US Patent No: 5,540,696

Number of patents in Portfolio can not be more than 2000

Instrumentation for use in orthopaedic surgery

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The instrumentation set of this invention assists the surgeon in selecting the proper implant components, in determining the amount of distal bone to resect, and in aligning instrumentation designed to resect the bone. The instrumentation set provides numerous systems for verifying to the surgeon that he has correctly aligned the instruments prior to removing any bone. The set includes a rotational alignment guide, which aids the surgeon in establishing the appropriate rotational alignment for the knee as determined by reference to standard femoral landmarks such as the posterior condyles and epicondyles. The rotational alignment guide includes a slot for guiding a saw blade for removal of the posterior condyles of the femur. The set further includes a tensor designed to tense the knee joint in flexion and extension. The tensor is activated by a torque wrench so that a measured amount of tension force can be applied to the joint. The tensor is configured to slidably carry sizing rods, which contact the femur and include a plurality of markings, which relate to the size of the femur as well as the spacing between the femur and tibia. This information is used by the surgeon to select the proper size of femoral and tibial articulate surface components. The sizing rods are connected to the tensor when the tibial is in flexion and in extension, which will indicate to the surgeon any variation required in the amount of bone to be resected.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ZIMMER TECHNOLOGY, INC.WARSAW, IN561

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bays, Rodney Pierceton, IN 14 1265
Booth, Jr Robert E Philadelphia, PA 5 484
Miller, Timothy R Arlington, VA 61 841
Sisk, Billy N Claypool, IN 12 393
Stalcup, Gregory C Columbia City, IN 38 2005

Cited Art Landscape

Patent Info (Count) # Cites Year
 
ZIMMER TECHNOLOGY, INC. (4)
4,567,886 Flexion spacer guide for fitting a knee prosthesis 108 1983
4,501,266 Knee distraction device 194 1983
5,344,423 Apparatus and method for milling bone 120 1992
5,342,368 Intramedullary universal proximal tibial resector guide 108 1992
 
HOWMEDICA OSTEONICS CORP. (3)
5,116,338 Apparatus for knee prosthesis 93 1991
5,213,112 Tension meter for orthopedic surgery 82 1992
5,417,695 Instrumentation for preparing a distal femur 92 1992
 
WRIGHT MEDICAL TECHNOLOGY, INC. (2)
5,364,401 External alignment system for preparing a femur for an implant 125 1992
5,342,367 Rotationally and angularly adjustable tibial cutting guide and method of use 82 1993
 
HOWMEDICA INTERNATIONAL S. DE R.L. (1)
5,454,816 Femoral cutting guide 178 1994
 
MATHYS AG BETTLACH (1)
4,938,762 Reference system for implantation of condylar total knee prostheses 98 1988
 
QUEEN'S UNIVERSITY, KINGSTON, ONTARIO CANADA K7L 3N6 A NON PROFIT EDUCATIONAL CORP (1)
4,574,794 Orthopaedic bone cutting jig and alignment device 129 1984
 
SMITH & NEPHEW RICHARDS INC. (1)
5,282,803 Instrumentation for long stem surgery 108 1992
 
ZIMMER ORTHOPAEDIC SURGICAL PRODUCTS, INC. (1)
4,655,197 Lavage system with variable frequency, flow rate and pressure 76 1982
 
Other [Check patent profile for assignment information] (3)
4,566,448 Ligament tensor and distal femoral resector guide 82 1983
4,703,751 Method and apparatus for resecting a distal femoral surface 197 1986
4,907,578 Method and instruments for resection of the distal femur 27 1988

