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Obturator having an insufflation pathway and an instrument guide
专利权人:
发明人:
John D. Hendershot, III
申请号:
US14736918
公开号:
US10105161B2
申请日:
2015.06.11
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A surgical access apparatus is presented including a cannula having a housing and a cannula shaft, the cannula shaft defining an internal lumen and a slot in communication with the internal lumen and an obturator insertable through the internal lumen of the cannula. The obturator includes an obturator shaft having a proximal end and a distal end and a tip member disposed at the distal end of the obturator shaft, the tip member configured to form an incision through tissue. An outer surface of the obturator shaft and the tip member defines a channel for receiving and directing insufflation fluid into a body cavity, a portion of the same channel also configured to guide a surgical instrument, such as a suture passer/grasper for closing an incision, towards and through the slot. In this way, the cannula and obturator can be employed both for forming an incision at the beginning of a surgical procedure and for closing the same incision at the conclusion of the surgical procedure.
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