Patent ID: 6613952
Filing Date: 2003-09-02
Classification: A61B

Abstract:
An O-ring for use in an adjustable surgical wound protector, comprising:a circular torus having a circular cross-section comprising four quadrants wherein material defining two diagonally opposed quadrants is removed, leaving two diagonally opposed recesses and a solid cross-section including a cross-sectional center that is radially equidistant from a central longitudinal axis and a resilient configuration for squeezing into an oblong shape that is insertable into a surgical incision wherein said solid portion of said O-ring defines a first solid quadrant and a diagonally opposed second solid quadrant wherein said first solid quadrant includes a curved outer surface, a curved annular surface, and a sinusoidal surface, and said second solid quadrant includes a curved outer surface, a curved annular surface, and a sinusoidal surface; and two recesses that are selectively sized and shaped to enable a snap-action rolling of said O-ring about said cross-sectional center in predetermined increments.