Patent ID: 9254148
Filing Date: 2016-02-09
CPC Classification: A61B

Claim Text:
1. A surgical access device comprising: an elongate tubular cannula having a lumen extending between a proximal end and a distal end and defining a longitudinal axis; a seal housing rotatably connected to and partially surrounding the proximal end of the cannula; a seal assembly comprising at least one seal disposed in the seal housing; the at least one seal includes a radially extending portion and a depending portion; the at least one seal being connected to the seal housing such that the at least one seal is fixed to the seal housing at the radially extending portion and the depending portion is allowed to pendulate; an access channel defining a longitudinal axis extending through the seal assembly and the lumen of the cannula from the proximal end to the distal end; a resilient member comprising a helical coil spring having a proximal end and a distal end and defining a longitudinal axis; the coil spring being located inside the seal housing between the seal assembly and the seal housing such that the coil spring surrounds the depending portion of the at least one seal; and a cap abutting a proximal end of the seal housing.