US Patent No: 8,123,810

Number of patents in Portfolio can not be more than 2000

Expandable intervertebral implant with wedged expansion member

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ALSO PUBLISHED AS: 20050278026
ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

An expandable intervertebral implant is described for insertion between vertebrae of a human spine. The intervertebral implant includes an upper body that engages a first vertebra of the human spine, a lower body that engages a second vertebra of the human spine, an insert, and an expansion member. The expansion member may include a first angled portion and a second angled portion. The expansion member may be advanced such that a first angled portion of the expansion member engages an angled portion of the insert to increase a separation distance between the upper body and the lower body of the intervertebral implant. An advancing element may engage a second angled portion of the expansion member such that a direction of advancement of the advancing element is different than the direction of advancement of the expansion member.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
FLEXUSPINE, INC.TYLER, TX23

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gordon, Charles R 8211 Rugby St., Philadelphia, PA 19150 37 945
Hanson, Heather S San Antonio, TX 34 958
Harbold, Corey T Tyler, TX 29 937

Cited Art

Patent Info (Count) # Cites Year
 
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5,797,909 Apparatus for inserting spinal implants 316 1995
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6,582,467 Expandable fusion cage 124 2001
6,666,891 Device and method for lumbar interbody fusion 53 2001
6,962,606 Expandable push-in interbody spinal fusion implant 64 2001
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FLEXUSPINE, INC. (20)
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DEPUY ACROMED, INC. (13)
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5,534,030 Spine disc 357 1994
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6,648,915 Intervertebral cage and method of use 77 1999
6,520,996 Orthopedic implant 151 2000
2002/0128,714 Orthopedic implant and method of making metal articles 83 2001
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GMEDELAWARE 2 LLC (13)
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2008/0177,310 FACET ARTHROPLASTY DEVICES AND METHODS 31 2008
 
RACHIOTEK LLC (11)
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5,192,326 Hydrogel bead intervertebral disc nucleus 448 1991
5,676,701 Low wear artificial spinal disc 457 1995
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5,562,737 Extra-discal intervertebral prosthesis 244 1994
5,562,738 Intervertebral disk arthroplasty device 416 1995
5,562,663 Implant interconnection mechanism 188 1995
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YALE UNIVERSITY (9)
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KYPHON SARL (5)
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DARRELL C. BRETT, M.D., P.C. (2)
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DEPUY SPINE, INC. (2)
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SYNTHES USA, LLC (2)
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BRIDPORT-GUNDRY PLC C/O PEARSALLS IMPLANTS (1)
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FASTENETIX, LLC (1)
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GENESIS MEDICAL, LLC (1)
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JBS S.A. (1)
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6,928,284 Inhibiting handover to a new serving GPRS support node during a real-time call in a telecommunication system 25 2001
 
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MUHANNA, NABIL L. (1)
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PRUFER (1)
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PSI (1)
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SCIENT'X (1)
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SHIMA; YUMIKO (1)
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SPECIALIST PROPERTIES, LLC (1)
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SYNTHES (U.S.A.) (1)
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5,810,819 Polyaxial pedicle screw having a compression locking rod gripping mechanism 147 1997
 
TELECT, INC. (1)
6,821,298 Anterior expandable spinal fusion cage system 96 2000
 
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (1)
6,893,464 Method and apparatus for providing an expandable spinal fusion cage 53 2002
 
THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA (1)
6,569,442 Preparation of polymer foam having gelled sol coating for intervertebral disc reformation 47 2001
 
TORNIER SAS (1)
5,676,702 Elastic disc prosthesis 357 1995
 
UNITED STATE SURGICAL CORPORATION (1)
5,785,647 Surgical instruments useful for spinal surgery 59 1996
 
UNIVERSITE PIERRE ET MARIE CURIE (1)
5,674,294 Intervertebral disk prosthesis 237 1994
 
UNIVERSITY OF MIAMI (1)
5,415,661 Implantable spinal assist device 588 1993
 
VANDERBILT UNIVERSITY (1)
4,932,975 Vertebral prosthesis 457 1989
 
VERTEBRAL TECHNOLOGIES, INC. (1)
2006/0195,191 Modular disc device 39 2006
 
VERTX, INC. (1)
6,595,998 Tissue distraction device 130 2001
 
WANGROONGSUB, YONGSAK (1)
5,861,041 Intervertebral disk prosthesis and method of making the same 116 1997
 
