| http://www.w3.org/ns/prov#value | - The present invention relates generally to surgical instruments and, more particularly, to an obturator for use in conjunction with one or more trocars for penetrating an anatomical cavity of a patient to provide communication with the cavityduring a surgical procedure.BACKGROUND OF THE INVENTIONEndoscopic surgery is a significant method of performing surgical operations and has become the surgica
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