DE3023353A1 - Zwischenwirbel-totalprothese - Google Patents
Zwischenwirbel-totalprotheseInfo
- Publication number
- DE3023353A1 DE3023353A1 DE19803023353 DE3023353A DE3023353A1 DE 3023353 A1 DE3023353 A1 DE 3023353A1 DE 19803023353 DE19803023353 DE 19803023353 DE 3023353 A DE3023353 A DE 3023353A DE 3023353 A1 DE3023353 A1 DE 3023353A1
- Authority
- DE
- Germany
- Prior art keywords
- bearing body
- spacer
- bearing
- recess
- tab
- 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
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30878—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves with non-sharp protrusions, for instance contacting the bone for anchoring, e.g. keels, pegs, pins, posts, shanks, stems, struts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
- A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
- A61F2002/443—Intervertebral or spinal discs, e.g. resilient made of articulated components having two transversal endplates and at least one intermediate component
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Description
- Zwischenwirbel-Totalprothese
- Die Erfindung betrifft elr.e Zwischenwirbel-Totalprothese, insbesondere für Halswirbel, bei der in den einander zugewandten benachbarten Endflächen zweier Wirbel je ein, eine Gelenkpfanne enthaltender Lagerkörper mit mindestens im wesentlichen rechteckigem oder quadratischem Grundriss verankert ist, wobei zwischen die Lagerkörper ein Abstandskörper eingelegt ist.
- Zwischenwirbel-Prothesen der genannten Art sind bekannt (DE-OS 28 04 936). Bei der bisherigen Konstruktion dieser Prothesen, die in erster Linie als Halswirbel-Prothesen verwendet werden, besteht die Gefahr, dass infolge der relativ grossen Beweglichkeit der Halswirbel der Abstandskörper, der bevorzugt in bekannter Weise im wesentlichen konvex linsenförmig ausgebildet ist, aus den Lagerpfannen herausgedrückt wird; in erster Linie bei Bewegungen, die mit Nicken des Kopfes" bezeichnet werden, kann der Abstandskörper relativ leicht nach hinten aus den bisherigen Lagerschalen herausgleiten. Aufgabe der Erfindung ist es daher, eine Zwischenwirbel-Totalprothese zu schaffen, bei der eine erhöhte Sicherheit gegen ein Herausgleiten des Abstandskörpers aus den pfannenartigen Ausnehmungen der Lagerkörper besteht.
- Gemäss der vorliegenden Erfindung wird diese Aufgabe dadurch gelöst, dass jeder Lagerkörper in einer seiner Längsseiten, vom Niveau des Randes seiner Gelenkpfanne aus gesehen, eine Vertiefung und an der dazu parallelen Längsseite einen vorspringenden Lappen hat, wobei die Vertiefung und der Lappen so aufeinander abgestimmt sind, dass bei eingelegtem Abstandskörper der Lappen des einen Lagerkörpers in die Vertiefung des anderen Lagerkörpers eingreift.
- Bei der neuen Konstruktion greifen die beiden Lagerkörper mit ihren dorsal und ventral gelegenen Seiten ineinander.
- Dadurch ist ihre Gleitbewegung auf dem Abstandskörper weitgehend geführt, so dass Verschiebungen der Prothesenteile relativ zueinander nach vorne und nach hinten erschwert werden.Darüberhinaus ist der Abstandskörper durch den Lappen des einen Lagerkörpers, der auch bei Nickbewegungen den anderen Lagerkörper in dessen Vertiefung überlappt, "gefangen, wodurch ein Herausgleiten aus den Lagerpfannen vermieden wird.
- Im folgenden wird die Erfindung anhand eines Ausführungsbeispiels im Zusammenhang mit der Zeichnung näher erläutert.
- Fig. 1 zeigt als Ausführungsbeispiel eine Halswirbelprothese, die schematisch zwischen zwei Halswirbel eingesetzt ist, in einer Ansicht von hinten und teilweise im Schnitt; Fig. 2 ist der Schnitt II-II von Fig. 1.
