[Interposition arthrodesis after Keller-Brand surgery of the large toe]

15 to 20 years after Keller-Brandes-procedure in therapy of hallux valgus there is often an increasingly degeneration of nearthrosis. Among biomechanical aspects the problems are decrease of correction, shortening and loss of substance of the residue base-phalanx. Toelenght and functional importance can be restored with an interpositioning arthrodesis of MTP-nearthrosis with a tricortical autogen splinter of iliac crest.