Patent ID: 9550027
Date: 2017-01-24
CPC Classifications: A61M,Y10T

Claim:
1. A needle guard for a medical cartridge, comprising: a body having a proximal end, a distal end, and a cavity configured for receiving a medical cartridge; and a plunger locking mechanism attachable to the proximal end of the body for preventing access to the contents of a medical cartridge received in the body, the plunger locking mechanism including a flange with an aperture formed on an edge of the flange that, when a medical cartridge is received within the cavity of the body, is configured to allow the plunger shaft to slide within the aperture, while preventing the plunger from being proximally removed from a cartridge barrel of a medical cartridge, and that is configured to laterally receive the plunger shaft; wherein the plunger locking mechanism is attached to the proximal end of the body by mating at least one pair of opposing tab slots disposed on the proximal end of the body with at least one pair of opposing tabs disposed on the plunger locking mechanism.