US Patent No: 7,214,186

Number of patents in Portfolio can not be more than 2000

Method and device for retractor for microsurgical intermuscular lumbar arthrodesis

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Abstract

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An instrument useful in performing lumbar arthrodesis with a minimal approach which spares the lumbar muscles from surgical disruption and includes one of two retractor designs having blades angled approximately 90.degree. with respect to each respective retractor handle. One blade is bent at an end portion thereof in a direction away from the handle portion. The other blade has first and second blade faces, with the second face having at least two toothed structures located thereon.

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First Claim

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Patent Owner(s)

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International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ritland, Stephen Flagstaff, AZ 47 1767

Cited Art Landscape

Patent Info (Count) # Cites Year
 
WARSAW ORTHOPEDIC, INC. (17)
5,593,409 Interbody spinal fusion implants 490 1995
6,080,155 Method of inserting and preloading spinal implants 322 1995
5,785,710 Interbody spinal fusion implants 215 1995
6,270,498 Apparatus for inserting spinal implants 184 1995
6,123,705 Interbody spinal fusion implants 183 1996
5,902,231 Devices and methods for percutaneous surgery 300 1996
6,206,922 Methods and instruments for interbody fusion 228 1998
6,152,871 Apparatus for percutaneous surgery 234 1998
6,206,923 Flexible implant using partially demineralized bone 165 1999
6,245,072 Methods and instruments for interbody fusion 92 1999
6,206,826 Devices and methods for percutaneous surgery 205 1999
6,210,413 Connecting apparatus using shape-memory technology 141 1999
6,287,313 Screw delivery system and method 177 1999
6,293,949 Superelastic spinal stabilization system and method 453 2000
2002/0068,973 Threaded interbody device 20 2000
6,443,989 Posterior expandable fusion cage 79 2000
2001/0047,207 Self-broaching, rotatable, push-in interbody spinal fusion implant and method for deployment thereof 32 2001
 
ZIMMER SPINE, INC. (16)
4,743,260 Method for a flexible stabilization system for a vertebral column 451 1985
5,489,308 Spinal implant 458 1994
6,149,686 Threaded spinal implant with bone ingrowth openings 77 1996
6,045,579 Adjustable height fusion device 294 1997
5,865,847 Lordotic spinal implant 120 1997
5,897,593 Lordotic spinal implant 92 1997
6,120,506 Lordotic spinal implant 117 1997
6,224,631 Intervertebral implant with reduced contact area and method 169 1998
5,997,539 Polyaxial pedicle screw having a compression locking rod gripping mechanism 115 1998
6,132,430 Spinal fixation system 205 1998
6,080,193 Adjustable height fusion device 249 1998
6,368,350 Intervertebral disc prosthesis and method 369 1999
6,113,602 Posterior spinal instrument guide and method 175 1999
6,283,966 Spinal surgery tools and positioning method 83 1999
6,391,058 Threaded spinal implant with convex trailing surface 69 1999
6,530,926 Method of securing vertebrae 196 2000
 
HOWMEDICA OSTEONICS CORP. (13)
5,026,373 Surgical method and apparatus for fusing adjacent bone structures 533 1989
5,055,104 Surgically implanting threaded fusion cages between adjacent low-back vertebrae by an anterior approach 507 1989
5,591,166 Multi angle bone bolt 285 1995
5,766,253 Spinal fusion device 177 1996
5,885,299 Apparatus and method for implant insertion 292 1996
5,782,832 Spinal fusion implant and method of insertion thereof 442 1996
5,968,098 Apparatus for fusing adjacent bone structures 226 1996
6,190,414 Apparatus for fusion of adjacent bone structures 419 1996
5,906,616 Conically shaped anterior fusion cage and method of implantation 148 1997
6,083,225 Method and instrumentation for implant insertion 261 1997
6,102,948 Spinal fusion device 98 1997
6,267,763 Method and apparatus for spinal implant insertion 148 1999
6,395,033 Dynamic fusion mechanostat devices 46 2000
 
