Patent ID: 7704207

Claim:
An adjustable wound retractor adapted to retract a surgical incision in a body wall to a desired diameter, 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 including, a first substantially circular tube having a first lumen, the first circular tube being made of a flexible material, a second substantially circular tube spaced axially from the first circular tube and coupled to the first circular tube of the outer ring, the second circular tube having a second lumen, the second circular tube being made of a flexible material, a first rigid, noncompliant tubular hoop having a split therein, the split forming open ends of the first tubular hoop, 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 split forming open ends of the second tubular hoop, 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, the first core having a first end and a second end, the first core being oriented with the first and second ends of the first core positioned away from the split in the first tubular hoop, and a second core positioned in the lumen of the second tubular hoop, the second core having a first end and a second end, the second core being oriented with the first and second ends of the second core positioned away from the split in 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, wherein, the outer ring of the wound retractor being substantially rigid and noncompliant.