Intradermal injection device with medication and needle guard

Details Intradermal injection device with medication and needle guard Intradermal injection device with medication and needle guard

1992-02-27

1994-07-12

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604195, 604212, 604110, 222213, A61M 5178

Patent

active

053284836

ABSTRACT:
An intradermal injection device, comprised of a fine gauge injection needle and hub, is enveloped by an attached flexible tear-drop shaped bulb containing a reservoir, and which is itself attached to an integral sliding needle guard. The device contains a prepackaged dose of medication to be administered, which is sealed into the hub and bulb reservoir. Using the hub as a convenient handle, the needle is injected into the skin and the medication is discharged by squeezing the bulb between the thumb and forefinger; afterward the sliding needle guard is deployed by the same squeezing action. A hypodermic injection device, longer needle variation, is accomplished by a modification in the form of an extension to the bulb of a sleeve folding or invaginating over itself, allowing the integral sliding needle guard, when deployed, to extend over the longer needle.

REFERENCES:
patent: 2403074 (1946-07-01), Goldsmith
patent: 2667872 (1954-02-01), Smith
patent: 2724384 (1955-11-01), Berthiot
patent: 2935067 (1960-05-01), Bouet
patent: 3094987 (1963-06-01), Dunmire
patent: 3276632 (1966-10-01), Stanzel
patent: 4645486 (1987-02-01), Beal et al.

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