Surgery – Instruments – Cutting – puncturing or piercing
Reexamination Certificate
2007-02-13
2007-02-13
Dawson, Glenn K. (Department: 3731)
Surgery
Instruments
Cutting, puncturing or piercing
C606S167000, C600S583000
Reexamination Certificate
active
10644652
ABSTRACT:
A one time use disposable blood sampling device comprises a case defining a shoot chamber with a lancet-exiting hole, and a lancet disposed slidably in the shoot chamber with a puncturing tip pointed to the lancet-exiting hole. The sampling device further comprises a locking and shooting structure formed of an elastic arm button and an elastic arm. The button engaging end of the elastic arm button faces a locking hole on a side wall of the case. A free end of the elastic arm engages with the locking hole in a locking state. Upon pressing of the elastic arm button, the elastic arm disengages from the locking hole, and the lancet moves under spring action inside the shoot chamber causing the elastic arm to contact a bevel. A root portion of the elastic arm is notched or has a shrink neck which causes the elastic arm to automatically self-break upon contact with the bevel.
REFERENCES:
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patent: 5133730 (1992-07-01), Biro et al.
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patent: 5873887 (1999-02-01), King et al.
patent: 6514270 (2003-02-01), Schraga
patent: 6719771 (2004-04-01), Crossman
Hamilton Brook Smith & Reynolds P.C.
Sonnett Kathleen
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