Krukenberg chopsticks

Krukenberg chopsticks

(krook′ĕn-bĕrg″)
[Hermann Krukenberg, Ger. orthopedic surgeon, 1863–1935]
A condition occurring after surgical separation of the remaining ulna and radius of a forearm stump after traumatic removal of a lower arm. This allows the ulna and radius to act as crude pincers (i.e., chopsticks).