| 摘要 |
A control device for fluid containers (16), of a flexible material, particularly for controlling the level of stomi bags, comprises an elastic resistance element (10) haying an electric resistance which changes by stretching of the element, which is adapted to be fixedly connected with the container wall of the ends, thereof to extend over an extensible portion (17) of the container wall. Means (12) are provided for connecting an alarm means (19) reacting a change in the resistance of the resistance element.
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