Patent ID: 7591819

Claim:
A bone nail comprising: a nail shank having at least one cross-bore adjacent a first end and an axial bore having a threaded portion, the cross-bore extending along an axis transverse to an axis of the axial bore; at least one screw having a threaded portion and a smooth shank portion between said threaded portion and a screw head, which can be introduced into the cross-bore; and an interlocking pin having a male threaded portion interacting with the threaded portion of the bore, and an end portion extending along an axis and having a plurality of lamellar discs extending generally perpendicular to the axis of the end portion wherein the end portion of the interlocking pin engages the smooth shank of the screw to locate it axially, and wherein at least said discs of said end portion of said pin are made of an elastically and/or plastically deformable material and deformable upon engaging the shank of the screw.