Patent ID: 8162893

Claim:
A stability assembly for a trocar system comprising: a stability member adapted to seal an entry port incision, the stability member having a lumen extending therethrough, the lumen defining a longitudinal axis of the stability assembly and the stability member having a conical profile about the longitudinal axis; a base positioned at least partially within the lumen, the base having a passage extending along the longitudinal axis, the passage adapted to receive a cannula therein; and a retention member positioned such that the retention member and the passage define an inner diameter of the stability assembly; and wherein the retention member is rotatable about the longitudinal axis between a first position wherein the stability assembly has a first inner diameter and a second position wherein the stability assembly has a second inner diameter smaller than the first inner diameter and wherein the retention member is unbiased towards either one of the first position and the second position and is actively engageable such that the retention member in the first position remains in the first position and the retention member in the second position remains in the second position.