A fluid pumping system may comprise a pump and a fluid line state detector having, a receptacle, at sensor, and an illuminator. The system may further comprise a fluid transfer set including an output line for mating into the receptacle. The system may further comprise a controller in data communication with the fluid line state detector configured to power the illuminator and monitor an output signal of the sensor when the outlet line is in the receptacle to determine a dry tube light intensity value. The controller may be further configured to govern operation of the pump to prime the output line with fluid. The controller may be further configured to power the illuminator, monitor the output signal, and halt operation of the pump when the output signal indicates the light intensity value has dropped below a primed line threshold which is dependent upon the dry tube intensity value.

A processing system includes a processor including a separator, a set configured to cooperate with the separator to separate whole blood into plasma and other components, the set including an inlet line attachable to a patient to receive whole blood and an return line attachable to a patient to return processed fluid, and a source of replacement fluid connected to the disposable set, the processor configured to combine the other components with replacement fluid to define the processed fluid. The processor includes a controller and an input device coupled to the controller, the controller configured to receive an input via the input device, the input representing a volume of replacement fluid, and to control the processor to separate whole blood passing through the set and to combine the other components with the replacement fluid according to the input until the source of replacement fluid is empty.

A fluid handling cassette, such as that useable with an automated peritoneal dialysis (APD) cycler device or other infusion apparatus, may include a generally planar body having at least one pump chamber formed as a depression in a first side of the body and a plurality of flowpaths for a fluid that includes a channel. A patient line port may be arranged for connection to a patient line and be in fluid communication with the at least one pump chamber via at least a first one of said flowpaths, and an optional membrane may be attached to the first side of the body over the at least one pump chamber. In one embodiment, the membrane may have a pump chamber portion with an unstressed shape that generally conforms to the depression of the at least one pump chamber in the body and is arranged to be movable for movement of the fluid in a useable space of the at least one pump chamber. One or more spacers may be provided in the at least one pump chamber to prevent the membrane from contacting an inner wall of the at least one pump chamber. The patient line, a drain line, and/or a heater bag line may be positioned to be separately occludable in relation to one or more solution lines that are connectable to the cassette.

A method of collecting plasma includes receiving donor parameters at a controller of a plasma collection device electronically from a donor management system. The method includes storing a target volume for raw plasma which is based at least in part on donor height and weight used to calculate total donor blood volume, the target volume for raw plasma based on the total donor blood volume. The method includes setting the target volume for raw plasma and controlling the plasma collection device to operate draw and return phases to withdraw whole blood from a donor and separate the whole blood into the plasma product and a second blood component comprising red blood cells and to return the second blood component to the donor. The controller operates the draw and return phases until a volume of raw plasma in the collection container equals the target volume of raw plasma.

Ambulatory medical devices, which includes ambulatory medicament pumps, and blood glucose control systems that provide therapy to a subject, such as blood glucose control, are disclosed. Disclosed systems and devices can implement one or more features that improve the user experience, such as prompting and/or facilitating the user to order additional infusion sets, sensors, and/or other components to facilitate treatment.

A hemodialysis machine comprising a dialysate flow path for delivering a flow of dialysate solution through a dialyser, the flow path including a flow balancer for achieving a balance in the dialysate solution flow volume observed between an inlet and an outlet of the dialyser over the course of a treatment, the flow balancer comprising a first flow balance pump having an inlet valve and an outlet valve and a second flow balance pump having an inlet valve and an outlet valve, wherein the flow path further includes a flow restrictor means downstream of the flow balance pumps to reduce the pressure difference across the valves in the dialysate flow path.

A system for controlling the position of a diaphragm in a diaphragm-containing pressure pod, is provided. The system can include a peristaltic pump, a pressure pod having a flow-through fluid side and a gas side that are separated by a diaphragm, and a pressure sensor operatively connected to the gas side. The pressure sensor is configured to sense pulses of pressure resulting from movement of the diaphragm and caused by the action of the peristaltic pump. A gas source and a valve can be in fluid communication with the gas side of the pressure pod and can be configured to provide gas to, or vent gas from, the gas side. A controller receives pressure signals from the pressure sensor and controls the valve in response, and in so doing, controls the position of the diaphragm. Methods for positioning the diaphragm are also included.

A case for an electronic cigarette vaporiser, the case including an automatic lifting mechanism that lifts the vaporiser up a few mm from the case to enable a user to easily grasp the vaporiser and withdraw it from the case. The lifting mechanism can be spring- based. The case both re-fills the vaporiser with liquid and also re-charges a battery in the vaporiser.

A dialysis method to enable a patient to undergo both peritoneal dialysis and extracorporeal blood treatments is disclosed. The method includes determining, via a base unit controller, whether a peritoneal dialysis treatment or an extracorporeal blood treatment is to be performed. If the peritoneal dialysis treatment is to be performed, the method includes operating first software instructions that cause a base unit to use a first fluid stored in a fluid container. If the extracorporeal blood treatment is to be performed, the method includes operating second software instructions that cause the base unit to use a second, different fluid from an online source and selectively move the second, different fluid to a blood treatment unit for use in the extracorporeal blood treatment. The blood treatment unit is operable with the base unit to perform the extracorporeal blood treatment on a patient.

A medical fluid system includes a container holding a fluid at a level; and a radio frequency level sensor operably connected to the container and including an emitting electrode and a receiving electrode, the electrodes operating as a transmission line having an electrical impedance that varies with the level or volume of the fluid in the container, the level sensor configured to measure a phase shift of the transmission line, the phase shift indicative of the level or volume of the fluid in the container.