Injury expert, and 49ers fan, Stephania Bell gives her thoughts on Ahmad Brooks kidney laceration. She is a physical therapist, a board-certified orthopedic clinical specialist and a certified strength and conditioning specialist.

Mike Sando was able to get some of her thoughts. Here are a few of them.

If it is a very tiny laceration, more superficial (or more toward the 'outer surface' of the kidney), this injury might well heal on its own and heal completely without further issue -- relatively quickly. A more severe injury could cause much more bleeding and in some instances require surgery, although that is far less common.

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"Unless Brooks' injury is more serious than it sounds on the surface, I would expect that he will be able to return. The question becomes when. While I certainly can't offer a specific timetable from here (and even the 49ers couldn't give a precise one because it all depends on how his healing progresses), I can say that the re-evaluation in two weeks will probably dictate whether looks well enough to return to practice. Expect more time before they allow contact."

From the sound of it, since it is a small cut, it looks like Brooks won't miss any serious time. He will miss the 49ers-Colts preseason opener, and is most likely sitting out the Minnesota game. Hopefully he returns quickly enough in time for the season opener in Seattle.