The present disclosure provides an aerosol precursor consumable, and an aerosol delivery device that comprises a control unit that defines a receiving chamber, and a removable and replaceable aerosol precursor consumable, at least a portion of the consumable configured to be received into the receiving chamber. The aerosol precursor consumable comprises a housing defining an outer wall, an aerosol precursor composition reservoir located in the housing and configured to contain an aerosol precursor composition, an atomizer located in the housing, and at least one aroma diffuser. The atomizer is configured to vaporize the aerosol precursor composition to generate an aerosol for oral delivery to a user, and the at least one aroma diffuser is configured to diffuse an aroma composition for olfactory delivery to the user.

A peritoneal dialysis (“PD”) system includes a cycler having a micropump actuator, a pressure transducer, and at least one valve actuator; a disposable set including a micropump head sized and shaped for mating with and being driven by the micropump actuator, a pressure sensor configured to operably communicate with the pressure transducer, and at least one fluid valve portion or a portion of at least one fluid line for interfacing with the at least one valve actuator; and a control unit, wherein the disposable set may be arranged to allow, and the control unit may be programmed to operate the micropump actuator and the at least one valve actuator, so that fresh and used dialysis fluid flows through the micropump head in a same direction. The system may also dampen pressure fluctuations via pressure pods, and may analyze the outputs from the pressure pods for patient empty and occlusion detection.

An aerosol provision system including a vaporizer for generating a vapor from an aerosolizable material, and an electrode for receiving electrical power. The aerosol provision system also includes a resilient element, electrically connected to the vaporizer and the electrode, for transferring the electrical power between the electrode and the vaporizer. The aerosol provision system may include a cartridge and a control unit, wherein the electrode, the vaporizer, and the resilient element are located in the cartridge. The control unit may include a power supply for delivering electrical power to the electrode for powering the vaporizer.

A non-nicotine e-vaping device includes a heater, a power control circuit, and a memory module. The heater element is configured to heat a non-nicotine pre-vapor formulation, the non-nicotine pre-vapor formulation being devoid of nicotine and including at least one non-nicotine compound. The power control circuit is coupled to the heater element through a wire. The power control circuit is configured to apply a pulse width modulated power signal to the heater element through the wire, and to receive information over the wire. The memory module is configured to detect a plurality of pulses in the pulse width modulated power signal, record information based on the detected plurality of pulses, and output the recorded information to the power control circuit via the wire.

Described are fluid pumping and fluid handling systems, which may be suitable for use in medical devices, such as artificial or extracorporeal blood pumping systems. The systems can include a dual housing configuration for pneumatic actuation comprising a main housing containing a pump cassette comprising a pneumatically actuated pump and pneumatically actuated valves. The pump can include a pump actuation chamber and pump pneumatic port, and the valves can each include a valve actuation chamber and valve pneumatic port. Connecting tubes can be used to fluidly connect the pump actuation ports and valve actuation ports to a tube-support housing having a first side receiving one end of each connecting tube and a second side providing a pneumatic interface arranged to connect to an array of pneumatic receptacles on a base unit of the system to facilitate easy, compact and accurate pneumatic interconnection between the pump cassette and the base unit.

A capsule for an aerosol-generating device may include a housing, a filter, and an aerosol-forming substrate. The housing may have a gas-permeable end and an impermeable end. The filter may be disposed within the housing so as to be adjacent to the impermeable end. The aerosol-forming substrate may be disposed within the housing so as to be between the filter and the gas-permeable end. The housing may be configured to facilitate a heating of the aerosol-forming substrate via one of conduction, convection, or both conduction and convection so as to generate an aerosol.

A dialysis fluid apparatus includes a flexible dialysis fluid container, a holder structured such that the flexible dialysis fluid container is held vertically within the holder and conforms to a shape of the holder, a pressure sensor positioned and arranged to sense a pressure of a fluid held within the flexible dialysis fluid container, and a control unit configured to (i) store at least one cross-sectional area of the flexible dialysis fluid container, (ii) calculate a head height using the pressure of the fluid held within the flexible dialysis fluid container, and (iii) calculate a volume of the fluid held within the flexible dialysis fluid container using the cross-sectional area and the head height.

A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.

A capsule for an aerosol-generating device may include a housing, a filter, and an aerosol-forming substrate. The housing may have a gas-permeable end and an impermeable end. The filter may be disposed within the housing so as to be adjacent to the impermeable end. The aerosol-forming substrate may be disposed within the housing so as to be between the filter and the gas-permeable end. The housing may be configured to facilitate a heating of the aerosol-forming substrate via one of conduction, convection, or both conduction and convection so as to generate an aerosol.

A respiratory ventilation apparatus configured to deliver a respiratory gas to a patient interface is provided. The apparatus may include a gas pressurization unit configured to generate a pressurized respiratory gas, a gas inlet port configured to introduce the respiratory gas into the respiratory ventilation apparatus, a gas outlet port configured to discharge the pressurized respiratory gas to a respiration tube, a detection module configured to detect the pressure of the pressurized respiratory gas, at least one non-volatile memory configured to store a plurality of parameters and a plurality of programs, and one or more controllers. The one or more controllers may be configured to initiate the respiratory ventilation apparatus upon a boot operation, and/or initiate a program that constantly reads information from the detection module, and controls the pressure of the pressurized respiratory gas using the information read from the detection module and at least one parameter.