Alexey Toropchenko sustained an upper-body injury in the season opener on Friday night in Dallas.
He will be re-evaluated in six weeks.
Toropchenko was behind the net when he was hit by two Stars players into the glass with 16:32 remaining in the second period.
He was assisted to the locker room by Head Athletic Trainer Ray Barile and did not return.
Toropchenko had eight shifts in Friday's game for 5 minutes and 8 seconds of ice time.
