#$%^&*AU2017201176A120170914.pdf#####CLIP COLLAR ADVANCED FIXATION ABSTRACT A surgical access system (1), comprising a surgical access device (10) including a housing (112)； and a cannula (114) extending from the housing (12)； and a collar (100) including: an annular body (110) laterally attachable to the cannula (14)； and a spring (120) coupled to the annular body (110) and movable between an uncompressed state and a compressed state, the spring (120) configured to manipulate the annular body (110) between a first condition and a second condition to selectively fix the annular body (110) at predetermined locations along the cannula (14) or to laterally remove the annular body (110) from the cannula (14) while the cannula (14) is supported within a patient's body.1/14 lx, 1 2a 12 10 "I" FIG.
