Process for producing a blood dialyzer

Details Process for producing a blood dialyzer Process for producing a blood dialyzer

1996-05-28

1998-09-29

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

81375, 156 74, 156167, 21032161, 21032171, 2103218, B32B 3100

Patent

active

058141790

ABSTRACT:
A blood dialyzer is produced by a process in which a plurality of artificial composite fibers having core portions consisting of a water-insoluble core liquid and surrounded by sheath portions consisting of a fiber-forming polymer are subjected to a removal of almost all of the core liquid; the resultant hollow fibers are bundled; the hollow fiber bundle is packed in a cylindrical case having open end; end portions of spaces left between the hollow fibers peripheries and between the hollow fibers and the inside surface of the cylindrical case are sealed with a bonding material, to fix the hollow fiber bundle to the cylindrical case at the end portions thereof; and the hollow fibers in the cylindrical case are cleaned with a cleaning liquid comprising at least one aliphatic monohydric alcohol having 3 to 8 carbon atoms.

REFERENCES:
patent: 2460282 (1949-02-01), Gardner
patent: 3228877 (1966-01-01), Mahon
patent: 5470474 (1995-11-01), Assorge et al.

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