Patent ID: 11957870
Assignee: BECTON, DICKINSON AND COMPANY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 6:
7. A medicament delivery device, comprising:
a body;
a reservoir disposed in the body for accommodating a medicament;
a plunger movable within the reservoir to expel medicament therefrom, the plunger having a stopper disposed at an end thereof; and
an indicator sleeve disposed at an end of the stopper and movable relative to the stopper, wherein a first portion of the indicator sleeve initially extends through the stopper, and during expelling of the medicament from the reservoir, the first portion of the indicator sleeve is configured to contact one of an end of the reservoir or a secondary stopper disposed at the end of the reservoir to move the indicator sleeve relative to the stopper, thereby indicating an end of dosage.