Surgery – Means and methods for collecting body fluids or waste material – Receptacle attached to or inserted within body to receive...
Patent
1990-05-30
1992-02-18
Green, Randall L.
Surgery
Means and methods for collecting body fluids or waste material
Receptacle attached to or inserted within body to receive...
A61F 544
Patent
active
050889923
ABSTRACT:
In the first embodiment, the faceplate coupling ring is of conventional design and includes an axially extending rib with a radially outwardly extending rim and a radially inwardly extending deflectable sealing strip. The pouch coupling ring includes inner and outer spaced walls, forming a channel for receiving the rib. First and second protrusions extend inwardly from points on the interior surfaces of the walls proximate the ends thereof. The first protrusion cooperates with the rim and the second protrusion cooperates with the tip of the sealing strip, to securely retain the rib within the channel. The walls of the channel have reduced thickness and are easily deflectable as the rib is inserted into the channel, such that coupling of the rings is facilitated but decoupling requires the conventional amount of force due to the second protrusion. In the second embodiment, the deflectable sealing strip on the faceplate coupling ring is replaced by a rigid flange which cooperates with the second protrusion to substantially increase the decoupling force.
REFERENCES:
patent: 4892530 (1990-01-01), Steer
Cline John B.
Edwards John V.
Leise, Jr. Walter F.
Green Randall L.
Gualtieri Gina M.
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