90 results about "Peritoneal dialysis fluid" patented technology

An automatic exchanger apparatus for peritoneal dialysis fluids is provided having a dialysis fluid bag and a drained fluid bag and arranged for connecting and disconnecting between the end of a peritoneal dialysis circuit equipped with a branching point and the end of a tube extending from a patient to drain the waste dialysis fluid from the cavity of the patient and fill the peritoneal cavity of the patient with a fresh peritoneal dialysis fluid for exchange, and in particular comprises: means A, B, and C for carrying out respectively a step (A) of connecting the end of the patient side tube to the end of the peritoneal dialysis circuit, a step (B) of delivering and draining the waste fluid, and a step (C) of, disconnecting the two ends and connecting the end of the patient side tube to its shut-off member, arranged for carrying out their respective steps (A) and (C) automatically; and a controlling means for controlling the respectively means to execute their respectively steps in a sequence. The apparatus is simple in the construction while carrying out, with much ease, the connection and disconnection of the tubes and the exchange of the fluids including a waste and a fresh supply one, hence avoiding operational errors of the operator and minimizing the possibility of infection and contamination.

A method and a system for regenerating a body fluid, such as a peritoneal dialysis fluid. The body fluid is removed into an extracorporeal circuit comprising an electrofilter for removing charged ions from the body fluid, a nanofilter for removing large molecules, such as Dextran 40, and a reverse osmosis filter for concentrating the body fluid, for producing a synthetic urine to be discarded. The removed ions and large molecules are returned to the patient together with pure water from the reverse osmosis filter through an ultrafilter.

A peritoneal dialysis (PD) system for infusing a volume of PD solution into a patient's peritoneal cavity in order to perform peritoneal dialysis on the patient includes a peritoneal cavity monitor (PCM) that measures this volume of fluid in the patient's peritoneal cavity by segmental bioimpedance spectroscopy (SBIS), to thereby determine an ultrafiltration volume of fluid in the patient's peritoneal cavity, and a switch, controlled by the PCM, for filling the patient's peritoneal cavity and draining the patient's peritoneal cavity when the ultrafiltration volume is unchanged over time, significantly decreased, or decreasing at a significant rate.

The present invention relates to a fully automatic carbonate peritoneal dialysis device. The design element of the device is that the device comprises a peritoneal dialysate storage container, a dialysate input pump, a dialysate output pump, a dual-channel X-type polyester sleeve pipe, a blood leakage monitor and a bubble monitor. A dialysate weight sensor, a dialysate temperature sensor and a dialysate heating device are arranged in the peritoneal dialysate storage container. The dialysate input pump sends peritoneal dialysate into a human body abdominal cavity according to a set rate, and the dialysate output pump pumps the peritoneal dialysate out of the human body abdominal cavity according to the consistent rate of the dialysate input pump. One channel of the dual-channel X-type polyester sleeve pipe communicates with the dialysate input pump, and the other channel of the dual-channel X-type polyester sleeve pipe communicates with the dialysate output pump. The invention provides the fully automatic carbonate peritoneal dialysis device and a fully automatic carbonate peritoneal dialysis method.

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

The invention relates to a testing system and related methods for detecting peritonitis or infection in peritoneal dialysate removed from a patient. The testing system can include a fluid sensor apparatus in a fluid line of a peritoneal dialysis cycler through which spent peritoneal dialysate can be pumped. The fluid sensor apparatus can detect one or more markers associated with peritonitis or infection.

An object of the present invention is to provide a chondroitin sulfate having a decreased molecular weight which has utilization as an inhibitor of peritoneal disorder caused by long-term use of a peritoneal dialysis fluid containing glucose or a polysaccharide thereof as an osmotic agent, utilization as an osmotic agent in a peritoneal dialysis fluid, and the like. The chondroitin sulfate having a decreased molecular weight of the present invention as a means for achieving the object is characterized by having a weight average molecular weight of from 1000 to 20000 and containing a constituent disaccharide unit represented by the following structural formula in an amount of from 65 o to 100% (molar ratio) of the total.

