Jonathan Johannes Zandman,Wouter Hagedoorn,Theodorus Johannes Klinkenberg,Massimo Mariani,Michiel Johannes Antonius Jannink
申请号：
US14782256
公开号：
US20160022310A1
申请日:
2014.04.04
申请国别(地区):
US
年份:
2016
代理人:
摘要：
Trocar for instrument access to body cavities in minimally invasive surgery, the trocar comprising:—a body having a first access opening and at least one second access opening, each for inserting an instrument；—a cannula arranged with a proximal end to the body and having a distal end suitable for insertion into body cavities in minimally invasive surgery, wherein the cannula has a substantially constant out of round cross-section along is length, wherein a channel in the cannula is connected to the first access opening to provide a first passageway for an instrument and to the second access opening to provide at least one second passageway separate from said first passageway； and—a gas inlet arranged at the body and in fluid connection with the at least one passageway for inflating the body cavity with a gas, such as carbon dioxide gas.