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
CONFORMIS, INC. (33)
7,618,451 Patient selectable joint arthroplasty devices and surgical tools facilitating increased accuracy, speed and simplicity in performing total and partial joint arthroplasty 130 2003
7,534,263 Surgical tools facilitating increased accuracy, speed and simplicity in performing joint arthroplasty 113 2004
8,066,708 Patient selectable joint arthroplasty devices and surgical tools 39 2007
8,083,745 Surgical tools for arthroplasty 55 2008
8,105,330 Patient selectable joint arthroplasty devices and surgical tools 36 2008
8,062,302 Surgical tools for arthroplasty 38 2008
7,981,158 Patient selectable joint arthroplasty devices and surgical tools 82 2008
8,343,218 Methods and compositions for articular repair 27 2008
8,122,582 Surgical tools facilitating increased accuracy, speed and simplicity in performing joint arthroplasty 27 2009
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8,377,129 Joint arthroplasty devices and surgical tools 28 2009
8,500,740 Patient-specific joint arthroplasty devices for ligament repair 9 2010
8,551,099 Surgical tools for arthroplasty 4 2010
8,366,771 Surgical tools facilitating increased accuracy, speed and simplicity in performing joint arthroplasty 27 2010
8,337,501 Patient selectable joint arthroplasty devices and surgical tools 41 2010
8,768,028 Methods and compositions for articular repair 0 2010
8,585,708 Patient selectable joint arthroplasty devices and surgical tools 0 2010
8,623,026 Patient selectable joint arthroplasty devices and surgical tools incorporating anatomical relief 2 2011
8,657,827 Surgical tools for arthroplasty 0 2011
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ARTHROSURFACE INCORPORATED (21)
6,610,067 System and method for joint resurface repair 73 2001
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7,618,462 System and method for joint resurface repair 23 2004
7,896,885 Retrograde delivery of resurfacing devices 11 2004
8,361,159 System for articular surface replacement 4 2005
7,901,408 System and method for retrograde procedure 11 2005
7,914,545 System and method for retrograde procedure 13 2006
7,828,853 Articular surface implant and delivery system 13 2006
7,713,305 Articular surface implant 14 2006
7,604,641 System and method for joint resurface repair 10 2006
7,951,163 Retrograde excision system and apparatus 10 2006
8,523,872 Tibial resurfacing system 1 2007
8,177,841 System and method for joint resurface repair 8 2008
7,896,883 Bone resurfacing system and method 10 2009
7,857,817 System and method for joint resurface repair 10 2009
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8,388,624 Trochlear resurfacing system and method 4 2010
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8,556,902 System and method for retrograde procedure 0 2011
 
BONUTTI SKELETAL INNOVATIONS LLC (18)
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8,133,229 Knee arthroplasty method 7 2003
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7,959,635 Limited incision total joint replacement methods 3 2004
7,892,236 System and method for total joint replacement 12 2005
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7,749,229 Total knee arthroplasty through shortened incision 18 2005
7,708,740 Method for total knee arthroplasty and resecting bone in situ 14 2005
7,708,741 Method of preparing bones for knee replacement surgery 27 2005
7,931,690 Method of resurfacing an articular surface of a bone 12 2007
7,828,852 Inlaid articular implant 9 2007
7,837,736 Minimally invasive surgical systems and methods 15 2007
8,425,522 Joint replacement method 3 2010
8,784,495 Segmental knee arthroplasty 0 2010
8,641,726 Method for robotic arthroplasty using navigation 2 2013
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8,623,030 Robotic arthroplasty system including navigation 2 2013
 
SMITH & NEPHEW, INC. (14)
7,547,307 Computer assisted knee arthroplasty instrumentation, systems, and processes 38 2002
7,371,240 Method of arthroplasty on a knee joint and apparatus for use in same 64 2002
7,237,556 Image-guided fracture reduction 22 2003
7,862,570 Surgical positioners 2 2003
7,662,156 Systems and processes for determining proper superior-inferior joint line positioning 3 2004
7,764,985 Surgical navigation system component fault interfaces and related processes 4 2004
7,794,467 Adjustable surgical cutting systems 36 2004
7,477,926 Methods and apparatuses for providing a reference array input device 17 2005
8,109,942 Computer-aided methods, systems, and apparatuses for shoulder arthroplasty 2 2005
8,177,788 In-line milling system 0 2006
8,092,462 Spacer for use in arthroplasty on a knee joint 25 2006
8,323,287 Apparatus for use in arthroplasty on a knee joint 1 2006
8,491,597 Surgical positioners 0 2010
8,690,882 Method of arthroplasty on a knee joint and apparatus for use in same 0 2011
 
