Fluid sampling device with retractable 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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Details

C604S110000, C604S095040, C604S198000, C604S102001, C604S194000, C600S115000, C600S114000

Reexamination Certificate

active

07056306

ABSTRACT:
A method for withdrawing a fluid sample from a patient is disclosed comprising the steps of: a) providing a sampling device (10) having a housing (20) and a needle (40) having a sharpened tip for piercing the skin of the patient; b) withdrawing fluid from the patient into the housing; c) retracting the needle so that the sharpened tip of the needle is enclosed within the housing; and d) expelling the fluid from the housing after the needle is retracted.

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patent: 6179812 (2001-01-01), Botich et al.
Tierney et al, Current Medical & Treatment, 1999, Appleton & Lang, 38thedition, pp. 261-262.

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