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FR2806614A1 - Intervertebral wedge fixing system comprises pedicular screws, and bar with thrust plate to support wedge - Google Patents

Intervertebral wedge fixing system comprises pedicular screws, and bar with thrust plate to support wedge Download PDF

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Publication number
FR2806614A1
FR2806614A1 FR0003572A FR0003572A FR2806614A1 FR 2806614 A1 FR2806614 A1 FR 2806614A1 FR 0003572 A FR0003572 A FR 0003572A FR 0003572 A FR0003572 A FR 0003572A FR 2806614 A1 FR2806614 A1 FR 2806614A1
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FR
France
Prior art keywords
wedge
bar
screws
thrust plate
intervertebral
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR0003572A
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French (fr)
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FR2806614B1 (en
Inventor
Guy Deneuvillers
Jean Taylor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cousin Biotech SAS
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Cousin Biotech SAS
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.)
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Publication date
Application filed by Cousin Biotech SAS filed Critical Cousin Biotech SAS
Priority to FR0003572A priority Critical patent/FR2806614B1/en
Priority to FR0101877A priority patent/FR2806616B1/en
Priority to EP01400732A priority patent/EP1138268A1/en
Publication of FR2806614A1 publication Critical patent/FR2806614A1/en
Application granted granted Critical
Publication of FR2806614B1 publication Critical patent/FR2806614B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
    • A61B17/7062Devices acting on, attached to, or simulating the effect of, vertebral processes, vertebral facets or ribs ; Tools for such devices
    • A61B17/7067Devices bearing against one or more spinous processes and also attached to another part of the spine; Tools therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/686Plugs, i.e. elements forming interface between bone hole and implant or fastener, e.g. screw
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/84Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86Pins or screws or threaded wires; nuts therefor
    • A61B17/864Pins or screws or threaded wires; nuts therefor hollow, e.g. with socket or cannulated

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Neurology (AREA)
  • Surgery (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)

Abstract

The fixing system, especially for an intervertebral wedge (10) in the sacral region, consists of two pedicular screws (1) linked by a bar (3) with a central thrust plate (5) which presses against the sacrum and supports the wedge. The bar and thrust plate are made from a lightweight biocompatible material such as titanium, and the rear part of the thrust plate has a notch for the passage of a ligament. The screws have expanding shanks, and the bar ends are fixed in the screw heads (2) by plugs (4).

Description

DISPOSITIF DE FIXATION SUR LE SACRUM. FIXING DEVICE ON THE SACRUM.

La présente invention a pour objet un dispositif de fixation, notamment d'une cale interépineuse, sur le sacrum. Dans l'anatomie du rachis le sacrum est constitué par cinq vertèbres soudées entre elles. Cette formation a conduit à la quasi disparition des épineuses desdites vertèbres. The subject of the present invention is a device for fixing, in particular an interspinous wedge, to the sacrum. In the anatomy of the spine the sacrum consists of five vertebrae welded together. This formation led to the virtual disappearance of the thorns of said vertebrae.

