Non-axial return spring for safety needle

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...

Reexamination Certificate

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C604S195000, C604S138000

Reexamination Certificate

active

07824378

ABSTRACT:
A needle safety device is provided having a housing, a needle assembly movably mounted within the housing and a spring for biasing the needle assembly within the housing. The needle assembly is movable along a first axis and the spring is movable along the second axis different from the first. There is also provided a lens for enhancing visualization of the flow of fluid through the needle safety device. There is further provided a safety sheath for covering a needle of the needle assembly and restraining the needle assembly against movement due to the bias of the spring.

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