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Expanding surgical access port

  • US 8,888,691 B2
  • Filed: 01/05/2012
  • Issued: 11/18/2014
  • Est. Priority Date: 01/24/2011
  • Status: Expired due to Fees
First Claim
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1. A surgical access port, comprising:

  • a cylindrical member having a proximal end and a distal end and defining a longitudinal axis;

    at least two lumens extending through the cylindrical member along the longitudinal axis;

    at least one internal cavity defined in the cylindrical member, the entire lumen of each of the at least two lumens positioned radially outward of at least a portion of the at least one internal cavity with respect to the longitudinal axis, the at least one internal cavity enclosed by the proximal and distal ends of the cylindrical member; and

    a source of inflation fluid coupled to the at least one internal cavity, the source of inflation fluid configured to permit selectable inflation of the at least one internal cavity, whereby inflation of the at least one internal cavity increases a radial distance between the at least two lumens.

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