Locking dovetail and self-limiting set screw assembly for a spinal stabilization member

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6302888
SERIAL NO

09272493

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A spinal implant assembly is provided which has a stabilizer rod clamped into position within an anchor by means of a sliding closure member including a mating set screw or hook. The exterior faces of the anchor are contoured to optimize interface in the surgical setting. The anchor includes a U-shaped channel having multiple undercut surfaces such as grooves, which mate with flange like projections or 'dovetails' of a closure member which is slid in a direction corresponding to the longitudinal axis of the rod. The closure member has on either side a flange mating with opposing recesses formed at the top of the U-shaped channel so as to lock the closure member in place. The set screw has an external hex head for tightening, and a plurality of radically extending prongs which are undercut and which mate with the recesses in the top of the U-shaped channel of the anchor. The hex head sheers at a necked area above the radial collar to provide for a flush surface relative to the closure member. The undercuts on the prongs allow the set screw to be unscrewed from the closure member.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EBI, LLCPARSIPPANY, NJ92
CROSS MEDICAL PRODUCTS, INC.PARSIPPANY, NJ2

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Knoth, Donald B Dayton, OH 1 441
Mellinger, Philip A Las Flores, CA 10 2393

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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CUSTOM SPINE ACQUISITION, INC. (13)
7862594 Polyaxial pedicle screw assembly 30 2005
* 2005/0192,571 Polyaxial pedicle screw assembly 149 2005
7819902 Medialised rod pedicle screw assembly 71 2005
7163539 Biased angle polyaxial pedicle screw assembly 102 2005
* 2005/0192,572 Medialised rod pedicle screw assembly 123 2005
* 2005/0192,573 Biased angle polyaxial pedicle screw assembly 35 2005
7763057 Biased angle polyaxial pedicle screw assembly 16 2006
* 2007/0093,831 BIASED ANGLE POLYAXIAL PEDICLE SCREW ASSEMBLY 80 2006
7892257 Spring loaded, load sharing polyaxial pedicle screw assembly and method 4 2006
* 2007/0093,832 SPRING-LOADED, LOAD SHARING POLYAXIAL PEDICLE SCREW ASSEMBLY AND METHOD 44 2006
8652178 Polyaxial pedicle screw assembly and method 6 2010
* 2011/0034,258 Polyaxial Pedicle Screw Assembly and Method 0 2010
8439954 Spring-loaded, load sharing polyaxial pedicle screw assembly and method 0 2011
 
LIFE SPINE, INC. (6)
7678137 Pedicle screw constructs for spine fixation systems 54 2005
* 2005/0187,548 Pedicle screw constructs for spine fixation systems 227 2005
8092494 Pedicle screw constructs for spine fixation systems 19 2007
* 2009/0254,125 Top Loading Polyaxial Spine Screw Assembly With One Step Lockup 56 2009
* 2009/0318,970 Spinal Rod Connectors Configured to Retain Spinal Rods of Varying Diameters 4 2009
D746461 Spinal rod connector 0 2014
 
TARAS, JOHN STANLEY (1)
* 6875215 Distraction pin for fracture fixation 30 2002
 
JACKSON, ROGER P. AN INDIVIDUAL (1)
8398682 Polyaxial bone screw assembly 3 2010
 
AESCULAP IMPLANT SYSTEMS, LLC (2)
8828056 Rod to rod cross connector 1 2012
8771319 Rod to rod cross connector 9 2012
 
ALTUS PARTNERS, LLC (4)
8167913 Spinal stabilization using bone anchor and anchor seat with tangential locking feature 2 2006
7594924 Spinal stabilization using bone anchor seat and cross coupling with improved locking feature 47 2006
* 2006/0235,389 Spinal stabilization using bone anchor and anchor seat with tangential locking feature 167 2006
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ZIMMER SPINE, INC. (32)
7066937 Apparatus for connecting a longitudinal member to a bone portion 139 2002
* 2003/0153,911 Apparatus for connecting a longitudinal member to a bone portion 64 2002
* 6837889 Apparatus for connecting a longitudinal member to a bone portion 165 2002
7144396 Apparatus for connecting a longitudinal member to a bone portion 144 2003
* 7491218 Spinal stabilization systems and methods using minimally invasive surgical procedures 168 2003
* 2004/0143,265 Spinal stabilization systems and methods using minimally invasive surgical procedures 341 2003
* 2004/0176,766 Apparatus for connecting a longitudinal member to a bone portion 59 2004
* 7763049 Orthopedic fixation connector 7 2004
* 2005/0277,924 Orthopedic fixation connector 29 2004
8366747 Apparatus for connecting a longitudinal member to a bone portion 0 2004
* 2006/0084,981 Apparatus for connecting a longitudinal member to a bone portion 89 2004
7691132 Spinal stabilization systems and methods 76 2005
* 2006/0084,993 Spinal stabilization systems and methods 162 2005
8034084 Spinal stabilization systems and methods 44 2006
7879075 Methods for connecting a longitudinal member to a bone portion 11 2006
* 2006/0276,791 Methods for connecting a longitudinal member to a bone portion 104 2006
7604656 Apparatus for connecting a longitudinal member to a bone portion 48 2006
* 2006/0293,665 Apparatus for connecting a longitudinal member to a bone portion 81 2006
8167911 Apparatus for connecting a longitudinal member to a bone portion 9 2006
* 2007/0021,750 Apparatus for connecting a longitudinal member to a bone portion 78 2006
7563264 Spinal stabilization systems and methods 82 2007
8075592 Spinal stabilization systems and methods 21 2007
9539012 Spinal stabilization systems with quick-connect sleeve assemblies for use in surgical procedures 0 2007
7914558 Spinal stabilization systems and methods using minimally invasive surgical procedures 66 2007
* 2008/0045,957 SPINAL STABILIZATION SYSTEMS AND METHODS USING MINIMALLY INVASIVE SURGICAL PROCEDURES 117 2007
8636783 Spinal stabilization systems and methods 3 2008
8709050 Methods for connecting a longitudinal member to a bone portion 1 2011
* 2011/0118,793 METHODS FOR CONNECTING A LONGITUDINAL MEMBER TO A BONE PORTION 1 2011
8496685 Spinal stabilization systems and methods 8 2011
9198695 Polyaxial pedicle screw 0 2013
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8936624 Methods for connecting a longitudinal member to a bone portion 0 2014
 
