An incontinence system includes an anchoring mechanism and a channel with a blocking valve positioned in the channel, the blocking valve in a first state prevents urine flow through the channel and in a second state allows urine to flow through the channel. The anchoring mechanism may be a fixation balloon...http://www.google.co.uk/patents/US6102848?utm_source=gb-gplus-sharePatent US6102848 - Flow-around valve with contoured fixation balloon and channel blocking means
