246 results about "Peritoneal dialysis" patented technology

A method, system and apparatus for performing peritoneal dialysis are provided. To this end, in part, a frame of a disposable unit for a medical fluid system is provided. The frame includes a body having a pair of opposing sides and defining a space between the sides, and a number of membranes sealed to the body along the opposing sides. The body and the membranes form at least one medical fluid pathway in the space between the opposing sides, and the opposing sides are bowed.

A device and methods for treating renal failure are disclosed. One embodiment of the device is an implantable peritoneal dialysis device. When in use, the device can have a semi-permeable reservoir implanted in the peritoneal cavity. The reservoir can receive blood waste and drain through one or more conduits, via a pump, to the biological bladder. Solids and/or a solution benefiting dialysis can be pumped to the reservoir and/or implanted in the peritoneal cavity.

Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections of the apparatus being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of a diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater. Improvements are also disclosed in the application of negative pressure during a drain phase in peritoneal dialysis therapy, and to control the amount of intraperitoneal fluid accumulation during a therapy. Improvements in efficiency are also disclosed in the movement of fluid into and out of a two-pump cassette and heater bag of a peritoneal dialysis cycler, and in the synchronization of the operation of two or more pumps in a peritoneal dialysis cycler or other fluid handling devices using a multi-pump arrangement.

A system and method for draining excessive fluid from a body cavity or space. The system comprises an implantable fluid penetrable chamber comprising a frame covered by a fluid permeable mesh configured to enable fluids to penetrate therethrough. The system further comprises a catheter connected at a first end to one of said chamber sides/walls or penetrates therethrough; and optionally further comprises a pump placed inside or outside of said chamber.

A dialysis machine, in particular a peritoneal dialysis machine, to which a fluid system having a multi-chamber container with at least two chambers with individual solutions separated by a partition arrangement to be opened mechanically can be coupled includes a controller and at least one sensor for the determination of a measured variable in the fluid system. The controller has an apparatus for the automatic checking of the proper opening of the partition arrangement with reference to the measured variable determined by the sensor.

A medical apparatus includes a socket unit for connecting a plug unit of a device for supplying medical fluids, in which the medical apparatus is in particular an extracorporeal blood treatment apparatus, for example an extracorporeal dialysis apparatus or an apparatus for peritoneal dialysis, or an apparatus for filling the device for supplying medical fluids. The socket unit comprises connection pieces for the connection of connectors of a plug unit, so that a flow connection can be produced for supplying or discharging a fluid. The connection pieces are surrounded by connection parts thereby forming rinsing chambers, in which the rinsing chambers are closed by closure pieces, said closure pieces being part of a closure body which is disposed rotatably on the socket unit.

A capping device is configured to terminate a connector while disconnected from another connector in a fluid transportation system, e.g., for peritoneal dialysis. The connector comprises an exposed surface portion that is enclosed when the connector is connected to the other connector. The capping device comprises a body defining a chamber with an opening, a liquid-containing disinfectant in the chamber, a sealing element arranged in the opening to form a sealed cavity retaining the disinfectant, and a structure for engaging and guiding the connector towards the body such that a portion of the connector displaces the sealing element into the chamber. The sealed cavity is configured such that a displacement of the sealing element into the chamber actively presses the disinfectant out of the sealed cavity, for disinfecting at least part of the exposed surface portion. The capping device may be manufactured by introducing the liquid-containing disinfectant into the chamber through the opening, and by arranging the sealing element in the opening to form the sealed cavity.

The invention provides a remote monitoring system of peritoneal dialysis machines and a monitoring method thereof. The monitoring system comprises a serial communication module of peritoneal dialysis machines, a GPRS communication module and a monitoring server which is arranged in a monitoring center, a plurality of peritoneal dialysis machines are connected with the GPRS communication module by serial interfaces, and the GPRS communication module is communicated with the monitoring server by a wireless network. The monitoring method comprises the following steps of: inputting abnormal condition information through a peritoneal dialysis machine terminal by a user and sending the abnormal condition information to the GPRS communication module by a serial interface; then, sending the information input by the user to the monitoring server by the GPRS communication module; displaying, counting and storing the data information received by the monitoring server in real time; alarming abnormal dialysis information; sending an abnormal information processing method to the peritoneal dialysis machines in a text message or prompting medical stuff to indicate. The invention has the timely and accurate remote monitoring effect and favorable interaction.

An appliance to enhance the rate of removal of solutes during a peritoneal dialysis treatment of a subject, includes a holder to be applied to the subject, and a vibrator device, preferably two such devices, carried by the holder at a location to engage the front side of the subject's abdomen and to apply mechanical vibrations thereto at a frequency of 1-15 Hz, and an amplitude of 1-20 mm, particularly surprising results having been obtained at a frequency of 2-6 Hz, and an amplitude of 5-10 mm.

A method is provided for regulating fluid pump pressures by detecting an elevation differential between a fluid flow control device and the distal end of a fluid line in communication with the fluid flow control device. A fluid flow control device, for instance a peritoneal dialysis device, is at a first height, a distal end of a fluid line is at a second height, and a valved outlet, when open, affords communication between the fluid flow control device and the distal end of the fluid line. The elevation differential is correlatable with a pressure measurable during a calibration procedure provided as a part of the methodology.

Improvements in fluid volume measurement systems are disclosed for a pneumatically actuated diaphragm pump in general, and a peritoneal dialysis cycler using a pump cassette in particular. Pump fluid volume measurements are based on pressure measurements in a pump control chamber and a reference chamber in a two-chamber model, with different sections of the apparatus being modeled using a combination of adiabatic, isothermal and polytropic processes. Real time or instantaneous fluid flow measurements in a pump chamber of a diaphragm pump are also disclosed, in this case using a one-chamber ideal gas model and using a high speed processor to obtain and process pump control chamber pressures during fluid flow into or out of the pump chamber. Improved heater control circuitry is also disclosed, to provide added or redundant safety measures, or to reduce current leakage from a heater element during pulse width modulation control of the heater. Improvements are also disclosed in the application of negative pressure during a drain phase in peritoneal dialysis therapy, and to control the amount of intraperitoneal fluid accumulation during a therapy. Improvements in efficiency are also disclosed in the movement of fluid into and out of a two-pump cassette and heater bag of a peritoneal dialysis cycler, and in the synchronization of the operation of two or more pumps in a peritoneal dialysis cycler or other fluid handling devices using a multi-pump arrangement.