He suffered knee injuries at the start of the 1999-2000 season and the end of the 2002-03 campaign and also broke an ankle in August 2002.
Last season he needed another ankle op, keeping him out for eight months, and it has only been recently he has started playing again for the first team.
Weaker men would have buckled under the constant setbacks but not Brown. He said: "I've been injured on many occasions so I am used to coming back and getting back in the team.
"I aim to continue doing that throughout my career.
"This is the only club I have wanted to play for and I am happy doing that."