DE20302179U1 - Joint element and implant - Google Patents

Joint element and implant

Info

Publication number
DE20302179U1
DE20302179U1 DE20302179U DE20302179U DE20302179U1 DE 20302179 U1 DE20302179 U1 DE 20302179U1 DE 20302179 U DE20302179 U DE 20302179U DE 20302179 U DE20302179 U DE 20302179U DE 20302179 U1 DE20302179 U1 DE 20302179U1
Authority
DE
Germany
Prior art keywords
joint element
element according
bearing surface
edge
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
DE20302179U
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 DE20302179U priority Critical patent/DE20302179U1/en
Priority to DE10305795A priority patent/DE10305795A1/en
Publication of DE20302179U1 publication Critical patent/DE20302179U1/en
Priority to PCT/EP2004/000941 priority patent/WO2004069089A2/en
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
    • A61F2/38—Joints for elbows or knees
    • A61F2/3868—Joints for elbows or knees with sliding tibial bearing
    • 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
    • A61F2/38—Joints for elbows or knees
    • A61F2/3859—Femoral components
    • 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
    • A61F2/38—Joints for elbows or knees
    • A61F2/389—Tibial components
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30112—Rounded shapes, e.g. with rounded corners
    • A61F2002/30131—Rounded shapes, e.g. with rounded corners horseshoe- or crescent- or C-shaped or U-shaped
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30138—Convex polygonal shapes
    • A61F2002/30153—Convex polygonal shapes rectangular
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30159—Concave polygonal shapes
    • A61F2002/30168—L-shaped
    • 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
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/30199—Three-dimensional shapes
    • A61F2002/30242—Three-dimensional shapes spherical
    • A61F2002/30245—Partial spheres
    • 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
    • A61F2002/30884—Fins or wings, e.g. longitudinal wings for preventing rotation within the bone cavity
    • 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
    • A61F2/38—Joints for elbows or knees
    • A61F2002/3895—Joints for elbows or knees unicompartimental
    • 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
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0013—Horseshoe-shaped, e.g. crescent-shaped, C-shaped, U-shaped
    • 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
    • A61F2230/0019—Angular shapes rectangular
    • 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
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/0043—L-shaped
    • 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
    • A61F2230/0071—Three-dimensional shapes spherical

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (17)

