DE20112123U1 - Facet joint implant - Google Patents

Facet joint implant

Info

Publication number
DE20112123U1
DE20112123U1 DE20112123U DE20112123U DE20112123U1 DE 20112123 U1 DE20112123 U1 DE 20112123U1 DE 20112123 U DE20112123 U DE 20112123U DE 20112123 U DE20112123 U DE 20112123U DE 20112123 U1 DE20112123 U1 DE 20112123U1
Authority
DE
Germany
Prior art keywords
characterized
implant
implant according
according
preceding ansprü
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
DE20112123U
Other languages
German (de)
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 DE20112123U priority Critical patent/DE20112123U1/en
Priority to DE2001135771 priority patent/DE10135771B4/en
Publication of DE20112123U1 publication Critical patent/DE20112123U1/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers ; Bone 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
    • A61B17/7064Devices acting on, attached to, or simulating the effect of, vertebral facets; Tools therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4405Joints for the spine, e.g. vertebrae, spinal discs for apophyseal or facet joints, i.e. between adjacent spinous or transverse processes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/44Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/4455Joints 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/3011Cross-sections or two-dimensional shapes
    • A61F2002/30159Concave polygonal shapes
    • A61F2002/30172T-shaped
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/3011Cross-sections or two-dimensional shapes
    • A61F2002/30159Concave polygonal shapes
    • A61F2002/30179X-shaped
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The 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
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30576Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
    • A61F2002/30578Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs having apertures, e.g. for receiving fixation screws
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surfaces, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surfaces, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30772Apertures or holes, e.g. of circular cross section
    • A61F2002/30784Plurality of holes
    • A61F2002/30785Plurality of holes parallel
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028Shapes in the form of latin or greek characters
    • A61F2230/0052T-shaped
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028Shapes in the form of latin or greek characters
    • A61F2230/0058X-shaped

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text has not been detected electronically

Claims (32)

1. Facettengelenkimplantat zur Arthrodese eines ei nen Gelenkspalt und zwei Facetten umfassenden Fa cettengelenks, wobei die zwei Facetten jeweils eine der anderen zugewandte Facettenoberfläche aufweisen, mit mindestens einem Fixierelement, dadurch gekennzeichnet , daß das mindestens eine Fixierelement ( 130 ; 230 ; 330 ; 430 ; 530 ; 666 , 667 ; 785 ; 885 ) mindestens eine erste und eine zweite Oberfläche ( 144 , 145 ; 244 , 245 ; 344 , 345 ; 458 , 459 ; 558 , 559 ; 658 , 659 ; 758 , 759 ; 858 , 859 ) auf weist und daß die erste und die zweite Oberfläche ( 144 , 145 ; 244 , 245 ; 344 , 345 ; 458 , 459 ; 558 , 559 ; 658 , 659 ; 758 , 759 ; 858 , 859 ) mit mindestens einer Facette ( 116 , 118 ; 216 , 218 ; 316 , 318 ; 416 , 418 ; 516 , 518 ; 616 , 618 ; 716 , 718 ; 816 , 818 ) flä chig in Kontakt bringbar sind. 1. facet joint implant for arthrodesis of an egg NEN joint space and two facets comprehensive Fa cettengelenks, wherein each of the two facets have one of the other facing facet surface, characterized by at least one fixing element, in that the at least one fixing element (130; 230; 330; 430; 530; 666, 667; 785; 885) at least a first and a second surface (144, 145; 244, 245; 344, 345; 458, 459; 558, 559; 658, 659; 758, 759; 858, 859) on has and that the first and the second surface (144, 145; 244, 245; 344, 345; 458, 459; 558, 559; 658, 659; 758, 759; 858, 859) (having at least one facet 116, 118; 216, 218; 316, 318; 416, 418; 516, 518; 616, 618; 716, 718; 816, 818) sur fa chig in contact can be brought.
