This is the end zone pass that Percy Harvin attempted to catch Saturday late in the first half. He couldn’t get his legs underneath him in time to prevent his head from slamming the turf and creating a concussion. / Drew McKenzie, Sportspress Northwest

WR Percy Harvin has been ruled out of Sunday’s NFC Championship game because his concussion lingers. The good news for the Seahawks from the medical department is that LB K.J. Wright will play, six weeks after breaking a bone in his right foot that required surgical repair.

“Percy will not make it through the doctors’ protocol and will not be able to go,” coach Pete Carroll said after practice Friday. After not being allowed to practice Wednesday or Thursday, the chances drew dim for a return against the 49ers.

Harvin twice went to the locker room in the first half of Seattle’s 23-15 over the New Orleans Saints Saturday after blows to the head. After slamming to the turf in the end zone after an incomplete pass late in the second quarter, he left the game for good.

The first blow came in Seattle’s first possession when Saints safety Rafael Bush was assessed a 15-yard personal foul for hitting a defenseless receiver. Several media outlets reported Friday that Bush was fined $21,000 for the shot that temporarily knocked Harvin from the game.

Anybody know me knows I play fast and physical but it’s all good y’all have a blessed day

— rafael bush (@rbush36) January 17, 2014

Carroll indicated Harvin is expected to turn to practice next week if Seattle advances to the Super Bowl Feb. 2.

Of Wright, injured since Dec. 8 Carroll said, “We’re really excited about that — an incredible recovery.  To have surgery six weeks ago and now he’s playing, so many people did well (for him) to get here. His mentality has been to play the whole time.”

Carroll didn’t say whether Wright would start ahead of Malcolm Smith, who graded out well in subbing for Wright. But having Wright available to play against the 49ers’ big receivers such as Michael Crabtree, Vernon Davis and Anquan Boldin, would be an asset for Seattle.