Patent ID: 8292855
Filing Date: 2012-10-23
Classification: A61B

Abstract:
1. A surgical access assembly comprising: a housing defining a longitudinal axis and having a longitudinal opening extending therethrough for passage of a surgical instrument, the housing having mounting structure associated therewith; a sleeve extending from the housing and dimensioned for insertion through tissue; and a seal mechanism disposed within the housing, the seal mechanism including first and second seal elements defining a passageway for reception and passage of the surgical instrument therethrough in a substantially sealed relation therewith, the first and second seal elements operatively mounted to the mounting structure of the housing and adapted to move between first and second longitudinal positions relative to the housing, whereby during longitudinal movement of the first and second seal elements from the first longitudinal position to the second longitudinal position, the mounting structure of the housing cooperates with the first and second seal elements to cause a change in a dimension of the passageway from a first dimension to a second dimension different than the first dimension.