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 32 2377

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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4,545,374 Method and instruments for performing a percutaneous lumbar diskectomy 844 1982
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4,620,460 Socket set 52 1985
4,686,972 Surgical deflector and drilling guide 157 1986
4,798,111 Socket-wrench hand tool 42 1987
4,817,587 Ring para-spinal retractor 135 1987
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4,882,958 Stacking socket wrench set 50 1988
5,048,379 Multi-functional double-ended socket wrenches 67 1990
5,158,543 Laparoscopic surgical system and method 168 1990
5,148,724 Ratchet wrench and socket apparatus 48 1991
5,195,541 Method of performing laparoscopic lumbar discectomy 319 1991
5,303,694 Method for performing hip surgery and retractor for use therein 70 1993
5,512,038 Spinal retractor apparatus having a curved blade 97 1993
D361381 Combined spine and sternum retractor frame 57 1994
5,601,550 Pelvic pin guide system for insertion of pins into iliac bone 105 1994
5,466,238 Vertebral locking and retrieving system having a fixation crossbar 59 1994
5,882,344 Adjustable length cannula and trocar 220 1995
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5,702,455 Expandable prosthesis for spinal fusion 496 1996
5,971,920 Surgical retractor 53 1997
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D399955 Combined spine/sternum retractor frame and blades 44 1997
5,996,447 Sink wrench 57 1997
6,179,838 Bone fixation arrangements and method 145 1998
5,895,352 Surgical retractor 61 1998
6,010,520 Double tapered esophageal dilator 74 1998
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6,050,997 Spinal fixation system 253 1999
6,224,597 Vertebral triplaner alignment method 55 1999
D438074 Tap socket 39 1999
6,371,959 Radiolucent position locating device and drill guide 74 2000
6,540,756 Portal acquisition tool 50 2000
6,428,472 Surgical retractor having a malleable support 160 2000
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2002/0016,592 Interbody fusion grafts and instrumentation 71 2001
6,736,816 Polyaxial connection device and method 115 2001
2002/0029,082 Vertebral spacer and method of use 45 2001
6,692,434 Method and device for retractor for microsurgical intermuscular lumbar arthrodesis 67 2001
2004/0106,997 Apparatus and method for creating a surgical channel 83 2002
2003/0171,751 Pedicle screw connector apparatus and method 49 2003
2004/0002,708 Dynamic fixation device and method of use 219 2003
2005/0020,920 Surgical image tracker mounting base apparatus and method of use 23 2003
2004/0172,023 Polyaxial connection device and method 19 2004
2004/0254,428 Intermuscular guide for retractor insertion and method of use 23 2004
 
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HOWMEDICA OSTEONICS CORP. (13)
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6,083,225 Method and instrumentation for implant insertion 326 1997
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FARRELL, EDWARD M. (1)
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Sangadensetsukogyo Co., Ltd. (3)
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MCPHERSON, WILLIAM E. (1)
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WARSAW ORTHOPEDIC, INC. (18)
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6,123,705 Interbody spinal fusion implants 233 1996
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6,206,923 Flexible implant using partially demineralized bone 205 1999
6,245,072 Methods and instruments for interbody fusion 130 1999
6,206,826 Devices and methods for percutaneous surgery 266 1999
6,210,413 Connecting apparatus using shape-memory technology 154 1999
6,287,313 Screw delivery system and method 234 1999
6,293,949 Superelastic spinal stabilization system and method 523 2000
6,443,989 Posterior expandable fusion cage 105 2000
2002/0068,973 Threaded interbody device 23 2000
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SYNTHES USA, LLC (4)
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5,851,207 Freely separable surgical drill guide and plate 168 1997
6,342,057 Remotely aligned surgical drill guide 153 2000
6,524,238 Universal handle and method for use 71 2000
 
ROBERT REID, INC. (1)
6,074,393 Bone fixing screws 48 1997
 
STEPHEN RITLAND (1)
2003/0220,689 Device and method for assisting in positioning implants 42 2003
 