I1 a déjà été proposé dans FR-B-1004625 une prothèse pour le blocage de l'articulation lombo-sacrée. Ce blocage permet d'éviter les douleurs lors de déplacements relatifs des vertèbres. Dans ce brevet, la prothèse prend appui sur les deux épineuses extrêmes et se composent de deux barres longitudinales, fixées dans les vertèbres, solidarisées entre elles au moyen d'une ou plusieurs traverses. Mais une telle prothèse immobilise complètement la région concernée. Par ailleurs, notamment afin d'éviter des pincements des disques inter vertébraux, surtout vers l'arrière ce qui se traduit par des douleurs violentes, il est connu de disposer entre les apophyses épineuses des cales intervertébrales. Ces cales sont maintenues en position par contact des apophyses avec les bords de la cale et/ou par des ligaments entourant des épineuses entre lesquelles est insérée la cale. En bloquant une partie de la colonne vertébrale, elles produisent des transferts de charge au-dessus et en dessous des vertèbres entre les apophyses desquelles sont introduites des cales. Or, du fait de l'anatomie de la région sacrée la mise en place d'une cale interépineuse sur le niveau L5,S1 n'est pas possible. I1 has already been proposed in FR-B-1004625 a prosthesis for blocking the lumbosacral joint. This blockage prevents pain during relative displacement of the vertebrae. In this patent, the prosthesis rests on the two extreme spines and consists of two longitudinal bars, fixed in the vertebrae, secured to each other by means of one or more crosspieces. However, such a prosthesis completely immobilizes the region concerned. Furthermore, in particular in order to avoid pinching of the inter-vertebral discs, especially towards the rear, which results in severe pain, it is known to have intervertebral wedges between the spinous processes. These wedges are held in position by contact of the processes with the edges of the wedge and / or by ligaments surrounding the thorns between which the wedge is inserted. By blocking part of the spine, they produce load transfers above and below the vertebrae between the processes from which wedges are introduced. However, due to the anatomy of the sacral region, the placement of an interspinous wedge on the L5, S1 level is not possible.

Les arthrodèses lombaires avec ostéosynthèse au moyen d'un matériel orthopédique implanté dans le rachis à l'aide de vis pédiculaires sont réputées induire, par un phénomène de rupture de contrainte, une sollicitation accrue du segment vertébral sous-jacent qui peut conduire à une dégénérescence discale Les arthrodèses lombaires peuvent également accélérer une sténose suite à une hypermobilité segmentaire à l'occasion d'une libération canalaire étendue et déstabilisante. Lumbar arthrodeses with osteosynthesis using orthopedic material implanted in the spine using pedicle screws are deemed to induce, by a phenomenon of stress rupture, increased stress on the underlying vertebral segment which can lead to degeneration disc Lumbar arthrodesis can also accelerate a stenosis following a segmental hypermobility during an extensive and destabilizing canal release.

Un premier objet de l'invention est de pallier cet inconvénient et de permettre l'insertion une cale intervertébrale notamment dans la région lombo-sacrée. A first object of the invention is to overcome this drawback and to allow the insertion of an intervertebral wedge in particular in the lumbosacral region.

Selon 'invention, le dispositif de fixation une cale intervertébrale notamment dans la région sacrée du rachis comprenant deux vis pédiculaires est caractérisé en ce qu'il est constitué par une barre de liaison avec les deux vis sur laquelle est montée, dans sa partie centrale une plaque prenant appui, après sa pose, sur le sacrum. According to the invention, the device for fixing an intervertebral wedge in particular in the sacral region of the spine comprising two pedicle screws is characterized in that it is constituted by a bar connecting with the two screws on which is mounted, in its central part a plate resting, after its installation, on the sacrum.

La plaque centrale joue ainsi le rôle d'une épineuse pour maintenir la cale entre les vertèbres L5 et S1. The central plate thus plays the role of a thorn to maintain the wedge between the L5 and S1 vertebrae.

Selon autre caractéristique de l'invention, une butée traversant la plaque autorise un contre appui sur le sacrum pour soutenir les charges appliquées par la cale interépineuse. According to another characteristic of the invention, a stop passing through the plate authorizes a counter support on the sacrum to support the loads applied by the interspinous wedge.

D'autres caractéristiques et avantages de l'invention apparaitront au cours de la description qui va suivre d'un mode particulier de réalisation, donné uniquement à titre d'exemple non limitatif, en regard des dessins qui représentent - la figure 1, une vue de côté de la plaque prothétique avec vis de fixation et cale intervertébrale; - la figure 2, une vue de face de la barre de fixation; - la figure 3, une vue par dessus de la même barre; - les figures 4 et 5 des vue de détail de la plaque. Other characteristics and advantages of the invention will appear during the description which follows of a particular embodiment, given solely by way of nonlimiting example, with reference to the drawings which represent - FIG. 1, a view side of the prosthetic plate with fixing screw and intervertebral wedge; - Figure 2, a front view of the fixing bar; - Figure 3, a top view of the same bar; - Figures 4 and 5 of the plate detail view.

