Enwere ike ịchọta mmepe nke ọgwụgwọ mgbawa femoral na 1940 mgbe Kuntscher webatara usoro ntu intramedullary mechiri emechi. Iji ntu intramedullary (IMN) mee ihe na mgbawa femoral aghọwo ụkpụrụ nlekọta n'ime iri afọ ole na ole gara aga, na ọganihu ugbu a na ntinye aka nke intramedullary na ọganihu na usoro ịwa ahụ emeela ka mmụba dị ukwuu n'iji ntu intramedullary nailing nke femur.