| http://www.w3.org/ns/prov#value | - In one embodiment the trocar housing 104 can further include a stop cock valve 116 and a stop cock valve lever 118, which can work together to allow and/or prevent passage of an insufflation fluid or gas, e.g. carbon dioxide, through flexible tubing into a portion of the trocar housing 104 and the trocar cannula 102.
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