PALOMAR MEDICAL TECHNOLOGIES, LLC (1)
2003/0195,494 Light energy delivery head 13 2003
 
Orthopedic Systems, Inc. (1)
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2507-PARADIGM BIODEVICES, INC. (1)
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DEPUY SYNTHES PRODUCTS, LLC (1)
2005/0004,593 Non cannulated dilators 167 2004
 
THE CLEVELAND CLINIC FOUNDATION (1)
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5,928,233 Spinal fixation device with laterally attachable connectors 175 1997
 
NEMCOMED, INC. (1)
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The Procter & Gamble Company (1)
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OLYMPUS OPTICAL CO., LTD. (3)
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6,120,434 Method of securing a cavity using a rigid sheath with transparent cap 119 1997
5,976,146 Surgical operation system and method of securing working space for surgical operation in body 281 1998
 
BIOMET MANUFACTURING CORPORATION (1)
5,895,390 Pin placement guide used in making a bone entry hole for implantation of an intramedullary nail 102 1997
 
ARTIFEX LTD. (1)
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B. BRAUN MELSUNGEN AG (2)
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B.E.I. Medical (1)
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ZIMMER TECHNOLOGY, INC. (4)
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Smith and Nephew Orthopaedics AG (1)
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2003/0171,749 Semirigid linking piece for stabilizing the spine 289 2003
 
Solco Surgical Instruments Co., Ltd. (1)
6,264,658 Spine fixing apparatus 119 1999
 
ZIMMER SPINE, INC. (16)
4,743,260 Method for a flexible stabilization system for a vertebral column 530 1985
5,489,308 Spinal implant 520 1994
6,149,686 Threaded spinal implant with bone ingrowth openings 87 1996
6,045,579 Adjustable height fusion device 386 1997
5,865,847 Lordotic spinal implant 131 1997
5,897,593 Lordotic spinal implant 113 1997
6,120,506 Lordotic spinal implant 147 1997
6,224,631 Intervertebral implant with reduced contact area and method 206 1998
5,997,539 Polyaxial pedicle screw having a compression locking rod gripping mechanism 149 1998
6,132,430 Spinal fixation system 227 1998
6,080,193 Adjustable height fusion device 316 1998
6,368,350 Intervertebral disc prosthesis and method 457 1999
6,113,602 Posterior spinal instrument guide and method 215 1999
6,283,966 Spinal surgery tools and positioning method 103 1999
6,391,058 Threaded spinal implant with convex trailing surface 81 1999
6,530,926 Method of securing vertebrae 241 2000
 
COVIDIEN AG (1)
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Medicrea Technologies (1)
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Greenberg Surgical Technologies, LLC (2)
5,133,720 Surgical drill guide and retractor 74 1991
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Asahi Kogaku Kogyo Kabushiki Kaisha (1)
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SMITH & NEPHEW RICHARDS INC. (1)
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ST. FRANCIS MEDICAL TECHNOLOGIES, INC. (1)
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H. G. Wallace Limited (1)
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CROSS MEDICAL PRODUCTS, LLC (1)
5,474,555 Spinal implant system 592 1994
 
SDGI HOLDINGS, INC. (10)
5,643,264 Iliac screw 88 1995
5,792,044 Devices and methods for percutaneous surgery 450 1996
5,954,635 Devices and methods for percutaneous surgery 290 1997
6,007,487 Tissue retractor for use through a cannula 248 1997
5,891,147 Minimally invasive spinal surgical methods & instruments 264 1997
6,176,823 Fixture for supporting a viewing element within a cannula 132 1998
6,162,170 Devices and methods for percutaneous surgery 155 1999
6,217,509 Devices and methods for percutaneous surgery 230 1999
6,206,822 Devices and methods for percutaneous surgery 194 1999
6,520,907 Methods for accessing the spinal column 342 1999
 
APPLIED MEDICAL RESOURCES CORPORATION (1)
5,743,853 Serrated S-retractor 67 1996
 
AESCULAP AG & CO. KG (1)
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St. Francis Technologies, Inc. (1)
6,238,397 Spine distraction implant and method 227 1999
 
