WO2001056489A1 - Plaque d'osteosynthese - Google Patents

Plaque d'osteosynthese Download PDF

Info

Publication number
WO2001056489A1
WO2001056489A1 PCT/EP2001/000883 EP0100883W WO0156489A1 WO 2001056489 A1 WO2001056489 A1 WO 2001056489A1 EP 0100883 W EP0100883 W EP 0100883W WO 0156489 A1 WO0156489 A1 WO 0156489A1
Authority
WO
WIPO (PCT)
Prior art keywords
bone plate
bone
slots
plate according
plate
Prior art date
Application number
PCT/EP2001/000883
Other languages
German (de)
English (en)
Inventor
Robert Schultz
Original Assignee
Aesculap Ag & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aesculap Ag & Co. Kg filed Critical Aesculap Ag & Co. Kg
Publication of WO2001056489A1 publication Critical patent/WO2001056489A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7059—Cortical plates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8085—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with pliable or malleable elements or having a mesh-like structure, e.g. small strips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/809—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with bone-penetrating elements, e.g. blades or prongs

Definitions

  • the invention relates to a bone plate for connecting at least two bone parts, in particular vertebral bodies, with a plate-shaped contact area for each bone part and with at least one push-through opening for a bone screw in each contact area.
  • Such bone plates are used to fix two bone parts relative to one another as precisely and permanently as possible, for example two fragments after a fracture of a bone or two adjacent vertebral bodies, which are to be fixed in the event of damage to the intervertebral disc so that the intervertebral disc is relieved.
  • fixation leads to the fact that the adjacent bone parts which are fixed over the bone plate are completely immovable relative to one another, and this is not desirable in some cases.
  • fixation devices on the spine are known which allow certain movements of the vertebral bodies relative to one another.
  • fixation systems in which pedicle screws screwed into the vertebral bodies are connected to each other at their ends protruding from the vertebral bodies by means of rods or ropes, which in turn have a certain flexibility and therefore enable the pedicle screws to move to a small extent against each other and incline towards each other (EP 0 381 588 Bl; W095 / 19149; EP 0 677 277 A2; EP 0 516 567 Bl; WO98 / 22033; W094 / 14384; EP 0 669 109 Bl; FR 2745706 AI; WO93 / 20771).
  • rod or rope systems are therefore only suitable to a limited extent, in particular in the case of minimally invasive technology, on bone parts if their defined connection is desired while allowing little room for movement. It is an object of the invention to design a generic bone plate so that it offers the possibility of limited movement of the bone parts connected to it.
  • a bone plate of the type described in the introduction in that at least one slot running transversely to the longitudinal direction of the bone plate is arranged in the bone plate between two contact areas, which begins at a side edge of the bone plate and extends at least up to half the width of the bone plate ,
  • slits which end on the same side edge of the bone plate, then these enable the two contact areas of this bone plate to be pivoted relative to one another when the contact areas are pressed against one another.
  • the pivoting takes place about an axis that is perpendicular to the plane of the bone plate, the pivoting angle is limited by the fact that the side walls of the slot or slots come into contact with one another.
  • the length of the slits is greater than half the width of the bone plate, for example the length of the slit or slits can be at least three quarters of the width of the bone plate, this depends, among other things, on how soft the bone plate is against compression and pivoting and what strength properties are desired against bending out of the bone plate.
  • the slots end at their end in the bone plate in an extension, which is preferably circular. This expansion relieves the load and prevents damage to the plate material due to excessive tension in this area.
  • the side walls of the slot or slots converge in the direction of the open end lying on a side edge of the bone plate. This ensures that in the event of a pression or pivoting the side walls come to rest against each other in the area of their open end and thereby limit the further compression or pivoting.
  • the compression and pivoting movement of the bone plate is limited to a relatively small amount, in particular when vertebral bodies are connected, for example it can be provided that the sum of the smallest widths of all slots open to the same side of the plate between two contact areas between 0.5 and 2 mm.
  • the bone plate has a greater thickness in the area of the slots than in the contact areas.
  • the bone plate in the sections provided with slots is reinforced against bending out of the plane of the bone plate, so that despite the cross-sectional weakening through the slots, the strength against such a bending is retained.
  • the bone plate is provided with a wear-reducing coating in the region of the slots.
  • the bone plate in the contact area carries at least one mandrel protruding transversely to the plate surface, preferably a mandrel with a rectangular cross section.
  • This mandrel enters the bone material of the bone part against which the contact area lies and fixes the contact area together with the bone screw screwed into the bone part Bone plate reliably relative to the bone part, in particular also against rotation in the plane of the plate.
