DE20104863U1 - Zwischenwirbelimplantat - Google Patents

Zwischenwirbelimplantat

Info

Publication number
DE20104863U1
DE20104863U1 DE20104863U DE20104863U DE20104863U1 DE 20104863 U1 DE20104863 U1 DE 20104863U1 DE 20104863 U DE20104863 U DE 20104863U DE 20104863 U DE20104863 U DE 20104863U DE 20104863 U1 DE20104863 U1 DE 20104863U1
Authority
DE
Germany
Prior art keywords
arms
implant according
spacer element
section
implant
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.)
Expired - Lifetime
Application number
DE20104863U
Other languages
English (en)
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.)
Aesculap AG
Original Assignee
Aesculap AG
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 filed Critical Aesculap AG
Priority to DE20104863U priority Critical patent/DE20104863U1/de
Priority to DE10113689A priority patent/DE10113689C1/de
Publication of DE20104863U1 publication Critical patent/DE20104863U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
    • A61F2/446—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages having a circular or elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
    • A—HUMAN NECESSITIES
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    • 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
    • A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
    • A61F2/447—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
    • A—HUMAN NECESSITIES
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    • 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
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    • 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
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    • 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
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
    • A—HUMAN NECESSITIES
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    • A61F2/02—Prostheses implantable into the body
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    • A61F2/02—Prostheses implantable into the body
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    • A61F2002/30108—Shapes
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    • 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
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    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
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    • A61F2002/30154—Convex polygonal shapes square
    • A—HUMAN NECESSITIES
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    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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    • A61F2002/30199—Three-dimensional shapes
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
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    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
    • A61F2002/30538—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
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    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
    • A61F2002/30556—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting thickness
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
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    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
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    • A61F2/02—Prostheses implantable into the body
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    • 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
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    • A61F2/02—Prostheses implantable into the body
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    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
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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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017—Angular shapes
    • A61F2230/0021—Angular shapes square
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0082—Three-dimensional shapes parallelepipedal
    • 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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
    • A61F2250/0006—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting angular orientation
    • 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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
    • A61F2250/0009—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting thickness

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt
Der Beschreibungstext wurde nicht elektronisch erfaßt

Claims (26)