Sur l'ensemble des figures, les mêmes références désignent les mêmes éléments. Sur la figure 1, on voit que le dispositif de fixation se compose de deux vis pédiculaires 1 (dont une seule apparait sur la figure) à l'intérieur des têtes 2 desquelles est glissée une barre 3. La tête tulipe de chacune des vis 1 est filetée pour recevoir un bouchon également fileté 4 qui immobilise la tige 3 rotation. En effet, la barre 3 peut tourner avant fixation par les bouchons 4 pour permettre une adaptation de la fixation à la morphologie du patient (angle entre les vertebres lombaires et le sacrum). De préférence, les vis 1 sont des vis à expansion jouant le rôle de cheville pour assurer une fixation solide dans l'os. Throughout the figures, the same references designate the same elements. In Figure 1, we see that the fixing device consists of two pedicle screws 1 (only one of which appears in the figure) inside the heads 2 of which is slid a bar 3. The tulip head of each of the screws 1 is threaded to receive a plug also threaded 4 which immobilizes the rod 3 rotation. Indeed, the bar 3 can rotate before fixation by the plugs 4 to allow adaptation of the fixation to the patient's morphology (angle between the lumbar vertebrae and the sacrum). Preferably, the screws 1 are expansion screws playing the role of ankle to ensure a solid fixation in the bone.

on a représenté partiellement sur la figure en coupe une cale intervertébrale C qui prend appui d'une part sur L5 et, d'autre part sur la plaque 5 elle-même fixée le sacrum. La cale souple peut légèrement pivoter par rapport aux vis 1. De préférence la plaque 5 présente un prolongement 6, vers l'arrière sur la figure, destiné à permettre son appui sur le sacrum (non représenté). partially shown in the cross section is an intervertebral wedge C which rests on the one hand on L5 and, on the other hand on the plate 5 itself fixed the sacrum. The flexible wedge can pivot slightly relative to the screws 1. Preferably the plate 5 has an extension 6, rearward in the figure, intended to allow its support on the sacrum (not shown).

Sur la figure 2 on distingue la tige ou entretoise 3 dont les extremités, éventuellement coupées à longueur sont introduites après vissage des vis 1 dans les têtes 2 dans lesquelles elles seront serrées. La plaque 5 forme une protubérance destinée à pallier l'absence d'épineuse à ce niveau. Elle est, bien entendu orientée convenablement par rapport sacrum sur lequel elle va reposer La tige 3 et la plaque 5 sont réalisées en un métal biocompatible léger tel que titane. In Figure 2 we distinguish the rod or spacer 3 whose ends, possibly cut to length are introduced after screwing the screws 1 in the heads 2 in which they will be tightened. The plate 5 forms a protuberance intended to compensate for the absence of thorny at this level. It is, of course, oriented properly relative to the sacrum on which it will rest. The rod 3 and the plate 5 are made of a light biocompatible metal such as titanium.

La plaque 5 représenté sur la figure 4 est inscriptible dans un rectangle. Elle présente dans sa partie arrière une échancrure 9 découpée pour permettre le maintien d'un ligament non représenté) qui passe autour l'apophyse de L5 et maintient la cale entre L5 et la plaque 5. The plate 5 shown in Figure 4 is writable in a rectangle. It has in its rear part a notch 9 cut to allow the maintenance of a ligament (not shown) which passes around the apophysis of L5 and maintains the wedge between L5 and plate 5.

De préférence et comme représenté sur la figure 5, il est possible de faire passer un pied d'appui ou butée 8 faisant saillie à partie de la plaque. Cet appui est réglable pour adapter la prothèse à la morphologie du patient et est vissé dans la cavité ? représentée sur la figure 5. Ce pied réglable peut être remplacé par une bille ou une pièce en V se stabilisant sur la portée supérieure du sacrum. Preferably and as shown in Figure 5, it is possible to pass a support foot or stop 8 projecting from the plate. This support is adjustable to adapt the prosthesis to the patient's morphology and is screwed into the cavity? shown in Figure 5. This adjustable foot can be replaced by a ball or a V-piece stabilizing on the upper reach of the sacrum.

