| 摘要 |
<p>An infusion self-shutting device includes a housing (1), a fluid entry (6) and a fluid export (7) are provided on the top end and the bottom end of the housing (1) respectively, a base (2) with a concave cavity (4) is provided in the housing (1), a float (3) is provided in the base (2), the external surface of the float (3) matches the internal surface of the concave cavity (4) of the base (2), a fluid-discharging aperture (5) is provided in the center of the base (2).</p> |
