SCREW BONE IMPLANT
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Apr 7, 2022
app pub date -
Jan 7, 2020
filing date -
Jan 7, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A screw implant is provided for the distraction, fusion, or compression of two adjacent bone structures or two adjacent bone fragments. The implant is a fully threaded screw with a headless proximal end having a drive engagement feature and a blunt distal end for insertion into bone or related tissue. The implant has roughened and porous surfaces throughout and is fully coated with hydroxyapatite and/or tri-calcium phosphate to allow for bone in-growth. The implant may have uniform low pitch cortical threads, or variable pitch threads, with low pitch cortical threads on one end and larger pitch cancellous threads on the other end. The implant may be used for the distraction of spinal vertebrae. The implants may have a cannulation channel and fenestrations.
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