Katchouk was claimed off waivers by the Senators from Chicago on Friday, according to Bruce Garrioch of the Ottawa Sun.
Katchouk was put on waivers Thursday, Chris Johnston of The Athletic reports.
Katchouk posted a goal and an assist in Friday's 4-3 overtime win against the Islanders.
Katchouk earned an assist in Thursday's 4-1 defeat to the Rangers.
Katchouk was recalled from AHL Rockford on Saturday, per Mark Lazerus of The Athletic.
Katchouk was placed on waivers Monday, Elliotte Friedman of Sportsnet reports.
Katchouk scored a goal, added an assist and went plus-2 in Thursday's 5-1 win over the Flames.
Katchouk (ankle) was taken off injured reserve Friday, Ben Pope of the Chicago Sun-Times reports.
Katchouk (ankle) was a full participant in Monday's practice and could be available to play soon, Ben Pope of the Chicago Sun-Times reports.
Katchouk (ankle) is practicing in a non-contact jersey Saturday, Ben Pope of the Chicago Sun-Times reports.