34 results about "Peritoneal dialysis fluid" patented technology

The invention discloses a peritoneal dialysis system which comprises an abdominal cavity pipeline with the first end communicated with the abdominal cavity of a human body; the semi-permeable membrane assembly comprises a membrane, a first side and a second side, the first side and the second side are separated by the membrane, and the first side is communicated with the second end of the abdominal cavity pipeline so as to receive the abdominal cavity dialysate from the abdominal cavity pipeline and inject the abdominal cavity dialysate into the abdominal cavity of the human body; the external liquid path system comprises an external liquid pipeline communicated with the second side, and the external liquid pipeline comprises a waste liquid outlet for outputting dialysis waste liquid led out from the peritoneal dialysis liquid through the membrane; when the peritoneal dialysis solution is led out, the membrane allows moisture and small molecular solutes in the peritoneal dialysis solution to permeate into the second side and entraps a macromolecular penetrant on the first side so as to maintain the osmotic pressure of the peritoneal dialysis solution.

The utility model relates to a multifunctional infusion support for peritoneal dialysis, which comprises a support body, the support body comprises a first rod and a second rod, the second rod is telescopically matched with the first rod, the infusion support further comprises a shelving part, the shelving part is connected with the first rod, and a reference body is arranged on the shelving part. By arranging the first rod and the second rod, the height can be freely adjusted according to illness conditions, and the flow speed of dialysate can be conveniently controlled; the peritoneal dialysis waste liquid bag can be conveniently placed through the arrangement of the placing part, stumbling traction is reduced, infection factors are reduced, meanwhile, the brightness of peritoneal dialysis liquid can be identified through the arrangement of the reference body, and the quality of the peritoneal dialysis liquid can be rapidly evaluated.

This utility model relates to the field of packaging and sealing technology, and discloses a peritoneal dialysis fluid packaging and sealing machine, including a support plate. A slide rail is fixedly connected to the upper surface of the support plate, and a slider is fixedly connected to the upper surface of the slide rail. A clamping assembly is provided outside the slider, the clamping assembly including a clamping plate. The clamping plate is disposed outside the slider, and a connecting rod two is fixedly connected to the outer wall of the clamping plate. A fixing post one is rotatably connected to one end of the outer wall of the connecting rod two, and a fixing post two is rotatably connected to one end of the connecting rod two. A connecting rod three is rotatably connected to the outer wall of the fixing post one. In this utility model, the clamping plate stably clamps the packaging bag by driving the gears and connecting rods through a motor. Combined with the sliding of the slider on the slide rail, the packaging bag can be accurately transported to the sealing position, improving the stability of clamping and transporting, ensuring accurate positioning of the packaging bag during the sealing process, reducing sealing deviations caused by displacement, and improving sealing quality.

The utility model relates to the technical field of peritoneal dialysis, in particular to a peritoneal dialysis fluid pipeline capable of accurately controlling the amount of children and achieving pressurized perfusion for adults, which comprises a waste fluid bag, an injector, a fluid inlet bag and a connecting pipe, a first catheter is connected between the waste fluid bag and the connecting pipe, and a second catheter is connected between a nipple of the injector and the connecting pipe. And a third catheter is connected between the nipple of the injector and the liquid inlet bag. After an operator connects the connecting pipe to an external short pipe of a patient and waste liquid in the abdominal cavity of the patient is completely discharged, the operator clamps and closes the first catheter and the second catheter and opens the third catheter at the same time, the operator can suck quantitative dialysate into the injector, and finally the third catheter is closed and the second catheter is opened, so that the dialysate in the abdominal cavity of the patient is completely discharged. An operator can inject the dialysate in the injector into the abdominal cavity of a patient, quantitative injection of dialysis is achieved, and the problem that it is difficult for the operator to inject the dialysate with the accurate amount into the abdominal cavity of an underage child is solved on the whole.

