US 12,329,949 B2
Cartridge devices for administration of a medicament
Jeffrey Gjertsen, Cedar Park, TX (US); and Timothy Sullivan, Austin, TX (US)
Assigned to Zeteo BioMedical, LLC, Austin, TX (US)
Filed by ZETEO Biomedical, LLC, Austin, TX (US)
Filed on May 22, 2021, as Appl. No. 17/327,683.
Claims priority of provisional application 63/029,612, filed on May 25, 2020.
Prior Publication US 2021/0361879 A1, Nov. 25, 2021
Int. Cl. A61M 5/315 (2006.01); A61M 5/19 (2006.01); A61M 5/24 (2006.01)
CPC A61M 5/31585 (2013.01) [A61M 5/19 (2013.01); A61M 5/24 (2013.01); A61M 5/31505 (2013.01); A61M 5/31526 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A handheld assembly (200) for dispensing a medicament (235) to a subject, the assembly comprising:
a shell (210) housing at least partially a dispense button (240), a drive member in communication with the dispense button, a plunger (220), and rotatable escapement member (260) having at least one ramp surface (270);
a unit dose cartridge (510) comprising more than one cylindrical blister chambers (511) each configured to house a unit dose form (230) wherein each unit dose form contains a medicament;
wherein the shell further comprises a cartridge alignment channel (267) open on opposite ends and configured to slidably accept the unit dose cartridge; and
wherein depressing the dispense button causes the drive member to translate along a ramp of the plunger escapement member extending the plunger to express the unit dose form.