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Single port access system

  • US 8,480,575 B2
  • Filed: 08/28/2012
  • Issued: 07/09/2013
  • Est. Priority Date: 10/13/2008
  • Status: Active Grant
First Claim
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1. A surgical access system comprising:

  • an adjustable wound retractor comprising;

    an proximal ring, distal ring, and a flexible, tubular retraction 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 retraction 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;

    a bolster disposed on the cannula body and spaced from the retainer; and

    wherein the trocar has a fixation configuration in which the retainer and the bolster are dimensioned and configured to capture the gel pad therebetween, thereby fixing the cannula to the gel pad.

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