An introducer assembly can be releasably coupled to a surgical instrument and includes a collar, a tip, and an elongated body portion disposed between the collar and the tip. The tip may be configured to releasably engage a dissecting device. The collar may releasably couple the introducer assembly to a shaft of a surgical fastener applying apparatus. The tip may have an opening to receive a distalmost end of an end effector of a surgical fastener applying apparatus.
