#$%^&*AU2020223626A120200910.pdf#####ADAPTER ASSEMBLY INCLUDING A REMOVABLE TROCAR ASSEMBLY ABSTRACT An adapter assembly (100) for connecting a loading unit (30) to a handle assembly (20) is provided. The adapter assembly (100) includes a sleeve (106), a trocar assembly (120) releasably securable with the sleeve (106), and a locking mechanism (130) configured to releasably secure the trocar assembly (120) within the sleeve (106).