- In eine - beispielsweise mit einem Fräser hergestellte -Ausnehmung eines Wirbelkörpers 1, an dem auf beiden Seiten der Fig. 1 noch Ansätze 3 der Wirbelfortsätze angedeutet sind, ist ein Lagerkörper 4 eingesetzt, der beispielsweise einen rechteckigen oder quadratischen Grundriss hat.
- In die äussere, d.h. dem benachbarten Wirbel 1 zugewandte, Oberfläche des Lagerkörpers 4 ist eine Gelenkpfanne 7 eingelassen, die in Form und Grösse an einen Abstandskörper 5 angepasst ist, der zwischen die Lagerkörper 4 zweier benachbarter Wirbelkörper 1 als Prothesenkörper eingelegt wird.
- Der Abstandskörper 5 ist im vorliegenden Beispiel linsenförmig ausgebildet, kann aber auch eine Kugel, ein kugelähnlicher oder ein elliptischer Körper sein.
- Jeder Lagerkörper 4 trägt auf seiner, den Wirbeln zugewandten rnrundfläch je zwei Verankerungszapfen 2, mit denen er in operativ vorbereitete Bohrungen der Wirbel 1 eingepresst oder eingeschlagen wird.
- Betrachtet man die den Rand der Gelenkpfanne 7 enthaltende Ebene als Bezugsebene, so hat jeder Lagerkörper 4 entweder in seiner dorsalen oder ventralen Seite erfindungsgemäss eine Vertiefung 6, in die als Gegenstück ein vorspringender Lappen 8 des anderen Lagerkörpers 4 eingreift. Bei Aufwärts-und Abwärtsbewegungen des Kopfes verschieben sich die jeweils zusammenwirkende Vertiefung 6 und der Lappen 8 relativ zueinander; dabei taucht der Lappen 8 entweder tiefer in die Vertiefung 6 ein oder gleitet teilweise aus ihr heraus, ohne dass jedoch - besonders bei der Abwärtsbewegung - ein so grosser Spalt zwischen beiden entsteht, dass der Abstandskörper 5 nach hinten aus den Gelenkpfannen 7 herausgleiten kann.
- Um auch bei seitlichen Kippbewegungen des Kopfes die Lagerkörper 4 in ihrer Bewegung zu führen, sind die Vertiefungen 6 zusätzlich mit schräg verlaufender Begrenzung 9 muldenförmig ausgebildet, der im wesentlichen parallel dazu verlaufende schräge Flanken 10 des Lappens 8 zugeordnet sind.
- Die Lagerkörper 4 und der Abstandskörper 5 sind aus in der Implantat-Technik bewährten Werkstoffen hergestellt; insbesondere haben sich hochmolekulares Polyäthylen (HDPE) für die Lagerkörper 4 und Biokeramik, vor allem hochreines und dichtes A12031 für die Abstandskörper 5 bewährt.
Claims (2)
- Patentansprüche Zwischenwirbel-Totalprothese, insbesondere für Halswirbel, bei der in den einander zugewandten benachbarten Endflächen zweier Wirbel je ein, eine Gelenkpfanne tragender Lagerkörper mit mindestens im wesentlichen rechteckigem oder quadratischem Grundriss verankert ist, wobei zwischen die Lagerkörper ein Abstandskörper eingelegt ist, dadurch gekennzeichnet, dass jeder Lagerkörper (4) in einer seiner Längsseiten, vom Niveau des Randes seiner Gelenkpfanne (7) aus gesehen, eine Vertiefung (6) und an der dazu parallelen Längsseite einen vorspringenden Lappen (8) hat, wobei die Vertiefung (6) und der Lappen (8) so aufeinander abgestimmt sind, dass bei eingelegtem Abstandskörper (5) der Lappen (8) des einen Lagerkörpers (4) in die Vertiefung (6) des anderen Lagerkörpers (4) eingreift.
