| 摘要 |
<p>An anchorage guide for a trocar comprising a tubular body (1) , formed by a plurality of substantially circular sectors (Ia) , radially moveable from and towards the longitudinal axis of the tubular body between a first position wherein they flank each other according to a first substantially circular arrangement with diameter equal to that of said tubular body, and a second position wherein they result equidistant from each other according to a second substantially circular arrangement of greater diameter than that of the first arrangement. Each of the sectors is rotatably connected to a support element (4) and manual operation means (7) are provided, moveably connected to said support element, for moving the sectors from the first to the second position and vice versa.</p> |
