| 摘要 |
An embodiment of a cuff for use an as artificial sphincter comprises an inflatable chamber and a backing. The inflatable chamber includes opposing inside and outside surfaces and inflated and deflated states. The backing is adjacent the outside surface of the chamber. The inside surface of the chamber and/or the backing include two or more grooves that define the location of fold lines of the inflatable chamber when the inflatable chamber is in the inflated state.
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