An intramedullary device includes an intramedullary nail extending along a longitudinal axis from a proximal end to a distal end, a proximal portion of the intramedullary nail including a cavity extending from an opening at the proximal end along a longitudinal axis and a locking hole extending transversely therethrough along with a first insert sized and shaped for insertion into the cavity along the longitudinal axis thereof and including a transverse bore aligning with the locking hole and a second insert for engaging an inner surface of the cavity proximally of the first insert to retain the first insert within the cavity and including a central bore extending longitudinally therethrough for coupling to an insertion instrument.髓內裝置包括髓內釘，所述髓內釘沿縱軸從近端至遠程延伸，所述髓內釘的近端部分包括從近端開口沿縱軸延伸的腔和橫向透過其延伸的鎖孔以及第一插入物和第二插入物，所述第一插入物的大小和形狀被設定為能沿腔的縱軸插入腔中，並且包括與所述鎖孔對準的橫向孔，所述第二插入物用於嚙合位於所述第一插入物近側的腔的內表面，從而將所述第一插入物阻留在所述腔中，所述第二插入物包括縱向透過其延伸的、用於連接插入裝置的中心孔。