  • a bone plate has two abutment areas, between which there is a slot or several slits, but it is also possible to provide bone plates with at least three abutment areas, between which slots are arranged, so that, for example, the connection of three adjacent vertebral bodies is possible with such a bone plate.
  • FIG. 1 shows a longitudinal sectional view along line 1-1 in FIG. 2 through two adjacent vertebral bodies and a bone plate connecting them and provided with transverse slots;
  • Figure 2 a plan view of the vertebral body and the bone plate of Figure 1 and
  • Figure 3 a view similar to Figure 2 in an embodiment for connecting three adjacent vertebral bodies.
  • the invention is explained below using the example of the connection of two or more vertebral bodies, but the invention can also be used for the connection of other bone parts or bone fragments in which a connection is desired while maintaining a certain relative movement possibility.
  • the bone plate 1 shown in FIGS. 1 and 2 serves to connect two adjacent vertebral bodies 2, between which an intervertebral disc 3 is arranged.
  • the bone plate 1 has the shape of an elongated plate strip, it ends on both sides in a contact area 4, the width of which is reduced compared to the central area 5 lying between the contact areas 4.
  • a push-through opening 6 is provided for a bone screw 7, in the exemplary embodiment shown the push-through opening 6 has a spherical cap-shaped cross section, on which a likewise spherical cap-shaped head 8 of the bone screw 7 can be placed in such a way that the bone screw 7 relative to the bone plate to a certain extent Can be inclined to a large extent ( Figure 1).
  • the bone plate 1 On its side facing the bone, the bone plate 1 is flat, on this side it carries, in addition to the push-through openings, a mandrel 9 projecting perpendicularly from the bone plate 1, which is rectangular in cross-section and extends approximately over half the width of the bone plate 1 extends. This mandrel 9 is formed in one piece with the bone plate 1 and between the side edges
  • the central area 5 of the bone plate 1 has a greater thickness than the two contact areas 4, for example the thickness in this area can be 20 to 40% greater than in the contact area 4.
  • transverse slots 11 are arranged, each beginning at a side edge 10 of the bone plate 1 and extending over a considerable part of the width of the bone plate 1, in the exemplary embodiment shown approximately three-quarters of the width of the bone plate 1.
  • Each transverse slot 11 has two flat, from the open end 12 of the cross slot
  • transverse slot 11 starting from diverging side walls 13 which open into an essentially circular extension 14 at the closed end of the transverse slot 11.
  • four such transverse slots are arranged next to one another at a slight distance along the bone plate 1, adjacent cross-slots 11 being open toward opposite side edges 10 of the bone plate 1, so the adjacent transverse slots 11 are arranged opposite each other.
  • the bone plate 1 consists of a body-compatible material that is elastically deformable to a small extent, for example titanium, a titanium alloy, but it is also possible to use a composite material, for example carbon fiber-reinforced polyether ether ketone.
  • a body-compatible material that is elastically deformable to a small extent
  • a composite material for example carbon fiber-reinforced polyether ether ketone.
  • the mobility of the bone plate 1 can be adjusted, so that only a limited compression and a limited pivoting of the contact areas in the plane of the bone plate are possible.
  • bone plates when connecting adjacent vertebral bodies, bone plates can be used which have a length of approximately 50 mm, a width of just under 20 mm and a thickness of 4 mm, the width of the slots at their open end 12 being 0.3 mm and their distance 1 to 2 mm.
  • a maximum compression of 0.6 mm can be achieved in the axial direction and a maximum deflection of the order of 2.5 °.
  • the bone plate In order to connect two vertebral bodies to one another with such a bone plate, the bone plate is, for example, brought ventrally-laterally to the vertebral body and is tightened against the outside using the bone screws 7, the spikes 9 enter the vertebral body 2 and fix the bone plate 1 together the bone screws 7 securely to the vertebral body.
  • the bone screws 7 can be provided with a longitudinal bore 15 so that the bone screws can be screwed into the vertebral body along a guide wire inserted into the vertebral body, which is removed again after the bone screws 7 have been screwed in.
  • the bone plate 1 has two contact areas 4 and a single central area 5 arranged between them.
  • a total of three spaced-apart abutment areas 4 are provided, with a middle area 5 with transverse slots 11 being provided between two adjacent abutment areas 4, with such a bone plate, three adjacent vertebral bodies 2 can be fixed relative to one another such that in In the longitudinal direction of the bone plate there remains little possibility of compression and that adjacent vertebral bodies 2 can be pivoted to a small extent against one another about a pivot axis which is perpendicular to the bone plate 1.
  • a pivoting out of the bone plate level 1 is largely precluded by the stability of the central region 5, in particular by the thickening of the central region 5 with respect to the contact regions 4.

