Safety pre-filled cartridge injector

Details Safety pre-filled cartridge injector Safety pre-filled cartridge injector

2006-02-28

2006-02-28

Kennedy, Sharon (Department: 3762)

Surgery

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

Treating material introduced into or removed from body...

C604S110000

Reexamination Certificate

active

07004929

ABSTRACT:
A device is provided for injecting fluid from a pre-filled cartridge. The device includes a needle and a hollow barrel that holds a pre-filled cartridge. A needle retainer releasably retains the needle in an extended position so the needle can be inserted into a patient. A plunger in the rear of the barrel cooperates with the cartridge to expel fluid from the cartridge during an injection. After an injection, the needle is automatically retracted into the barrel when pressure is released from the plunger. A locking mechanism locks the contaminated needle and cartridge in the barrel after needle retraction. After use, the device may be safely disposed of in a sharps container.

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