2. Implantat nach Anspruch 1, dadurch gekennzeich net, daß zwei Fixierelemente ( 530 , 566 , 567 ) vor gesehen sind und daß das eine ( 566 , 567 ) der zwei Fixierelemente ( 530 , 566 , 567 ) das andere Fixier element ( 530 ) in einer Querrichtung durchdringt. 2. The implant according to claim 1, characterized in that two fixing elements (530, 566, 567) are seen and in that one (566, 567) of the two fixing elements (530, 566, 567) and the other fixing element (530) penetrates in a transverse direction.
3. Implantat nach Anspruch 1 oder 2, dadurch gekenn zeichnet, daß das mindestens eine Fixierelement ( 130 ; 230 ; 330 ; 430 ; 530 ; 885 ) im wesentlichen parallel zu den Facettenoberflächen orientierte Oberflächen ( 144 , 145 ; 244 , 245 ; 344 , 345 ; 458 , 459 ; 558 , 559 ; 858 , 859 ) aufweist und zwischen die Facettenoberflächen einbringbar ist. 3. The implant according to claim 1 or 2, characterized in that the at least one fixing element (130; 230; 330; 430; 530; 885) substantially to the facet surfaces oriented parallel surfaces (144, 145; 244, 245; 344, 345; 458, 459; 558, 559; 858, 859) and can be inserted between the facet surfaces.
4. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das mindestens eine Fixierelement ( 666 , 667 ; 785 ; 885 ) an einer im wesentlichen U-förmigen Klammer ( 670 ; 770 ; 870 ) angeordnet ist und daß die Klammer ( 670 ; 770 ; 870 ) zwei Schenkel ( 672 , 673 ; 772 , 773 ; 872 , 873 ) und einen die zwei Schenkel ( 672 , 673 ; 772 , 773 ; 872 , 873 ) verbindenden Quersteg ( 674 ; 774 ; 874 ) umfaßt. 4. An implant according to one of the preceding Ansprü che, characterized in that the at least one fixing element (666, 667; 785; 885) on a substantially U-shaped bracket (670; 870; 770) is arranged and that the clip (670 ; 770; 870) has two legs (672, 673; 772, 773; 872, 873) and a the two legs (672, 673; 772, 773; 872, 873) connecting the transverse web (674; 774; 874) comprises.
5. Implantat nach Anspruch 4, dadurch gekennzeich net, daß das mindestens eine Fixierelement ( 785 ; 885 ) am Quersteg ( 774 ; 874 ) angeordnet ist. 5. The implant according to claim 4, characterized in that the at least one fixing element (785; 885) (774; 874) on the transverse web is arranged.
6. Implantat nach einem der Ansprüche 4 oder 5, da durch gekennzeichnet, daß das mindestens eine Fi xierelement ( 666 , 667 ) an mindestens einem der zwei Schenkel ( 672 , 673 ) angeordnet ist. 6. Implant according to one of claims 4 or 5, characterized by that, that at least one Fi xierelement (666, 667) on at least one of the two legs (672, 673) is arranged.
7. Implantat nach einem der Ansprüche 4 bis 6, da durch gekennzeichnet, daß das mindestens eine Fi xierelement ( 666 , 667 ; 785 ) im wesentlichen parallel zu einer von den Schenkeln ( 672 , 673 ; 772 , 773 ) und dem Quersteg ( 674 ; 774 ) definierten Ebe ne an der Klammer ( 670 ; 770 ) angeordnet ist. 7. The implant according to one of claims 4 to 6, as characterized by, that at least one Fi xierelement (666, 667; 785) substantially parallel to one of the legs (672, 673; 772, 773) and the transverse web (674 ; 774) defined Ebe ne (670 to the bracket; 770) is arranged.
8. Implantat nach einem der Ansprüche 4 bis 7, da durch gekennzeichnet, daß das mindestens eine Fi xierelement ( 885 ) im wesentlichen quer zu einer von den Schenkeln ( 872 , 873 ) und dem Quersteg ( 874 ) definierten Ebene an der Klammer ( 870 ) an geordnet ist. 8. The implant according to one of claims 4 to 7, as by in that the at least one Fi xierelement (885) defined substantially transverse to one of the legs (872, 873) and the transverse web (874) plane to the bracket (870 ) is ordered to.