Le processus opératoire est le suivant dans un premier temps le chirurgien perce dans le sacrum tous de passage des vis 1 qu'il insère dans lesdits trous; après quoi il introduit la tige 3 dans les têtes 4 des vis pédiculaires 1 après éventuellement une mise à longueur et un cintrage de la tige; - il règle ensuite la position de la plaque et assure appui sur le sacrum par la butée réglable et il immobilise la tige en rotation; - il pose la cale intervertébrale C et la fixe par un ou deux)ligament. The operating process is as follows at first the surgeon pierces in the sacrum all passage of the screws 1 which he inserts into said holes; after which he introduces the rod 3 into the heads 4 of the pedicle screws 1 after possibly a lengthening and bending of the rod; - It then adjusts the position of the plate and ensures support on the sacrum by the adjustable stop and it immobilizes the rod in rotation; - he places the intervertebral wedge C and fixes it with one or two) ligament.

L'invention autorise la mise en place d'une prothèse intervertébrale amortissant lors d'arthropathie facettaire de déficit discal, dégénératif ou iatrogène d'ostéosynthèse transitionnelle. Elle peut être mise en oeuvre chaque fois que les apophyses sont absentes ou insuffisantes pour supporter une cale interépineuse. The invention authorizes the installation of a damping intervertebral prosthesis during facet arthropathy of a disc, degenerative or iatrogenic deficit of transitional osteosynthesis. It can be implemented whenever the processes are absent or insufficient to support an interspinous wedge.

I1 va de soi que de nombreuses variantes peuvent être apportées, notamment par substitution de moyens techniques équivalents, sans sortir pour cela du cadre de l'invention.It goes without saying that many variants can be made, in particular by substitution of equivalent technical means, without going beyond the ambit of the invention.

Claims (1)

REVENDICATIONS 1 Dispositif de fixation d'une cale intervertébrale notamment dans la région sacrée du rachis comprenant deux vis pédiculaires (1) caractérisé ce qu'il est constitué par une barre (3) de liaison avec les deux vis (1) sur laquelle est montée, dans sa partie centrale, une plaque (5) prenant appui, après pose, sur le sacrum et servant de support à une cale intervertébrale (C) 2 Dispositif de fixation selon la revendication 1, caractérisé en ce qu'une butée (8) traversant la plaque (5) autorise un contre appui sur le sacrum pour soutenir charges appliquées par la cale (C). 3 Dispositif de fixation selon la revendication 1 ou 2, caractérisé en ce que la plaque (5) comporte dans sa partie arrière une échancrure (9) pour passage d'un ligament. 4 Dispositif de fixation selon la revendication 1, 2 ou caractérisé en ce que les extrémités de la tige (3) sont cylindriques et sont bloquées dans les têtes (2) vis (1) par des bouchons (4). 5 Dispositif de fixation selon l'une des revendications precédentes, caractérisé en ce que les vis (1) sont expansibles latéralement. CLAIMS 1 Device for fixing an intervertebral wedge in particular in the sacral region of the spine comprising two pedicle screws (1) characterized in that it consists of a bar (3) connecting with the two screws (1) on which is mounted , in its central part, a plate (5) bearing, after installation, on the sacrum and serving as support for an intervertebral wedge (C) 2 Fastening device according to claim 1, characterized in that a stop (8) crossing the plate (5) allows a counter support on the sacrum to support loads applied by the wedge (C). 3 A fixing device according to claim 1 or 2, characterized in that the plate (5) has in its rear part a notch (9) for passage of a ligament. 4 Fastening device according to claim 1, 2 or characterized in that the ends of the rod (3) are cylindrical and are locked in the heads (2) screws (1) by plugs (4). 5 Fastening device according to one of the preceding claims, characterized in that the screws (1) are expandable laterally.
FR0003572A 2000-03-21 2000-03-21 FASTENING DEVICE ON THE SACRUM Expired - Fee Related FR2806614B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0003572A FR2806614B1 (en) 2000-03-21 2000-03-21 FASTENING DEVICE ON THE SACRUM
FR0101877A FR2806616B1 (en) 2000-03-21 2001-02-12 INTERPINEUSE SHIM AND FASTENING DEVICE ON THE SACRUM
EP01400732A EP1138268A1 (en) 2000-03-21 2001-03-21 Device for the fixation of an interspinous wedge on the sacrum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0003572A FR2806614B1 (en) 2000-03-21 2000-03-21 FASTENING DEVICE ON THE SACRUM

