"I like to think I'm a good healer. Every time someone says I'm going to be out for a certain amount of time I always beat the deadline by a few days and weeks. I hope to do it again."
The 25-year-old admits the squad have been buoyed by Arsenal's slump in form which has seen them draw their last four matches.
Chelsea can overtake the Gunners for the first time if they beat Spurs and then win on Sunday, while Manchester United are only three points ahead themselves.
Cech added: "We have hoped for exactly such a situation - that we will be winning and our rivals will begin losing points. Every game is now very important and every point won is golden."
Cech also believes Arsenal will suffer another psychological blow and lose to Liverpool in their Champions League quarter-final early next month.
He said: "I think Arsenal will have it more difficult as they are in the title race, while Liverpool only have the Champions League."
