A fluid circuit for cell washing is provided that comprises a spinning membrane separator and a fluid management system comprising a cassette that defines the fluid pathways, and including internally mechanical valving, pressure sensing and air sensing for controlling flow through the fluid pathways, thus minimizing the volume of the fluid circuit. Additionally, the fluid circuit comprises syringes that are acted on by syringe pumps associated with the hardware component of the system to provide pressure for moving fluid through the circuit. Preferably, the syringes are connected directly to the cassette, or formed integrally within the cassette housing, thus further minimizing the volume of the fluid circuit.

The present invention relates to a contact protection apparatus for covering a connection point of a medical fluid-conducting cassette for a medical fluid treatment, having at least one covering device for covering the connection point before the use of the cassette, and having at least one connection section for detachably connecting or holding the contact protection apparatus on the cassette. The present invention further relates to a medical fluid-conducting cassette having at least one contact protection apparatus according to the present invention.

In one aspect, a dialysis system includes one or more tubes for transporting fluid to and from a dialysis patient, a display and one or more processors. The one or more processors are configured to determine an identity of a user of the dialysis system. Based on the determined identity of the user, the one or more processors access a user interface configuration profile associated with the user, and cause a user interface to appear on the display. The user interface includes one or more controls that, when invoked, cause the dialysis system to carry out a dialysis operation. The user interface is caused to appear on the display based at least in part on the identity of the user.

Dialysis systems comprising actuators that cooperate to perform dialysis functions and sensors that cooperate to monitor dialysis functions are disclosed. According to one aspect, such a hemodialysis system comprises a user interface model layer, a therapy layer, below the user interface model layer, and a machine layer below the therapy layer. The user interface model layer is configured to manage the state of a graphical user interface and receive inputs from a graphical user interface. The therapy layer is configured to run state machines that generate therapy commands based at least in part on the inputs from the graphical user interface. The machine layer is configured to provide commands for the actuators based on the therapy commands.

A fluid processing device includes a detection assembly having a light source, an adjustment system, and a light detector. The light source is associated with a component of the fluid processing device, provided in an initial position with respect to said component of the fluid processing device, and configured to emit a light. The adjustment system is associated with the light source and configured to adjust the position of the light source. The light detector is configured to receive at least a portion of the light from the light source and generate a signal indicative of the amount of light received by the light detector. The fluid processing device further includes a controller configured to receive the signal from the light detector and control the adjustment system to move the light source to a monitoring position based at least in part on the signal.

An irradiation device includes a fluid treatment chamber configured to receive a biological fluid container, the fluid treatment chamber having opposing first and second sides, at least one light source disposed adjacent at least one of the first and second sides of the fluid treatment chamber, and an overflow reservoir in fluid communication with the fluid treatment chamber to receive fluid leaking from the biological fluid container. The device also includes a non-contact sensor disposed adjacent the overflow reservoir and configured to generate a signal according to leaked fluid in the overflow reservoir, an indicator, and a controller coupled to the at least one light source, the non-contact sensor and the indicator, the controller configured to activate the indicator upon receipt of the signal from the sensor and to deactivate the at least one light source subsequent to receipt of the signal from the sensor.

The present disclosure relates to a blood treatment apparatus having or connected to at least one blood pump, an air bubble detector, another pump, a vibration device and a control device or closed-loop control device. The blood pump is provided for pumping blood through an extracorporeal blood circuit during a blood treatment session, during which the blood treatment apparatus is connected to the extracorporeal blood circuit and to a blood filter. The air bubble detector is provided for detecting air bubbles within the extracorporeal blood circuit. The additional pump is provided for conveying dialysis liquid and/or dialysate. The vibration device is provided and/or is suitable for causing the extracorporeal blood circuit, a section thereof, or its contents, to vibrate. The control device or closed-loop control device is provided and programmed to control the blood pump, the additional pump for conveying dialysis liquid and/or dialysate and the vibration device.

The invention relates to a method for establishing and/or monitoring foreign structures in an extracorporeal fluid or in a fluid flow, in particular in blood or a bloodstream, wherein the fluid is monitored by means of ultrasound. The method according to the invention is characterized in that the features of the fluid state established by means of the ultrasound monitoring are processed by means of a multi-criteria ultrasonic analysis. The invention furthermore relates to a device for performing this method and the use of this device.

An irradiation device includes a processing container including a first chamber, a second chamber and at least one narrow passage in fluid communication at a first end with the first chamber and at a second end with the second chamber, and a rotatable table on which the processing container is mounted, the table having a first state wherein the first chamber is disposed at a higher elevation than the second chamber, and a second state wherein the second chamber is disposed at a higher elevation than the first chamber. The irradiation device also includes ultraviolet (UV) light source disposed proximate to the narrow passage and configured to irradiate fluid passing through the narrow passage.

Dialyzer systems can consolidate multiple technologies and functionalities of blood treatment systems in a significantly integrated fashion. For example, this disclosure describes dialyzer systems that include a magnetically driven and magnetically levitating pump rotor integrated into the dialyzer. Such a dialyzer can be used with treatment modules that include a magnetic field-generating pump drive unit. In some embodiments, the dialyzers include pressure sensor chambers with flexible membranes with which corresponding pressure transducers of the treatment modules can interface to detect arterial and/or venous pressures.