A peritoneal dialysis system includes a cycler configured to pump peritoneal dialysis fluid and a disposable set configured to receive the peritoneal dialysis fluid pumped by the cycler. The disposable set includes a filter having a fresh peritoneal dialysis fluid pathway and a membrane located along the fresh peritoneal dialysis fluid pathway and configured to filter the peritoneal dialysis fluid. The filter also includes a grid housing comprising a plurality of baffles configured to separate filtered fresh peritoneal dialysis fluid that has flowed through the membrane into plural fluid channels that form an interior region of the fresh peritoneal dialysis fluid pathway.

The utility model relates to a portable peritoneal dialysis liquid sample reserving device which comprises a culture bottle and a sealing cover detachably connected with the culture bottle, the outer wall of the culture bottle is movably sleeved with a protective sleeve, a reset structure is arranged between the culture bottle and the protective sleeve, and the reset structure enables the protective sleeve to have the trend of moving towards the top of the culture bottle all the time. A trigger structure is further arranged among the culture bottle, the sealing cover and the protective sleeve, the trigger structure can limit the protective sleeve and prevent the protective sleeve from moving towards the top of the culture bottle, and in the process that the sealing cover and the culture bottle are closed, the trigger structure acts, so that the limiting effect on the protective sleeve is relieved, and the protective sleeve is prevented from moving towards the top of the culture bottle. According to the portable culture bottle, by means of mutual matching of all the structures, when the sealing cover and the culture bottle are covered, the sealing cover can be covered with the protection sleeve, so that the probability that the sealing cover falls off from the culture bottle due to external force is reduced, and the portable culture bottle is more convenient to carry.

The invention discloses an analysis and evaluation method for a patient to assess peritoneal dialysis infection by himself / herself, and the method comprises the steps: collecting multi-dimensional clinical data through an acute symptom questionnaire system, determining a severity score in combination with abdominal pain, abdominal pain accompanying symptoms and body temperature abnormality indexes, and achieving precise triage. When peritonitis is evaluated, the traits of the peritoneal dialysis solution are meticulously analyzed, and various preliminary diagnosis suggestions can be accurately given; evaluating catheter outlet and tunnel skin, analyzing and judging emergencies according to images, and determining a grading processing decision by using a skin grading system to realize accurate hierarchical management. In addition, once the infection or emergency risk is judged, treatment prompt information can be output in time, so that the patient can see a doctor in time and grasp the optimal treatment opportunity, and disease delay is reduced. According to the scheme, the evaluation accuracy is improved, the patient can be assisted in evaluating the infection condition and the treatment effect in real time, medical staff can be helped to scientifically and normatively extract and conclude patient infection related data, and therefore accurate layered management on the infection risk degree is achieved.

A peritoneal dialysis system includes a preparator and a cycler. The system delivers purified water into one or more containers with different powders to create a concentrate and then moves the concentrate to a mixing bag to create a peritoneal dialysis fluid (PDF). The cycler then delivers the PDF to a patient and removes waste fluid via a drain outlet. A volumetric approach controls hydraulic fluid paths that introduce the purified water to the powders to create the concentrate, provide mixing of the concentrate to form the PDF and deliver the PDF to the patient. Different configurations of hydraulic flow / pressure generators are provided in the fluid paths to provide optimization of flow of the purified water through the system to create correct concentrates from the powders and subsequent peritoneal dialysis fluid for cycling, for example being provided in a disposable cassette.

This invention relates to the field of biomedical technology, and provides an NH4 + Biotransformation scavenging materials and their preparation methods utilize glutamate dehydrogenase to decompose urea into NH4, which is generated by urease. + α-Ketoglutarate and nicotinamide adenine dinucleotide are converted into glutamate under the action of enzymes, thereby removing NH4, which is highly toxic to the human body. + Furthermore, MAF-7 material was synthesized by reacting zinc nitrate and 3-methyl-1,2,4-triazole in aqueous solution. Simultaneously, glutamate dehydrogenase was added during the synthesis process to immobilize the enzyme in situ onto MAF-7. This material can regenerate NH4+, a byproduct of peritoneal dialysis fluid regeneration in WAK. + It can effectively remove NH4 and also achieve long-term continuous removal. + This reduces the amount of adsorbent used and the size and weight of the device, further improving the urea treatment efficiency and solving the Na+ problem in the REDY system. + H + Risk of leakage.

