Woate ŋu akpɔ afɔkpodzi ƒe gbagbãdɔdada ƒe ŋgɔyiyi tso ƒe 1940-awo me esime Kuntscher to mɔnu si nye closed intramedullary nailing technique vɛ. Nails intramedullary nails (IMNs) zazã le afɔkpodzi ƒe gbagbã me va zu beléle na ame ƒe dzidzenu le ƒe bla nane siwo va yi me, eye ŋgɔyiyi siwo wowɔ fifia le intramedullary nails me kple ŋgɔyiyi siwo wowɔ le amekokomɔnu me na be woate ŋu adzi afɔkpodzi ƒe intramedullary nailing zazã ɖe edzi ŋutɔ.