Pre-filled retractable needle injection device

Details Pre-filled retractable needle injection device Pre-filled retractable needle injection device

2008-03-04

2008-03-04

Desanto, Matthew F. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S195000

Reexamination Certificate

active

07338469

ABSTRACT:
A needle-bearing device for injecting medicinal fluid from a pre-filled vial is provided. After use, the needle is retracted into the body of the device to prevent inadvertent contact with the sharpened end of the needle. In one embodiment, the invention provides a manually actuable button that effectuates retraction of the needle after use. In another embodiment, retraction is effectuated automatically after the injection is complete.

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