| 摘要 |
<p>A surgical instrument for treating a hydatid cyst, including a cannula (100) provided with a suction cup (200) at its distal end (118, 218) and connected to a vacuum source at its proximal end (119), and at least one hollow aspirating needle (300, 400) with its distal end (302, 402) surrounded by the cannula (100), said needle being translatable relative to the cannula (100) between a first position in which the tip (302, 402) of the needle (300, 400) is retracted into the suction cup (200) or the cannula, and a second, aspirating position in which the tip (302, 402) of the needle projects beyond the suction cup (200).</p> |