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FR2806614A1 true FR2806614A1 (en) 2001-09-28
FR2806614B1 FR2806614B1 (en) 2002-05-31

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Cited By (30)

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US6419676B1 (en) 1997-01-02 2002-07-16 St. Francis Medical Technologies, Inc. Spine distraction implant and method
US6796983B1 (en) 1997-01-02 2004-09-28 St. Francis Medical Technologies, Inc. Spine distraction implant and method
US7670377B2 (en) 2003-11-21 2010-03-02 Kyphon Sarl Laterally insertable artifical vertebral disk replacement implant with curved spacer
US7695513B2 (en) 2003-05-22 2010-04-13 Kyphon Sarl Distractible interspinous process implant and method of implantation
US7749252B2 (en) 2005-03-21 2010-07-06 Kyphon Sarl Interspinous process implant having deployable wing and method of implantation
US7758619B2 (en) 1997-01-02 2010-07-20 Kyphon SÀRL Spinous process implant with tethers
US7763050B2 (en) 2004-12-13 2010-07-27 Warsaw Orthopedic, Inc. Inter-cervical facet implant with locking screw and method
US7776090B2 (en) 2004-12-13 2010-08-17 Warsaw Orthopedic, Inc. Inter-cervical facet implant and method
US7803190B2 (en) 2002-10-29 2010-09-28 Kyphon SÀRL Interspinous process apparatus and method with a selectably expandable spacer
US7833246B2 (en) 2002-10-29 2010-11-16 Kyphon SÀRL Interspinous process and sacrum implant and method
US7909853B2 (en) 2004-09-23 2011-03-22 Kyphon Sarl Interspinous process implant including a binder and method of implantation
US7959652B2 (en) 2005-04-18 2011-06-14 Kyphon Sarl Interspinous process implant having deployable wings and method of implantation
US8012209B2 (en) 2004-09-23 2011-09-06 Kyphon Sarl Interspinous process implant including a binder, binder aligner and method of implantation
US8048117B2 (en) 2003-05-22 2011-11-01 Kyphon Sarl Interspinous process implant and method of implantation
US8070778B2 (en) 2003-05-22 2011-12-06 Kyphon Sarl Interspinous process implant with slide-in distraction piece and method of implantation
US8202299B2 (en) 2008-03-19 2012-06-19 Collabcom II, LLC Interspinous implant, tools and methods of implanting
CN101707870B (en) * 2007-05-10 2013-01-30 华沙整形外科股份有限公司 Posterior stabilization and spinous process systems
US8974496B2 (en) 2007-08-30 2015-03-10 Jeffrey Chun Wang Interspinous implant, tools and methods of implanting
US9662150B1 (en) 2007-02-26 2017-05-30 Nuvasive, Inc. Spinal stabilization system and methods of use
US10448977B1 (en) 2012-03-31 2019-10-22 Ali H. MESIWALA Interspinous device and related methods
US10543107B2 (en) 2009-12-07 2020-01-28 Samy Abdou Devices and methods for minimally invasive spinal stabilization and instrumentation
US10548740B1 (en) 2016-10-25 2020-02-04 Samy Abdou Devices and methods for vertebral bone realignment
US10575961B1 (en) 2011-09-23 2020-03-03 Samy Abdou Spinal fixation devices and methods of use
US10695105B2 (en) 2012-08-28 2020-06-30 Samy Abdou Spinal fixation devices and methods of use
US10857003B1 (en) 2015-10-14 2020-12-08 Samy Abdou Devices and methods for vertebral stabilization
US10918498B2 (en) 2004-11-24 2021-02-16 Samy Abdou Devices and methods for inter-vertebral orthopedic device placement
US10973648B1 (en) 2016-10-25 2021-04-13 Samy Abdou Devices and methods for vertebral bone realignment
US11006982B2 (en) 2012-02-22 2021-05-18 Samy Abdou Spinous process fixation devices and methods of use
US11173040B2 (en) 2012-10-22 2021-11-16 Cogent Spine, LLC Devices and methods for spinal stabilization and instrumentation
US11179248B2 (en) 2018-10-02 2021-11-23 Samy Abdou Devices and methods for spinal implantation

