Anterior lumbar/cervical bicortical compression plate
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United States of America Patent
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Feb 18, 1997
Issued Date -
N/A
app pub date -
Sep 29, 1994
filing date -
Sep 24, 1991
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Abstract
An anterior spinal fixation device which provides an anterior lumbar and cervical fusion fixation system which has numerous advantages over existing anterior, posterior and lateral implant systems. Anterior (access from the patient's stomach region) lumbar surgery allows the surgeon to remove the entire intervertebral disc, which is not possible during posterior or lateral surgery. Many interbody fusion operations require removal of disc material, insertion of new graft material and fusion of the adjoining vertebrae. This pate and screw fixation invention provides the ability to perform this function. The novelty of this invention includes overall design allowing for multiple fusions, a bicortical fixation system which is achieved by inserting four screws at a 45 degree angle into two cortical surfaces. It also provides structural integrity by placing more friction on the screws which allows for increased pull out strength. An anterior fixation device also is further from the spinal cord which reduces the chance of contact with the new roots.
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- 15 United States
- 10 France
- 8 Japan
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Aust, Gilbert M | 14 Asbury La., Huntsville, AL 35802 | 9 | 6484 |
Taylor, Timothy E | 1859 Shellbrook Dr., Huntsville, AL 35806 | 37 | 9693 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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