Patent ID: 7083599

Claim:
A delivery device for use in injecting medical substances into the skin of an animal, comprising: a prefillable container adapted for storing a medical substance; a needle cannula attached to said delivery device and having a forward tip extending away from said delivery device; a hub portion secured around said needle cannula; a limiter portion surrounding said needle cannula and extending away from said hub portion toward said forward tip of said needle cannula, said limiter portion including a generally flat skin engaging surface extending in a plane generally perpendicular to an axis of said needle cannula and being adapted to be received against skin of an animal to administer an intradermal injection of the substance, said forward tip extending beyond said skin engaging surface length of approximately 0.5 mm to approximately 3 mm, wherein said limiter portion limits penetration of said needle cannula into the dermis layer of the skin of the animal thereby injecting substance into the dermis layer of the animal; wherein said hub portion defines a locator for said limiter thereby positioning said limiter upon said device; and an enclosure means for concealing said needle cannula after administering said intradermal injection.