Ristolainen underwent surgery for a ruptured triceps tendon, the team announced Thursday. He is expected to be fine for the start of training camp.
Ristolainen (upper body) was placed on injured reserve Monday, per the NHL media site.
Ristolainen (upper body) will undergo a procedure in 2-3 weeks and will be re-evaluated at that point, Kevin Kurz of The Athletic reports.
Ristolainen (upper body) is out Monday against Arizona and is not expected to play Thursday against Toronto.
Ristolainen (illness) will return to the lineup versus Seattle on Saturday, per Jordan Hall of NBC Sports Philadelphia.
Ristolainen (illness) won't play Thursday versus the Jets, Elliotte Friedman of Sportsnet reports.
Ristolainen snagged an assist during Monday's 2-1 overtime win against the Penguins.
Ristolainen (lower body) was activated from long-term injured reserve Saturday, per the NHL media site.
Ristolainen (lower body) ditched the non-contact jersey for Tuesday's practice session, Jordan Hall of NBC Sports Philadelphia reports.
Ristolainen (undisclosed) is still practicing in a non-contact jersey Friday, according to Bill Meltzer of NHL.com.