-[4GlcAβ1-3GalNAc(6S)β1]-

(wherein GlcA represents a D-glucuronic acid residue; GalNAc represents an N-acetyl-D-galactosamine residue; β1-3 represents a β1-3 glycosidic linkage; β1-4 represents a β1-4 glycosidic linkage; and (6S) indicates that position 6 of the monosaccharide residue is sulfated)

The invention discloses a method for preventing a peritoneal dialysis tube from floating and a peritoneal dialysis tube with a fixed end, the tube including an abdominal cavity, an external dialysis tube is arranged inside the abdominal cavity, one end of the outer dialysis tube extends to the outside of the abdominal cavity, the inner wall of the outer dialysis tube is slidably inserted with an inner dialysis tube, one end of the inner dialysis tube extends to the outside of one end of the outer dialysis tube, one end of the inner dialysis tube is fixedly connected with a dialysis liquid bag,and one end of the outer dialysis tube and the inner dialysis tube are fixedly connected with an adjusting device. The method for preventing peritoneal dialysis tube from floating and the peritonealdialysis tube with fixed end have the advantages that: the position of the whole dialysis tube in the abdominal cavity is positioned, When in use, one hand holds the outer dialysis tube, and the otherhand pulls the outer part of the inner dialysis tube box, and the outer sleeved silica gel tube is extruded and protruded to the outer side, and the protruding silica gel tube contacts with the innerwall of the abdominal cavity, so as to further position the dialysis tube, thereby preventing the dialysis tube from having the problem of floating tube, and having the characteristics of accurate operation and positioning.

The present invention is a sterile peritoneal dialysis fluid, including an acidic first liquid containing only icodextrin and 0 to 2.34 g/L of sodium chloride, and an alkaline second liquid containing an alkaline pH regulator, in which the first liquid after sterilization has a pH of 5.0 to 5.5, the second liquid after sterilization has a pH of 6.5 to 7.5, and a mixture of the first liquid and the second liquid after sterilization has a pH of 6.0 to 7.5. The present invention can provide a peritoneal dialysis fluid containing icodextrin, in which the stability of icodextrin during the heat sterilization and the subsequent storage can be improved to the maximum, and the pH of the peritoneal dialysis fluid is close to the physiological range.

The invention discloses a peritoneal dialysis operator and a method for peritoneal dialysis by virtue of the peritoneal dialysis operator. The peritoneal dialysis operator comprises an operating box, a control device as well as a disinfecting device and a heating device which are arranged inside the operating box, wherein operating holes are formed in left and right walls; each of the operating holes is in sealed connection to a latex glove, and the latex gloves are arranged inside the operating box; a first communicating hole and a second communicating hole are formed in front and rear walls, and a cover plate, by which the corresponding communicating hole is closed, is arranged outside each of the holes; the control device is connected to the disinfecting device and the heating device; and the control device is connected to a power connector. When the operator of the invention is used, an operating room is not required to be prepared, hand washing and a facial mask are avoided, and meanwhile, the operator is not limited by time and space and is available to operation anytime and anywhere. In addition, peritoneal infection relevant to peritoneal dialysis, caused by bacteria on nasal cavity, oral cavity, air and skin can be avoided to the greatest extent.

The invention discloses a method for calculating a home continuous ambulatory peritoneal dialysis operation behavior. The method comprises the steps that firstly, an electronic weighing unit collects peritoneal dialysis fluid electronic weighing data, and the electronic weighing data is transmitted to an intelligent terminal; secondly, the intelligent terminal encrypts the electronic weighing data and transmits the electronic weighing data to a database; thirdly, the electronic weighing data transmitted by the intelligent terminal is received and decrypted by the database; fourthly, the database compares real-time data with reference data which is pre-stored in the database and has the same encoding standard, the difference value between the real-time data and the reference data is found out, and the difference value is converted to form a corresponding operation behavior integral, so that the home continuous ambulatory peritoneal dialysis operation behavior is calculated. The data of the operation behavior of a home CAPD patient can be recorded through the technology of the internet of things, and the operation behavior of the patient can be evaluated in an evaluation scoring mode.

