Double dowel spinal fusion implant
AssigneeCortek, Inc.
InventorAndrew R. Sennett
Life of this patent
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Abstract
The invention is a unitary implant or graft made of allograft bone or of similar material and shaped as a conjoined double dowel. Six embodiments of the implant are shown along with three embodiments for a vertebral distractor and reamer guide.
Claims6
An intervertebral implant comprising a unitary body having a shape, said shape having a width, said shape comprising a conjoined pair of cylinders, said pair comprising a first cylinder having a first centerline and a first radius and a second cylinder having a second centerline and a second radius, said cylinders being conjoined such that the first centerline and the second centerline are separated so as to be coplanar and such that the separation between the first centerline and the second centerline is less than the sum of the first radius and the second radius, whereby the width of the shape is less than the sum of the diameter of the first cylinder and the diameter of the second cylinder.
Dependencies are inferred from the claim text.