| http://www.w3.org/ns/prov#value | - a) obtaining an accurate image of an area of the body, said image including an opening site and a target region; b) determining high-risk areas around said target region; c) selecting a non-linear curve within said image, wherein said non-linear curve is substantially helical in shape along an entirety of a curved path extending between the opening site and the target region; wherein said non-line
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