- 2. Prothese nach Anspruch l,dadurch gekennzeichnet, dass die Vertiefung (6) und der Lappen (8) mit schrägen, im wesentlichen parallel zueinander verlaufenden Begrenzungen (9) bzw. Flanken (10) versehen sind.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH890679A CH640131A5 (en) | 1979-10-03 | 1979-10-03 | Complete intervertebral prosthesis |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3023353A1 true DE3023353A1 (de) | 1981-04-09 |
DE3023353C2 DE3023353C2 (de) | 1982-04-22 |
Family
ID=4346106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19803023353 Expired DE3023353C2 (de) | 1979-10-03 | 1980-06-21 | Zwischenwirbel-Totalprothese |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH640131A5 (de) |
DE (1) | DE3023353C2 (de) |
Cited By (100)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0042271A1 (de) * | 1980-06-13 | 1981-12-23 | David J. Kuntz | Zwischenwirbel-Scheibenprothese |
US4553273A (en) * | 1983-11-23 | 1985-11-19 | Henry Ford Hospital | Vertebral body prosthesis and spine stabilizing method |
EP0176728A1 (de) * | 1984-09-04 | 1986-04-09 | Humboldt-Universität zu Berlin | Bandscheibenendoprothese |
EP0260044A1 (de) * | 1986-08-29 | 1988-03-16 | John Anthony Norman Shepperd | Rückgratimplantat |
EP0317972A1 (de) * | 1987-11-24 | 1989-05-31 | Asahi Kogaku Kogyo Kabushiki Kaisha | Künstliche Zwischenwirbelscheibe |
US4874389A (en) * | 1987-12-07 | 1989-10-17 | Downey Ernest L | Replacement disc |
FR2659226A1 (fr) * | 1990-03-07 | 1991-09-13 | Jbs Sa | Prothese pour disques intervertebraux et ses instruments d'implantation. |
US5062850A (en) * | 1990-01-16 | 1991-11-05 | University Of Florida | Axially-fixed vertebral body prosthesis and method of fixation |
US5071437A (en) * | 1989-02-15 | 1991-12-10 | Acromed Corporation | Artificial disc |
US5147404A (en) * | 1987-12-07 | 1992-09-15 | Downey Ernest L | Vertebra prosthesis |
DE4213771C1 (de) * | 1992-04-27 | 1993-09-30 | Eska Medical Gmbh & Co | Bandscheibenendoprothese |
EP0566810A1 (de) * | 1992-04-21 | 1993-10-27 | SULZER Medizinaltechnik AG | Künstlicher Bandscheibenkörper |
FR2694882A1 (fr) * | 1992-08-24 | 1994-02-25 | Sofamor | Prothèse discale intervertébrale. |
US5401269A (en) * | 1992-03-13 | 1995-03-28 | Waldemar Link Gmbh & Co. | Intervertebral disc endoprosthesis |
US5507816A (en) * | 1991-12-04 | 1996-04-16 | Customflex Limited | Spinal vertebrae implants |
US5534029A (en) * | 1992-12-14 | 1996-07-09 | Yumiko Shima | Articulated vertebral body spacer |
FR2730159A1 (fr) * | 1995-02-06 | 1996-08-09 | Teule Jean Germain | Prothese pour disque intervertebral |
EP0754018A1 (de) * | 1992-01-06 | 1997-01-22 | Danek Medical, Inc. | Arthroplastische vorrichtung als bandscheibenersatz |
US5674296A (en) * | 1994-11-14 | 1997-10-07 | Spinal Dynamics Corporation | Human spinal disc prosthesis |
US5676701A (en) * | 1993-01-14 | 1997-10-14 | Smith & Nephew, Inc. | Low wear artificial spinal disc |
EP1057462A1 (de) | 1999-05-21 | 2000-12-06 | Waldemar Link (GmbH & Co.) | Zwischenwirbel-Endoprothese mit einer gezahnten Anschlussplatte |
FR2824261A1 (fr) * | 2001-05-04 | 2002-11-08 | Ldr Medical | Prothese de disque intervertebral et procede et outils de mise en place |
EP1344508A1 (de) | 2002-03-12 | 2003-09-17 | Waldemar Link (GmbH & Co.) | Zwischenwirbelprothese, insbesondere für die Halswirbelsäule |
