He's going through a bad/difficult/rough 'patch' [='spell'] right now.
The chair's original paint is still visible 'in patches'. [=in spots]
The doctor 'patched' him 'up', so he's going to be as good as new.
(..) Now, go on. Your new suit will be finished before your next assignment. You know I'm retired from hero work. As am I, Robert. Yet, here we are. E, I only need a patch job. For sentimental reasons. Fine. I will also fix the hobo suit. - You're the best of the best, E. - Yes, I know, darling. I know. (..)2004 The Incredibles
(..) about themselves. Feh! I used to design for gods. But perhaps you come with a challenge, eh? I was surprised to get your call. E, I just need a patch job. Hmm. This is megamesh. Outmoded, but very sturdy. And you've torn right through it! What have you been doing, Robert? Moonlighting hero work? (..)2004 The Incredibles