Selective separation filter device

Details Selective separation filter device Selective separation filter device

1994-10-31

1997-02-11

Reifsnyder, David A.

Liquid purification or separation

With repair or assembling means

Hoist or handle means

210232, 2103232, 210335, 2103601, 210513, 210520, 422 72, 422101, B01D 2700, B01D 2126

Patent

active

056017111

ABSTRACT:
A filter device or apparatus is provided for the separation of materials, especially biomaterials from a fluid sample, under a force such as centrifugation, positive pressure, vacuum, or gravity. The device comprises two or more in-line tubular elements, one or more of which is a module that houses a filter media. The elements have complementary connection structures (e.g., elastomeric seal, O-ring, threads, Luer fittings, compression fittings, bayonet fittings, snap fittings, and the like) such that they can be assembled or reassembled in a train to form a conduit structure for leak-proof passage of a fluid sample volume. The assembly can be disassembled for collection and processing of retentate and filtrate material resulting from the filtration.

REFERENCES:
patent: 4228012 (1990-10-01), Pall
patent: 4522713 (1985-06-01), Nussbaumer et al.
patent: 4632761 (1986-12-01), Bowers et al.
patent: 4636361 (1987-01-01), Marian et al.
patent: 4755301 (1988-07-01), Bowers et al.
patent: 4824560 (1989-04-01), Alspector
patent: 5124041 (1992-06-01), Sheer et al.
patent: 5171533 (1992-12-01), Fine et al.

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