multiple uses and continues to perform hemodialysis.

The invention discloses a dialysis tube built-in type blood hemodialysis system. The system comprises a dialysis container, a dialysis tube, a power pump and a collecting vat which are sequentially connected. The dialysis tube comprises a dialysis outer tube, a dialysis inner tube and a dialysis film. The outer wall of the dialysis inner tube is coated with the dialysis film, the dialysis container is connected to a liquid inlet through a liquid inflow tube, and the power pump is connected to a liquid outlet through a liquid outflow tube. The dialysis tube comprises a fixed base and a jacket,the fixed base is a hollow cylinder, the jacket is clamped on the outer side wall of the fixed base, and holes corresponding in position are formed in the outer side wall of the fixed base and the jacket. During use, the dialysis film is spread and clamped between the outer side wall of the fixed base and the jacket. A first magnetic stirrer is mounted at the inner bottom of the fixed base. By theadoption of the dialysis tube built-in type blood hemodialysis system, the dialysis efficiency is improved, and by means of a dialysis film fixing device, a sample can be kept in a sterile state in the dialysis and transfer processes.

The invention relates to the technical field of medical instruments, and discloses a peritoneal dialysis monitoring device which comprises a telescopic rod, a flow stopper is arranged on the outer wall of the bottom end of the telescopic rod and comprises a supporting lantern ring, the supporting lantern ring is fixedly arranged on the outer wall of the bottom end of the telescopic rod in a sleeving mode, and a temperature control box body is fixedly connected to the top face of the telescopic rod. A temperature guide device is arranged in the temperature control box body and comprises a temperature guide plate, the left face and the right face of the temperature guide plate are fixedly connected to the left inner wall and the right inner wall of the bottom end of the temperature control box body respectively, sliding grooves are formed in the top ends of the left inner wall and the right inner wall of the temperature control box body, an infusion support is arranged between the two sliding grooves, and a temperature monitor is arranged below the temperature control box body. The temperature monitor comprises a fixing frame A, the right face of the fixing frame A is fixedly connected with a fixing seat, a clamping plate is attached to the front portion of the fixing seat, the top side wall of the right end of the rear-end metal lantern ring is fixedly connected with a thermometer, the temperature of peritoneal dialysis liquid can be monitored more accurately, and the safety of peritoneal dialysis is effectively improved.

The invention provides a dialysis method of a recombinant human tissue type plasminogen kinase derivative inclusion body enhancement solution, and application. The invention adopts ultrafilter dialysis, compared with dialysis bag dialysis, dialysis efficiency is obviously improved, dialysis time is shortened into 1/5 of original dialysis time, a use amount of dialysis external liquid is reduced to1/20 of an original use amount, the dialysed rPA solution is clear and transparent, and small molecule substances, including guanidine hydrochloride, reductant DTT and the like, can be more thoroughly removed; and after the ultrafilter dialysis, the obtained rPA solution is processed by subsequent steps, and the integral yield of produced rPA protein is improved by 20%. The invention provides a convenient and efficient method for renaturation purification of a large-scale industrial inclusion body, especially the inclusion body containing more disulfide bonds.

An ultrasonic percutaneous dialysis equipment suitable for dialysis therapy or medicinal bath therapy is composed of a dialysis pool and an ultrasonic emitting head. Its advantages are high dialysis efficiency, short time, high curative effect and low cost.

The invention belongs to the field of automatic control, and particularly relates to a dialysis automatic water replacing system which comprises a dialysis tank, a dialysis bag lifting device, a sensor and an automatic water replacing control system. A water inlet with a water inlet valve is formed in the upper end of the dialysis tank, and a water outlet with a water outlet valve is formed in thebottom end of the dialysis tank. The dialysis bag lifting device comprises a fixing ring and an electric lifting rod, wherein a dialysis bag fixing clamp is arranged on the fixing ring, and the lowerend of the electric lifting rod is fixed to the fixing ring through a fixing rod. The sensor is arranged at the lower end of the fixing ring. The automatic water replacing control system comprises aninformation collecting module, an information processing module and an instruction executing module. Through the cooperation of the automatic water replacing control system and the sensor, the wateroutputting, the water inputting and the lifting of a dialysis bag are automatically controlled, the automatic replacing of water (or buffering liquid) is realized according to the conditions of impurities in the water or buffering liquid in the dialysis tank, the dialysis efficiency is improved, labor is saved, and meanwhile it is avoided that a dialysis semipermeable membrane is damaged by manualoperation.

The invention discloses nephrology department dialysis equipment convenient to move. The equipment comprises an air cylinder, a placing plate, a bottom plate, universal wheels, a filtering layer, a first filtering box, a second filtering box, a first one-way valve and a second one-way valve. A piston is driven by the air cylinder to move downwards, so that the speed of blood passing through the filtering layer in the first filtering box is increased, the hemodialysis efficiency is improved, and the practicability of the equipment is improved. When the filtering of the filtering layer is saturated, the second one-way valve is further closed, and the first one-way valve is opened to enable the blood to enter the second filtering box through a first liquid guide pipe, so that the continuous filtering of the blood is realized, the hemodialysis efficiency and effect are further ensured, and the practicability of the equipment is improved. A mounting plate is welded to the side face of the placing plate, an illuminating lamp is fixedly mounted on the mounting plate through bolts, the equipment can still move in a dark environment with the illuminating lamp, and the practicability of theequipment is improved.