
US Patent No: 6,419,705
Number of patents in Portfolio can not be more than 2000
Expandable fusion device and method
Stats
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Jul 16, 2002
Issued date -
Jun 23, 1999
filing date -
09/338,688
serial no -
In Force
status
Importance
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Abstract
The present invention is directed to expandable bone fusion devices and methods of use. In general, a fusion device according to the invention includes a first member and a second member which can be deployed and locked into an expanded configuration to stabilize the adjacent bone during fusion of the bone.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,059,193 Expandable spinal implant and surgical method | 649 | 1990 | |
| 5,489,308 Spinal implant | 411 | 1994 | |
| 5,865,847 Lordotic spinal implant | 104 | 1997 | |
| 6,224,631 Intervertebral implant with reduced contact area and method | 150 | 1998 | |
| 6,183,517 Expandable intervertebral fusion implant and applicator | 72 | 1998 | |
| 6,174,334 Expandable intervertebral fusion implant and applicator | 82 | 1999 | |
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| 4,878,915 Surgical prosthetic implant facilitating vertebral interbody fusion | 602 | 1989 | |
| 5,192,327 Surgical prosthetic implant for vertebrae | 637 | 1991 | |
| 5,425,772 Prosthetic implant for intervertebral spinal fusion | 452 | 1993 | |
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| 5,390,683 Spinal implantation methods utilizing a middle expandable implant | 359 | 1993 | |
| 5,653,762 Method of stabilizing adjacent vertebrae with rotating, lockable, middle-expanded intervertebral disk stabilizer | 253 | 1995 | |
| 5,658,336 Rotating, locking, middle-expanded intervertebral disk stabilizer | 105 | 1995 | |
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| 5,015,247 Threaded spinal implant | 744 | 1988 | |
| 5,776,199 Artificial spinal fusion implants | 282 | 1997 | |
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| 5,290,312 Artificial vertebral body | 289 | 1991 | |
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| 5,865,848 Dynamic intervertebral spacer and method of use | 257 | 1997 | |
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| 4,961,740 V-thread fusion cage and method of fusing a bone joint | 560 | 1988 | |
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| 5,723,013 Spacer implant for substituting missing vertebrae | 149 | 1996 | |
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| 6,129,763 Expandable osteosynthesis cage | 138 | 1998 | |
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| 5,653,763 Intervertebral space shape conforming cage device | 256 | 1996 | |
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| 5,749,916 Fusion implant | 137 | 1997 | |
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| 4,501,269 Process for fusing bone joints | 525 | 1984 | |
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| 5,405,391 Fusion stabilization chamber | 142 | 1993 | |
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| 4,309,777 Artificial intervertebral disc | 595 | 1980 | |
| 4,401,112 Spinal fixator | 420 | 1981 | |
| 4,554,914 Prosthetic vertebral body | 437 | 1983 | |
| 4,657,550 Buttressing device usable in a vertebral prosthesis | 395 | 1986 | |
| 5,693,100 Middle expandable intervertebral disk implant | 224 | 1996 | |
| 5,980,522 Expandable spinal implants | 218 | 1997 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 16, 2014 |
| 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 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |