| 摘要 |
<p>[Problem] To provide a trocar cannula (100) in which the base (120) will be stable over the eyeball (A) and will not roll. [Solution] A trocar cannula (100) provided with a base (120) and a hollow pipe-shaped cannula (110) of a lesser diameter than the base (120), the cannula being erected on the base (120), wherein a slope (120a) having an obtuse angle (alpha) with the center axis (b) of the cannula (110) is formed on the base (120).</p> |
