CPC A61B 17/3423 (2013.01) [A61B 17/3439 (2013.01); A61B 2017/3488 (2013.01); A61B 2560/04 (2013.01)] | 20 Claims |
20. A fixation mechanism for use with a surgical access device, the fixation mechanism comprising:
a flange defining a passageway, the passageway defining a longitudinal axis;
a fixation sleeve extending distally from the flange and including a proximal portion, a radially-expandable portion, and a distal portion;
a proximal sleeve extending distally from the flange and radially surrounding the proximal portion of the fixation sleeve, a proximal portion of the proximal sleeve being fixed from longitudinal movement relative to the flange; and
a distal sleeve radially surrounding the distal portion of the fixation sleeve,
wherein rotation of the flange in a first direction about the longitudinal axis causes the radially-expandable portion of the fixation sleeve to move away from the longitudinal axis.
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