Inhalation device

Details Inhalation device Inhalation device

2001-12-13

2004-09-21

Lewis, Aaron J. (Department: 3761)

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

C128S203210

Reexamination Certificate

active

06792945

ABSTRACT:

FIELD AND BACKGROUND OF THE INVENTION
This invention relates to an inhalation device by means of which a user can inhale medicament in the form of a powder.
Inhalation devices are known for use with blister packs in which the medicament is held in powder form in the blisters thereof. Such devices include a puncturing member which punctures each blister in turn, thus enabling the medicament to be inhaled therefrom. It is an object of the present invention to provide an inhalation device the design of which has the potential, if desired, to handle a medicament pack having a large number of discrete unit doses, without the device becoming unacceptably large.
BRIEF SUMMARY OF THE INVENTION
According to the present invention there is provided an inhalation device for use with a medicament pack in which at least one container for medicament in powder form is defined between two members peelably secured to one another, the device comprising means defining an opening station for the said at least one container; means for peeling the members apart at the opening station to open the container; and an outlet, communicating with the opened container, through which a user can inhale medicament in powder form from the opened container.
Preferably the medicament pack is formed from two elongate sheets which define a plurality of medicament containers spaced along the length thereof, means being provided for indexing each container in turn to the opening station.
The invention also provides a medicament pack for use in an inhalation device, the pack comprising an elongate strip formed from a base sheet having a plurality of recesses spaced along its length and a lid sheet hermetically but peelably sealed thereto to define a plurality of containers, each container having therein inhalable medicament in powder form. The strip is preferably sufficiently flexible to be wound into a roll.


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