| 摘要 |
<p>A funnel for attachment to medical instruments used for the diagnosis and treatment of openings to body canals. The funnel is so arranged as to be attached to a head (9) of the instrument of at least two different types, of which one head exhibits an annular flanged part and the other head (9) exhibits a funnel-shaped part with a groove (8). The aforementioned funnel exhibits a small front opening (10) and a larger rear opening, together with a transcurrent hole between them. The funnel is provided at its larger end with an edge part (2) extending around the opening, said edge part being so arranged as to engage by means of a snap-in lock around the flange part (21) on the first head. The inside of the funnel is also provided with a bead so arranged as to fit into the groove (8) on the second head (9), whereby the funnel is able as a single design to be used for both the aforementioned types of head.</p> |
