Seidenberg, 25, has one goal and one assist over 32 games with Phoenix this season. A four-year veteran, he previously played for Philadelphia and has eight goals and 25 assists in 158 NHL games.
Seidenberg is expected to help an injury-depleted Hurricanes' lineup. Carolina's Tim Gleason and Frantisek Kaberle are both out indefinitely; Bret Hedican is out until early February and Glen Wesley is listed as day-to-day with a lower body injury.
Adams, 32, was credited with two goals and two assists this season. He has scored 38 goals and assisted on 34 others since joining the Hurricanes in 2002 from Florida. He's also played for Toronto and Columbus and has 56 goals and 66 assists in 445 NHL games.