KYPHON SARL (13)
5,836,948 Spine distraction implant and method 501 1997
5,860,977 Spine distraction implant and method 439 1997
6,074,390 Spine distraction implant and method 247 1998
6,090,112 Spine distraction implant and method 154 1998
5,876,404 Spine distraction implant and method 181 1998
6,068,630 Spine distraction implant 340 1998
6,048,342 Spine distraction implant 368 1998
6,156,038 Spine distraction implant and method 155 1999
6,149,652 Spine distraction implant and method 147 1999
6,152,926 Spine distraction implant and method 144 1999
6,190,387 Spine distraction implant 151 1999
6,235,030 Spine distraction implant 194 1999
6,332,883 Spine distraction implant 145 2000
 
SDGI HOLDINGS, INC. (10)
5,643,264 Iliac screw 73 1995
5,792,044 Devices and methods for percutaneous surgery 361 1996
5,954,635 Devices and methods for percutaneous surgery 252 1997
6,007,487 Tissue retractor for use through a cannula 203 1997
5,891,147 Minimally invasive spinal surgical methods & instruments 197 1997
6,176,823 Fixture for supporting a viewing element within a cannula 109 1998
6,162,170 Devices and methods for percutaneous surgery 130 1999
6,217,509 Devices and methods for percutaneous surgery 182 1999
6,206,822 Devices and methods for percutaneous surgery 163 1999
6,520,907 Methods for accessing the spinal column 276 1999
 
BOSTON SCIENTIFIC SCIMED, INC. (4)
5,292,309 Surgical depth measuring instrument and method 210 1993
5,431,639 Treating wounds caused by medical procedures 285 1993
5,489,274 Rotatable medical valve closure 74 1994
5,766,221 Bone anchor implantation device 160 1995
 
SYNTHES USA, LLC (4)
5,002,542 Pedicle screw clamp 178 1989
5,851,207 Freely separable surgical drill guide and plate 137 1997
6,342,057 Remotely aligned surgical drill guide 127 2000
6,524,238 Universal handle and method for use 53 2000
 
ZIMMER TECHNOLOGY, INC. (4)
5,312,405 Spinal rod coupler 210 1992
5,275,600 Telescoping rod to rod coupler for a spinal system 94 1992
5,484,440 Bone screw and screwdriver 135 1994
6,258,097 Head center instrument and method of using the same 73 2000
 
K2M, LLC (3)
5,725,528 Modular polyaxial locking pedicle screw 219 1997
5,752,957 Polyaxial mechanism for use with orthopaedic implant devices 204 1997
5,800,435 Modular spinal plate for use with modular polyaxial locking pedicle screws 264 1997
 
OLYMPUS OPTICAL CO., LTD. (3)
6,371,968 Cavity retaining tool for bone surgery, a cavity retaining tool for general surgery, an endoscopic surgery system involving the use of a cavity retaining tool, and a procedure for surgery 221 1997
6,120,434 Method of securing a cavity using a rigid sheath with transparent cap 98 1997
5,976,146 Surgical operation system and method of securing working space for surgical operation in body 214 1998
 
Sangadensetsukogyo Co., Ltd. (3)
D433296 Socket for manual tool 33 1999
D436513 Socket for screwdriver 33 1999
6,418,821 Working tool 38 2000
 
B. Braun Melsungen AG (2)
5,135,525 Catheter set for continuous spinal anaesthesia 116 1990
5,106,376 Anaesthesia set 137 1990
 
CHILDREN'S MEDICAL CENTER CORPORATION (2)
5,565,502 Isolation of the calcium-phosphate crystals of bone 50 1995
5,691,397 Isolation of the calcium-phosphate crystals of bone 46 1996
 
DEPUY SYNTHES PRODUCTS, LLC (2)
6,159,179 Cannula and sizing and insertion method 129 1999
2005/0004,593 Non cannulated dilators 130 2004
 
GREENBERG SURGICAL TECHNOLOGIES, LLC (2)
5,133,720 Surgical drill guide and retractor 61 1991
5,558,622 Mandibular border retractor and method for fixating a fractured mandible 50 1994
 
LIFESHIELD SCIENCES LLC (2)
2004/0158,312 Braided endoluminal device having tapered filaments 4 2003
2004/0158,312 Braided endoluminal device having tapered filaments 4 2003
 
SOFAMOR DANEK GROUP, INC. (2)
5,643,263 Spinal implant connection assembly 112 1995
5,885,285 Spinal implant connection assembly 120 1996
 
