JPWO2021079341A5 - - Google Patents

Claims (17)

An inhaler article for use in an inhaler system for providing dry powder to the lungs of a user, the inhaler article comprising:
a body extending along a longitudinal axis from a mouthpiece end to a distal end;
a capsule cavity defined within said body and bounded downstream by a filter element and upstream and distally by a deformable element, said deformable element being deformed by folding onto itself; a capsule cavity defining an open opening to form an open distal end, through which the inhaler article can receive swirling or rotating inhalation airflow during consumption;
an inhaler article comprising: a capsule disposed within the capsule cavity and containing a dry powder. The inhaler article of claim 1, wherein the deformable element is folded at the distal end of the body. 3. The inhaler article of claim 2, wherein the deformable element is fan-folded at the distal end of the body. 2. The inhaler article of claim 1, wherein the folded section of the deformable element is folded upon itself to define an open opening and receive a swirling or rotating inhalation airflow. An inhaler article according to any preceding claim, wherein the upstream boundary of the capsule cavity is defined by the deformable element forming a closed end of the inhaler article. An inhaler article according to any preceding claim, wherein the upstream boundary of the capsule cavity is defined by the deformable element forming an open end of the inhaler article. An inhaler article according to any preceding claim, wherein at least part of the deformable element is formed of paper. An inhaler article according to any preceding claim, wherein the deformable element defines at least a portion of a longitudinal sidewall of the capsule cavity. An inhaler article according to any preceding claim, wherein the deformable element defines the majority of the capsule cavity. An inhaler article according to any preceding claim, further comprising a wrapping layer surrounding the filter element and the deformable element. 11. The inhaler article of claim 10, wherein the wrapping layer joins the filter element and the deformable element. 12. An inhaler article according to claim 10 or claim 11, wherein the deformable element extends beyond the wrapping layer. 13. The inhaler article of claim 12, wherein the deformable element extends beyond the wrapping layer in the range of about 0.5 mm to about 5 mm, or about 1 mm to about 4 mm, or about 2 mm to about 3 mm. Inhaler according to any of claims 1 to 13, wherein the capsule contains pharmaceutically active particles. An inhaler system, the inhaler system comprising:
An inhaler article according to any one of claims 1 to 14,
An inhaler system comprising: a holder for an inhaler article, the holder configured to provide a swirling or rotating inhalation airflow to the inhaler article. the holder comprising a sleeve configured to retain the inhaler article within the housing cavity, the sleeve comprising a sleeve cavity and moving within the housing cavity along a longitudinal axis of the housing; the sleeve comprises a first open end and a second opposing end, the second opposing end of the sleeve being configured to allow air to enter the sleeve cavity;
The second opposing end of the sleeve includes a sleeve tubular element extending into the sleeve cavity, the sleeve tubular element passing through the deformable element of the inhaler article and displacing the inhaler into the sleeve. 16. The inhaler system of claim 15, configured to secure an article. 17. The inhaler system of claim 16, wherein the sleeve tubular element forms the upstream boundary of the capsule cavity.