US Patent No: 6,666,889
Number of patents in Portfolio can not be more than 2000
Intersomatic implant for sagittal insertion and suitable for being offset transversely in the frontal plane
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Dec 23, 2003
Issued date -
Jul 12, 2001
filing date -
09/889,190
serial no -
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Abstract
A lumbar intersomatic implant for insertion into the discal space between two adjacent vertebrae for reestablishing the anatomical intervertebral space, the implant being in the form of a generally rectangular cage having two sagittal walls interconnected by at least an anterior transverse wall and a posterior transverse wall, the walls defining between them an open volume for filling with bone. An "outer" one of the sagittal walls of the implant presents a top rim and a bottom rim each shaped to present at least one retention edge extending substantially in the sagittal plane, making insertion via a posterior path possible, and an outer face arranged to present a penetration assisting shape enabling the cage to be offset transversely to a locking position in the discal space, which position is obtained by the retention edge preventing the cage from being reversed transversely.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,609,635 Lordotic interbody spinal fusion implants | 484 | 1995 | |
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| 6,224,631 Intervertebral implant with reduced contact area and method | 150 | 1998 | |
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 23, 2015 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
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