STRYKER SPINE (2)
6,440,169 Interspinous stabilizer to be fixed to spinous processes of two vertebrae 459 2000
6,565,569 Backbone osteosynthesis system with clamping means, in particlular for anterior fixing 57 2001
 
TYCO HEALTHCARE GROUP LP (2)
5,275,611 Tension guide and dilator 111 1992
5,312,360 Tension guide and dilator 126 1993
 
United States Surgical Corporation (2)
6,224,608 Tissue holding device and method 70 1993
6,063,088 Method and instrumentation for implant insertion 312 1997
 
2507-PARADIGM BIODEVICES, INC. (1)
5,954,671 Bone harvesting method and apparatus 79 1998
 
ABBOTT SPINE INC. (1)
2003/0171,749 Semirigid linking piece for stabilizing the spine 238 2003
 
ACROMED (1)
5,129,900 Spinal column retaining method and apparatus 311 1990
 
Advanced Technical Fabrication (1)
5,683,463 Intersomatic vertebral column implant 186 1994
 
AESCULAP AG & CO. KG (1)
5,035,232 Retractor 94 1990
 
ALPHATEC MANUFACTURING, INC. (1)
5,098,435 Cannula 202 1990
 
ANOVA CORP. (1)
6,248,106 Cross-coupled vertebral stabilizers 238 2000
 
APPLIED MEDICAL RESOURCES CORPORATION (1)
5,743,853 Serrated S-retractor 58 1996
 
ARTIFEX LTD. (1)
5,865,848 Dynamic intervertebral spacer and method of use 313 1997
 
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA (1)
5,885,300 Guide apparatus of intervertebral implant 89 1997
 
B.E.I. Medical (1)
5,472,426 Cervical discectomy instruments 151 1993
 
BIOMET MANUFACTURING CORP. (1)
5,895,390 Pin placement guide used in making a bone entry hole for implantation of an intramedullary nail 82 1997
 
CODMAN & SHURTLEFF, INC. (1)
5,052,373 Spinal retractor 264 1990
 
CONMED CORPORATION (1)
5,279,567 Trocar and tube with pressure signal 109 1992
 
COVIDIEN AG (1)
5,816,257 Gasless retroperitoneal surgical procedure 48 1995
 
CROSS MEDICAL PRODUCTS, LLC (1)
5,474,555 Spinal implant system 478 1994
 
DEPUY ACROMED, INC. (1)
5,716,415 Spinal implant 361 1996
 
DEPUY SPINE SARL (1)
6,117,137 Osteosynthesis device 66 1999
 
DEPUY SPINE, INC. (1)
2003/0187,431 Apparatus and method for targeting for surgical procedures 38 2002
 
DYNAMIC SPINE, INC. (1)
5,827,328 Intervertebral prosthetic device 316 1996
 
ETHICON ENDO-SURGERY, INC. (1)
6,197,002 Laparoscopic tool and method 102 1999
 
FARRELL, EDWARD M. (1)
4,862,891 Device for sequential percutaneous dilation 180 1988
 
GENERAL SURGICAL INNOVATIONS, INC. (1)
5,913,818 Vascular retractor 64 1997
 
H. G. Wallace Limited (1)
4,863,423 Catheter and cannula assembly 47 1988
 
HOPITAL ORTHOPEDIQUE DE LA SUISSE ROMANDE (1)
2002/0058,948 Targeting system and method for distal locking of intramedullary nails 39 2001
 
INNOVASIVE ACQUISITION CORP. (1)
5,431,651 Cross pin and set screw femoral and tibial fixation method 137 1993
 
INTEGRA OHIO, INC. (1)
5,928,233 Spinal fixation device with laterally attachable connectors 161 1997
 
ISOLA IMPLANTS, INC. (1)
5,984,924 Bone alignment system having variable orientation bone anchors 75 1998
 
JPMORGAN CHASE BANK, N.A. (1)
6,156,006 Medical instrument system for piercing through tissue 72 1999
 
LASERSCOPE, A CORP. OF CA (1)
5,084,043 Method for performing a percutaneous diskectomy using a laser 111 1990
 
