Device for differentiating the source of occult gastro-intestina

Details Device for differentiating the source of occult gastro-intestina Device for differentiating the source of occult gastro-intestina

1991-08-05

1992-12-15

Hill, Jr., Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

128638, 128759, 2101933, 422 58, 422 61, 422 70, 436 66, 436162, 436169, 436170, 436178, 435805, G01N 2178, G01N 3372

Patent

active

051715287

ABSTRACT:
The specification discloses a fecal occult blood test device capable of determining whether the blood found during the test originated in the upper or lower gastrointestinal track. A fecal sample is applied to a test medium charged to be differentially attractive to blood components originating in the upper and lower gastrointestinal track respectively. A solvent is applied to the test specimen to cause differential migration of the blood components and an indicator is then applied to indicate the presence of the blood components, if any.

REFERENCES:
patent: 3590006 (1971-06-01), Page et al.
patent: 3714035 (1973-01-01), Jones
patent: 3963421 (1976-06-01), Jones
patent: 4438205 (1984-03-01), Saint et al.
patent: 4956308 (1990-09-01), Wells

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