Toothbrush for use e.g. on journeys, when hospitalized, by users having motor coordination difficulties, has movable seal that is arranged in hollow space within handle, and which is connected to slider provided on upper surface of handle

摘要

A stem (2) is provided between a handle and a brush head (3). A hollow space (4) within the handle is connected at one end to the brush head. A movable seal (7) arranged in the hollow space is connected to a slider (10) that is arranged on the upper surface of the handle.