Machida Endoscope Co., Ltd. (1)
6,461,330 Surgical operation guiding apparatus 46 2000
 
MASCO CORPORATION OF INDIANA (1)
D466766 Wrench 32 2001
 
MCPHERSON, WILLIAM E. (1)
5,687,739 Biopsy specimen cutter 73 1996
 
MEDICREA TECHNOLOGIES (1)
6,267,765 Multidirectional adaptable vertebral osteosyntsis device with reduced space requirement 165 2000
 
MITEK SURGICAL PRODUCTS, INC. (1)
5,356,413 Surgical anchor and method for deploying the same 209 1993
 
NEMCOMED, INC. (1)
6,312,432 Bone drill 46 2000
 
Neurodynamics, Inc. (1)
6,206,885 Catheter guide and drill guide apparatus and method for perpendicular insertion into a cranium orifice 68 1999
 
ORTHOPEDIC SYSTEMS, INC. (1)
RE36020 Method and apparatus for tying suture to bone 88 1995
 
PARADIGM SPINE (1)
5,645,599 Interspinal vertebral implant 638 1996
 
RICHARDS MEDICAL COMPANY (1)
4,617,922 Compression screw assembly 43 1984
 
ROBERT REID, INC. (1)
6,074,393 Bone fixing screws 39 1997
 
Shapiro Partners Limited (1)
5,439,464 Method and instruments for performing arthroscopic spinal surgery 347 1993
 
SMITH & NEPHEW ORTHOPAEDICS AG (1)
6,290,700 Device for stiffening and/or correcting a vertebral column or such like 149 2000
 
SMITH & NEPHEW RICHARDS INC. (1)
4,573,448 Method for decompressing herniated intervertebral discs 487 1983
 
SOFAMOR DANEK HOLDINGS, INC. (1)
6,348,058 Image guided spinal surgery guide, system, and method for use thereof 211 1998
 
Solco Surgical Instruments Co., Ltd. (1)
6,264,658 Spine fixing apparatus 89 1999
 
SPIDER-TEK, LLC (1)
6,368,351 Intervertebral space implant for use in spinal fusion procedures 164 2001
 
SPINEOLOGY, INC. (1)
5,591,235 Spinal fixation device 229 1995
 
ST. FRANCIS MEDICAL TECHNOLOGIES, INC. (1)
6,183,471 Spine distraction implant and method 145 1998
 
St. Francis Technologies, Inc. (1)
6,238,397 Spine distraction implant and method 175 1999
 
STECK MNAUFACTURING COMPANY, INC. (1)
2002/0011,135 Reversible socket wrench set 34 2001
 
STEPHEN RITLAND (1)
2003/0220,689 Device and method for assisting in positioning implants 34 2003
 
STRYKER FRANCE S.A. (1)
6,267,764 Osteosynthesis system with elastic deformation for spinal column 223 1999
 
STRYKER TRAUMA GMBH (1)
6,261,287 Apparatus for bracing vertebrae 163 2000
 
SURGICAL DESIGN SYSTEMS, LLC (1)
5,363,841 Retractor for spinal surgery 74 1993
 
SYNTHES (U.S.A.) (1)
4,803,976 Sighting instrument 190 1988
 
TERUMO KABUSHIKI KAISHA (1)
6,162,236 Trocar needle and expandable trocar tube 115 1997
 
TEXTRON IPMP L.P. (1)
6,354,176 Universal deep socket and adapter 47 2000
 
THE CLEVELAND CLINIC FOUNDATION (1)
6,551,320 Method and apparatus for correcting spinal deformity 138 2001
 
The Procter & Gamble Company (1)
5,628,740 Articulating toggle bolt bone screw 269 1995
 
THOMPSON SURGICAL INSTRUMENTS, INC. (1)
6,296,609 Surgical retractor and related surgical approach to access the anterior lumbar region 48 2000
 
ULRICH GROSS (1)
5,002,576 Intervertebral disk endoprosthesis 398 1989
 
UNIVERSITY OF MIAMI (1)
5,415,661 Implantable spinal assist device 688 1993
 
VANDERBILT UNIVERSITY (1)
5,735,899 Low profile intraosseous anterior spinal fusion system and method 150 1996
 
