Henshaw suffered a torn pectoral muscle and North a hamstring tear in the 31-31 draw with the reigning Super Rugby champions at the Westpac Stadium on Tuesday.
Both will return home this weekend following the Lions second Test against the All Blacks to undergo further treatment.
Follow Warren Gatland’s team announcement for the second Test against the All Blacks here
Ireland centre Henshaw started four games on Tour, against the Blues, Highlanders, Chiefs and Hurricanes while North started against the Crusaders, Maori All Blacks and Hurricanes – scoring a try in the latter on Tuesday night before injury struck.