US 12,409,276 B2
Dead end container and container assembly with dead end container
Arne Kloke, St. Gallen (CH); Anil-Kumar Busimi, St. Gallen (CH); and Dominique Bauert, St. Gallen (CH)
Assigned to SCHOTT PHARMA SCHWEIZ AG, St. Gallen (CH)
Filed by SCHOTT PHARMA SCHWEIZ AG, St. Gallen (CH)
Filed on Sep. 3, 2020, as Appl. No. 17/011,676.
Claims priority of application No. 19195405 (EP), filed on Sep. 4, 2019.
Prior Publication US 2021/0060256 A1, Mar. 4, 2021
Int. Cl. A61M 5/31 (2006.01); A61M 5/315 (2006.01)
CPC A61M 5/3134 (2013.01) [A61M 5/31513 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A container for accommodating pharmaceutical compositions, the container comprising:
a hollow cylindrical body having an open end and a dead end opposite to the open end,
the open end being configured to receive a plunger that is slidable relative to the hollow cylindrical body from the open end towards the dead end;
a bottom portion closing the dead end, the hollow cylindrical body and the bottom portion being formed integrally and of a common material, the common material comprises glass or polymer;
a curved heel between the bottom portion and the hollow cylindrical body,
wherein the curved heel is defined by an outer radius (ro) in mm, an inner radius (ri) in mm, and a thickness (dh) in mm in a center portion of the curved heel, and
wherein the curved heel fulfills: ri+dh−ro>0.1 mm; and
a burst pressure of at least 110% compared to a comparative container which only differs from the container in that the comparative container does not fulfill ri+dh−ro>0 mm.