US Patent No: 7,763,057

Number of patents in Portfolio can not be more than 2000

Biased angle polyaxial pedicle screw assembly

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Importance

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Abstract

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A pedicle screw assembly and method of assembly comprises a longitudinal member; a screw head comprising a bulbous end, wherein the screw head has a slot adapted to receive the longitudinal member; a bone fixator component comprising a concave socket having a biased angled top and a rounded bottom adapted to receive the screw head; a locking pin adapted to engage the screw head, the bone fixator component, and the longitudinal member; and a blocker adapted to engage the screw head and to secure the longitudinal member. Additionally, the bone fixator component may be configured as any of a bone screw and a hook.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CUSTOM SPINE ACQUISITION, INC.MARIETTA, GA47

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abdelgany, Mahmoud F Rockaway, US 66 1195
Markworth, Aaron D Saddle Brook, US 19 892

Cited Art Landscape

Patent Info (Count) # Cites Year
 
CROSS MEDICAL PRODUCTS, INC. (1)
6,302,888 Locking dovetail and self-limiting set screw assembly for a spinal stabilization member 385 1999
 
Other [Check patent profile for assignment information] (4)
4,946,458 Pedicle screw 577 1989
5,672,176 Anchoring member 494 1996
5,964,767 Hollow sealable device for temporary or permanent surgical placement through a bone to provide a passageway into a cavity or internal anatomic site in a mammal 133 1997
6,368,321 Lockable swivel head bone screw 197 2000
 
DEPUY SPINE, INC. (1)
6,641,586 Closure system for spinal fixation instrumentation 89 2002
 
STRYKER CORPORATION (1)
5,129,388 Device for supporting the spinal column 352 1990
 
SDGI HOLDINGS, INC. (3)
5,246,442 Spinal hook 101 1991
6,053,917 Multi-axial bone screw assembly 384 1999
6,660,004 Multi-axial bone screw assembly 284 2001
 
CROSS MEDICAL PRODUCTS, LLC (3)
5,360,431 Transpedicular screw system and method of use 555 1992
5,466,237 Variable locking stabilizer anchor seat and screw 469 1993
5,474,555 Spinal implant system 595 1994
 
SIGNUS MEDIZINTECHNIK GMBH (1)
* 7,524,326 Bone screw 25 2004
 
MULLANE, THOMAS (1)
6,623,485 Split ring bone screw for a spinal fixation system 283 2001
 
HOWMEDICA OSTEONICS CORP. (2)
6,090,111 Device for securing spinal rods 397 1998
6,565,565 Device for securing spinal rods 390 2000
 
Sofamor S.N.C. (1)
6,475,218 Spinal implant for an osteosynthesis device 73 2001
 
STRYKER SPINE (4)
* 6,554,834 Slotted head pedicle screw assembly 278 1999
6,488,681 Pedicle screw assembly 276 2001
6,974,460 Biased angulation bone fixation assembly 140 2002
6,858,030 Pedicle screw assembly and methods therefor 132 2002
 
STRYKER TECHNOLOGIES CORPORATION (3)
* 5,735,851 Modular polyaxial locking pedicle screw 162 1996
5,733,286 Rod securing polyaxial locking screw and coupling element assembly 312 1997
* 5,752,957 Polyaxial mechanism for use with orthopaedic implant devices 251 1997
 
STRYKER EUROPEAN HOLDINGS I, LLC (4)
5,476,464 Device for setting a spine 218 1994
6,022,350 Bone fixing device, in particular for fixing to the sacrum during osteosynthesis of the backbone 386 1997
6,074,391 Receiving part for a retaining component of a vertebral column implant 339 1998
6,290,703 Device for fixing the sacral bone to adjacent vertebrae during osteosynthesis of the backbone 237 2000
 
Society de Fabrication de Material Orthopedique, S.A. (1)
5,067,955 Vertebral implant for osteosynthesis device 274 1990
 
BIEDERMANN TECHNOLOGIES GMBH & CO. KG (3)
5,443,467 Bone screw 529 1994
5,545,165 Anchoring member 240 1994
6,736,820 Bone screw 209 2001
 
SCHÄFER, BERND (1)
6,485,492 Osteosynthesis device 102 2001
 
BIEDERMANN MOTECH GMBH (1)
2004/0153,077 Bone screw 85 2004
 
STRYKER TRAUMA GMBH (2)
6,090,110 Apparatus for bracing vertebrae 193 1997
7,128,743 Apparatus for bracing vertebrae 120 2003
 