9. Implantat nach einem der Ansprüche 4 bis 8, da durch gekennzeichnet, daß mindestens einer der beiden Schenkel ( 672 , 673 ; 772 , 773 ; 872 , 873 ) eine in einer Schenkeloberfläche angeordnete Ver tiefung ( 680 , 681 ; 780 , 781 ; 880 , 881 ) umfaßt. 9. The implant according to one of claims 4 to 8, as characterized by, that at least one of the two legs (672, 673; 772, 773; 872, 873) which is arranged in one limb surface Ver indentation (680, 681; 780, 781; 880, 881) comprises.
10. Implantat nach Anspruch 9, dadurch gekennzeich net, daß die Vertiefung eine in Längsrichtung von mindestens einem der beiden Schenkel ( 672 , 673 ; 772 , 773 ; 872 , 873 ) verlaufende Nut ( 680 , 681 ; 780 , 781 ; 880 , 881 ) umfaßt. 10. The implant according to claim 9, characterized in that the recess in the longitudinal direction of at least one of the two legs (672, 673; 772, 773; 872, 873) extending groove (680, 681; 780, 781; 880, 881 ) comprises.
11. Implantat nach einem der Ansprüche 4 bis 10, da durch gekennzeichnet, daß die beiden Schenkel ( 672 , 673 ; 772 , 773 ; 872 , 873 ) freie Enden ( 678 , 679 ; 778 , 779 ; 878 , 879 ) aufweisen und daß an den freien Enden ( 678 , 679 ; 778 , 779 ; 878 , 879 ) Schneiden vorgesehen sind. And in that 11. The implant according to one of claims 4 to 10, as characterized by, that the two legs (672, 673; 772, 773; 872, 873) free ends (878, 879 678, 679,; 778, 779) at the free ends (678, 679; 778, 779; 878, 879) cutting edges are provided.
12. Implantat nach einem der Ansprüche 4 bis 11, da durch gekennzeichnet, daß an mindestens einem der beiden Schenkel ( 672 , 673 ; 772 , 773 ; 872 , 873 ) in Richtung auf die Facetten ( 616 , 618 ; 716 , 718 ; 816 , 818 ) abstehende Verankerungselemente ( 676 , 677 ; 776 , 777 ; 876 , 877 ) vorgesehen sind. 12. The implant according to one of claims 4 to 11, as characterized by, that at least one of the two legs (672, 673; 772, 773; 872, 873) in the direction of the facets (616, 618; 716, 718; 816 , 818) projecting anchoring elements (676, 677; 776, 777; 876, 877) are provided.
13. Implantat nach einem der Ansprüche 4 bis 12, da durch gekennzeichnet, daß der Quersteg ( 674 ; 774 ; 874 ) und/oder mindestens einer der beiden Schen kel ( 672 , 673 ; 772 , 773 ; 872 , 873 ) einen im we sentlichen rechteckigen Querschnitt aufweisen. 13. The implant according to one of claims 4 to 12, as characterized by, that the transverse web (674; 774; 874) and / or at least one of the two's angle (672, 673; 772, 773; 872, 873) has a we sentlichen having rectangular cross section.
14. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das Implantat ( 600 ; 700 ; 800 ) eine Werkzeugaufnahme ( 682 , 683 ; 782 , 783 ; 882 , 883 ) zum Verbinden mit einem Ein setzwerkzeug umfaßt. 14. Implant according to one of the preceding Ansprü che, characterized in that the implant (600; 700; 800) a tool holder (682, 683; 782, 783; 882, 883) comprises setting tool for connecting to a one.
15. Implantat nach Anspruch 14 und einem der Ansprü che 4 bis 13, dadurch gekennzeichnet, daß die Werkzeugaufnahme ( 682 , 683 ; 782 , 783 ; 882 , 883 ) an der Klammer ( 670 ; 770 ; 870 ) angeordnet ist. 15. The implant of claim 14 and one of the Ansprü surface 4 to 13, characterized in that the tool holder (682, 683; 782, 783; 882, 883) to the bracket (670; 770; 870) is arranged.
