Prefillable intradermal delivery device
First Claim
1. 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.
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Accused Products
Abstract
An intradermal delivery device for use in intradermally injecting substances into the skin of an animal includes a needle cannula supported by a hub portion that is attachable to a prefillable container. A limiter portion surrounds the needle cannula and extends away from the hub portion toward a forward tip of the needle cannula. The limiter portion includes a skin engaging surface extending in a plane generally perpendicular to an axis of the needle cannula. The skin engaging surface is received against skin of an animal to administer an intradermal injection. The forward tip extends beyond the skin engaging surface a distance that enables penetration of the needle cannula into the dermis layer of the skin of the animal enabling injection of the substance into the dermis layer of the animal. The device includes enclosure means that is moveable for concealing the needle cannula after the injection has been administered.
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Citations
30 Claims
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1. A delivery device for use in injecting medical substances into the skin of an animal, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An intradermal delivery device for injecting substances into the skin of an animal, comprising:
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a prefillable container having a reservoir adapted to contain a selected substance and an outlet port that allows the substance to be expelled from said reservoir during an injection; a needle cannula in fluid communication with said outlet port and having a forward tip adapted to penetrate the skin of an animal; a limiter surrounding said needle and having a generally flat skin engaging surface extending in a plane generally perpendicular to an axis of said needle cannula adapted to be placed against the skin of the animal to administer an intradermal injection of the substance, said needle forward tip extending away from the said skin engaging surface from approximately 0.5 mm to approximately 3 mm such that said limiter limits penetration of said forward tip into the dermis layer of the skin of the animal thereby injecting the substance into the dermis layer of the animal; and an enclosure means moveable to conceal said needle cannula. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification