| 摘要 |
An envelope of water impervious sheet material is sized to rest on and overlap the open top edge of a toilet bowl beneath the seat. A relatively rigid ring is positioned within the envelope and is sized to extend across the toilet bowl top edge from rear to front and to be narrower widthwise than the envelope to provide leaway and support for sagging of the envelope in its central portion forming a receptacle for liquid of the sitz bath.
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