The move came shortly after the Hurricanes added goalie Eddie Lack in a trade with Vancouver.
Carolina general manager Ron Francis says Wisniewski is ''a veteran defenseman who has proven his ability to produce offensively'' and says he'll be a big part of the team's power play and defensive units.
Wisniewski, 31, was a healthy scratch during the playoffs. He had five assists in 13 games with Anaheim after coming over in March in a trade with Columbus.
Khudobin split time with Cam Ward in each of the past two seasons. He went 27-31-7 with a 2.50 goals-against average with Carolina and went 8-17-6 last season.