Patent ID: 8721537

Claim:
A surgical access system comprising: an adjustable wound retractor comprising: an proximal ring, distal ring, and a flexible sheath extending between the proximal ring and the distal ring, wherein the proximal ring is rotatable around an annular axis thereof, thereby adjusting a length of the flexible sheath between the proximal ring and the distal ring; a gel cap comprising a cap ring and a gel pad coupled with the cap ring, wherein the cap ring is engagable with the proximal ring; and a trocar comprising: a fixation cannula comprising a tubular cannula body comprising a proximal end, a distal end, a longitudinal axis extending from the proximal end to the distal end; and a cannula wall defining a cannula lumen; a seal assembly coupled to the proximal end of the cannula body; a retainer extending from the cannula body; wherein the trocar has a fixation configuration in which the seal assembly, the retainer and the cannula body are dimensioned and configured to capture the gel pad therebetween, thereby fixing the cannula to the gel pad.