| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide instruments and cannula or port assemblies for the performance of surgical procedures, particularly including laparoscopic procedures entirely through the umbilicus. <P>SOLUTION: A laparoscopic port unit includes three cannulas each extending at an acute angle relative to a base. The cannulas are flexible for receiving respective angulated laparoscopic instruments. The cannula unit is rotatingly received in a port holder for rotation about a longitudinal axis of the holder, the holder being disposable in an opening in a patient's skin. <P>COPYRIGHT: (C)2013,JPO&INPIT |