A multifunctional fixing structure for peritoneal dialysis liquid changing comprises a movable lifting supporting frame, a hanging frame, a heat preservation heating box, a lighting structure and a storage structure, the hanging frame is fixed to the top of the movable lifting supporting frame, and the storage structure is located between the heat preservation heating box and the lighting structure. The heat preservation heating box is installed on the movable lifting supporting frame and located below the hanging frame, the storage structure is movably installed on the movable lifting supporting frame and located below the heat preservation heating box, and the lighting structure is fixed to the side wall of the movable lifting supporting frame and located below the storage structure. A foldable chassis is installed at the bottom of the movable lifting supporting frame, a weighing structure is placed on the foldable chassis, and a tray is connected to the top of the weighing structure. According to the multifunctional fixing structure, a patient can conveniently conduct peritoneal dialysis liquid changing operation at home or when going out, and the heat preservation heating box is arranged on the movable lifting supporting frame and can provide heating and heat preservation functions for peritoneal dialysis bag liquid.

A cyclo(His-Pro)(CHP) is useful for preventing, alleviating or treating peritoneal fibrosis. A pharmaceutical composition for preventing or treating peritoneal fibrosis, a dietary supplement composition for preventing or alleviating peritoneal fibrosis, and a peritoneal dialysis solution, which all contain CHP is disclosed. Also disclosed are a method for preventing or treating peritoneal fibrosis by using CHP, a peritoneal dialysis method using CHP, a use of CHP during the preparation of a pharmaceutical composition for preventing or treating peritoneal fibrosis, and / or a use of CHP in the preparation of a peritoneal dialysis solution.

The invention aims to provide an auxiliary device for changing peritoneal dialysis fluid, and relates to the technical field of medical instruments, a medical infusion monitor, a collecting box, a fluid storage tank and a support frame are detachably mounted on an infusion support, the infusion support is communicated with the fluid storage tank through a drip cup, and a heating base is arranged in the fluid storage tank to heat and preserve heat of new fluid in the fluid storage tank; the dripping speed in the drip cup can be monitored through the medical infusion monitor, and the new liquid changing speed can be controlled through the flow speed controller; the flow monitor is arranged in the collecting box, so that the speed of discharging the waste liquid can be monitored, and the speed of discharging the waste liquid can be adjusted through the flow speed controller on the collecting box; discomfort and even injury of a patient caused by too high and too low speed of changing new liquid and too high and too low speed of discharging waste liquid are avoided; the two clamps on the support frame can respectively clamp the outer end of the catheter with the screwed-off iodophor cap and the liquid changing connecting pipe, so that a connector is prevented from being polluted.

The present invention discloses a peritoneal dialysis fluid exchange auxiliary device, comprising a moving component, a supporting clamp component, an adjusting component and a fixing clamp component. The adjusting component comprises a supporting plate and two long axes. The supporting clamp component comprises a first concave plate and two brackets. The bracket comprises a base plate, two sleeve plates and four first springs. The ends of the two first springs are provided with a contact plate. The fixing clamp component comprises a base, an upper clamping plate, a lower clamping plate and two brackets. The bracket comprises a contact plate and a rubber sheet, so that a dialysate connector can be clamped between the two contact plates. The rubber sheet contacts the tube body at the rear end of the dialysate connector, thereby increasing the friction force of the dialysate connector and preventing it from falling to the ground and causing contamination. The dialysate connector for the second dialysis is clamped on the other bracket, thereby reducing the operation time of peritoneal dialysis fluid exchange.

1. Name of the product in this design: Infusion container cap (for peritoneal dialysis fluid). 2. Purpose of this design: This design is used for the cap of an infusion container. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of pharmaceutical analysis, and particularly discloses a method for determining sodium lactate in a bicarbonate type peritoneal dialysis solution. According to the method, the sodium lactate in the bicarbonate type peritoneal dialysis solution is detected by adopting a high performance liquid chromatography. According to the method, the sodium dihydrogen phosphate solution is used as a mobile phase, the detection adaptability of the sodium dihydrogen phosphate solution and the sodium lactate is good, quantitative analysis of the sodium lactate in the bicarbonate type peritoneal dialysis solution can be accurately achieved, and a more reliable and efficient detection means is provided for quality control of the bicarbonate type peritoneal dialysis solution.

