Retractable hypodermic needle

Details Retractable hypodermic needle Retractable hypodermic needle

2004-12-15

2008-12-16

Lucchesi, Nicholas D (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S198000

Reexamination Certificate

active

07465294

ABSTRACT:
A needle assembly includes a sheath into which a hypodermic needle is withdrawn in a protected position. Installation of the needle assembly onto a Luer lock causes the needle to be thrust forward out of the sheath. A spring urges the needle to the withdrawn position. An elastomeric ball in the needle assembly provides sealing.

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patent: 6364869 (2002-04-01), Bonaldo
patent: 2002/0045843 (2002-04-01), Barker et al.
patent: 2002/0103499 (2002-08-01), Perez et al.
patent: 2003/0236501 (2003-12-01), Donnan et al.
patent: 2004/0138619 (2004-07-01), Kiehne

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