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AssigneeAzurmeds Inc.
InventorsJean-Marie BERGER, PIERRIC DERANSART, Christopher R. CHUINARD, Thomas Bradley EDWARDS, Grant E. GARRIGUES, Armodios M. HATZIDAKIS, Gregory P. NICHOLSON, Felix Buddy Savoie
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Disclosed is a bone screw fixation device including two screws and only two. The bone screw includes: a first screw provided at its proximal end with a head for compressing the bone by an end-abutment; and a second screw provided at its distal end with a bone threading having a first helix pitch and at its proximal end with a bone threading having a helix with a pitch smaller than the first helix pitch.
A bone screw fixation device comprising two screws and only two, comprising:
A bone screw provided at a proximal end with a head for compressing the bone by an end-abutment, at a distal end with a bone threading according to a first pitch, wherein the bone screw comprises under the head a proximal smooth portion and the bone screw comprises under the proximal smooth portion a proximal threaded portion threaded according to a second pitch smaller than the first pitch.
Dependencies are inferred from the claim text.