Ruhwedel was recalled from AHL Hartford on Wednesday.
The Rangers put Ruhwedel on waivers Thursday, according to Elliotte Friedman of Sportsnet.
Ruhwedel (undisclosed) was a full participant in Sunday's practice, according to Mollie Walker of the New York Post.
Ruhwedel will miss Friday's preseason game against the Islanders.
Ruhwedel (undisclosed) practiced in a red non-contact sweater Thursday, Peter Baugh of The Athletic reports.
Ruhwedel inked a one-year, two-way contract with the Rangers on Friday.
Ruhwedel was traded to the Rangers from the Penguins on Friday in exchange for a 2027 fourth-round pick.
Ruhwedel (undisclosed) feels fine after exiting Monday's 3-0 win over Seattle for precautionary reasons and should be available Saturday versus Vegas, per Wes Crosby of NHL.com.
Ruhwedel (undisclosed) was injured in the third period of Monday's 3-0 win over Seattle.
Ruhwedel scored on his only shot in Monday's 4-1 win over the Flyers.