The forward should be back in time for camp.
Jori Lehtera just underwent ankle surgery on his right ankle, meaning that his right ankle was wonky during the playoffs and he was one of the walking wounded during the Blues' brief postseason run. He had two assists in five games.
From the Blues' press release:
St. Louis Blues President of Hockey Operations and General Manager Doug Armstrongannounced today that forward Jori Lehtera had successful surgery on his right ankle on Aug. 4. He suffered the injury at the end of last season and is expected to be available to skate in six to eight weeks.