| 摘要 |
A nursing unit is disclosed including a holder for a disposable liquid-retaining bag, the holder comprising an elongated tubular body open at both ends and having external threading at one end, an internally threaded retainer ring adapted to mate with the external threading on the tubular body, and a protective substantially rigid hood having an opening of a dimension to frictionally fit about said retainer or frictionally fit about the other open end of the tubular body.
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