Porous film and absorptive structure

Details Porous film and absorptive structure Porous film and absorptive structure

1984-07-02

1986-11-11

Kight, John

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

604369, 604370, 604372, 604378, 604379, 604380, 604381, 604382, 4283142, 4283157, 4283159, A61F 1316

Patent

active

046220364

ABSTRACT:
An absorptive structure for absorbing and containing fluids from a source exterior of said structure comprising a topsheet, an absorbent element and a back sheet, wherein said topsheet is a liquid permeable material formed from particles of non-dissolvable polymeric materials partially fused together to form a continuous sheet and has a multiplicity of openings therein of a predetermined size and shape so as to direct fluid flow into the absorbent element and inhibit fluid flow from the absorbent element through the topsheet, and said back sheet is impervious to liquids.

REFERENCES:
patent: 3929135 (1975-12-01), Thompson
patent: 4000028 (1976-12-01), Hoey
patent: 4054141 (1977-10-01), Schwaiger et al.
patent: 4145464 (1979-03-01), McConnell et al.

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