| 摘要 |
<p>A trocar system (10) has a trocar tube (11), a trocar plunger (12) and a valve housing (13) at the end of the trocar tube (11) away from the patient. The trocar tube (11) is made of a flexible material stabilised by a spiral (22). The trocar tube (11) has at the end (21) next to the patient a taper that can be supported on a circular shoulder (15) of the trocar plunger (12) inserted into the trocar tube (11). The trocar tube (11) can bend in the directions indicated by the arrows (23) and expand in the direction indicated by the arrow (24).</p> |
