| 摘要 |
The filter device of the present invention comprises a hydrophilic filter located between spaces that run in a perpendicular direction inside a filter housing, to filter out solid impurities from introduced liquid, at least one hydrophobic filter adapted to correspond with at least one discharge cavity disposed in the filter housing for discharging gas from the introduced liquid before, after, or before and after passing through the hydrophilic filter, and a blocking member installed inside the filter housing, which has a centrally located pathway formed lengthwise and which blocks the outlet so that liquid may be introduced into the outlet tube via said pathway and discharged through the hydrophilic filter such that gas is blocked as the liquid flows through to the outlet. The advantages include the effective removal of air and solid particles from the liquid medicines so that these are not introduced into the extension tube connected to the filter device, and the surface area of the hydrophilic filter that filters out solid particles such as glass fragments is maximized so that the flow rate of the drug upon passing through it may not be slowed down. |