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Neurology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)

Abstract

La présente invention concerne une plaque d'ostéosynthèse, qui permet de connecter au moins deux parties d'os, notamment des corps de vertèbre, présente une zone d'installation en forme de plaque pour chaque partie d'os et comprend au moins un orifice traversant, destiné à une vis à os, dans chaque zone d'installation. L'objectif de cette invention est d'obtenir, avec une telle plaque, une certaine possibilité de mouvement relatif des parties d'os. Afin d'atteindre cet objectif, au moins une rainure est pratiquée dans la plaque d'ostéosynthèse, entre deux zones d'installation, et s'étend perpendiculairement à la direction longitudinale de la plaque d'ostéosynthèse. Cette rainure débute au niveau d'une arête latérale de la plaque d'ostéosynthèse et se prolonge au moins jusqu'à la demi-largeur de la plaque d'ostéosynthèse.
PCT/EP2001/000883 2000-02-03 2001-01-27 Plaque d'osteosynthese WO2001056489A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000104712 DE10004712C1 (de) 2000-02-03 2000-02-03 Knochenplatte
DE10004712.2 2000-02-03

Publications (1)

Publication Number Publication Date
WO2001056489A1 true WO2001056489A1 (fr) 2001-08-09

Family

ID=7629684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/000883 WO2001056489A1 (fr) 2000-02-03 2001-01-27 Plaque d'osteosynthese

Country Status (2)

Country Link
DE (1) DE10004712C1 (fr)
WO (1) WO2001056489A1 (fr)

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003039384A1 (fr) * 2001-11-09 2003-05-15 Vese, Silvana Plaque d'osteosynthese a flexibilite variable
GB2427141A (en) * 2005-06-13 2006-12-20 Intelligent Orthopaedics Ltd A bone fixator allowing predetermined relative movement between the ends of a fractured bone
EP2135562A1 (fr) 2008-06-20 2009-12-23 Arthrex, Inc. Cale de renfort en coin
WO2010019857A3 (fr) * 2008-08-14 2010-04-15 Synthes Usa, Llc Système de stabilisation dynamique postérieure
US7722647B1 (en) 2005-03-14 2010-05-25 Facet Solutions, Inc. Apparatus and method for posterior vertebral stabilization
US7753937B2 (en) 2003-12-10 2010-07-13 Facet Solutions Inc. Linked bilateral spinal facet implants and methods of use
US7758581B2 (en) 2005-03-28 2010-07-20 Facet Solutions, Inc. Polyaxial reaming apparatus and method
US7815648B2 (en) 2004-06-02 2010-10-19 Facet Solutions, Inc Surgical measurement systems and methods
US7922750B2 (en) 2006-11-30 2011-04-12 Paradigm Spine, Llc Interlaminar-interspinous vertebral stabilization system
US7955390B2 (en) 2001-03-02 2011-06-07 GME Delaware 2 LLC Method and apparatus for spine joint replacement
US7993373B2 (en) 2005-02-22 2011-08-09 Hoy Robert W Polyaxial orthopedic fastening apparatus
US8066741B2 (en) 2000-12-13 2011-11-29 Gmedelaware 2 Llc Prosthesis for the replacement of a posterior element of a vertebra
EP2397090A1 (fr) * 2007-11-02 2011-12-21 DePuy Products, Inc. Système de fixation de fracture du coude
US8206418B2 (en) 2007-01-10 2012-06-26 Gmedelaware 2 Llc System and method for facet joint replacement with detachable coupler
US8252028B2 (en) 2007-12-19 2012-08-28 Depuy Spine, Inc. Posterior dynamic stabilization device
US8313511B2 (en) 2000-11-29 2012-11-20 Gmedelaware 2 Llc Facet joint replacement
US8328848B2 (en) 2005-09-27 2012-12-11 Paradigm Spine, Llc Interspinous vertebral stabilization devices
US8470000B2 (en) 2005-04-08 2013-06-25 Paradigm Spine, Llc Interspinous vertebral and lumbosacral stabilization devices and methods of use
US8556936B2 (en) 2000-11-29 2013-10-15 Gmedelaware 2 Llc Facet joint replacement
US8562649B2 (en) 2004-02-17 2013-10-22 Gmedelaware 2 Llc System and method for multiple level facet joint arthroplasty and fusion
US8764801B2 (en) 2005-03-28 2014-07-01 Gmedelaware 2 Llc Facet joint implant crosslinking apparatus and method
US8900273B2 (en) 2005-02-22 2014-12-02 Gmedelaware 2 Llc Taper-locking fixation system
US8915964B2 (en) 2008-07-14 2014-12-23 DePuy Synthes Products, LLC Flexible dampening intervertebral spacer device
US8920473B2 (en) 2006-12-10 2014-12-30 Paradigm Spine, Llc Posterior functionally dynamic stabilization system
US9232968B2 (en) 2007-12-19 2016-01-12 DePuy Synthes Products, Inc. Polymeric pedicle rods and methods of manufacturing
US9320543B2 (en) 2009-06-25 2016-04-26 DePuy Synthes Products, Inc. Posterior dynamic stabilization device having a mobile anchor
US9445844B2 (en) 2010-03-24 2016-09-20 DePuy Synthes Products, Inc. Composite material posterior dynamic stabilization spring rod
WO2017011589A1 (fr) * 2015-07-13 2017-01-19 Crossroads Extremity Systems, Llc Plaques osseuses avec des éléments dynamiques
IT201700006385A1 (it) * 2017-01-20 2018-07-20 Orthofix Srl Placca ossea di compressione e relativo kit per la stabilizzazione di siti di frattura o osteotomia
US10492841B2 (en) 2014-07-10 2019-12-03 Crossroads Extremity Systems, Llc Bone implant and means of insertion
US10581631B2 (en) 2015-09-28 2020-03-03 Commscope Technologies Llc Directional wireless drop systems for broadband networks and related methods
US10945725B2 (en) 2017-02-06 2021-03-16 Crossroads Extremity Systems, Llc Implant inserter
US11179149B2 (en) 2017-02-07 2021-11-23 Crossroads Extremity Systems, Llc Counter-torque implant
US11202626B2 (en) 2014-07-10 2021-12-21 Crossroads Extremity Systems, Llc Bone implant with means for multi directional force and means of insertion
US11317951B2 (en) 2013-12-20 2022-05-03 Crossroads Extremity Systems, Llc Bone plates with dynamic elements
USD961081S1 (en) 2020-11-18 2022-08-16 Crossroads Extremity Systems, Llc Orthopedic implant

