Abstract: A dispenser for dispensing a product from a pressurized product container comprising a housing defining a user port and adapted to have a pressurized product container mounted therein, the pressurized product container having a dispensing valve movable relative to the container between an open and a closed position; the housing further comprising a rolling member comprising a vane, and two associated rolling surfaces, the rolling member being capable of rotation in contact with the rolling surfaces such that they translate in opposite directions relative to the rolling member in response to inhalation through the user port, the rolling member being rotatable between a locking position in which the rolling member directly or indirectly engages the pressurized product container or valve to maintain the valve in the closed position, and a release position in which the valve and the pressurized product container move relative to each other so that the valve moves to the open position to dispense product from the

Abstract: A device for the transmission of one-way torque comprising an outer annular member having a plurality of radially inwardly projecting teeth each comprising a driving surface and a cam surface, and a shaft concentrically mounted with respect to the outer annular member and comprising a plurality of drive elements each having a driving surface and a cam surface. Rotation of the shaft or outer annular member in its driving direction causes engagement of a driving surface of at least one drive element with a driving surface of at least one tooth thereby resulting in joint rotation of the shaft and outer annular member. Rotation of the shaft or outer annular member in its non-driving direction causes engagement of the cam surface of at least one drive element with the cam surface of at least one tooth resulting in additional relative movement, substantially radially, between the drive element and tooth, thereby preventing rotational movement being transmitted between the shaft and the outer annular member.

Abstract: A dry powder inhalation device comprising a housing defining a chamber in communication with a patient port in the form of a mouthpiece or nasal adaptor, and an elongate carrier bearing a powdered medicament, the device being constructed and arranged such that areas of predetermined size of the elongate carrier may sequentially be exposed within the chamber, the device comprising one or more air inlets such that when a patient inhales through the patient port an air flow is established from the air inlet(s) to the patient port through the chamber such that particles of the powdered medicament of respirable size from said exposed area of the elongate carrier are entrained within the air flow.

Abstract: A dry powder inhalation device comprising a housing defining a chamber in communication with a patient port in the form of a mouthpiece or nasal adaptor, and an elongate carrier bearing a powdered medicament, the device being constructed and arranged such that areas of predetermined size of the elongate carrier may sequentially be exposed within the chamber, the device comprising one or more air inlets such that when a patient inhales through the patient port an air flow is established from the air inlet(s) to the patient port through the chamber such that particles of the powdered medicament of respirable size from said exposed area of the elongate carrier are entrained within the air flow.

Abstract: A breath-actuated aerosol dispenser having a spring to provide the priming force which is held in a partially compressed state within a cage such that the spring applies no force to an aerosol container, valve, or triggering mechanism included in the dispenser while the dispenser is in its rest position.

Abstract: The present invention relates to a device for dislodging powder carried on the surface of a flexible sheet material. The device incorporates a resettable impactor including a head for striking the sheet material, wherein the head comprises an elongate striking surface which is curved in both planes orthoganol to the plan of the sheet material.

Abstract: An inhalation device for administration of aerosolized medicament to the respiratory system of a patient comprising a housing defining a patient port and an air inlet, the housing containing means for dispensing a dose of aerosolized medicament, an inhalation-activatable triggering mechanism for initiating the dispensing means, and reset means. The triggering mechanism comprises a vane mounted for pivotable movement between closed and open positions, the vane being positioned within the patient port such that inhalation through the patient port generates an airflow from the air inlet to the patient port causing pivotable movement of the vane. The device further includes an activator component moveable between a restrained position and a dispensing position which movement causes dispensing of medicament from the dispensing means, the activator component being biased towards its dispensing position.

Abstract: An aerosol dispenser for use with an aerosol vial. The dispenser contains an assembly that indicates the quantity of doses dispensed from or remaining in the aerosol vial. The assembly comprises a rotatable indicator comprising a circumferential rack that is engaged by a worm-gear. Reciprocal movement of an aerosol vial within the dispenser causes rotation of the worm-gear which in turn causes rotation of the rack.

Abstract: An aeorsol dispensing apparatus for dispensing a liquid under pressure as an aerosol without the use of a pre-dosed propellant, comprising a container for storing the liquid to be sprayed, spray mechanism, and a mechanism for manually introducing atmospheric air into the apparatus to generate a positive pressure therein, the spray mechanism having a nozzle by which the fluid may be dispensed and a feeder pipe to supply the nozzle with fluid to be sprayed, characterized in that the apparatus additionally comprises an intermediate spacer collar which supports the spray mechanism, and to which the container may be attached.

Abstract: An inhalation device comprising:(i) a breath-actuated inhaler comprising a medicament reservoir mounted within a housing which comprises a mouthpiece and breath-actuation means which prevents dispensing from the reservoir until a patient inhales through the mouthpiece, and,(ii) a protective casing surrounding the breath actuated inhaler, the casing comprising a body portion and a movable cover which may be displaced to allow a patient access to the mouthpiece to use the breath-actuated inhaler while it is within the casing, the breath-actuated inhaler being removable from the protective casing and operable outside the casing.

Abstract: A cartridge refill pen is provided with a cartridge refill cavity which allows a cartridge to be laterally loaded into the pan. The cavity is opened and closed on relative rotational movement of interconnected generally tubular parts of the pen.

Abstract: A device facilitating the inhalation of powdered medicaments from within a container. The device comprises a body having walls partially defining a chamber, an inlet port into the chamber for the entry of air, and a mouthpiece having a central through opening communicating with the chamber. A support member also partially defines the chamber and is manually movable relative to the body to convey a first portion of the container from (1) a first position spaced from the chamber to (2) a predetermined dispense position within the chamber with an open end of the first capsule portion uppermost so that airflow into the inlet port and through the chamber induced by suction at the mouthpiece will cause the powdered medicament in the first container portion to become entrained in the airflow; and an extractor is mounted for movement relative to the body to remove a second container portion and open the container prior to positioning of the first container portion at the dispense position.

Abstract: An inhalation activatable dispenser for use with an aerosol container in which a latch mechanism releasing vane is pivotably mounted in an air passage between an aerosol outlet valve and a mouthpiece, and the latch mechanism cannot be released if force to activate the dispenser is not applied before a patient inhales.

Abstract: A breath actuated device for the oral inhalation of medicaments in finely divided powder form, comprising a chamber (72) having one or more inlet ports for the entry of air and an outlet in direct communication with a mouthpiece (66) and positioned within the chamber, means for separating the lid and base components (62A, 62B) of a capsule (as defined herein) containing the medicament while holding the capsule substantially vertically to expose an aperture in the base component facilitating access to the powdered medicament and means for supporting the base component of the capsule containing the powdered medicament in a substantially vertical position, the inlet ports, outlet port and means for supporting the base component of the capsule being arranged such that when the device is operated by suction at the mouthpiece an air flow is established from the entry ports to the outlet port directly across the aperture in the base component of the capsule causing the particles of powdered medicament in the base co