Patent ID: 7377898

Claim:
A surgical wound retractor adapted to dilate a wound stretchable to a desired diameter, the retractor comprising: a first, distal ring having a diameter greater than the desired diameter of the wound and being adapted for disposition interiorly of the wound; a second, proximal ring having a diameter greater than the desired diameter of the wound and being adapted for disposition exteriorly of the wound; at least one retraction element having an outer surface and an inner surface, the retraction element being disposed in a generally cylindrical form between the first ring and the second ring to exert a radial retraction force on the wound, the retraction force being dependent on a distance separating the first ring and the second ring; and a base having a proximal side and a distal side, the base being adapted to be moved freely between the first ring and the second ring, the base including a sealing ring at the distal side of the base, the proximal side of the base including a recess adapted to receive the second ring and lock the second ring therein, wherein the second ring being adapted to be rolled such that the retraction element is rolled upon the second ring, and the second ring being adapted to be inserted into the recess on the proximal side of the base.