Automatic safe disposable blood sampling device of casing...

Details Automatic safe disposable blood sampling device of casing... Automatic safe disposable blood sampling device of casing...

2008-01-29

2008-01-29

Dawson, Glenn K. (Department: 3731)

Surgery

Instruments

Cutting, puncturing or piercing

C606S167000, C606S182000, C600S583000

Reexamination Certificate

active

07322997

ABSTRACT:
An automatic safe disposable blood sampling device includes a casing with a launching chamber formed therein. The launching chamber has a lancet needle-exiting hole at a front end thereof; a lancet needle arranged inside the launching chamber; a spring; a launching mechanism composed of the spring and a catch-launching mechanism; a press-launching mechanism provided on the casing; and a self-locking mechanism composed of barbs provided on the press-launching mechanism and self-locking hooks or notches provided on the casing which engage corresponding barbs. When pressed, the press-launching mechanism triggers the catch-launching mechanism, to disengage the lancet needle from the casing. The spring pushes the lancet needle so as to launch the lancet needle. During forward movement of the press-launching mechanism, the barbs pass across the self-locking hooks or notches. In the process of retraction, the barbs are locked with the self-locking hooks or notches and cannot return to their initial states.

REFERENCES:
patent: 6053930 (2000-04-01), Ruppert
patent: 6136013 (2000-10-01), Marshall et al.
patent: 2486104 (2002-04-01), None
patent: 24286104 (2002-04-01), None
patent: 200420025752.5 (2005-03-01), None

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