Provided is a composition capable of inhibiting peritoneal deterioration. The peritoneal deterioration inhibiting composition of the present invention includes carbon monoxide.

A peritoneal dialysis fluid circuit comprising a patient line, a delivery line configured to supply fresh dialysis fluid towards the patient line, a withdrawal line configured to withdraw spent dialysis fluid from the patient line, a first pump arranged on the delivery line and configured to supply fresh dialysis fluid towards the patient line, and a second pump arranged on the withdrawal line and configured to withdraw spent dialysis fluid from the patient line. The fluid circuit further comprises a control unit configured to perform a peritoneal dialysis procedure. The peritoneal dialysis procedure comprises commanding activation of the first pump at a first flow rate, and activation of the second pump at a second flow rate different from the first flow rate: the first pump and the second pump are active simultaneously to provide the first flow rate and the second flow rate.

A peritoneal dialysis system and method are disclosed. The peritoneal dialysis system includes a pressure chamber and a flexible container located within the pressure chamber. The peritoneal dialysis system also includes a motive fluid cylinder, a piston located within the motive fluid cylinder, and a linear actuator configured to extend and retract the piston. The peritoneal dialysis system further includes at least one motive fluid valve for opening and closing a pressure chamber passage and a vent passage. Additionally, the peritoneal dialysis system includes a control unit in operable communication with the linear actuator and the at least one motive fluid valve. The control unit is configured to perform at least one of a negative pressure sequence and / or a positive pressure sequence for pumping peritoneal dialysis fluid.

A peritoneal dialysis (“PD”) machine includes a water pump; a concentrate pump; a water valve, and an inlet to the water valve positioned to receive purified water; a concentrate valve, and an inlet to the concentrate valve positioned to receive PD fluid concentrate; a mixing line located downstream from the water pump and the a concentrate pump; a conductivity sensor positioned to sense mixed purified water and PD fluid concentrate that form fresh PD fluid; a flexible patient line configured to bring fresh PD fluid to and remove used PD fluid from a patient; and a control unit configured to control the water pump, the concentrate pump, the water valve and the concentrate valve, to receive an output from the conductivity sensor, and to run a disinfection sequence in which (i) the inlet to the concentrate valve alternatively receives disinfectant or (ii) the flexible patient line alternatively receives disinfectant.

The utility model discloses a peritoneal dialysis solution bag making machine tool conveying structure which comprises a discharging frame, a tensioning roller, a first supporting table and a second supporting table which are sequentially arranged in the direction of a conveying line, guide rollers are symmetrically and rotationally installed at the two ends of the first supporting table, a traction roller is rotationally installed at the output end of the second supporting table, and the traction roller is connected with the discharging frame. A third motor for driving the traction roller to rotate is installed on the side edge of the second supporting table, a material distributing roller is further rotationally installed on the second supporting table, and after being diffused, a double-layer film material on the discharging frame penetrates through the position below the tensioning roller, then is flatly laid on the first supporting table and the guide roller and is divided into an upper layer and a lower layer through the material distributing roller till the double-layer film material is folded again on the tail end of the second supporting table and the traction roller. The double-layer film material can be divided into two layers to be conveyed through the material dividing roller, the space is expanded between the double-layer film material, then the tube inserting operation of the soft catheter is conveniently carried out, the manual participation degree when a bag body and the soft catheter are assembled is effectively reduced, the production efficiency can be improved, and the manual manufacturing cost can also be saved.

The utility model discloses a peritoneal dialysis solution bag making machine tooling, including material conveying mechanism, lettering mechanism, intubation mechanism and hot pressing mechanism, the material conveying mechanism includes material placing frame, support table no. 1 and support table no. 2, the material placing frame is used for spreading double-layer mould body to support table no. 1 and support table no. 2, lettering mechanism is installed on support table no. The pipe inserting mechanism is installed on the side edge of the second supporting table, the second supporting table is further provided with a film separating roller used for separating a double-layer film body, and the hot pressing mechanism is installed at the tail end of the second supporting table. The character printing mechanism, the tube inserting mechanism and the hot pressing mechanism are sequentially arranged on the material conveying mechanism, a continuous production line is formed, operations such as surface character printing, tube inserting assembly and hot pressing sealing are sequentially carried out on a double-layer film body, then a complete dialysate bag body is manufactured, manual participation is effectively reduced, continuous automatic production is achieved, and production efficiency is improved. And the overall manufacturing efficiency can be improved.