AESCULAP IMPLANT SYSTEMS, INC. (1)
7744632 Rod to rod connector 32 2007
 
SARL, DEPUY SPINE (1)
7951172 Constrained motion bone screw assembly 22 2005
 
KODAK I L, LTD. (1)
* 2004/0079,253 Closed loop ceps-press control systems 0 2003
 
PokerTek, Inc. (1)
* 2006/0264,252 SYSTEM AND METHOD FOR PROVIDING A HOST CONSOLE FOR USE WITH AN ELECTRONIC CARD GAME 54 2006
 
AESCULAP AG & CO. KG (1)
7628799 Rod to rod connector 17 2005
 
ECOLAB INC. (1)
* 2005/0247,169 Fastening system and method of fastening objects with enhanced security 14 2004
 
SEASPINE, INC. (2)
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* 2007/0073,291 Implant system for Osteosynthesis 75 2005
 
PHYGEN, LLC (2)
* 9510867 Fixation screw assembly 0 2011
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BIEDERMANN TECHNOLOGIES GMBH & CO. KG (3)
* 8262704 Receiving part for connecting a shank of a bone anchoring element to a rod and bone anchoring device with such a receiving part 3 2006
* 2006/0293,666 Receiving part for connecting a shank of a bone anchoring element to a rod and bone anchoring device with such a receiving part 77 2006
* 9585696 Receiving part for connecting a shank of a bone anchoring element to a rod and bone anchoring device with such a receiving part 0 2012
 
MEDICINE LODGE (DBA IMDS CO-INNOVATION) (1)
8771352 Method and apparatus for tibial fixation of an ACL graft 37 2011
 
SANDVIK INTELLECTUAL PROPERTY AB (1)
* 7407351 Rotatable tool comprising a shank, a drawbar and a cutting head 4 2005
 
ULRICH GMBH & CO. KG (1)
D607103 Medical implant 5 2009
 
DEPUY SPINE, INC. (8)
* 6755829 Lock cap anchor assembly for orthopaedic fixation 380 2000
7722651 Adjustable bone screw assembly 26 2005
7682377 Polyaxial bone screw 92 2006
* 2008/0140,135 POLYAXIAL BONE SCREW 10 2007
8313516 Polyaxial bone screw 11 2010
* 2010/0131,018 POLYAXIAL BONE SCREW 21 2010
7951174 Adjustable bone screw assembly 2 2010
* 2010/0198,273 ADJUSTABLE BONE SCREW ASSEMBLY 3 2010
 
CHOICE SPINE, LP (3)
* 8328850 Device for immobilizing a connecting rod in an osseous anchoring element of a rachidian implant 10 2003
* 2005/0027,292 Device for immobilizing a connecting rod in an osseous anchoring element of a rachidian implant 23 2003
* 2004/0260,285 Pedicular hooks for rachidian anchoring device 23 2003
 
ZIMMER BIOMET SPINE, INC. (2)
6981973 Low profile vertebral alignment and fixation assembly 109 2003
* 2005/0038,430 Low profile vertebral alignment and fixation assembly 35 2003
 
DEPUY SPINE SARL (2)
7125426 Locking cap assembly for spinal fixation instrumentation 183 2003
* 2005/0177,154 Locking cap assembly for spinal fixation instrumentation 41 2003
 
SCHAEFER, BERND (1)
* 6656179 Bone plate 131 2000
 
ORTHO INNOVATIONS, LLC (8)
7942910 Polyaxial bone screw 42 2007
7947065 Locking polyaxial ball and socket fastener 29 2009
7942911 Polyaxial bone screw 26 2009
7942909 Thread-thru polyaxial pedicle screw system 33 2009
7951173 Pedicle screw implant system 28 2010
8075603 Locking polyaxial ball and socket fastener 27 2010
8197518 Thread-thru polyaxial pedicle screw system 21 2010
8465530 Locking polyaxial ball and socket fastener 7 2011
 
