Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or...
Patent
1999-02-08
1999-11-09
Redding, David A.
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
4352876, 436807, 356246, C12Q 100
Patent
active
059811692
ABSTRACT:
In a cuvette for performing a diagnostic test on a specimen, a base defines a first chamber for receiving a reagent, and a second chamber for receiving a test specimen. The second chamber is defined by four side surfaces forming a rectangular configuration, and a base surface extending between the side surfaces. The base surface defines a frangible wall which is breakable in order to place the first chamber in fluid communication with the second chamber. A cover is coupled to the base and is moveable between an open position spaced away from the second chamber for permitting introduction of the specimen into the second chamber, and a closed position overlying and enclosing the second chamber. A self-aligning piercing member is provided on the cover and defines a tip engageable with the base surface of the second chamber upon movement of the cover into the closed position to thereby break the frangible wall, and in turn allow the test specimen to mix with the reagent in the second chamber. The piercing member also defines at least two alignment surfaces spaced inwardly from the tip and on opposite sides of the piercing member relative to each other. The alignment surfaces slidably contact the side walls of the second chamber upon movement of the cover to the closed position to thereby align the cover with the base.
REFERENCES:
patent: 3454177 (1969-07-01), Bloom
patent: 3582283 (1971-06-01), Mirasol
patent: 4076592 (1978-02-01), Bradley
patent: 4654127 (1987-03-01), Baker et al.
patent: 5128104 (1992-07-01), Murphy et al.
Antoci Frank
Hennessy James
CDC Technologies, Inc.
Redding David A.
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