Families Citing this family (4)

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FR2845587B1 (fr) 2002-10-14 2005-01-21 Scient X Dispositif dynamique de liaison intervertebrale a debattement controle multidirectionnel
DE102010000339A1 (de) 2010-02-08 2011-08-11 Aesculap AG, 78532 Verbindungselement für ein Wirbelsäulenstabilisierungssystem und Wirbelsäulenstabilisierungssystem
DE102010060112A1 (de) 2010-09-20 2012-03-22 Aesculap Ag Wirbelsäulenstabilisierungssystem, Verbindungselement für ein Wirbelsäulenstabilisierungssystem und Verfahren zum Herstellen eines solchen Verbindungselements
US9905213B2 (en) 2015-07-09 2018-02-27 Aleks BEZGINAS Solar guitar

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US5730743A (en) * 1994-05-25 1998-03-24 Eberle Medizintech Elemente Supporting grid
JPH09108247A (ja) * 1995-10-20 1997-04-28 Robaato Read Shokai:Kk 骨固定装置
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Cited By (70)

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US8313511B2 (en) 2000-11-29 2012-11-20 Gmedelaware 2 Llc Facet joint replacement
US8556936B2 (en) 2000-11-29 2013-10-15 Gmedelaware 2 Llc Facet joint replacement
US8066741B2 (en) 2000-12-13 2011-11-29 Gmedelaware 2 Llc Prosthesis for the replacement of a posterior element of a vertebra
US7955390B2 (en) 2001-03-02 2011-06-07 GME Delaware 2 LLC Method and apparatus for spine joint replacement
WO2003039384A1 (fr) * 2001-11-09 2003-05-15 Vese, Silvana Plaque d'osteosynthese a flexibilite variable
US8419770B2 (en) 2003-12-10 2013-04-16 Gmedelaware 2 Llc Spinal facet implants with mating articulating bearing surface and methods of use
US7753937B2 (en) 2003-12-10 2010-07-13 Facet Solutions Inc. Linked bilateral spinal facet implants and methods of use
US8926700B2 (en) 2003-12-10 2015-01-06 Gmedelware 2 LLC Spinal facet joint implant
US8906063B2 (en) 2004-02-17 2014-12-09 Gmedelaware 2 Llc Spinal facet joint implant
US7914560B2 (en) 2004-02-17 2011-03-29 Gmedelaware 2 Llc Spinal facet implant with spherical implant apposition surface and bone bed and methods of use
US7998178B2 (en) 2004-02-17 2011-08-16 Gmedelaware 2 Llc Linked bilateral spinal facet implants and methods of use
US8579941B2 (en) 2004-02-17 2013-11-12 Alan Chervitz Linked bilateral spinal facet implants and methods of use
US8562649B2 (en) 2004-02-17 2013-10-22 Gmedelaware 2 Llc System and method for multiple level facet joint arthroplasty and fusion
US7998177B2 (en) 2004-02-17 2011-08-16 Gmedelaware 2 Llc Linked bilateral spinal facet implants and methods of use
US7815648B2 (en) 2004-06-02 2010-10-19 Facet Solutions, Inc Surgical measurement systems and methods
US8777994B2 (en) 2004-06-02 2014-07-15 Gmedelaware 2 Llc System and method for multiple level facet joint arthroplasty and fusion
US8900273B2 (en) 2005-02-22 2014-12-02 Gmedelaware 2 Llc Taper-locking fixation system
