US Patent 11484337 Surgical access device including anchor with rachet mechanism

A surgical access device includes a cannula body and an anchor. The cannula body includes a housing, and an elongated portion extending distally from the housing. The elongated portion defines a longitudinal axis and defines a channel extending therethrough. The anchor is disposed in mechanical cooperation with the elongated portion of the cannula body and is longitudinally translatable relative to the elongated portion. The anchor defines an aperture and includes a ratchet mechanism configured to selectively lock a size of the aperture.