A61M1/1686

DIALYSIS SYSTEMS
20230263948 · 2023-08-24 · ·

A dialysis system comprising a dialysis machine (100) having a main body portion, a water purification system, the water purification system being separate to the dialysis machine, and a liquid sanitizer (200). The liquid sanitizer (200) is provided within the main body portion of the dialysis machine. The liquid sanitizer (200) is fluidly connected between the dialysis machine (100) and the water purification system. The liquid sanitizer (200) has a heater (240) arranged to heat a volume of liquid, a temperature sensor arranged to sense the temperature of the volume of liquid and a liquid sanitizer controller (250). The dialysis system defines a first closed fluid circuit comprising the dialysis machine and the liquid sanitizer and a second closed fluid circuit comprising the water purification system, the dialysis machine and the liquid sanitizer. The liquid sanitizer (200) is configured to effect sanitization of the first closed fluid circuit and the second closed fluid circuit. A method of heat sanitization of a dialysis system.

THERMAL DISINFECTION SYSTEM FOR A MEDICAL APPARATUS
20230256150 · 2023-08-17 ·

A thermal disinfection system and a method to perform a thermal disinfection procedure of fluid lines of a medical apparatus are disclosed herein. In an example, the thermal disinfection procedure comprises at least the steps of receiving a temperature signal from a temperature sensor, determining a measured temperature value of a fluid within a hydraulic circuit, receiving a pressure signal from a pressure sensor, determining a measured local atmospheric pressure value, and driving a heating unit to heat the fluid based on the measured temperature value and the measured local atmospheric pressure value.

Fluid purification system

Certain disclosed embodiments concern systems and methods of preparing dialysate for use in a home dialysis system that is compact and light-weight relative to existing systems and consumes relatively low amounts of energy. The method includes coupling a household water stream to a dialysis system; filtering the water stream; heating the water stream to at least about 138 degrees Celsius in a non-batch process to produce a heated water stream; maintaining the heated water stream at or above at least about 138 degrees Celsius for at least about two seconds; cooling the heated water stream to produce a cooled water stream; ultrafiltering the cooled water stream; and mixing dialysate components into the cooled water stream in a non-batch process.

Modular assembly for a portable hemodialysis system

A modular assembly for a portable hemodialysis system may include a dialysis unit, e.g., that contains suitable components for performing hemodialysis, such as a dialyzer, one or more pumps to circulate blood through the dialyzer, a source of dialysate, and one or more pumps to circulate the dialysate through the dialyzer, and a power unit having a housing that contains suitable components for providing operating power to the pumps of the dialysis unit. The power unit may be selectively connected to the dialysis unit and provide power (e.g., pneumatic power in the form of pressure and/or vacuum) to the dialysis unit for the pumps when connected to the dialysis unit, but may be incapable of providing power to the dialysis unit when disconnected from the dialysis unit. The dialysis unit and the power unit are sized and weighted to each be carried by hand by a human.

Dialysis system and methods

Dialysis systems and methods are described which can include a number of features. The dialysis systems described can be to provide dialysis therapy to a patient in the comfort of their own home. The dialysis system can be configured to prepare purified water from a tap water source in real-time that is used for creating a dialysate solution. The dialysis systems described also include features that make it easy for a patient to self-administer therapy. For example, the dialysis systems include disposable cartridge and patient tubing sets that are easily installed on the dialysis system and automatically align the tubing set, sensors, venous drip chamber, and other features with the corresponding components on the dialysis system. Methods of use are also provided, including automated priming sequences, blood return sequences, and dynamic balancing methods for controlling a rate of fluid transfer during different types of dialysis, including hemodialysis, ultrafiltration, and hemodiafiltration.

Method for regulating a heating device for heating a fluid for a dialysis fluid circuity, control device and blood treatment apparatus

The present disclosure relates to a method and system for regulating and/or monitoring a heating device for heating a fluid, which has flowed in an in-flow section of a dialysis fluid circuit. The dialysis fluid circuit is part of a blood treatment apparatus, which comprises a container for receiving the fluid and a heating container for heating the fluid. The method encompasses the step of starting a heating process for heating the fluid in the heating container. The fluid is in fluid communication with the container when the filling level of the container reaches a pre-determined filling level value by means of direct or indirect flow from the inlet.

Water purification apparatus and methods for cleaning the water purification apparatus

A water purification apparatus (300) capable of being cleaned at a point of care, and methods for cleaning the water purification apparatus (300) at the point of care. The water purification apparatus (300) and the methods provide an efficient use of a heater (302) for heat disinfection the water purification apparatus (300), e.g. by recirculating heated fluid to further heat the fluid. Several different cleaning programs are provided that may be utilized for cleaning different parts of the water purification apparatus (300).

DIALYZER COMPRISING A FLUORINE-CONTAINING HOLLOW FIBER MEMBRANE

The invention relates to a method for manufacturing a dialysis filter comprising fluorine-containing hollow fiber membranes, the fluorine-containing hollow fiber membranes being made by a method comprising at least steps (A) to (C): (A) preparing a spinning solution comprising an aprotic solvent, a hydrophobic base polymer, a hydrophilic polymer, and a fluorine-comprising surface modifying macromolecule in a concentration less than 1.12% w/w; (B) extruding said spinning solution from an outer annular orifice through a tube-in-orifice spinneret into an aqueous solution, and (C) isolating the formed hollow fiber membrane,
characterized in that the manufacturing of the dialysis filter comprises a steam sterilization procedure. The invention is further related to dialysis filter comprising a fluorine-containing hollow fiber membrane comprising a hydrophobic base polymer, a hydrophilic polymer and a fluorine-comprising surface modifying macromolecule in a concentration less than 3.6% w/w, based on the total weight of the fluorine-containing hollow fiber membrane.

DEVICES, SYSTEMS, AND METHODS FOR DISINFECTING AIR CONTAINING VIRUSES, BACTERIA, OR OTHER CONTAMINANTS
20210353897 · 2021-11-18 ·

An apparatus used to disinfect viruses/bacteria contaminated exhaust air from devices, such as ventilators, CPAP, APAP, VPAP auto, BiPAO, ECMO, and also devices for air filtration used in cars, buildings, ships, planes, etc. is disclosed in this document. A heat source is used to burn the contaminated air at elevated temperatures, such as 100° C., 500° C., 1,000° C., and/or even more, in a confined environment to inactivate/destroy viruses/bacteria carried in the air. The heat sources can be, but not limited to, electrical, gases, infrared, microwave, and Ultraviolet (UV). After disinfection, the exhaust air from the apparatus is then released to the ambient environment, or to the next chamber for further treatment.

System and method for peritoneal dialysis exchanges having reusable energizing unit

A peritoneal dialysis system includes (i) a fill container, and (ii) an energizing unit that removably accepts the fill container, the energizing unit including a sterilization source so configured and arranged relative to the fill container when accepted by the energizing unit to place fluid within the fill container in a physiologically safe condition for delivery to the peritoneal cavity of a patient.