Luypen (lower body) didn't participate in Thursday's practice, per Charlie Roumeliotis of NBC Sports Chicago.
Luypen (shoulder) was removed from injured reserve and sent to WHL Tri-City on Sunday, per CapFriendly.
Luypen underwent shoulder surgery to repair a torn rotator cuff and will be sidelined for 14-18 weeks, the team announced Tuesday.
Luypen signed a three-year, entry-level contract with Chicago on Monday, John Matisz of The Score reports.