Vector Medical, Inc. (1)
6,081,741 Infrared surgical site locating device and method 84 1999
 
VYGON (1)
5,611,778 Surgical instrument for performing epidural anesthesia 69 1994
 
Watanabe Orthopedic Systems, Inc. (1)
4,747,394 Spinal retractor 103 1986
 
WAXMAN, HENRY A. (1)
6,214,004 Vertebral triplaner alignment facilitator 42 1998
 
WENZEL SPINE, INC. (1)
5,030,220 Spine fixation system 289 1990
 
WORCESTER POLYTECHNIC INSTITUTE (1)
5,746,741 External fixator system 78 1996
 
ZIMMER DENTAL, INC. (1)
5,306,309 Spinal disk implant and implantation kit 639 1992
 
Other [Check patent profile for assignment information] (53)
4,232,660 Winged irrigating surgical retractor 85 1979
4,481,947 Endotracheal tube retractor 47 1980
4,440,168 Surgical device 44 1981
4,545,374 Method and instruments for performing a percutaneous lumbar diskectomy 730 1982
4,736,738 Instrument kit and procedure for performing posterior lumbar interbody fusion 220 1985
4,620,460 Socket set 44 1985
4,686,972 Surgical deflector and drilling guide 132 1986
4,798,111 Socket-wrench hand tool 34 1987
4,817,587 Ring para-spinal retractor 106 1987
4,995,875 Femoral elevating tool 35 1988
4,882,958 Stacking socket wrench set 43 1988
5,048,379 Multi-functional double-ended socket wrenches 57 1990
5,158,543 Laparoscopic surgical system and method 143 1990
5,148,724 Ratchet wrench and socket apparatus 40 1991
5,195,541 Method of performing laparoscopic lumbar discectomy 254 1991
5,303,694 Method for performing hip surgery and retractor for use therein 58 1993
5,512,038 Spinal retractor apparatus having a curved blade 79 1993
D361381 Combined spine and sternum retractor frame 47 1994
5,601,550 Pelvic pin guide system for insertion of pins into iliac bone 77 1994
5,466,238 Vertebral locking and retrieving system having a fixation crossbar 37 1994
5,882,344 Adjustable length cannula and trocar 158 1995
5,899,901 Spinal fixation system 132 1995
5,690,632 Osteosynthesis screw fastener having angularly adjustable threads and methods of use therefor 134 1995
5,746,720 Method and apparatus for insertion of a cannula and trocar 108 1995
5,702,455 Expandable prosthesis for spinal fusion 445 1996
5,971,920 Surgical retractor 44 1997
5,944,658 Lumbar spinal fusion retractor and distractor system 242 1997
D399955 Combined spine/sternum retractor frame and blades 36 1997
5,996,447 Sink wrench 47 1997
6,179,838 Bone fixation arrangements and method 114 1998
5,895,352 Surgical retractor 53 1998
6,010,520 Double tapered esophageal dilator 53 1998
5,928,139 Retractor with adjustable length blades and light pipe guides 199 1998
6,117,174 Spinal implant device 151 1998
5,967,970 System and method for balloon-assisted retraction tube 57 1998
6,123,706 Apparatus for stabilizing certain vertebrae of the spine 100 1998
6,050,997 Spinal fixation system 225 1999
6,224,597 Vertebral triplaner alignment method 41 1999
D438074 Tap socket 32 1999
6,371,959 Radiolucent position locating device and drill guide 57 2000
6,540,756 Portal acquisition tool 38 2000
6,428,472 Surgical retractor having a malleable support 122 2000
2001/0010,021 Flexible implant using partially demineralized bone 72 2001
2002/0016,592 Interbody fusion grafts and instrumentation 55 2001
6,736,816 Polyaxial connection device and method 87 2001
2002/0029,082 Vertebral spacer and method of use 36 2001
6,692,434 Method and device for retractor for microsurgical intermuscular lumbar arthrodesis 51 2001
2004/0106,997 Apparatus and method for creating a surgical channel 70 2002
2003/0171,751 Pedicle screw connector apparatus and method 35 2003
2004/0002,708 Dynamic fixation device and method of use 176 2003
2005/0020,920 Surgical image tracker mounting base apparatus and method of use 20 2003
2004/0172,023 Polyaxial connection device and method 16 2004
2004/0254,428 Intermuscular guide for retractor insertion and method of use 20 2004

