Patent ID: 8414487
Filing Date: 2013-04-09
Classification: A61B

Abstract:
1. A wound retractor adapted to retract a surgical incision in a body wall, comprising: a first, inner ring adapted to be inserted into the incision and to be juxtaposed with an inner surface of the body wall; a second, outer ring adapted for juxtaposition with an outer surface of the body wall, the outer ring comprising three substantially circular tubes, substantially coaxially aligned and coupled together such that the third tube is disposed between the first and second tubes, the first tube having a first lumen and the second tube having a second lumen; a first rigid, noncompliant tubular hoop having a split therein, the first tubular hoop being positioned in the first lumen of the first circular tube of the outer ring, a second rigid, noncompliant tubular hoop having a split therein, the second tubular hoop being positioned in the second lumen of the second circular tube of the outer ring; a first core positioned in the lumen of the first tubular hoop; a second core positioned in the lumen of the second tubular hoop; and a distensible sleeve, the sleeve including a first, distal end and a second, proximal end, the first, distal end of the sleeve being coupled to the inner ring of the wound retractor and the second proximal end of the sleeve being coupled to the outer ring of the wound retractor.