| 摘要 |
Apparatus (1) for the passage of fluid therethrough, the apparatus (1) comprises first (10) and second members (12, 13) seperable from one another and aligned on a common axis to provide an elongate body having a first end (2) and a second leading end (3) formed as a tapered tip (130), the first member (10) having a fluid-flow passage (101) therethrough; and further comprising means (103) arranged to engaged or be engageable with, a wall or walls of an enclosed space when the apparatus (1) is engaged therewith, e.g. inserted therein. |