DEPUY PRODUCTS, INC. (9)
7,527,631 Arthroplasty sizing gauge 49 2003
7,329,260 Kit, guide and method for locating distal femoral resection plane 2 2003
8,105,327 Punch, implant and associated method 0 2004
7,879,042 Surface replacement extractor device and associated method 1 2004
7,615,055 Method and apparatus for use in balancing ligaments of a knee 24 2005
8,197,489 Knee ligament balancer 0 2008
8,070,755 Joint arthroplasty kit and method 0 2009
8,182,541 Extended articulation orthopaedic implant 0 2009
8,282,649 Extended articulation orthopaedic implant 0 2009
 
SYNVASIVE TECHNOLOGY, INC. (8)
7,442,196 Dynamic knee balancer 60 2004
7,578,821 Dynamic knee balancer with pressure sensing 28 2004
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8,211,041 Sensing force during partial and total knee replacement surgery 5 2009
8,506,571 Knee balancing for revision procedures 1 2010
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ZIMMER, INC. (8)
6,022,377 Instrument for evaluating balance of knee joint 52 1998
7,442,172 Ligament tension gauge 1 2002
8,167,888 Tibial spacer blocks and femoral cutting guide 20 2004
7,780,671 Bone resection apparatus and method for knee surgery 2 2006
8,454,616 Method and apparatus for achieving correct limb alignment in unicondylar knee arthroplasty 1 2006
8,231,634 Methods of predetermining the contour of a resected bone surface and assessing the fit of a prosthesis on the bone 12 2007
8,118,811 Apparatus for knee surgery and method of use 2 2009
8,747,410 Patellar resection instrument with variable depth guide 0 2010
 
DEPUY SYNTHES PRODUCTS, LLC (7)
8,366,713 Arthroplasty instruments and associated method 0 2003
8,475,499 Rod to rod connectors and methods of adjusting the length of a spinal rod construct 0 2007
8,444,646 Bone preparation tool kit and associated method 0 2009
8,394,104 Method and apparatus for use in balancing ligaments of a knee 0 2009
8,545,506 Cutting guide for use with an extended articulation orthopaedic implant 0 2009
8,562,617 Knee ligament balancer 0 2012
8,734,454 Method and apparatus for use in balancing ligaments of a knee 0 2013
 
THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY (7)
8,265,730 Assessing the condition of a joint and preventing damage 27 2001
8,036,729 Assessing the condition of a joint and devising treatment 61 2004
7,881,768 Assessing the condition of a joint and devising treatment 76 2007
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RE43282 Assessing the condition of a joint and devising treatment 55 2008
8,369,926 Assessing the condition of a joint and devising treatment 25 2011
8,306,601 Assessing the condition of a joint and devising treatment 40 2011
 
ALEXANDRIA RESEARCH TECHNOLOGIES, LLC (5)
6,482,209 Apparatus and method for sculpting the surface of a joint 118 2001
6,723,102 Apparatus and method for minimally invasive total joint replacement 40 2002
7,115,131 Apparatus and method for sculpting the surface of a joint 127 2002
7,604,637 Apparatus and method for minimally invasive total joint replacement 0 2003
7,896,922 Implants for partial knee arthroplasty 3 2009
 
BIOMET MANUFACTURING, LLC (5)
7,326,218 Bone plate and retractor assembly 2 2003
7,488,324 Femoral guide for implanting a femoral knee prosthesis 33 2003
7,959,637 Distal femoral cutting guide 19 2007
8,137,361 Method and apparatus for constant force tensor/ligament balancer 1 2008
8,333,772 Distal femoral cutting guide 13 2011
 
DEPUY (IRELAND) (5)
8,740,817 Device and method for determining forces of a patient's joint 0 2009
8,721,568 Method for performing an orthopaedic surgical procedure 0 2009
8,597,210 System and method for displaying joint force data 0 2009
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8,551,023 Device and method for determining force of a knee joint 0 2009
 
HOWMEDICA OSTEONICS CORP. (5)
7,608,112 Hip arthroplasty trialing apparatus and method 4 2004
8,740,910 Modular anterior-posterior femoral sizer 0 2006
7,704,253 Single use resection guide 31 2006
7,686,812 Method for setting the rotational position of a femoral component 3 2006
8,690,881 Femoral component and instrumentation 0 2010
 
ZIMMER TECHNOLOGY, INC. (5)
6,478,799 Instruments and methods for use in performing knee surgery 134 2000
7,175,630 Bone cutting template and method of use 12 2003
7,641,661 Adjustable resection guide 3 2003
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7,842,039 Method and apparatus for achieving correct limb alignment in unicondylar knee arthroplasty 16 2006
 
