A collar for a surgical access device includes an annular body laterallyattachable to acannula of the surgical access device. A spring is coupled to the annular bodyand movablebetween an uncompressed state and a compressed state. The spring is configuredtomanipulate the annular body between a first condition and a second conditionto selectivelyfix the annular body at predetermined locations along the cannula or tolaterally remove theannular body from the cannula while the cannula is supported within apatient's body.
