DE20121560U1 - Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zum Betätigen des Implantats - Google Patents

Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zum Betätigen des Implantats

Info

Publication number
DE20121560U1
DE20121560U1 DE20121560U DE20121560U DE20121560U1 DE 20121560 U1 DE20121560 U1 DE 20121560U1 DE 20121560 U DE20121560 U DE 20121560U DE 20121560 U DE20121560 U DE 20121560U DE 20121560 U1 DE20121560 U1 DE 20121560U1
Authority
DE
Germany
Prior art keywords
implant
implant part
thread
ring
threaded
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
DE20121560U
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.)
Ulrich GmbH and Co KG
Original Assignee
Ulrich GmbH and 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7669147&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE20121560(U1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ulrich GmbH and Co KG filed Critical Ulrich GmbH and Co KG
Priority to DE20121560U priority Critical patent/DE20121560U1/de
Publication of DE20121560U1 publication Critical patent/DE20121560U1/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
    • A61F2/46—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
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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
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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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    • A61F2/4603—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
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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
    • A61F2/28—Bones
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    • 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
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    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30331—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
    • A61F2002/30362—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit with possibility of relative movement between the protrusion and the recess
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    • A61F2002/3037—Translation along the common longitudinal axis, e.g. piston
    • A61F2002/30372—Translation along the common longitudinal axis, e.g. piston with additional means for limiting said translation
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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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    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
    • A61F2002/3039—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove with possibility of relative movement of the rib within the groove
    • A61F2002/30397—Limited lateral translation of the rib within a larger groove
    • 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
    • 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
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30405—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by screwing complementary threads machined on the parts themselves
    • 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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    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30492—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking pin
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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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    • A61F2002/30316—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
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30495—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking ring
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    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
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    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30518—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts
    • A61F2002/30523—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts by means of meshing gear teeth
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    • 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
    • A61F2002/3055—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting length
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    • A61F2002/30574—Special structural features of bone or joint prostheses not otherwise provided for with an integral complete or partial collar or flange
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    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/30774—Apertures or holes, e.g. of circular cross section internally-threaded
    • 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
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/30777—Oblong apertures
    • 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
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/30784—Plurality of holes
    • A61F2002/30785—Plurality of holes parallel
    • 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
    • A61F2/46—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
    • A61F2002/4625—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 with relative movement between parts of the instrument during use
    • A61F2002/4627—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 with relative movement between parts of the instrument during use with linear motion along or rotating motion about the instrument axis or the implantation direction, e.g. telescopic, along a guiding rod, screwing inside the instrument
    • 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
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2002/4631—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
    • 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
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2002/4632—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor using computer-controlled surgery, e.g. robotic surgery
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit

Description

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Der Beschreibungstext wurde nicht elektronisch erfaßt
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Claims (32)

