| 摘要 |
A filter assembly (10) for use in the filtration of medical treatment liquids is disclosed. The filter assembly (10) includes a strip of porous filter media (12), first enclosure means (14), and a second enclosure means (16). An inlet connector (18) is connected to inlet end (20) of the filter assembly (10) and an outlet connector member (22) is connected to an outlet end of the filter assembly (10). The first and second enclosure means (14), (16) are formed of strips of flexible plastic material having longitudinal edges (30), (40) which are ultrasonically welded to the filter media (12). Dimples (36), (42) are formed in the first and second enclosure means (14), (16), respectively, and are ultrasonically welded to the filter media (12).
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