ZIMMER SPINE, INC. (10)
6,416,515 Spinal fixation system 194 1996
6,045,579 Adjustable height fusion device 389 1997
6,595,992 Method and apparatus for spinal fixation 177 1997
* 5,989,250 Method and apparatus for spinal fixation 165 1998
6,454,769 System and method for stabilizing the human spine with a bone plate 312 1998
6,132,430 Spinal fixation system 229 1998
* 6,030,389 System and method for stabilizing the human spine with a bone plate 320 1998
6,613,050 Method and apparatus for spinal fixation 196 1999
6,562,040 Spinal fixation system 164 2000
6,648,888 Surgical instrument for moving a vertebra 268 2002
 
PLUS ENDOPROTHETK AG CH-6343 ROTKREUZ (1)
5,536,268 System for osteosynthesis at the vertebral column, connecting element for such a system and tool for its placement and removal 209 1994
 
INTELLIGENT IMPLANT SYSTEMS, LLC (3)
5,863,293 Spinal implant fixation assembly 364 1996
5,964,760 Spinal implant fixation assembly 391 1997
6,132,432 Spinal implant fixation assembly 228 1999
 
Fastenetix, LLC (2)
RE37665 Polyaxial pedicle screw having a threaded and tapered compression locking mechanism 241 2001
RE39089 Polyaxial pedicle screw having a threaded and tapered compression locking mechanism 113 2001
 
SYNTHES (U.S.A.) (1)
4,887,596 Open backed pedicle screw 260 1988
 
WARSAW ORTHOPEDIC, INC. (10)
5,669,911 Polyaxial pedicle screw 351 1996
5,879,350 Multi-axial bone screw assembly 447 1996
5,885,286 Multi-axial bone screw assembly 410 1997
5,951,553 Methods and apparatus for fusionless treatment of spinal deformities 146 1997
5,882,350 Polyaxial pedicle screw having a threaded and tapered compression locking mechanism 313 1998
6,113,601 Polyaxial pedicle screw having a loosely coupled locking cap 305 1998
6,280,442 Multi-axial bone screw assembly 399 1999
6,273,888 Device and method for selectively preventing the locking of a shape-memory alloy coupling system 249 1999
6,485,491 Posterior fixation system 365 2000
6,780,186 Anterior cervical plate having polyaxial locking screws and sliding coupling elements 164 2001
 
SYNTHES USA, LLC (10)
5,520,689 Osteosynthetic fastening device 273 1995
6,077,262 Posterior spinal implant 431 1997
6,063,090 Device for connecting a longitudinal support to a pedicle screw 389 1999
6,187,005 Variable angle spinal fixation system 315 1999
6,371,957 Device for connecting a longitudinal bar to a pedicle screw 206 1999
6,248,105 Device for connecting a longitudinal support with a pedicle screw 264 1999
6,610,063 Spinal fixation system 123 2001
7,022,122 Device for connecting a longitudinal bar to a pedicle screw 191 2002
* 6,890,334 Bone fixation assembly 121 2003
7,118,571 Spinal fixation system 18 2003
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (8)
8,394,133 Dynamic fixation assemblies with inner core and outer coil-like member 2 2010
9,216,039 Dynamic spinal stabilization assemblies, tool set and method 0 2010
* 2011/0245,876 Fully-Adjustable bone fixation device 11 2011
8,814,911 Polyaxial bone screw with cam connection and lock and release insert 0 2011
8,894,657 Tool system for dynamic spinal implants 2 2011
8,377,067 Orthopedic implant rod reduction tool set and method 11 2012
9,055,978 Orthopedic implant rod reduction tool set and method 0 2012
9,050,139 Orthopedic implant rod reduction tool set and method 1 2013
 
PIONEER SURGICAL TECHNOLOGY, INC. (1)
9,186,184 Spinal fixation system and method 0 2012
 
JACKSON, ROGER P. (4)
8,998,959 Polyaxial bone anchors with pop-on shank, fully constrained friction fit retainer and lock and release insert 0 2011
8,444,681 Polyaxial bone anchor with pop-on shank, friction fit retainer and winged insert 0 2012
9,168,069 Polyaxial bone anchor with pop-on shank and winged insert with lower skirt for engaging a friction fit retainer 0 2012
8,911,479 Multi-start closures for open implants 0 2013
 
BRUMFIELD, DAVID L. (1)
* 8,617,216 Fully-adjustable bone fixation device 2 2011
* Cited By Examiner

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 27, 2018
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 27, 2022
Fee Large entity fee small entity fee micro entity fee
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