1. Implantat zum Einsetzer zwischen Wirbelkörper der Wirbelsäule als Platzhalter für aus der Wirbelsäule entfernte Wirbel oder Wirbelteile, mit einem eine erste Kontaktfläche zur Anlage an einen benachbarten Wirbelkörper umfassenden ersten Implantatteil (2) und mit einem eine zweite Kontaktfläche zur Anlage an einen benachbarten Wirbelkörper umfassenden zweiten Implantatteil (3), wobei das erste Implantatteil (2) ein Ringgewinde (5) und das zweite Implantatteil (3) ein zum Ringgewinde (5) korrespondierendes Gewinde (6) zum Relativbewegen des ersten Implantatteils (2) und des zweiten Implantatteils (3) in einer Distraktionsrichtung umfaßt, wobei das Ringgewinde (5) am ersten Implantatteil (2) um eine zur Distraktionsrichtung parallele Distraktionsdrehachse rotierbar gelagert ist und wobei das Gewinde (6) drehfest am zweiten Implantatteil (3) angeordnet ist, dadurch gekennzeichnet, daß eine Getriebeeinheit (4, 7, 19, 21) vorgesehen ist zum Antreiben einer Rotation des Ringgewindes (5).
2. Implantat nach Anspruch 1, dadurch gekennzeichnet, daß die Getriebeeinheit (4, 7, 19, 21) ein am ersten Implantatteil (2) rotierbar gelagertes erstes Antriebselement (20) und einen mit dem Ringgewinde (5) drehfest verbundenen, um die Distraktionsdrehachse rotierbar gelagerten, direkt oder indirekt von dem ersten Antriebselement (20) angetriebenen Gewindering (4) umfaßt.
3. Implantat nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Getriebeeinheit (4, 7, 19, 21) ein Winkelgetriebe (7, 21) umfaßt und daß die Antriebsachse und die Distraktionsdrehachse einen von 0° oder 180° abweichenden Winkel einschließen.
4. Implantat nach Anspruch 3, dadurch gekennzeichnet, daß der eingeschlossene Winkel einen Wert von 90° aufweist.
5. Implantat nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß das erste Antriebselement ein Ritzel (20) und daß der Gewindering (4) eine an das Ritzel (20) angepaßte Kegelradverzahnung (7) umfaßt.
6. Implantat nach Anspruch 5, dadurch gekennzeichnet, daß an dem Ritzel (20) eine Kegelradverzahnung (21) ausgebildet ist.
7. Implantat nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß das Ritzel (20) an dem freien Ende einer Welle (19) angeordnet ist.
8. Implantat nach Anspruch 7, dadurch gekennzeichnet, daß die Welle (19) über ein Rändelrad (30) mit einer Vierkantaufnahme antreibbar ist.
9. Implantat nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß ein Spindelantrieb mit einer Gewindespindel (4) und mit einer Gewindehülse (3) vorgesehen ist und daß die Gewindespindel (4) das Ringgewinde (5) in Form eines Innengewindes und daß die Gewindehülse (3) das Gewinde (6) in Form eines Außengewindes umfaßt.
10. Implantat nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß mindestens ein Sicherungselement (12, 23, 26, 28, 29) zum Fixieren einer Relativposition zwischen dem ersten Implantatteil (2) und dem zweiten Implantatteil (3) vorgesehen ist.
11. Implantat nach Anspruch 10, dadurch gekennzeichnet, daß das mindestens eine Sicherungselement durch ein Stabgewinde (23) zum Sichern des Gewindes (6) und des Ringgewindes (5) gebildet ist.
12. Implantat nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß am ersten Implantatteil (2) mindestens ein Stift (9) und am zweiten Implantatteil (3) mindestens ein korrespondierender Führungsschlitz (8) vorgesehen sind, die eine Bewegung des zweiten Implantatteils (3) relativ zum ersten Implantatteil (2) in Distraktionsrichtung führen.
13. Implantat zum Einsetzen zwischen Wirbelkörper der Wirbelsäule als Platzhalter für aus der Wirbelsäule entfernte Wirbel oder Wirbelteile, mit einem ersten Implantatteil (2) und einem zweiten Implantatteil (3), die in Richtung ihrer koaxialen Längsachse zur Längenänderung des Implantats (1) gegeneinander verstellbar sind, insbesondere nach Anspruch 1, dadurch gekennzeichnet, daß dem ersten Implantatteil (2) ein drehbarer Gewindering (4) zugeordnet ist, der mit einem Ringgewinde (5) in ein dem zweiten Implantatteil (3) zugeordnetes Gewinde (6) eingreift, und daß der Gewindering (4) mit einer Kegelradverzahnung (7) versehen ist.
14. Implantat nach Anspruch 13, dadurch gekennzeichnet, daß das erste Implantatteil (2) und das zweite Implantatteil (3) als rohrförmige Hülsen gestaltet sind, und daß das erste Implantatteil (2) mit dem Gewindering (4) das zweite Implantatteil (3) außenseitig umfaßt.
15. Implantat nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß im zweiten Implantatteil (3) mindestens ein Führungsschlitz (8) zur Aufnahme eines dem ersten Implanttatteil (2) zugeordneten Stiftes (9) ausgebildet ist.
16. Implantat nach Anspruch 15, dadurch gekennzeichnet, daß der Führungsschlitz (8) und der Stift (9) zweifach in diametraler Anordnung vorgesehen sind.
17. Implantat nach einem der Ansprüche 14 bis 16, dadurch gekennzeichnet, daß in der Wandung des hülsenförmigen ersten Implantatteils (2) mindestens ein Durchbruch (10) vorhanden ist, der den dem Gewindering (4) zugeordneten Rand (11) schneidet.
18. Implantat nach Anspruch 17, dadurch gekennzeichnet, daß fluchtend mit dem Durchbruch (10) im zweiter Implantatteil (3) zwei Langlöcher (13) vorhanden sind.
19. Implantat nach Anspruch 18, dadurch gekennzeichnet, daß gegenüberliegend zum Durchbruch (10) in der Wandung des ersten Implantatteils (2) eine Gewindebohrung (12) ausgebildet ist.
20. Implantat nach einem der Ansprüche 13 bis 19, dadurch gekennzeichnet, daß am zweiten Implantatteil (3) an dem dem ersten Implantatteil (2) abgewandten Ende ein Kranz (14) ausgebildet ist.
21. Implantat nach Anspruch 20, dadurch gekennzeichnet, daß der Kranz (14) mit Abstand vom freien Ende des zweiten Implantatteils (3) angeordnet ist.
22. Implantat nach Anspruch 20 oder 21, dadurch gekennzeichnet, daß in dem Kranz (14) parallel zur Längsachse des Implantats (1) verlaufende Löcher (15) ausgebildet sind.
23. Implantat nach einem der Ansprüche 13 bis 22, dadurch gekennzeichnet, daß der Gewindering (4) am Innenumfang einen Ringbund (16) aufweist.
24. Implantat nach einem der Ansprüche 13 bis 23, dadurch gekennzeichnet, daß das erste Implantatteil (2) eine in der rohrförmigen Hülse ausgebildete, senkrecht zur Längsachse des Implantats (1) verlaufende Quernut (17) aufweist.
25. Implantat nach Anspruch 24, dadurch gekennzeichnet, daß Quernut (17) parallel zur Verbindungsachse des Durchbruchs (10) und der Gewindebohrung (12) liegt.
26. Implantat nach Anspruch 25, dadurch gekennzeichnet, daß die Quernut (17) beidseits der Verbindungsachse in der rohrförmigen Hülse des ersten Implantatteils (2) ausgebildet ist.
27. Operationsinstrument zur Distraktion eines über eine Gewindeverbindung längenverstellbaren, eine Kegelradverzahnung (7) aufweisenden Implantats (1) zum Einsetzen zwischen Wirbelkörper der Wirbelsäule als Platzhalter für aus der Wirbelsäule entfernte Wirbel oder Wirbelteile, nach einem der Ansprüche 1 bis 26, dadurch gekennzeichnet, daß an dem freien Ende einer Welle (19) ein zur Wellenachse koaxiales Ritzel (20) mit einer Kegelradverzahnung (21) angeordnet ist.
28. Operationsinstrument nach Anspruch 27, dadurch gekennzeichnet, daß die Welle (19) drehbar in einem Handgriff (24) gelagert und zum Antrieb mit einem Rändelrad (30) an dem dem Ritzel (20) abgewandten Ende versehen ist.
29. Operationsinstrument nach Anspruch 27 oder 28, dadurch gekennzeichnet, daß die Welle (19) als Hohlwelle gestaltet ist, in der ein gegenüber der Hohlwelle verdrehbarer Stab (22) gelagert ist, der das Ritzel (20) mit seinem freien Ende durchgreift und an dem ein zu der Gewindebohrung (12) korrespondierendes Stabgewinde (23) ausgebildet ist.
30. Operationsinstrument Anspruch 28 oder 29, dadurch gekennzeichnet, daß die Welle (19) in einer an dem Handgriff (24) befestigten Hülse (25) angeordnet ist, die an dem dem Ritzel (20) zugeordneter. Ende eine Gabel (26) mit eine Sicherung der gegenseitigen axialen Lage des Gewinderinges (4) und des ersten Implantatteils (2) bewirkenden Gabelfingern (27) aufweist.
31. Operationsinstrument nach Anspruch 30, dadurch gekennzeichnet, daß die Gabel (26) insgesamt vier das Implantat (1) haltende Gabelfinger (27) aufweist, von denen zwei zu einem ersten Gabelpaar (28) zusammengefaßt und zur Anlage auf den Gewindering (4) und zwei zu einem zweiten Gabelpaar (29) zusammengefaßt und zum Einführen in die Quernuten (17) vorgesehen sind.
32. Operationsinstrument nach einem der Ansprüche 27 bis 31, dadurch gekennzeichnet, daß die Welle (19) mit dem Rändelrad (30), der Stab (22) und der Handgriff (24) mit der Hülse (25) zerlegbar montiert sind.
DE20121560U 2000-12-27 2001-11-14 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zum Betätigen des Implantats Expired - Lifetime DE20121560U1 (de)

