Patent ID: 9474519
Filing Date: 2016-10-25
CPC Classification: A61B

Claim Text:
1. A surgical access device adapted for disposition relative to an incision in a body wall, the access device facilitating insertion of an instrument therethrough and maintenance of a sealing relationship with the instrument, comprising: a cap, the cap being substantially annular and having an opening therethrough; a gel pad coupled to the cap and adapted for insertion of the instrument therethrough, the gel pad covering and sealing the entire opening in the cap; a retainer, the retainer being substantially annular and adapted for placement against the body wall; and coupling means adapted for coupling the cap and the retainer together, wherein the retainer being configured to be coupled to a proximal portion of an elongate sleeve that is adapted to extend through the incision, and the retainer being adapted together with the elongate sleeve to retract the incision; wherein the gel pad comprises of gel material with different regions of resiliency and gas-filled pockets dispersed within the gel material and the different regions of resiliency of the gel material; and wherein the disbursement of gas-filled pockets within the gel material is largest at a first region of the gel pad relative to other regions of the gel pad.