Dual seal with bellows

摘要

A seal assembly which includes a housing defining a longitudinal axis, a proximal portion and a distal portion and including a bellows disposed along a length thereof. A first sealing membrane and a second sealing membrane associated with the proximal portion of the housing, each sealing membrane configured to create a substantially fluid-tight seal around a surgical Instrument inserted therethrough. The bellows configured to allow at least a portion of the housing to move radially with respect to the longitudinal axis.