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SANTA CLARA -- The 49ers do not have a timetable on All-Pro linebacker NaVorro Bowman's return from the severe knee injury he sustained in the NFC Championship game on Sunday.
Bowman sustained a torn ACL in his left knee. But he will not be ready to undergo surgery for two or three weeks, Harbaugh said, because there was also damage to the MCL ligament. The MCL injury does not require surgery, but swelling must subside in order for the ACL to be repaired.
"He’s got healing ahead," Harbaugh said on Tuesday. "He’s got grueling rehab ahead. That is not the way that you would’ve wanted foreseen his offsesason to be after coming off what many have talked about, and deservedly so, of a defensive-player-of-the-year type of performance. Great year by NaVorro.
"Knowing what’s inside of NaVorro Bowman, I have great faith in the human agency of NaVorro Bowman to continue to be great."
[RELATED: Bowman faces surgery, lengthy rehab]
It's not known -- nor will it be for some time -- whether Bowman will be available for the start of the 2014 regular season.
Guard Mike Iupati does not figure to have such a complicated rehabilitation from his broken left lower leg -- just above the ankle. Iupati's leg will be placed in a cast and he will not require surgery. His rehab time is expected to be eight weeks.
In other 49ers injury news, running back Frank Gore sustained a broken right ring finger and will undergo minor surgery. Harbaugh said he did not know about Gore's injury until after the game, and it was not the reason Kendall Hunter was on the field in the team's two-minute offense at the game's conclusion.
Also, left tackle Joe Staley sustained a compound dislocation of his thumb at the end of the first half. The bone broke out of the skin, forcing Staley to miss just one snap -- the final play of the first half. He returned to action and played the entire second half.