Patent ID: 8932249
Filing Date: 2015-01-13
Classification: A61B,A61M

Abstract:
1. A trocar assembly comprising: a sleeve assembly defining a working channel extending axially therethrough and including an open proximal end adapted to receive a proximally-inserted medical instrument, an open distal end for protrusion of the proximally-inserted medical instrument from said working channel beyond said distal end, and an insufflation port, separate from and interposed between said proximal and distal ends, in fluid communication with said working channel; and an insufflation valve assembly fluidly coupled to said insufflation port, said insufflation valve assembly including a valve member retained within a housing, wherein said valve member defines an inlet channel and is biased relative to said housing to a first position in which said inlet channel is in fluid communication with said working channel, wherein said housing defines at least one vent opening for fluid discharge to the surrounding atmosphere, and wherein said valve member is moveable relative to said housing from said first position to a second position in which said working channel is in fluid communication with said vent opening so as to release insufflation fluid from the trocar assembly.