{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/394437907"
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        "http://www.w3.org/ns/prov#value" : [ "Another aspect of the present invention is a method for removing a trocar obturator from tissue, the method comprising: rotating the obturator within and relative to a cannula to engage respective surfaces of the obturator and the cannula so as to deflect the obturator relative to the cannula; and extracting the obturator from the tissue by withdrawing the obturator through the cannula." ] ,
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