WHITE, PATRICK (1)
2006/0264,937 Mobile spine stabilization device 123 2005
 
X-SPINE SYSTEMS, INC. (1)
2006/0095,132 Prosthetic implant and method 24 2004
 
ZIMMER TECHNOLOGY, INC. (1)
4,863,476 Spinal implant 466 1987
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (58)
4,349,921 Intervertebral disc prosthesis 762 1980
4,309,777 Artificial intervertebral disc 598 1980
4,657,550 Buttressing device usable in a vertebral prosthesis 397 1986
4,863,477 Synthetic intervertebral disc prosthesis 464 1987
5,042,982 Positioning device 180 1989
4,946,458 Pedicle screw 434 1989
4,907,577 Spinal transpedicle drill jig 62 1989
5,092,867 Correction and supporting apparatus, in particular for the spinal column 140 1990
5,246,458 Artificial disk 314 1992
5,336,223 Telescoping spinal fixator 231 1993
5,423,816 Intervertebral locking device 192 1993
5,514,180 Prosthetic intervertebral devices 570 1994
5,458,642 Synthetic intervertebral disc 341 1994
5,665,122 Expandable intervertebral cage and surgical method 390 1995
5,702,450 Intervertebral disk prosthesis 335 1996
5,672,176 Anchoring member 337 1996
5,683,465 Artificial intervertebral disk prosthesis 370 1996
5,895,428 Load bearing spinal joint implant 292 1996
5,961,554 Intervertebral spacer 95 1996
5,865,846 Human spinal disc prosthesis 509 1997
5,893,889 Artificial disc 372 1997
5,800,550 Interbody fusion cage 234 1997
5,888,226 Intervertebral prosthetic disc 408 1997
5,980,522 Expandable spinal implants 220 1997
5,989,290 Height-adjustable artificial vertebral body 155 1997
5,951,555 Device for the correction of spinal deformities 110 1998
6,102,950 Intervertebral body fusion device 215 1999
6,231,609 Disc replacement prosthesis 146 1999
6,214,050 Expandable implant for inter-bone stabilization and adapted to extrude osteogenic material, and a method of stabilizing bones while extruding osteogenic material 118 1999
6,217,579 Expandable spinal implants 72 1999
6,395,034 Intervertebral disc prosthesis 186 1999
6,692,495 Vertebral fixator and articulation 121 2000
6,454,807 Articulated expandable spinal fusion cage system 95 2000
6,773,460 Anterior variable expandable fusion cage 79 2000
6,488,710 Reinforced expandable cage and method of deploying 148 2001
2002/0130,112 Orthopedic implant and method of making metal articles 31 2001
2002/0045,945 Expandable interbody fusion cage 23 2001
6,572,653 Vertebral implant adapted for posterior insertion 239 2001
2004/0106,997 Apparatus and method for creating a surgical channel 57 2002
6,685,742 Articulated anterior expandable spinal fusion cage system 133 2002
7,338,525 Methods and apparatus for preventing the migration of intradiscal devices 44 2003
2003/0220,643 Devices to prevent spinal extension 248 2003
2006/0155,377 Intervertebral disk prosthesis 30 2003
2004/0254,643 Articulated anterior expandable spinal fusion cage system 39 2004
7,083,622 Artificial facet joint and method 116 2004
6,991,632 Adjustable rod and connector device and method of use 141 2004
2007/0162,137 Intervertebral disk implant 20 2004
2005/0209,698 Expandable intervertebral implant 44 2005
7,753,958 Expandable intervertebral implant 21 2005
2005/0149,023 Adjustable rod and connector device and method of use 98 2005
2006/0036,245 Surgical base unit and retractor support mechanism 21 2005
2006/0009,768 Dynamic fixation device and method of use 80 2005
2006/0167,547 Expandable intervertebral fusion implants having hinged sidewalls 28 2006
2006/0229,729 Expandable intervertebral implant for use with instrument 32 2006
2006/0265,068 Intervertebral implant 31 2006
7,951,170 Dynamic stabilization connecting member with pre-tensioned solid core 17 2008
2009/0105,764 Dynamic stabilization member with fin support and solid core extension 13 2008
2009/0105,820 Dynamic stabilization member with fin support and cable core extension 16 2008

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
FLEXUSPINE, INC. (8)
8,257,440 Method of insertion of an expandable intervertebral implant 1 2005
8,172,903 Expandable intervertebral implant with spacer 4 2005
8,377,098 Artificial functional spinal unit system and method for use 0 2007
8,267,965 Spinal stabilization systems with dynamic interbody devices 1 2007
8,187,330 Dampener system for a posterior stabilization system with a variable length elongated member 4 2007
8,182,514 Dampener system for a posterior stabilization system with a fixed length elongated member 4 2007
8,157,844 Dampener system for a posterior stabilization system with a variable length elongated member 4 2007
8,388,687 Interbody device insertion systems and methods 0 2011

Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 Aug 28, 2015
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 28, 2019
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 28, 2023
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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