Patent ID: 9474870
Filing Date: 2016-10-25
CPC Classification: A61M

Claim Text:
1. A dry powder inhalation device comprising: a chamber; a patient port in communication with said chamber; an elongate carrier preloaded with a plurality of doses of finely divided powder comprising a biologically active substance, said powder being releasably retained on a surface of the carrier; an advancement mechanism for advancing a portion of the carrier to within the chamber so that the powder associated with an advanced area of the carrier can be released from the carrier for inhalation by the patient through the patient port; a first clamping system and a second clamping system; and a hammer configured to strike the portion of the carrier within the chamber to release at least some of the powder from the carrier, wherein the first and second clamping systems are configured and arranged such that they are moved into a clamping configuration at least prior to release of the powder associated with said area of the carrier, so that said area of the carrier will be clamped between the first and the second clamping systems during release of the powder associated with said area of the carrier, and wherein at least one of the first and second clamping systems comprises a seal.