| CPC A61F 5/4407 (2013.01) [A61F 5/449 (2013.01)] | 15 Claims |
|
1. A drainable ostomy appliance, comprising:
side walls of flexible sheet material sealed to one another along a portion of their respective peripheries to define a collection cavity, the side walls being a body side wall and a non-body side wall, the side walls defining a downwardly extending neck portion terminating in a discharge outlet at which the side walls are not sealed to one another, the discharge outlet being closed by folding the neck portion upwardly and opened by unfolding the neck portion downwardly for draining the contents from the cavity;
an inlet in the body side wall; and
a closure system, comprising:
a first portion of the closure system positioned on the body side wall, the first portion of the closure system including a first closure member and a second closure member, the first closure member being proximal the discharge outlet and the second closure member being distal of the discharge outlet, the first and second closure members defining a gap therebetween, and wherein the first closure member and the second closure member are both attached to the body side wall;
a second portion of the closure system positioned on the non-body side wall, the second portion of the closure system including a third closure member and a fourth closure member, wherein the third closure member and the fourth closure member are both attached to the non-body side wall; and
a fastening system,
wherein in an open state, the neck portion is unfolded and in a closed state, the first closure member is folded onto the third closure member at a first fold and the first, second and third closure members are folded onto the fourth closure member with the first closure member proximal the fourth closure member at a second fold to form a seal between the third closure member and the fourth closure member, wherein the second fold is tighter than the first fold, and wherein the neck portion is secured in the closed state using the fastening system.
|