though not specifically snake related, it gives good overview and lead in as to what can stem from a deep tissue infection.
These cases with the exception of one or two all came post surgery. A process where everything is supposed to be clean.
Some of these have more severe long term consequences than a finger that doesn't extend or some stitches to the hand.
I never intended to start a personal arguement if that indeed has occured, just lend my experience to your question.

Notah

www.eatonhand.com/complic/text11.htm