Blue Jackets defenseman Radek Martinek, out of the lineup with a concussion since early October, has been ruled out for the remainder of the season, the club announced on Thursday.
Martinek was hit by Detroit's Brad Stuart on Oct. 19 in only his seventh game with the Blue Jackets.
"Radek is very disappointed, as we are, that he will not return to the ice this year," Blue Jackets GM Scott Howson said. "But his health is the most important factor in this decision."
Twice the Blue Jackets, who were shut out by Nashville 3-0 Thursday, thought he was on the path to a return. But his most recent setback came earlier this week, and, after a meeting with doctors, he was told to take the rest of the season off.
The Blue Jackets signed him as an unrestricted free agent in July, only two months after he sustained a serious concussion while playing for the Czech Republic in the World Championships.
In seven games with Columbus, he had one goal and a minus-3 rating.