US7993373B2 (en) 2005-02-22 2011-08-09 Hoy Robert W Polyaxial orthopedic fastening apparatus
US8062336B2 (en) 2005-02-22 2011-11-22 Gmedelaware 2 Llc Polyaxial orthopedic fastening apparatus with independent locking modes
US7722647B1 (en) 2005-03-14 2010-05-25 Facet Solutions, Inc. Apparatus and method for posterior vertebral stabilization
US7758581B2 (en) 2005-03-28 2010-07-20 Facet Solutions, Inc. Polyaxial reaming apparatus and method
US8764801B2 (en) 2005-03-28 2014-07-01 Gmedelaware 2 Llc Facet joint implant crosslinking apparatus and method
US9402657B2 (en) 2005-04-08 2016-08-02 Paradigm Spine, Llc Interspinous vertebral and lumbosacral stabilization devices and methods of use
US10194956B2 (en) 2005-04-08 2019-02-05 Paradigm Spine, Llc Interspinous vertebral and lumbosacral stabilization devices and methods of use
US8470000B2 (en) 2005-04-08 2013-06-25 Paradigm Spine, Llc Interspinous vertebral and lumbosacral stabilization devices and methods of use
GB2427141B (en) * 2005-06-13 2010-12-22 Intelligent Orthopaedics Ltd Fixator
GB2427141A (en) * 2005-06-13 2006-12-20 Intelligent Orthopaedics Ltd A bone fixator allowing predetermined relative movement between the ends of a fractured bone
US9173746B2 (en) 2005-09-27 2015-11-03 Paradigm Spine, Llc Interspinous vertebral stabilization devices
US8328848B2 (en) 2005-09-27 2012-12-11 Paradigm Spine, Llc Interspinous vertebral stabilization devices
US10363071B2 (en) 2005-09-27 2019-07-30 Paradigm Spine, Llc Interspinous vertebral stabilization devices
US7922750B2 (en) 2006-11-30 2011-04-12 Paradigm Spine, Llc Interlaminar-interspinous vertebral stabilization system
US9522018B2 (en) 2006-12-10 2016-12-20 Paradigm Spine, Llc Posterior functionally dynamic stabilization system
US10092329B2 (en) 2006-12-10 2018-10-09 Paradigm Spine, Llc Posterior functionally dynamic stabilization system
US8920473B2 (en) 2006-12-10 2014-12-30 Paradigm Spine, Llc Posterior functionally dynamic stabilization system
US8333789B2 (en) 2007-01-10 2012-12-18 Gmedelaware 2 Llc Facet joint replacement
US8308768B2 (en) 2007-01-10 2012-11-13 Gmedelaware 2 Llc System and method for facet joint replacement
US8252027B2 (en) 2007-01-10 2012-08-28 Gmedelaware 2 Llc System and method for facet joint replacement
US8211147B2 (en) 2007-01-10 2012-07-03 Gmedelaware 2 Llc System and method for facet joint replacement
US8206418B2 (en) 2007-01-10 2012-06-26 Gmedelaware 2 Llc System and method for facet joint replacement with detachable coupler
US8353933B2 (en) 2007-04-17 2013-01-15 Gmedelaware 2 Llc Facet joint replacement
US8702759B2 (en) 2007-04-17 2014-04-22 Gmedelaware 2 Llc System and method for bone anchorage
US9050144B2 (en) 2007-04-17 2015-06-09 Gmedelaware 2 Llc System and method for implant anchorage with anti-rotation features
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