Osasuna players Nekounam, Masoud, Azpilicueta, Monreal, Calleja, Dagger and Miguel Flano, Osasuna vice-president Juan Pascual and director Miguel Archanco all visited the sick children and gave them toys and gifts.
The group visited the hospital to share the joy of Christmas holidays with their young fans.
On arrival at the hospital the Osasuna representatives were received by Mary Kutz Minister of Health of the Government of Navarra.
Osasuna will play giant Real Madrid on Sunday at the Pamplona. Masoud Shojaei will doubtfully be in the match due to injury but Nekounam is expected to play.
Osasuna ranks 12th in Spanish Primera Liga with 16 points, and Real Madrid is in second place behind Barcelona with 37 points.