The invention discloses a low-calcium lactate peritoneal dialysis fluid medicine composition. The low-calcium lactate peritoneal dialysis fluid medicine composition contains glucose, sodium chloride, calcium chloride, magnesium chloride, alkali, azulene sulfonate and salt or ester in terms of azulene sulfonate and water. The adverse effects of a peritoneal dialysis fluid on peritonea can be reduced.

The invention provides a peritoneal dialysis liquid (lactate) composition and a preparation method thereof. The composition comprises the following components in percentage by weight: 1.5 to 4.25 percent of glucose, 0.4 to 0.7 percent of sodium chloride, 0.02 to 0.03 percent of calcium chloride, 0.01 to 0.02 percent of magnesium chloride, and 0.4 to 0.6 percent of sodium lactate. The preparation method is characterized by, after the peritoneal dialysis liquid is subpackaged, comprising the following steps of 1) heating the subpackaged peritoneal dialysis liquid to a temperature of 115 DEG C by adopting an autoclave sterilization method, and maintaining for 5 minutes; 2) treating the peritoneal dialysis liquid with ultrasonic wave with frequency between 20 and 50kHz and intensity between 5 and 20W/cm<2> while the peritoneal dialysis liquid is heated; and 3) stopping heating and ultrasonic wave treatment when the maintenance time of the step 1) is reached, and cooling to reduce the temperature.

Embodiments of the invention disclose a disposable peritoneal dialysis tube installation bin. The installation bin comprises a cylindrical docking chamber made of aseptic soft membranes, and aseptic soft membrane gloves arranged at the two ends of the docking chamber in a sealing manner, and the installation bin in formed through the surrounding of the docking chamber and the soft membrane gloves. The docking chamber is provided with an air inlet, a first guiding ring and a second guiding ring, wherein the air inlet connects the outside and the interior of the installation bin, and is provided with a filter core; a peritoneal dialysis tube stretches into the docking chamber through the first guiding ring; a dialysate tube stretches into the docking chamber through the second guiding ring; and the first guiding ring and the second guiding ring are in sealing states. The installation bin further comprises two circular frames and at least one third guiding ring. Force applying structures used for circularly opening the docking chamber are respectively arranged at the two ends of the docking chamber, and the circular frames are in detachable connection with the force applying structures. A sterilization device can stretch into the docking chamber through the third guiding ring, and the third guiding ring is in a sealing state. According to the embodiments, the peritoneal dialysis tube and the dialysate tube can be better prevented from being polluted by bacteria during the docking operation.

The invention provides an infusion device of a peritoneal dialysis machine, which comprises a liquid bag containing peritoneal dialysis solution, a liquid box and a waste liquid bag, wherein the liquid bag is arranged in the liquid box; an infusion tube and a drain tube are arranged between the liquid bag and the waste liquid bag; the liquid box is arranged above the abdomen of the human body, and the height difference between the liquid box and the abdomen of the human body is 500-800mm; and the waste liquid bag is arranged below the abdomen of the human body, and the height difference between the waste liquid bag and the abdomen of the human body is basically equal to the height from a bed surface to the ground. Because the peritoneal dialysis liquid bag is arranged in the position having a certain height to the abdomen of a patient, liquid flow pressure is formed through the height difference, thus the dialysis solution is led into an abdominal cavity; and similarly, after the osmotic exchange of the dialysis solution is finished, the waste liquid is discharged by utilizing the height difference between the waste liquid bag and the abdomen. The infusion device provided by the invention has the characteristics of simple structure design and safety in use.