16. Implantat nach einem der Ansprüche 14 oder 15, dadurch gekennzeichnet, daß die Werkzeugaufnahme mindestens einen vom Implantat ( 600 ; 700 ; 800 ) weg weisenden, abgewinkelten Vorsprung ( 682 , 683 ; 782 , 783 ; 882 , 883 ) umfaßt. 16. Implant according to one of claims 14 or 15, characterized in that the tool holder at least one of the implant (600; 800; 700) pointing away angled projection (682, 683; 782, 783; 882, 883) comprises.
17. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß die erste und die zweite mit mindestens einer Facette ( 416 , 418 ; 516 , 518 ; 816 , 818 ) in Kontakt stehende Oberfläche ( 458 , 459 ; 558 , 559 , 858 , 859 ) des mindestens einen Fixierelements ( 430 ; 530 ; 885 ) in Richtung auf die zugeordnete Facettenoberflä che konkav gekrümmt sind. 17. Implant according to one of the preceding Ansprü surface, characterized in that the first and the second having at least one facet (416, 418; 516, 518; 816, 818) in contact surface (458, 459; 558, 559, 858 are curved 885) toward the associated Facettenoberflä che concave;, 859) the at least one fixing member (430; 530th
18. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das mindestens eine Fixierelement ( 566 , 567 ; 666 , 667 ; 785 ) eine planparallele Platte umfaßt. 18 che implant according to any one of the preceding Ansprü, characterized in that the at least one fixing element (566, 567; 666, 667; 785) comprises a plane parallel plate.
19. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das mindestens eine Fixierelement ( 130 ; 230 ; 330 ) eine Keilform aufweist. 19. Implant according to one of the preceding Ansprü che, characterized in that the at least one fixing element (130; 230; 330) has a wedge shape.
20. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das mindestens eine Fixierelement ( 130 ; 230 ; 330 ) konisch oder mehrfach konisch ausgebildet ist. 20, implant surface according to any one of the preceding Ansprü, characterized in that the at least one fixing element (130; 230; 330) is conical or multiply conical.
21. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das mindestens eine Fixierelement ( 130 ; 230 ; 430 ; 530 ; 885 ) eine an mindestens eine der beiden Facetten ( 118 ; 218 ; 416 , 418 ; 516 , 518 ; 816 , 818 ) angepaßte Krümmung aufweist. Che 21. Implant according to one of the preceding Ansprü, characterized in that the at least one fixing element (130; 230; 430; 530; 885) comprises a (at least one of the two facets 118; 218; 416, 418; 516, 518; 816 , 818) having matched curvature.
22. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß an dem Implantat ( 300 ; 500 ; 600 ; 700 ; 800 ) in Richtung auf die Fa cetten abstehende Verankerungselemente ( 352 , 353 ; 566 , 567 ; 672 , 673 ; 772 , 773 ; 872 , 873 ) vorgese hen sind. 22 implant surface according to any one of the preceding Ansprü, characterized in that on the implant cetten in the direction of the Fa projecting anchoring elements (352, 353 (300; 800,500; 600;; 700); 566, 567; 672, 673; 772 872, 873) vorgese hen;, 773rd
23. Implantat nach Anspruch 22, dadurch gekennzeich net, daß die Verankerungselemente in Form von Schneiden ( 672 , 673 ; 772 , 773 ; 872 , 873 ), Zähnen ( 352 , 353 ) oder Rippen ( 566 , 567 ) ausgebildet sind. 23. An implant according to claim 22, characterized in that the anchoring elements in the form of cutting gekennzeich net (672, 673; 772, 773; 872, 873), teeth (352, 353) or ribs (566, 567) are formed.
