A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 5/445 (2006.01) A61F 5/448 (2006.01)
Patent
CA 2042651
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.
Cline John B.
Edwards John Victor
Leise Walter F. Jr.
Cline John B.
Convatec Technologies Inc.
Edwards John Victor
Leise Walter F. Jr.
Osler Hoskin & Harcourt Llp
LandOfFree
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