Ostomy appliance

Details Ostomy appliance Ostomy appliance

1989-09-01

1990-11-27

Cannon, Alan

Surgery

Means and methods for collecting body fluids or waste material

Receptacle attached to or inserted within body to receive...

604277, 604332, 604336, 604337, 604338, 604342, 604344, 604317, A61M 3100, A61F 544, A61F 5448

Patent

active

049733230

ABSTRACT:
As ostomy appliance having a collection pouch and a flexible faceplate, the faceplate including an outer ring of thin, microporous sheet material and an inner ring of flexible, thermoplastic film impervious to gases and body fluids. The outer microporous ring surrounds the inner ring so that their adjacent margins overlap and are sealed to each other. The faceplate also includes a barrier ring secured to the inner marginal portion of the microporous ring on the side opposite from the attachment of the impervious inner ring. A fluid-impervious annular seal is provided between the impervious inner ring and the barrier ring at a location radially inwardly from the microporous ring, thereby securing the parts together and isolating the inner margin of the microporous ring from contact by stomal fluids. In preferred embodiments, the faceplate may include a relatively rigid, convex pressure ring and the impervious inner ring may extend a substantial distance radially inwardly from the seal with the inner margin of that ring secured to an outwardly extending thermoplastic web that in turn is connected to a faceplate coupling ring.

REFERENCES:
patent: 4350785 (1982-09-01), Habib
patent: 4610676 (1986-09-01), Schneider et al.
patent: 4610677 (1986-09-01), Mohiudoin
patent: 4808173 (1989-02-01), Kay
patent: 4834731 (1989-05-01), Nowak

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