Multi-ribbed septa, vials, and vial assemblies for particulate delivery devices

A vial assembly, comprising:

• a vial comprising a particulate material and a neck region, the neck region including a first width;
• a needle comprising at least one port and configured for receipt in the neck region;
• and
• a septum configured to receive the needle and for sealing the vial assembly and the needle, the septum comprising:
• a top surface;
• a bottom surface disposed opposite the top surface;
• a radially extending outer side surface disposed between the top surface and the bottom surface;
• a plurality of ribs disposed on the top surface;
• a plurality of valleys, each valley disposed between to space apart at least two ribs of the plurality of ribs;
• the plurality of ribs comprising at least an interior first rib, an intermediate rib, and an exterior outer rib;
• and
• the interior first rib comprising an outer wall, the outer wall configured to radially compress against an interior wall of the neck region of the vial, the outer wall comprising a height that is greater than a height of the intermediate rib and the exterior outer rib.

A vial comprising:

• a particulate material;
• a neck region including a first width;
• and
• a septum, the septum comprising:
• a top surface;
• a bottom surface disposed opposite the top surface;
• a radially extending outer side surface disposed between the top surface and the bottom surface;
• a plurality of ribs disposed on the top surface;
• a plurality of valleys, each valley disposed between to space apart at least two ribs of the plurality of ribs;
• the plurality of ribs comprising at least an interior first rib, an intermediate rib, and an exterior outer rib;
• and
• the interior first rib comprising an outer wall, the outer wall configured to radially compress against an interior wall of the neck region of the vial, the outer wall comprising a height that is greater than a height of the intermediate rib and the exterior outer rib.