#$%^&*AU2019232837A120200507.pdf#####OPTICAL TROCAR ASSEMBLY ABSTRACT A cannula assembly (30) configured to receive a surgical instrument therethrough, the cannula assembly (30) comprising: an elongated body portion (32)； a housing (40) coupled to a proximal end portion (32a) of the elongated body portion (32), the housing (40) defining a longitudinally-extending channel (46) therethrough dimensioned for passage of a surgical instrument； and an annular-shaped light member (52) disposed about the channel (46).2/2 50 52 48 40 38 3032 56 FIG.2