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
BAXANO SURGICAL, INC. (33)
8,192,435 Devices and methods for tissue modification 17 2005
7,963,915 Devices and methods for tissue access 25 2005
7,918,849 Devices and methods for tissue access 41 2005
7,740,631 Devices and methods for tissue modification 44 2005
7,738,968 Devices and methods for selective surgical removal of tissue 31 2005
7,553,307 Devices and methods for tissue modification 45 2005
7,555,343 Devices and methods for selective surgical removal of tissue 42 2005
7,887,538 Methods and apparatus for tissue modification 31 2006
8,430,881 Mechanical tissue modification devices and methods 0 2006
7,578,819 Spinal access and neural localization 32 2006
7,857,813 Tissue access guidewire system and method 45 2006
8,062,298 Flexible tissue removal devices and methods 17 2007
8,062,300 Tissue removal with at least partially flexible devices 15 2007
7,959,577 Method, system, and apparatus for neural localization 24 2008
8,257,356 Guidewire exchange systems to treat spinal stenosis 3 2008
8,192,436 Tissue modification devices 8 2008
8,092,456 Multiple pathways for spinal nerve root decompression from a single access point 9 2009
7,738,969 Devices and methods for selective surgical removal of tissue 22 2009
8,221,397 Devices and methods for tissue modification 4 2009
8,419,653 Spinal access and neural localization 0 2009
8,409,206 Tissue modification devices and methods 0 2010
8,394,102 Surgical tools for treatment of spinal stenosis 0 2010
8,551,097 Tissue access guidewire system and method 0 2010
8,303,516 Method, system and apparatus for neural localization 1 2011
8,617,163 Methods, systems and devices for carpal tunnel release 0 2011
8,613,745 Methods, systems and devices for carpal tunnel release 0 2011
8,663,228 Tissue modification devices 0 2011
8,652,138 Flexible tissue rasp 0 2011
8,585,704 Flexible tissue removal devices and methods 0 2011
8,366,712 Multiple pathways for spinal nerve root decompression from a single access point 5 2011
8,398,641 Tissue modification devices and methods 5 2011
8,647,346 Devices and methods for tissue modification 0 2012
8,568,416 Access and tissue modification systems and methods 0 2012
 
GREATBATCH LTD. (7)
D658285 Femoral neck elevator 2 2011
D658286 Double ended retractor 4 2011
D658287 Inferior acetabular/piriformis retractor 3 2011
D658288 Anterior retractor 2 2011
D658289 Secondary anterior retractor 2 2011
D658290 Posterior retractor 2 2011
D706924 Superior acetabular retractor 0 2012
 
NUVASIVE, INC. (6)
8,088,163 Tools and methods for spinal fusion 14 2009
8,357,184 Method and apparatus for performing spinal surgery 3 2010
8,535,320 Method and apparatus for performing spinal surgery 0 2011
8,435,269 Method and apparatus for performing spinal fusion surgery 1 2011
8,292,960 Spinal fusion cage with removable planar elements 5 2012
8,715,355 Spinal fusion cage with removable planar elements 0 2012
 
KLEINER INTELLECTUAL PROPERTY, LLC (3)
D656610 Spinal distraction instrument 11 2011
8,277,510 Tools and methods for spinal fusion 4 2011
D696399 Spinal distraction instrument 0 2012
 
Spinal Surgical Strategies, LLC (2)
8,685,031 Bone graft delivery system 0 2013
8,709,088 Fusion cage with combined biological delivery system 0 2013
 
Baxano Signal, Inc. (1)
8,579,902 Devices and methods for tissue modification 0 2012
 
Other [Check patent profile for assignment information] (6)
8,262,571 Intermuscular guide for retractor insertion and method of use 0 2004
7,959,564 Pedicle seeker and retractor, and methods of use 5 2007
8,366,748 Apparatus and method of spinal implant and fusion 2 2009
8,636,655 Tissue retraction system and related methods 0 2011
D667542 Spinal distraction instrument 5 2012
D700322 Intervertebral surgical tool 0 2012

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