Surgery – Means and methods for collecting body fluids or waste material – Receptacle attached to or inserted within body to receive...
Patent
1994-06-20
1996-03-26
Green, Randall L.
Surgery
Means and methods for collecting body fluids or waste material
Receptacle attached to or inserted within body to receive...
604332, A61F 544
Patent
active
055016774
ABSTRACT:
A two-piece ostomy appliance, and a low-profile coupling ring assembly therefor, in which the rings have relatively large flat flanges that extend in close proximity when the rings are coupled and in which the assembly has a radial/axial aspect ratio, with the radial dimension being measured outwardly from the stoma-receiving opening of the assembly, of at least 1.5 to 1, and preferably at least 2.5 to 1. One ring has an integral collar with an external latching shoulder and an annular sealing surface extending outwardly from the shoulder and merging with one of the side surfaces of the flange of that ring. The other ring includes a tapered, flexible, axially extending sealing lip that faces towards the first ring and is sealingly engagable with the sealing surface of the first ring when the rings are coupled together. The second ring also has a radially inwardly extending latching rib engagable with the shoulder of the first ring for retaining the rings in coupled condition, the latching rib being of smaller inside diameter than the annular sealing lip.
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Green Randall L.
Polutta Mark O.
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