Collapsible inhaler spacer

Abstract

A collapsible spacer for use with a metered-dose-inhaler (MDI) medicament cartridge the spacer being movable between an expanded configuration for operation of the spacer and a collapsed configuration for transport or storage of the spacer. The spacer includes: an internal chamber for receiving a medicament dose when the spacer is in the expanded configuration and a cartridge dock for, in use, engaging with an MDI cartridge and permitting delivery of a medicament dose from the MDI cartridge to the internal chamber. The spacer further includes a mouthpiece permitting inhalation of a medicament dose from the internal chamber and a storage volume configured to accommodate the cartridge dock and an MDI cartridge. The cartridge dock is retractable into the storage volume in a retraction direction to store the MDI cartridge within the storage volume whilst maintaining engagement between the MDI cartridge and the cartridge dock. The cartridge dock is configured to receive and engage with the MDI cartridge in a cartridge orientation that is not aligned with the retraction direction.

Dependencies are inferred from the claim text.