MEDOS INTERNATIONAL SARL (1)
9095379 Constrained motion bone screw assembly 0 2011
 
CONCEPT MATRIX, LLC (1)
* 2006/0089,645 Internal fixation system for spine surgery 32 2005
 
THEKEN SPINE, LLC (10)
7588588 System and method for stabilizing of internal structures 140 2003
* 7214227 Closure member for a medical implant device 169 2004
* 2005/0216,000 Closure member for a medical implant device 34 2004
7967826 Connector transfer tool for internal structure stabilization systems 4 2004
7905907 Internal structure stabilization system for spanning three or more structures 24 2004
7618442 Implant assembly and method for use in an internal structure stabilization system 60 2004
7588575 Extension for use with stabilization systems for internal structures 112 2004
7569061 Off-axis anchor guidance system 48 2004
8197517 Frictional polyaxial screw assembly 41 2008
9084634 Uniplanar screw 2 2011
 
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8221472 Bone anchor with locking cap and method of spinal fixation 30 2006
* 2008/0294,202 Bone Anchor With Locking Cap and Method of Spinal Fixation 29 2006
* 2009/0312,804 ADJUSTABLE IMPLANT ASSEMBLY 39 2008
9232968 Polymeric pedicle rods and methods of manufacturing 0 2008
8361123 Bone anchor assemblies and methods of manufacturing and use thereof 5 2009
9320543 Posterior dynamic stabilization device having a mobile anchor 0 2009
9445844 Composite material posterior dynamic stabilization spring rod 0 2010
8535318 Minimally invasive instrument set, devices and related methods 4 2010
9498262 Minimally invasive fixation system 0 2010
9101416 Spinal rod approximator 1 2010
9060818 Bone implants 0 2011
9314274 Minimally invasive spinal fixation system including vertebral alignment features 0 2012
9161782 Bone anchor assemblies and methods of manufacturing and use thereof 0 2013
9402663 Minimally invasive instrument set, devices and related methods 0 2013
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9155579 Polyaxial bone screw 2 2014
9439700 Bone anchor with locking cap and method of spinal fixation 1 2014
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Medyssey Co., Ltd. (1)
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CUSTOM SPINE, INC. (2)
* 2009/0069,849 DYNAMIC SCREW SYSTEM 83 2007
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Biomet Sports Medicine (1)
8608777 Method and apparatus for coupling soft tissue to a bone 37 2011
 
GLOBUS MEDICAL, INC. (18)
7503924 Polyaxial screw 56 2004
* 2006/0004,357 Polyaxial screw 160 2004
* 8034086 Polyaxial screw 5 2005
* 2005/0228,385 Polyaxial screw 136 2005
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8888827 Orthopedic fixation devices and methods of installation thereof 1 2011
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8894691 Polyaxial screw 1 2013
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8790374 Polyaxial screw 1 2013
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9186187 Orthopedic fixation devices and methods of installation thereof 0 2014
* 9138262 Polyaxial screw 1 2014
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9554829 Bone screw assembly 0 2015
 
BIOMET MANUFACTURING, LLC (11)
8444699 Method and apparatus for augmenting bone defects 5 2010
8500818 Knee prosthesis assembly with ligament link 50 2010
8343227 Knee prosthesis assembly with ligament link 46 2010
9066734 Patient-specific sacroiliac guides and associated methods 23 2011
9259217 Suture Button 1 2012
9295497 Patient-specific sacroiliac and pedicle guides 2 2012
8900314 Method of implanting a prosthetic knee joint assembly 25 2012
9289299 Method and apparatus for augumenting bone defects 0 2013
9414925 Method of implanting a knee prosthesis assembly with a ligament link 4 2013
9439659 Patient-specific sacroiliac guides and associated methods 0 2015
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INTELLIGENT IMPLANT SYSTEMS LLC (5)
* 2010/0063,551 POLYAXIAL SCREW ASSEMBLY 45 2008
9421041 Polyaxial screw assembly 0 2009
9433440 Polyaxial screw assembly 0 2010
9456851 Spinal implant 0 2011
9526531 Polyaxial plate rod system and surgical procedure 0 2015
 
DEPUY INTERNATIONAL LIMITED (4)
8348952 System and method for cooling a spinal correction device comprising a shape memory material for corrective spinal surgery 4 2006
8414614 Implant kit for supporting a spinal column 14 2006
8425563 Spinal rod support kit 0 2007
* 2007/0288,013 FIXATION DEVICE FOR AN ELONGATE SPINAL SUPPORT ELEMENT 5 2007
 
DEPUY ACROMED, INC. (1)
7081117 Locking cap assembly for spinal fixation instrumentation 172 2004
 
SPINESAVE AG (1)
9149299 Spinal implant set including a quick closure 0 2010
 
DEPUY MITEK, INC. (1)
7896901 Tissue fixation device 7 2007
* Cited By Examiner