1. The name of this design product: Peritoneal dialysis fluid bag full-process processing terminal. 2. Purpose of this design product: used for intelligent processing of peritoneal dialysis waste liquid bags. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

This invention discloses a method for preparing and applying a dialysis fluid for preventing peritoneal fibrosis, belonging to the field of pharmaceutical technology. This invention adds zinc sulfate heptahydrate to a basic peritoneal dialysis fluid to prepare a novel peritoneal dialysis fluid containing zinc sulfate heptahydrate. This dialysis fluid can effectively inhibit high glucose-induced oxidative stress and mesothelial-mesenchymal transition in peritoneal mesothelial cells, reduce peritoneal thickening and collagen deposition, and improve peritoneal transport function. The raw materials used in this invention are readily available, the preparation is simple, it is directly compatible with commercially available dialysis fluids, and it offers strong targeted intraperitoneal administration with few side effects. It provides a safe and efficient new solution for preventing peritoneal dialysis-related peritoneal fibrosis and has good prospects for clinical translation.

The present invention relates to the technical field of peritoneal dialysis fluid exchange, and specifically to an environmental monitoring method and device for peritoneal dialysis fluid exchange. The peritoneal dialysis fluid exchange time is obtained, and the environmental adjustment time is determined according to the peritoneal dialysis fluid exchange time; during the environmental adjustment time, the current environmental parameters are obtained, and the current environmental parameters include the current environmental temperature, the current environmental humidity, and the current environmental dust concentration, and the parameters of the peritoneal dialysis fluid exchange chamber are adjusted according to the current environmental temperature, the current environmental humidity, and the current environmental dust concentration; and after the first preset time period of the environmental adjustment time ends, the peritoneal dialysis fluid exchange time is entered; during the peritoneal dialysis fluid exchange time, the real-time temperature, real-time humidity, real-time dust concentration, and real-time oxygen concentration in the peritoneal dialysis fluid exchange chamber are obtained, and step-by-step early warning and protection are performed according to the real-time temperature, real-time humidity, real-time dust concentration, and real-time oxygen concentration. This reduces the probability of infection in patients undergoing fluid exchange.

The invention relates to the technical field of dialysis treatment, and discloses a renal failure patient peritoneal dialysis fluid circulation heating and filtering integrated device which comprises a dialyzer, a mounting groove is formed in the position, below a heating groove, of the inner wall of the dialyzer, a heating pipe is mounted on the inner wall of the mounting groove, and a plurality of surrounding type flow guide pipes are mounted on the inner wall of the heating groove at equal intervals. A butt joint hopper is fixedly arranged at one end of each surrounding type flow guide pipe, and a partition plate is fixedly installed at one end of the inner wall of the heating groove. Dialysate flows in the surrounding type flow guide pipes, the flowing distance of the dialysate and the retention time of the dialysate in the heating groove are both increased, and enough time is provided for temperature rise; the heated dialysate enters the other end of the inner wall of the heating groove through the through holes in the partition plate and is discharged, the dialysate is guided into the abdomen of the patient through the dialysis connecting assembly for dialysis treatment, the dialysate can be kept at the temperature close to the body temperature of the patient for dialysis, redundant materials of the kidney of the renal failure patient can be more quickly dialyzed and filtered out, and the treatment efficiency is improved. And the dialysis treatment effect is improved.