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US6695842B2 (en) 1997-10-27 2004-02-24 St. Francis Medical Technologies, Inc. Interspinous process distraction system and method with positionable wing and method
US6712819B2 (en) 1998-10-20 2004-03-30 St. Francis Medical Technologies, Inc. Mating insertion instruments for spinal implants and methods of use
US6048342A (en) 1997-01-02 2000-04-11 St. Francis Medical Technologies, Inc. Spine distraction implant
US6514256B2 (en) 1997-01-02 2003-02-04 St. Francis Medical Technologies, Inc. Spine distraction implant and method
US6652534B2 (en) 1998-10-20 2003-11-25 St. Francis Medical Technologies, Inc. Apparatus and method for determining implant size
US6652527B2 (en) 1998-10-20 2003-11-25 St. Francis Medical Technologies, Inc. Supplemental spine fixation device and method
US6582433B2 (en) 2001-04-09 2003-06-24 St. Francis Medical Technologies, Inc. Spine fixation device and method
US8029540B2 (en) 2005-05-10 2011-10-04 Kyphon Sarl Inter-cervical facet implant with implantation tool
US8343190B1 (en) 2008-03-26 2013-01-01 Nuvasive, Inc. Systems and methods for spinous process fixation
US8882805B1 (en) 2011-08-02 2014-11-11 Lawrence Maccree Spinal fixation system

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FR1004625A (en) * 1949-12-21 1952-04-01 Prosthesis for blocking the lumbosacral joint
US5282863A (en) * 1985-06-10 1994-02-01 Charles V. Burton Flexible stabilization system for a vertebral column
US4743256A (en) * 1985-10-04 1988-05-10 Brantigan John W Surgical prosthetic implant facilitating vertebral interbody fusion and method
US5702392A (en) * 1995-09-25 1997-12-30 Wu; Shing-Sheng Coupling plate for spinal correction and a correction device of using the same
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Cited By (56)

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Publication number Priority date Publication date Assignee Title
US7901432B2 (en) 1997-01-02 2011-03-08 Kyphon Sarl Method for lateral implantation of spinous process spacer
US7828822B2 (en) 1997-01-02 2010-11-09 Kyphon SÀRL Spinous process implant
US6419676B1 (en) 1997-01-02 2002-07-16 St. Francis Medical Technologies, Inc. Spine distraction implant and method
US7918877B2 (en) 1997-01-02 2011-04-05 Kyphon Sarl Lateral insertion method for spinous process spacer with deployable member
US7758619B2 (en) 1997-01-02 2010-07-20 Kyphon SÀRL Spinous process implant with tethers
US7955356B2 (en) 1997-01-02 2011-06-07 Kyphon Sarl Laterally insertable interspinous process implant
US6796983B1 (en) 1997-01-02 2004-09-28 St. Francis Medical Technologies, Inc. Spine distraction implant and method
US7803190B2 (en) 2002-10-29 2010-09-28 Kyphon SÀRL Interspinous process apparatus and method with a selectably expandable spacer
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