The club also assigned goaltender Oscar Dansk to its American Hockey League affiliate in Springfield, Massachusetts, on Saturday.
The 26-year-old Bobrovsky, winner of the 2013 Vezina Trophy as the league's top goalie, is 16-15-2 record with a 2.85 goals-against average, .913 save percentage and one shutout in 33 games this season. The injury caused him to miss the All-Star game.
The 20-year-old Dansk was recalled this week to back up Curtis McElhinney, who has been starting in place of the injured Bobrovsky.
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