Laparoscopic instrument and cannula assembly and related surgical method

摘要

A laparoscopic port assembly includes a cannula unit including 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.

主权项

1. An insert assist member for inserting a port holder in an opening at a surgical site comprising:
a proximal outer portion; a cylindrical middle portion extending distally from the proximal outer portion; and a distal tip portion extending distally from the cylindrical middle portion, the distal tip portion defining a rounded tip for insertion through an aperture defined in a port holder configured for insertion in said opening at a surgical site; and, wherein the proximal outer portion includes a pair of flange members each configured to define an aperture therethrough, the pair of flange members configured such that the apertures receive and rotatably engage with corresponding projections extending proximally from the port holder.