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DE10065232A DE10065232C2 (de) 2000-12-27 2000-12-27 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zur Handhabung des Implantats
EP01126995A EP1219266B2 (de) 2000-12-27 2001-11-14 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zur Handhabung des Implantats
DE20121560U DE20121560U1 (de) 2000-12-27 2001-11-14 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zum Betätigen des Implantats

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DE10065232A Expired - Lifetime DE10065232C2 (de) 2000-12-27 2000-12-27 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zur Handhabung des Implantats
DE20122641U Expired - Lifetime DE20122641U1 (de) 2000-12-27 2001-11-14 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zum Betätigen des Implantats
DE50111089T Expired - Lifetime DE50111089D1 (de) 2000-12-27 2001-11-14 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zur Handhabung des Implantats
DE20121560U Expired - Lifetime DE20121560U1 (de) 2000-12-27 2001-11-14 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zum Betätigen des Implantats
DE20121355U Expired - Lifetime DE20121355U1 (de) 2000-12-27 2001-11-14 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zur Handhabung des Implantats

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DE20122641U Expired - Lifetime DE20122641U1 (de) 2000-12-27 2001-11-14 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zum Betätigen des Implantats
DE50111089T Expired - Lifetime DE50111089D1 (de) 2000-12-27 2001-11-14 Implantat zum Einsetzen zwischen Wirbelkörper sowie Operationsinstrument zur Handhabung des Implantats

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US (1) US6752832B2 (de)
EP (2) EP1721583B1 (de)
JP (1) JP4060589B2 (de)
AT (1) ATE340543T1 (de)
DE (5) DE10065232C2 (de)
DK (2) DK1219266T3 (de)
ES (2) ES2267652T5 (de)
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