WO2004019828A1 (de) * | 2002-09-02 | 2004-03-11 | Mathys Medizinaltechnik Ag | Zwischenwirbelimplantat mit dreiteiligem gelenk |
WO2004043304A2 (de) * | 2002-11-14 | 2004-05-27 | Sepitec Foundation | Implantat zum einsatz bei versteifungsoperationen an der wirbelsäule |
US6808538B2 (en) | 2002-03-15 | 2004-10-26 | Stryker Spine | Vertebral body spacer having variable wedged endplates |
WO2006042486A1 (de) * | 2004-10-18 | 2006-04-27 | Buettner-Janz Karin | Bandscheibenendoprothese mit bewegungsadaptiertem rand für die lenden- und halswirbelsäule |
US7179262B2 (en) | 2000-08-08 | 2007-02-20 | Sdgi Holdings, Inc. | Method and apparatus for stereotactic implantation |
EP1795155A2 (de) | 1999-07-02 | 2007-06-13 | Spine Solutions Inc. | Zwischenwirbelimplantat |
US7255714B2 (en) | 2003-09-30 | 2007-08-14 | Michel H. Malek | Vertically adjustable intervertebral disc prosthesis |
US7361192B2 (en) | 2005-04-22 | 2008-04-22 | Doty Keith L | Spinal disc prosthesis and methods of use |
JP2008541895A (ja) * | 2005-06-03 | 2008-11-27 | マティス アクチエンゲゼルシャフト ベトラッハ | 椎間円板インプラント |
US7695515B2 (en) | 2003-07-15 | 2010-04-13 | Spinal Generations, Llc | Spinal disc prosthesis system |
US7731754B2 (en) | 2002-09-19 | 2010-06-08 | Spinalmotion, Inc. | Intervertebral prosthesis |
US7799080B2 (en) | 2005-04-22 | 2010-09-21 | Doty Keith L | Spinal disc prosthesis and methods of use |
US7935133B2 (en) | 2008-02-08 | 2011-05-03 | Mmsn Limited Partnership | Interlaminar hook |
US7959678B2 (en) | 2004-05-18 | 2011-06-14 | Zimmer Gmbh | Intervertebral disk implant |
US7963994B2 (en) | 2002-09-12 | 2011-06-21 | Biedermann Motech Gmbh | Intervertebral disk prosthesis |
US8002834B2 (en) | 2004-07-30 | 2011-08-23 | Spinalmotion, Inc. | Intervertebral prosthetic disc with metallic core |
US8083797B2 (en) | 2005-02-04 | 2011-12-27 | Spinalmotion, Inc. | Intervertebral prosthetic disc with shock absorption |
US8090428B2 (en) | 2003-01-31 | 2012-01-03 | Spinalmotion, Inc. | Spinal midline indicator |
US8092542B2 (en) | 2000-08-08 | 2012-01-10 | Warsaw Orthopedic, Inc. | Implantable joint prosthesis |
US8092538B2 (en) | 2003-05-27 | 2012-01-10 | Spinalmotion, Inc. | Intervertebral prosthetic disc |
US8187304B2 (en) | 2008-11-10 | 2012-05-29 | Malek Michel H | Facet fusion system |
US8206449B2 (en) | 2008-07-17 | 2012-06-26 | Spinalmotion, Inc. | Artificial intervertebral disc placement system |
US8206447B2 (en) | 2004-08-06 | 2012-06-26 | Spinalmotion, Inc. | Methods and apparatus for intervertebral disc prosthesis insertion |
US8486113B2 (en) | 2003-11-25 | 2013-07-16 | Michel H. Malek | Spinal stabilization systems |
US8486147B2 (en) | 2006-04-12 | 2013-07-16 | Spinalmotion, Inc. | Posterior spinal device and method |
US8506631B2 (en) | 2007-08-09 | 2013-08-13 | Spinalmotion, Inc. | Customized intervertebral prosthetic disc with shock absorption |
US8617214B2 (en) | 2008-01-07 | 2013-12-31 | Mmsn Limited Partnership | Spinal tension band |
US8685035B2 (en) | 2003-01-31 | 2014-04-01 | Spinalmotion, Inc. | Intervertebral prosthesis placement instrument |
US8721725B2 (en) | 2005-06-22 | 2014-05-13 | Cervitech, Inc. | Intervertebral prosthesis with self-tapping fixing projections |
US8758441B2 (en) | 2007-10-22 | 2014-06-24 | Spinalmotion, Inc. | Vertebral body replacement and method for spanning a space formed upon removal of a vertebral body |