24. Implantat nach Anspruch 23, dadurch gekennzeich net, daß das mindestens eine Fixierelement ( 130 ; 530 ) zwei im wesentlichen quer zu einer von dem mindestens einen Fixierelement ( 130 ; 530 ) defi nierten Ebene seitlich abstehende Rippen ( 140 , 141 ; 566 , 567 ) trägt. 24. The implant of claim 23, characterized in that the at least one fixing element (130; 530) has two substantially transverse to one of the at least one fixing element (130; 530) defi ned plane laterally projecting ribs (140, 141; 566, 567) bears.
25. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das mindestens eine Fixierelement ( 130 ; 230 ; 430 ) mit Durchbre chungen ( 132 ; 232 , 233 ; 464 ) versehen ist. 25, implant surface according to any one of the preceding Ansprü, characterized in that the at least one fixing element (130; 230; 430) with deviations Durchbre (132; 232, 233; 464) is provided.
26. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß an dem Implantat ( 100 ; 200 ; 400 ) mindestens eine Befestigungsele mentaufnahme ( 132 ; 232 , 233 ; 464 ) vorgesehen ist. 26 che implant according to any one of the preceding Ansprü, characterized in that on the implant (100; 200; 400) at least one Befestigungsele element receptacle (132; 232, 233; 464) is provided.
27. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß am Implantat ( 100 ; 200 ; 300 ; 500 ; 600 ; 700 ; 800 ) mindestens ein Stabilisierungsanschlag ( 140 , 141 ; 250 ; 350 ; 566 , 567 ; 674 ; 774 ; 874 ) zum Stabilisieren des Fixierelements ( 130 ; 230 ; 330 ; 530 ; 666 , 667 ; 785 ; 885 ) im Gelenkspalt vorgesehen ist. 27. Implant according to one of the preceding Ansprü che, characterized in that the implant (100; 200; 300; 500; 600; 700; 800) at least one stabilizing stop (140, 141; 250; 350; 566, 567; 674; 774 ; 874) for stabilizing the fixing member (130; 230; 330; 530; 666, 667; 785; 885) is provided in the joint gap.
28. Implantat nach Anspruch 27, dadurch gekennzeich net, daß der Stabilisierungsanschlag zwei an Stirnflächen ( 136 , 137 ) des Fixierelements ( 130 ) angeordnete, in dieselbe Richtung abstehende Vor sprünge ( 140 , 141 ) umfaßt. 28. The implant of claim 27, characterized in that the stabilizing abutment is arranged at two end faces (136, 137) of the fixing element (130) comprises projecting in the same direction before cracks (140, 141).
29. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das Implantat ( 100 ; 200 ; 300 ; 400 ; 500 ; 600 ; 700 ; 800 ) einstüc kig geformt ist. 29 che implant according to any one of the preceding Ansprü, characterized in that the implant (100; 800,200; 300; 400; 500; 600;; 700) is formed einstüc KIG.
30. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das Implantat ( 100 ; 200 ; 300 ; 400 ; 500 ; 600 ; 700 ; 800 ) eine mit einer Mikrostrukturierung und/oder einer bioakti ven Beschichtung versehene Oberfläche aufweist. 30. Implant according to one of the preceding Ansprü che, characterized in that the implant (100; 200; 300; 400; 500; 600; 700; 800) has a provided with a microstructure and / or a bioakti ven coating surface.
31. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das Implantat ( 100 ; 200 ; 300 ; 400 ; 500 ; 600 ; 700 ; 800 ) aus ei nem röntgentransparenten Material hergestellt ist. 31. Implant according to one of the preceding Ansprü che, characterized in that the implant (100; 200; 300; 400; 500; 600; 700; 800) is made of egg nem X-ray transparent material.
32. Implantat nach einem der voranstehenden Ansprü che, dadurch gekennzeichnet, daß das Implantat ( 100 ; 200 ; 300 ; 400 ; 500 ; 600 ; 700 ; 800 ) aus TiAl6V4 oder NiTiNol hergestellt ist. 32. che implant according to any one of the preceding Ansprü, characterized in that the implant (100; 200; 300; 400; 500; 600; 700; 800) is made of TiAl6V4 or nitinol.
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