WARSAW ORTHOPEDIC, INC. (4)
7,011,658 Devices and methods for spinal compression and distraction 44 2002
7,749,231 Instruments and techniques for separating bony structures 18 2003
7,862,618 Expandable vertebral body implants and methods of use 2 2006
8,523,874 Instruments and techniques for separating bony structures 0 2010
 
JOHNSON & JOHNSON PROFESSIONAL, INC. (3)
6,056,756 Femoral tensing and sizing device 123 1998
6,106,529 Epicondylar axis referencing drill guide 124 1998
6,096,043 Epicondylar axis alignment-femoral positioning drill guide 120 1998
 
ZIMMER GMBH (3)
7,527,630 Apparatus for the preparation of a femoral condyle 3 2004
7,686,813 Traction apparatus 1 2004
7,648,510 Adjustment apparatus 0 2004
 
DEPUY ACROMED, INC. (2)
7,172,561 Spreader tensiometer for measuring tension in an intervertebral disc space 4 2002
7,014,617 Pivoted tensiometer for measuring tension in an intervertebral disc space 11 2002
 
GMEDELAWARE 2 LLC (2)
7,588,578 Surgical measurement systems and methods 2 2004
7,507,242 Surgical measurement and resection framework 5 2004
 
ORTHALIGN, INC. (2)
8,057,479 Surgical orientation system and method 1 2009
8,118,815 Systems and methods for joint replacement 5 2011
 
PERCEPTION RAISONNEMENT ACTION EN MEDECINE (2)
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8,337,508 Distractor system 0 2006
 
VITRUVIAN ORTHOPAEDICS, LLC (2)
8,057,482 Surgical orientation device and method 4 2004
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ALEXANDRIA RESEARCH TECHNOLOGIES, INC. (1)
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ARTHTHROSURFACE, INCORPORATED (1)
6,520,964 System and method for joint resurface repair 247 2001
 
BEIJING MONTAGNE MEDICAL DEVICE CO., LTD. (1)
7,641,662 Femoral condyle cutting and shaping center 1 2006
 
Biomedical Engineering Trust I (1)
5,735,904 Spacer for establishng prosthetic gap and ligamentous tension 69 1996
 
BREVEXCO, S.P.R.L. (1)
7,805,852 Sighting instrument for determining the mechanical axis of the femur 1 2006
 
DEPUY ORTHOPAEDICS, INC. (1)
6,758,850 Instruments and methods for flexion gap adjustment 34 2002
 
DEPUY SPINE, INC. (1)
7,942,908 Adjustable length implant 4 2005
 
FINSBURY (DEVELOPMENT) LIMITED (1)
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Howmedia Osteonics Corp. (1)
7,338,499 Hip arthroplasty balancing apparatus and method 4 2004
 
HOWMEDICA INTERNATIONAL S. DE R.L. (1)
5,911,723 Surgical apparatus 141 1997
 
HYLIGHTER, INC. (1)
7,927,357 Adjustable length implant 4 2005
 
MARTEC LLC (1)
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ORTHO DEVELOPMENT CORPORATION (1)
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ORTHOSOFT INC. (1)
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PERCEPTION RAISONNEMENT ACTION EN MEDICINE (PRAXIM) (1)
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ROMULO GUERRERO (1)
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STRYKER CORPORATION (1)
D696782 Joint stabilizing instrument 0 2013
 
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (1)
6,648,891 System and method for fusing spinal vertebrae 62 2001
 
WYMENGA, ATE B. (1)
7,101,377 Device for optimizing a knee endoprosthesis 0 2001
 
ZIMMER KABUSHIKI KAISHA (1)
7,156,853 Measuring apparatus for total knee replacement operation 61 2003
 
ZIMMER ORTHOBIOLOGICS, INC. (1)
6,916,325 Femoral sizing guide 7 2002
 
Other [Check patent profile for assignment information] (4)
6,942,700 Instruments and methods for use in performing knee surgery 8 2002
8,092,463 Distraction device used for osteogenesis 0 2003
7,273,500 Instruments and methods for use in performing knee surgery 0 2004
8,808,303 Orthopedic surgical guide 0 2011