Tynan agreed to terms on a two-year, two-way contract with Colorado on Tuesday.
Tynan was placed on waivers by Vegas on Monday, Renaud Lavoie of TVA Sportsreports.
Tynan signed a two-year, two-way contract with the Golden Knights on Saturday, Aaron Portzline of The Columbus Dispatch reports.
Tynan was reassigned to AHL Cleveland on Monday.
Tynan was recalled from AHL Cleveland on Thursday, TSN reports.
Tynan was returned to AHL Cleveland on Wednesday.
After being sent back to the team's AHL Cleveland affiliate Sunday, Tynan was recalled again Monday on emergency conditions.
Tynan was called up to Columbus on an emergency recall Friday.
Tynan (arm) has been reassigned to the minors after being cleared to return to action, Aaron Portzline of The Columbus Dispatch reports.
Tynan suffered a possible arm fracture when he was hit by a puck last week, Aaron Portzline of The Columbus Dispatch reports.