| http://www.w3.org/ns/prov#value | - In this particular example, the procedure is dilation of the sphenoid sinus ostium SSO, as is evident from FIG. 2D. However, it will be appreciated that the present invention may also be used to dilate or modify any sinus ostium or other man-made or naturally occurring anatomical opening or passageway within the nose, paranasal sinuses, nasopharynx or adjacent areas.
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