This invention discloses a double-gear pump filtration system. The overall assembly structure includes a peritoneal dialysis fluid filter, a double-gear pump, a motor drive shaft, a front pump cover, a rear pump cover, and a sliding control valve. The pump body has an inlet and an outlet connecting to its internal pump chamber. A piston-controlled sliding control valve is mounted on the front pump cover; changing the piston's position allows the double-gear pump to operate in either a 2-in-2-out or 1-in-2-out configuration. The outlet is connected to the peritoneal dialysis fluid filter via a flexible hose. When both inlets are connected simultaneously, turbulent flow is created inside the peritoneal dialysis fluid filter, resulting in better filtration and higher filtration efficiency.

The invention provides application of an MIF inhibitor in preparation of a medicine for preventing and / or treating peritoneal ultrafiltration failure or peritoneal fibrosis. The MIF inhibitor is used for protecting peritoneal mesothelial cells and peritoneal macrophages induced by high-concentration glucose peritoneal dialysis fluid from being damaged, so that peritoneal fibrosis is relieved, the time that a patient can accept peritoneal dialysis is prolonged, and the arrival of peritoneal ultrafiltration failure is delayed.

The invention relates to the technical field of medical equipment, and discloses a peritoneal dialysis drainage completion alarm interception metering device which comprises a connecting pipe 5 used for communicating a peritoneal dialysis pipeline of a patient with a drainage bag 3; the temperature sensor is arranged on the connecting pipe 5 and used for monitoring the temperature of fluid in the pipe and generating a temperature signal; the flow sensor is arranged on the connecting pipe 5 and is used for measuring the flow velocity of liquid in the pipe and generating a flow signal; the electromagnetic valve is arranged on the connecting pipe 5 and is used for opening or closing a pipeline according to the control signal; and the alarm module is used for giving an alarm prompt according to the control signal. According to the peritoneal dialysis device, the temperature of peritoneal dialysis liquid can be monitored in real time through the temperature sensing device, when drainage is completed and the temperature in the peritoneal dialysis tube is reduced to be lower than the preset temperature threshold value, an alarm signal is sent out, drainage is cut off, and therefore potential risks caused by abnormal temperature are avoided, and the overall safety is improved.

The present application discloses a new-born peritoneal dialysis fluid heating bag, belonging to the medical technical field, comprising an outer package, a heating pipe is embedded and installed in the bottom cavity of the outer package, a driving motor is fixedly installed on one side outer wall of the outer package, and a storage mechanism is fixedly installed on one end of the output shaft of the driving motor; in the present application, the storage mechanism and the turbulence component are provided, through the design, the dialysis fluid bag can be shaken in real time, the hot air circulation rate in the outer package can be improved, the contact area of the hot air and the dialysis fluid bag can be improved, thereby the dialysis fluid heating efficiency is improved, when the dialysis fluid bag is loaded, the upper part of the storage inner cavity can be automatically closed, the heat reflection efficiency is improved, thereby the heating efficiency of the heating bag is further improved, the dialysis fluid bag can be pressed up and down, thereby the flow rate of the dialysis fluid in the dialysis fluid bag can be effectively improved, and the heating effect and efficiency of the dialysis fluid bag are further improved.

The utility model provides automatic overturning equipment for a peritoneal dialysis solution lower bag. The automatic overturning equipment is characterized by comprising an overturning conveying mechanism, an overturning bag sliding plate, a transverse conveying mechanism and a controller. The overturning conveying mechanism comprises an overturning chain plate belt, an overturning transmission part and an overturning transmission motor which are arranged on an overturning conveying rack, the transverse conveying mechanism comprises a transverse conveying belt, a transverse transmission part and a transverse transmission motor which are arranged on a transverse conveying rack, and an overturning bag sliding plate is obliquely arranged on the overturning conveying rack; the bag overturning sliding plate is used for connecting the overturning conveying mechanism and the transverse conveying mechanism, so that the soft bag products on the overturning chain plate belt slide down through the bag overturning sliding plate and fall onto the transverse conveying belt after being overturned by 180 degrees. And the controller is respectively connected with the control ends of the overturning transmission motor and the transverse transmission motor. In the conveying process of soft bag products conveyed out of the bag unloading machine, the soft bags are automatically overturned by 180 degrees and then conveyed to the lamp inspection station for inspection, manual operation is reduced, the automation degree is high, the structure is simple, and the manufacturing cost is low.