| 摘要 |
<p>A surgical trocar (10) assembly is provided for insertion of a laparoscopic instrument through an inner abdominal wall. A sleeve is provided which can be expanded within the abdominal cavity to abut against the surface of the abdominal wall to hold the sleeve in place, in combination with insulation (28A) to electrically insulate the trocar assembly from the patient while the instrument is within the trocar assembly. <IMAGE></p> |
