Lancet for blood extraction

Details Lancet for blood extraction Lancet for blood extraction

2005-04-05

2005-04-05

Reip, David O. (Department: 3731)

Surgery

Instruments

Cutting, puncturing or piercing

Reexamination Certificate

active

06875223

ABSTRACT:
A lancet for the extraction of blood includes a base portion of plastics material, a lancet needle of a metallic material held in the base portion and having a pointed end section protruding from the base portion, a head portion of plastics material integrally connected to the base portion by a preset breaking zone, and cooperating cam means on the base and head portions. The head portion can be removed from the base portion thereby exposing the pointed end section of the lancet needle by exerting a rotational force to one of the base and head portions relative to the other. The lancet needle is embedded in the head portion prior to the removal thereof. The cam means comprises pairs of cooperating cam sections on the base and head portions engaging with each other upon relative rotation between these portions for creating an axial movement of the head portion relative to the base portion thereby causing a rupture of the preset breaking zone.

REFERENCES:
patent: 3358689 (1967-12-01), Higgins
patent: 20020151920 (2002-10-01), Marshall et al.
patent: 197 18 081 (1998-11-01), None
patent: 0 589 186 (1994-03-01), None
patent: 2 352 403 (2001-01-01), None
patent: WO 9602189 (1996-02-01), None
patent: 9927855 (1999-06-01), None

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