Patent ID: 6077264
Filing Date: 2000-06-20
Classification: A61B

Abstract:
Intramedullary nail to be used in orthopedics for insertion into a bone comprising:a tubular body having an interior and including at least one anchoring device slidably moveable within the interior thereof;a maneuvering element for said anchoring device housed within the tubular body; anda drilled bushing at the top end of said nail;wherein said tubular body is substantially cylindrical and has a parallelopiped shaped top end and a threaded interior portion at said top end;wherein said at least one anchoring device has a substantially cylindrical body formed with an cylindrical surface and having two or more longitudinal cavities formed therein, and the body has a plurality of slots, one each, corresponding to each of said cavities, a hook having an arched tip located in each cavity, each of said cavities being shaped for housing a corresponding one of the hooks with the arched tip pointed towards the exterior surface of the tube and facing a corresponding slot positioned on the cylindrical surface of said tubular body, each hook being movable with respect to the cavity into and out of the corresponding slot during the slidable movement of the anchoring device with respect to the tubular body;wherein said maneuvering element, housed within the tubular body is operated for, longitudinal sliding in two opposite directions of said at least one anchoring device, causing each hook to extend through the corresponding slot exterior of the tubular body;and wherein said drilled bushing slides without rotation with respect to the top end of said tubular body and has at least one arched lip for the contact with the bone in which said nail is inserted, a threaded screw having a head resting on the bushing, said bushing cooperating with the screw and threadably engaging the threadable interior portion of the tubular body.