ABSTRACT TITLT "A TROCAR ASSEMBLY" The invention relates to a trocar assembly, comprising a trocar sleeve (44) including a trocar housing (16) and a trocar cannula (12) and the trocar sleeve (44) comprises a stop-cock valve (192) positioned for selectively controlling the passage of an insufflation fluid into the trocar cannula (12) and the stop-cock valve (192) comprises a valve lever (198) the stop-cock valve (192) comprises a stop latch (200) shaped and dimensioned for engaging the trocar sleeve (44) to control movement of the valve lever (198) secured to the stop-cock valve (192).