DYNAMIC SPINE, INC. (1)
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STRYKER SPINE (2)
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STRYKER TECHNOLOGIES CORPORATION (3)
5,725,528 Modular polyaxial locking pedicle screw 264 1997
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TEXTRON IPMP L.P. (1)
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INNOVASIVE ACQUISITION CORP. (1)
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Advanced Technical Fabrication (1)
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STRYKER TRAUMA GMBH (1)
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HOPITAL ORTHOPEDIQUE DE LA SUISSE ROMANDE (1)
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JPMORGAN CHASE BANK, N.A. (1)
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Vygon (1)
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THOMPSON SURGICAL INSTRUMENTS, INC. (1)
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WORCESTER POLYTECHNIC INSTITUTE (1)
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SURGICAL DESIGN SYSTEMS, LLC (1)
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UNIVERSITY OF MIAMI (1)
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DePuy Spine Sarl (1)
6,117,137 Osteosynthesis device 94 1999
 
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DEPUY ACROMED, INC. (1)
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Spider-Tek, LLC (1)
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UNITED STATES SURGICAL CORPORATION (2)
6,224,608 Tissue holding device and method 96 1993
6,063,088 Method and instrumentation for implant insertion 416 1997
 
VANDERBILT UNIVERSITY (1)
5,735,899 Low profile intraosseous anterior spinal fusion system and method 179 1996
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
QUANDARY MEDICAL, LLC (37)
8,192,435 Devices and methods for tissue modification 34 2005
7,963,915 Devices and methods for tissue access 42 2005
7,918,849 Devices and methods for tissue access 61 2005
7,740,631 Devices and methods for tissue modification 80 2005
7,738,968 Devices and methods for selective surgical removal of tissue 51 2005
7,553,307 Devices and methods for tissue modification 76 2005
7,555,343 Devices and methods for selective surgical removal of tissue 60 2005
* 2006/0135,882 Devices and methods for selective surgical removal of tissue 47 2005
7,887,538 Methods and apparatus for tissue modification 74 2006
* 2006/0241,648 Methods and apparatus for tissue modification 41 2006
8,430,881 Mechanical tissue modification devices and methods 4 2006
7,578,819 Spinal access and neural localization 61 2006
7,857,813 Tissue access guidewire system and method 136 2006
8,062,298 Flexible tissue removal devices and methods 24 2007
8,062,300 Tissue removal with at least partially flexible devices 22 2007
7,959,577 Method, system, and apparatus for neural localization 42 2008
8,257,356 Guidewire exchange systems to treat spinal stenosis 76 2008
8,192,436 Tissue modification devices 12 2008
8,092,456 Multiple pathways for spinal nerve root decompression from a single access point 13 2009
7,738,969 Devices and methods for selective surgical removal of tissue 44 2009
8,221,397 Devices and methods for tissue modification 8 2009
8,419,653 Spinal access and neural localization 4 2009
8,409,206 Tissue modification devices and methods 4 2010
8,394,102 Surgical tools for treatment of spinal stenosis 5 2010
8,551,097 Tissue access guidewire system and method 2 2010
8,845,639 Tissue modification devices 0 2011
8,303,516 Method, system and apparatus for neural localization 8 2011
8,617,163 Methods, systems and devices for carpal tunnel release 1 2011
8,613,745 Methods, systems and devices for carpal tunnel release 1 2011
8,663,228 Tissue modification devices 0 2011
8,585,704 Flexible tissue removal devices and methods 2 2011
8,366,712 Multiple pathways for spinal nerve root decompression from a single access point 11 2011
8,398,641 Tissue modification devices and methods 11 2011
8,801,626 Flexible neural localization devices and methods 0 2011
8,647,346 Devices and methods for tissue modification 0 2012
8,568,416 Access and tissue modification systems and methods 2 2012
8,845,637 Tissue access guidewire system and method 0 2013
 