US8845730B2 (en) | 2008-07-18 | 2014-09-30 | Simplify Medical, Inc. | Posterior prosthetic intervertebral disc |
US9011544B2 (en) | 2008-05-05 | 2015-04-21 | Simplify Medical, Inc. | Polyaryletherketone artificial intervertebral disc |
US9034038B2 (en) | 2008-04-11 | 2015-05-19 | Spinalmotion, Inc. | Motion limiting insert for an artificial intervertebral disc |
US9220603B2 (en) | 2008-07-02 | 2015-12-29 | Simplify Medical, Inc. | Limited motion prosthetic intervertebral disc |
US9301787B2 (en) | 2010-09-27 | 2016-04-05 | Mmsn Limited Partnership | Medical apparatus and method for spinal surgery |
US9439775B2 (en) | 2008-03-11 | 2016-09-13 | Simplify Medical Pty Ltd | Artificial intervertebral disc with lower height |
US9492214B2 (en) | 2008-12-18 | 2016-11-15 | Michel H. Malek | Flexible spinal stabilization system |
US9655741B2 (en) | 2003-05-27 | 2017-05-23 | Simplify Medical Pty Ltd | Prosthetic disc for intervertebral insertion |
US9717511B2 (en) | 2006-07-31 | 2017-08-01 | DePuy Synthes Products, Inc. | Drilling/milling guide and keel cut preparation system |
US9839530B2 (en) | 2007-06-26 | 2017-12-12 | DePuy Synthes Products, Inc. | Highly lordosed fusion cage |
US9883951B2 (en) | 2012-08-30 | 2018-02-06 | Interventional Spine, Inc. | Artificial disc |
US9883950B2 (en) | 2006-07-24 | 2018-02-06 | Centinel Spine Llc | Intervertebral implant with keel |
US9895236B2 (en) | 2010-06-24 | 2018-02-20 | DePuy Synthes Products, Inc. | Enhanced cage insertion assembly |
US9913727B2 (en) | 2015-07-02 | 2018-03-13 | Medos International Sarl | Expandable implant |
US9931223B2 (en) | 2008-04-05 | 2018-04-03 | DePuy Synthes Products, Inc. | Expandable intervertebral implant |
US9993349B2 (en) | 2002-06-27 | 2018-06-12 | DePuy Synthes Products, Inc. | Intervertebral disc |
US10058433B2 (en) | 2012-07-26 | 2018-08-28 | DePuy Synthes Products, Inc. | Expandable implant |
US10182831B2 (en) | 2003-04-28 | 2019-01-22 | Centinel Spine Llc | Instruments and method for preparing an intervertebral space for receiving an artificial disc implant |
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US10751187B2 (en) | 2007-06-08 | 2020-08-25 | Ldr Medical | Intersomatic cage, intervertebral prosthesis, anchoring device and implantation instruments |
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US10940016B2 (en) | 2017-07-05 | 2021-03-09 | Medos International Sarl | Expandable intervertebral fusion cage |
US11344424B2 (en) | 2017-06-14 | 2022-05-31 | Medos International Sarl | Expandable intervertebral implant and related methods |
US11395626B2 (en) | 2006-12-07 | 2022-07-26 | DePuy Synthes Products, Inc. | Sensor for intervertebral fusion indicia |
US11426286B2 (en) | 2020-03-06 | 2022-08-30 | Eit Emerging Implant Technologies Gmbh | Expandable intervertebral implant |
US11426290B2 (en) | 2015-03-06 | 2022-08-30 | DePuy Synthes Products, Inc. | Expandable intervertebral implant, system, kit and method |
US11446156B2 (en) | 2018-10-25 | 2022-09-20 | Medos International Sarl | Expandable intervertebral implant, inserter instrument, and related methods |
US11452607B2 (en) | 2010-10-11 | 2022-09-27 | DePuy Synthes Products, Inc. | Expandable interspinous process spacer implant |
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CH640131A5 (en) | 1983-12-30 |
DE3023353C2 (de) | 1982-04-22 |
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