Patent ID: 7896847
Filing Date: 2011-03-01
Classification: A61B

Abstract:
1. A surgical access port, which comprises: a cannula including a housing and a cannula sleeve extending from the housing, the cannula defining a longitudinal passage extending between the cannula housing and the cannula sleeve, the housing including an internal seal mount defining a generally arcuate inner surface adjacent the longitudinal passage within the housing, the cannula sleeve adapted to access an underlying body cavity insufflated with gases; and a removable seal at least partially positionable within the housing to be received within the internal seal mount, the seal including a seal member having a generally arcuate outer surface and an inner surface defining an aperture for sealed reception of a surgical instrument, the arcuate outer surface of the seal member adapted to cooperatively contact the arcuate inner surface of the internal seal mount of the housing to establish a coupling interface therebetween permitting angulation of the seal member within the internal seal mount of the housing along respective outer and inner surfaces thereof, and further permitting removal of the seal through direct manual engagement and manipulation of the seal member by a user, wherein the internal seal mount includes at least one pivotal mounting leg, the at least one mounting leg adapted to pivot from an initial position to a radial outward position during insertion and of the seal relative to the internal seal mount of the housing, and thereafter return toward the initial position, to thereby permit the inner surface of the internal seal mount to cooperatively engage the outer surface of the seal member to releasably retain the seal member within the at least one mounting leg.