1. Zwischenwirbelimplantat mit zwei im wesentlichen parallel zueinander verlaufenden Armen, die an ihren Außenseiten Stützflächen für benachbarte Wirbelkörper ausbilden, mit einer die Arme an einem Ende der Arme miteinander verbindenden Brücke und mit einem am anderen Ende zwischen die Arme eingreifenden und diese entsprechend seiner Positionierung zwischen den Armen mehr oder weni­ ger aufspreizenden Distanzelement, dadurch ge­ kennzeichnet, daß das Distanzelement (17) ein Exzenter ist, der um eine parallel zu den Armen (10, 11) verlaufende Drehachse verdrehbar zwi­ schen den Armen (10, 11) derart angeordnet ist, daß seine exzentrische Außenfläche (18) sich an der Innenseite der Arme (10, 11) an diese anlegt und je nach Winkelstellung des Distanzelementes (17) die Arme (10, 11) mehr oder weniger auf­ spreizt.
2. Implantat nach Anspruch 1, dadurch gekennzeich­ net, daß das Distanzelement (17) einen Quer­ schnitt einer Ellipse oder eines in einer Rich­ tung zusammengedrückten Kreises aufweist.
3. Implantat nach Anspruch 1 oder 2, dadurch gekenn­ zeichnet, daß das Distanzelement (17) zwischen den Armen (10, 11) nur durch seine Anlage an den Innenseiten der Arme (10, 11) drehgeführt ist.
4. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß das Distanzele­ ment (17) in Längsrichtung der Arme (10, 11) ver­ schiebbar ist.
5. Implantat nach Anspruch 4, dadurch gekennzeich­ net, daß das Distanzelement (17) einen Anschlag (19) aufweist, der die Eintauchtiefe des Distanz­ elementes (17) zwischen die Arme (10, 11) be­ grenzt.
6. Implantat nach Anspruch 5, dadurch gekennzeich­ net, daß der Anschlag (19) die Form eines an einem Ende des Distanzelementes (17) seitlich überstehenden Flansches aufweist.
7. Implantat nach Anspruch 6, dadurch gekennzeich­ net, daß der Flansch Kreisform hat.
8. Implantat nach einem der Ansprüche 1 bis 3, da­ durch gekennzeichnet, daß das Distanzelement (17) in Längsrichtung der Arme (10, 11) durch ineinan­ dergreifende Vor- und Rücksprünge an dem Distanz­ element (17) einerseits und an den Armen (10, 11) andererseits festgelegt ist.
9. Implantat nach Anspruch 8, dadurch gekennzeich­ net, daß die Arme (10, 11) einen Rücksprung in Form einer nutförmigen Aufnahmevertiefung (24) aufweisen, in die das Distanzelement (17) mit ei­ nem seiner Außenfläche benachbarten Randbereich eintaucht.
10. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß die Außenfläche (18) des Distanzelementes (17) glatt ist.
11. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß das Distanzele­ ment (17) eine unrunde Öffnung oder Ausnehmung (20) zur Aufnahme eines Drehwerkzeuges (21) auf­ weist.
12. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß sich das Di­ stanzelement (17) in Längsrichtung der Arme (10, 11) nur über einen kleinen Teil der Armlänge er­ streckt.
13. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß die Arme (10, 11) eine konkave Anlagefläche (13) an ihrer Innenseite aufweisen, die sich an dem Distanz­ element (17) abstützt.
14. Implantat nach Anspruch 13, dadurch gekennzeich­ net, daß die Anlagefläche (13) einen vertieften Mittelbereich (15) aufweist.
15. Implantat nach Anspruch 14, dadurch gekennzeich­ net, daß der vertiefte Mittelbereich (15) durch Stufen (16) begrenzt ist.
16. Implantat nach einem der Ansprüche 13 bis 15, da­ durch gekennzeichnet, daß die Anlagefläche (13) am Ende der Verlängerungen (9) angeordnet ist, die sich von den Armen (10, 11) nach innen in Richtung zu dem jeweils anderen Arm (11, 10) er­ strecken.
17. Implantat nach Anspruch 16, dadurch gekennzeich­ net, daß die Verlängerungen (9) am freien Ende der beiden Arme (10, 11) angeordnet sind.
18. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß die Arme (10, 11) in Längsrichtung sich erstreckende Durchbrü­ che (12) aufweisen.
19. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß seitlich zwi­ schen den Armen (10, 11) Öffnungen angeordnet sind, die in den Zwischenraum zwischen den Armen (10, 11) führen.
20. Implantat nach Anspruch 18 oder 19, dadurch ge­ kennzeichnet, daß die Arme (10, 11) jeweils zwei parallel zueinander verlaufende Stege (5) umfas­ sen, die zwischen sich einen Durchbruch (12) aus­ bilden.
21. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß es insgesamt einen kreisförmigen Querschnitt aufweist.
22. Implantat nach einem der Ansprüche 1 bis 20, da­ durch gekennzeichnet, daß es einen viereckigen Querschnitt aufweist.
23. Implantat nach einem der Ansprüche 1 bis 20, da­ durch gekennzeichnet, daß es an einem Ende einen viereckigen Querschnitt aufweist und am anderen Ende einen kreisförmigen Querschnitt.
24. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß in der Brücke (6) eine Öffnung (7) angeordnet ist.
25. Implantat nach Anspruch 24, dadurch gekennzeich­ net, daß in die Öffnung (7) ein Verschlußstopfen einsetzbar ist.
26. Implantat nach einem der voranstehenden Ansprü­ che, dadurch gekennzeichnet, daß die Arme (10, 11) an ihrer Außenseite Vorsprünge (23) tragen, die sich in die benachbarten Wirbelkörper (3, 4) eingraben.
DE20104863U 2001-03-21 2001-03-21 Zwischenwirbelimplantat Expired - Lifetime DE20104863U1 (de)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1382315A1 (de) * 2002-07-16 2004-01-21 Aesculap AG & Co. KG Zwischenwirbelimplantat
US8574300B2 (en) 2008-03-07 2013-11-05 DePuy Synthes Products, LLC Expandable interbody spacer device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7018415B1 (en) * 2002-09-23 2006-03-28 Sdgi Holdings, Inc. Expandable spinal fusion device and methods of promoting spinal fusion
DE10307758B4 (de) * 2003-02-19 2005-02-03 Ohst Medizintechnik Ag Wirbelimplantat
DE102005033608A1 (de) * 2005-07-14 2007-01-25 Medicon Eg, Chirurgiemechaniker-Genossenschaft Lumbales spreizbares Implantat
DE102006059209B4 (de) * 2006-12-13 2011-05-05 Medicon Eg, Chirurgiemechaniker-Genossenschaft Implantat für die Wirbelsäule
DE102012023042B3 (de) * 2012-11-26 2013-11-28 Spontech Spine Intelligence Group Ag Expandierbarer Cage zur interkorporellen Fusion von Lendenwirbeln
EP2928417A2 (de) 2012-12-06 2015-10-14 Bal, Kamil Intervertebrales expandierbares cage-system und instrument dafür
DE102017008592A1 (de) * 2017-09-13 2019-03-14 Joimax Gmbh Zwischenwirbel-lmplantat

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715293B1 (fr) * 1994-01-26 1996-03-22 Biomat Cage intersomatique vertébrale.
DE9407806U1 (de) * 1994-05-11 1994-07-14 Aesculap Ag Zwischenwirbel-Implantat
FR2719763B1 (fr) * 1994-05-11 1996-09-27 Jean Taylor Implant vertébral.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1382315A1 (de) * 2002-07-16 2004-01-21 Aesculap AG & Co. KG Zwischenwirbelimplantat
US8574300B2 (en) 2008-03-07 2013-11-05 DePuy Synthes Products, LLC Expandable interbody spacer device
US9149364B2 (en) 2008-03-07 2015-10-06 DePuy Synthes Products, Inc. Expandable interbody spacer device
US9844445B2 (en) 2008-03-07 2017-12-19 DePuy Synthes Products, Inc. Expandable interbody spacer device

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