Patent ID: 7479161

Claim:
Artificial urinary diversion apparatus extending in a longitudinal direction comprising a first portion having a plurality of first cross-sectional areas perpendicular to said longitudinal direction including at least one largest first cross-sectional area and a first outer surface, a second portion having a plurality of second cross-sectional areas perpendicular to said longitudinal direction including at least one largest second cross-sectional area and a second outer surface, and a third portion having a plurality of third cross-sectional areas perpendicular to said longitudinal direction including at least one largest third cross-sectional area and a third outer surface, said second portion being disposed between said first portion and said third portion, said first portion including at least one outlet, said third portion, said at least one largest first cross-sectional area being larger than said at least one largest second cross-sectional area, including at least one inlet, said at least one largest second cross-sectional area being smaller than said at least one largest third cross-sectional area, a sphincter mechanism for opening and closing said outlet, and control means for controlling said sphincter mechanism enclosed entirely within said artificial urinary diversion apparatus defined by said first, second and third outer surfaces.