Other [Check patent profile for assignment information] (11)
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 11 2007
* 2008/0009,678 Pedicle Seeker and Retractor, and Methods of Use 3 2007
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* 2011/0098,705 Devices and Methods for Temporarily Retaining Spinal Rootlets within Dural Sac 0 2009
8,366,748 Apparatus and method of spinal implant and fusion 9 2009
8,636,655 Tissue retraction system and related methods 5 2011
D667542 Spinal distraction instrument 11 2012
D700322 Intervertebral surgical tool 13 2012
8,808,305 Spinal fusion cage system with inserter 6 2012
8,870,882 Apparatus and method of spinal implant and fusion 1 2013
 
DEXTIMUS, LLC (1)
8,905,923 Surgical retractor for wrist procedures 0 2012
 
BAXANO, INC. (2)
* 2006/0095,028 Devices and methods for tissue access 107 2005
* 2008/0312,660 DEVICES AND METHODS FOR MEASURING THE SPACE AROUND A NERVE ROOT 38 2008
 
KLEINER INTELLECTUAL PROPERTY, LLC (4)
D656610 Spinal distraction instrument 20 2011
9,247,943 Devices and methods for preparing an intervertebral workspace 0 2011
8,277,510 Tools and methods for spinal fusion 12 2011
D696399 Spinal distraction instrument 2 2012
 
GREATBATCH LTD. (7)
D658285 Femoral neck elevator 5 2011
D658286 Double ended retractor 11 2011
D658287 Inferior acetabular/piriformis retractor 6 2011
D658288 Anterior retractor 4 2011
D658289 Secondary anterior retractor 5 2011
D658290 Posterior retractor 5 2011
D706924 Superior acetabular retractor 3 2012
 
Baxano Signal, Inc. (1)
8,579,902 Devices and methods for tissue modification 4 2012
 
KLEINER, JEFFREY (1)
8,906,028 Bone graft delivery device and method of using the same 1 2010
 
KLEINER, JEFFREY B. (1)
8,864,654 Method and apparatus for performing retro peritoneal dissection 0 2011
 
UNIVERSITY OF SOUTH FLORIDA (1)
* 2007/0106,316 Dural Knife with Foot Plate 2 2006
 
Spinal Surgical Strategies, LLC (7)
9,060,877 Fusion cage with combined biological delivery system 0 2012
9,173,694 Fusion cage with combined biological delivery system 0 2012
D723682 Bone graft delivery tool 0 2013
8,685,031 Bone graft delivery system 4 2013
8,709,088 Fusion cage with combined biological delivery system 3 2013
9,186,193 Fusion cage with combined biological delivery system 0 2014
D750249 Expandable fusion cage 0 2014
 
NUVASIVE, INC. (11)
8,088,163 Tools and methods for spinal fusion 33 2009
9,050,146 Method and apparatus for performing spinal surgery 0 2010
8,357,184 Method and apparatus for performing spinal surgery 4 2010
8,535,320 Method and apparatus for performing spinal surgery 1 2011
8,435,269 Method and apparatus for performing spinal fusion surgery 3 2011
8,900,137 Cervical retractor 0 2012
9,307,972 Method and apparatus for performing spinal fusion surgery 0 2012
8,292,960 Spinal fusion cage with removable planar elements 13 2012
8,974,381 Cervical retractor 0 2012
9,113,853 Systems and methods for performing spine surgery 0 2012
8,715,355 Spinal fusion cage with removable planar elements 1 2012
 
AMENDIA, INC. (6)
9,101,386 Devices and methods for treating tissue 0 2010
9,247,952 Devices and methods for tissue access 0 2011
8,652,138 Flexible tissue rasp 0 2011
9,314,253 Tissue modification devices and methods 0 2013
9,125,682 Multiple pathways for spinal nerve root decompression from a single access point 0 2013
9,320,618 Access and tissue modification systems and methods 0 2013
 
WALDEMAR LINK GMBH & CO. KG (1)
* 2008/0045,967 Surgical Lever 9 2004
* Cited By Examiner

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