Environmental sample collection and membrane testing device

Details Environmental sample collection and membrane testing device Environmental sample collection and membrane testing device

1997-07-15

1999-12-07

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Optical result

With claimed manipulation of container to effect reaction or...

436177, 422 58, 422 61, 422100, 422102, G01N 3348

Patent

active

059982144

ABSTRACT:
An apparatus for collecting fluids and holding samples taken from the fluid for qualitative and quantitative testing. The apparatus comprises a tubular container open at both ends with a quantitative test storage unit removably secured to one of said tubular container ends. The quantitative test storage unit has an open end, a cytology membrane mounted in the storage unit and a retaining rib. A shuttle assembly is slidably mounted in the tubular container comprising a cylindrical hollow piston defining a chamber, a thumb cover covering one end of the piston and a fluid flow aperture formed in the piston and a qualitative sample container assembly removably secured to the piston. The qualitative sample container assembly comprises a clip on membrane assembly including a membrane containing immobilized antibodies and a filter housing mounted to the clip on membrane assembly. The filter housing is adapted to be seated in the quantitative test storage unit after being slidably transported along the tubular container by the piston.

REFERENCES:
patent: 3846077 (1974-11-01), Ohringer
patent: 4953561 (1990-09-01), Guirguis
patent: 4973450 (1990-11-01), Schluter
patent: 5077012 (1991-12-01), Guirguis
patent: 5358690 (1994-10-01), Guirguis

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