1. Gelenkelement eines Implantats zum Ersetzen mindestens eines Teils eines von mindestens einem ersten und einem zweiten Knochenende gebildeten Gelenks, wobei das Implantat ein erstes, an dem ersten Kno­ chenende anordenbares Implantatelement, ein zweites, an dem zweiten Knochenende anordenbares Implantatelement und das Gelenk­ element umfaßt, wobei das Gelenkelement eine erste, an dem ersten Implantatelement anliegende Lagerfläche, eine zweite, an dem zweiten Implantatelement anliegende Lagerfläche und eine Kontaktfläche umfaßt, die sich zwischen einem zwischen der ersten Lagerfläche und der Kon­ taktfläche gebildeten ersten Randbereich und zwischen einem zwischen der zweiten Lagerfläche und der Kontaktfläche gebildeten zweiten Rand­ bereich erstreckt und mit das Gelenkelement umgebendem Gewebe in Kontakt treten kann, dadurch gekennzeichnet, daß die Kontaktfläche (66) zwischen dem ersten und dem zweiten Randbereich (62, 64) mindestens einen Kontaktflächenbereich (70, 72) aufweist, der vom Gelenkelement (16) weg weisend allseitig konvex gekrümmt ist.1. joint element of an implant for replacing at least part of a joint formed by at least a first and a second bone end, the implant comprising a first implant element that can be arranged on the first bone end, a second implant element that can be arranged on the second bone end and the joint element , wherein the hinge element comprises a first bearing surface lying on the first implant element, a second bearing surface lying on the second implant element and a contact surface which is formed between a first edge region formed between the first bearing surface and the contact surface and between a between the second bearing surface and the contact area formed second edge area and can come into contact with the tissue surrounding the joint element, characterized in that the contact area ( 66 ) between the first and the second edge area ( 62 , 64 ) at least one contact area area ( 70 , 72 ) which is convexly curved on all sides pointing away from the joint element ( 16 ). 2. Gelenkelement nach Anspruch 1, dadurch gekennzeichnet, daß die Kon­ taktfläche (66) zwei konvex gekrümmte Kontaktflächenbereiche (70, 72) aufweist, insbesondere zwei, vorzugsweise in entgegengesetzte Richtun­ gen weisende. 2. Joint element according to claim 1, characterized in that the con tact surface ( 66 ) has two convexly curved contact surface areas ( 70 , 72 ), in particular two, preferably pointing in opposite directions. 3. Gelenkelement nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Kontaktfläche (66) mindestens einen ebenen Flächenbereich (74, 76) aufweist, insbesondere zwei, vorzugsweise in entgegengesetzte Richtun­ gen weisende.3. Joint element according to claim 1 or 2, characterized in that the contact surface ( 66 ) has at least one flat surface region ( 74 , 76 ), in particular two, preferably pointing in opposite directions. 4. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß die Kontaktfläche (66) kantenfrei ist.4. Joint element according to one of the preceding claims, characterized in that the contact surface ( 66 ) is edge-free. 5. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß eine senkrechte Projektion mindestens einer im we­ sentlichen quer zur Kontaktfläche (66) verlaufenden Schnittebene die vom ersten Randbereich (62) eingeschlossene Fläche vollständig über­ deckt und daß die senkrechte Projektion der Schnittebene die vom zwei­ ten Randbereich (66) eingeschlossene Fläche vollständig überdeckt.5. Hinge element according to one of the preceding claims, characterized in that a vertical projection of at least one we substantially transversely to the contact surface ( 66 ) extending cutting plane completely covers the area enclosed by the first edge region ( 62 ) and that the vertical projection of the cutting plane from two th edge area ( 66 ) enclosed area completely covered. 6. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß eine Tangentialebene an die Kontaktfläche (66) im Übergangsbereich (62) zur ersten Lagerfläche (56) mit der ersten Lager­ fläche (56) einen Winkel einschließt, der größer als 90°, insbesondere größer als 110° ist.6. Joint element according to one of the preceding claims, characterized in that a tangential plane to the contact surface ( 66 ) in the transition region ( 62 ) to the first bearing surface ( 56 ) with the first bearing surface ( 56 ) includes an angle which is greater than 90 °, is in particular greater than 110 °. 7. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß eine Tangentialebene an die Kontaktfläche (66) im Übergangsbereich (64) zur zweiten Lagerfläche (54) mit der zweiten La­ gerfläche (54) einen Winkel einschließt, der größer als 90°, insbesondere größer als 110° ist. 7. Joint element according to one of the preceding claims, characterized in that a tangential plane to the contact surface ( 66 ) in the transition region ( 64 ) to the second bearing surface ( 54 ) with the second bearing surface ( 54 ) includes an angle which is greater than 90 °, is in particular greater than 110 °. 8. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß das Gelenkelement ein Gleitelement (16) ist und daß die erste und/oder die zweite Lagerfläche Gleitflächen (54, 56) sind.8. Joint element according to one of the preceding claims, characterized in that the joint element is a sliding element ( 16 ) and that the first and / or the second bearing surface are sliding surfaces ( 54 , 56 ). 9. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß ein Übergangsbereich des ersten Randbereichs (62) zwischen der Kontaktfläche (66) und der ersten Lagerfläche (56) in Umfangsrichtung mindestens abschnittsweise abgerundet und kantenfrei ist, vorzugsweise vollständig abgerundet und kantenfrei ist.9. Joint element according to one of the preceding claims, characterized in that a transition region of the first edge region ( 62 ) between the contact surface ( 66 ) and the first bearing surface ( 56 ) is rounded at least in sections in the circumferential direction and is edge-free, preferably completely rounded and edge-free. 10. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß ein Übergangsbereich des zweiten Randbereichs (64) zwischen der Kontaktfläche (66) und der zweiten Lagerfläche (54) in Umfangsrichtung des zweiten Randbereichs (64) mindestens abschnitts­ weise abgerundet und kantenfrei ist, vorzugsweise vollständig abgerun­ det und kantenfrei ist.10. Joint element according to one of the preceding claims, characterized in that a transition region of the second edge region ( 64 ) between the contact surface ( 66 ) and the second bearing surface ( 54 ) in the circumferential direction of the second edge region ( 64 ) is at least partially rounded and edge-free , preferably completely rounded and is edge-free. 11. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß der erste Randbereich (62) bezogen auf eine den er­ sten Randbereich (62) berührende Berührebene konkav gekrümmt ist.11. Joint element according to one of the preceding claims, characterized in that the first edge region ( 62 ) is concavely curved in relation to a contact plane which it touches the most edge region ( 62 ). 12. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß die erste Lagerfläche (56) des Gelenkelements (16) eine von dem Gelenkelement (16) weg weisende konkave Form auf­ weist, insbesondere eine hohlsphärische Form. 12. Joint element according to one of the preceding claims, characterized in that the first bearing surface ( 56 ) of the joint element ( 16 ) has a concave shape pointing away from the joint element ( 16 ), in particular a hollow spherical shape. 13. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß die zweite Lagerfläche (54) des Gelenkelements (16) eine ebene Form aufweist.13. Joint element according to one of the preceding claims, characterized in that the second bearing surface ( 54 ) of the joint element ( 16 ) has a flat shape. 14. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß die Kontaktfläche (66) im wesentlichen eine Ringform aufweist.14. Joint element according to one of the preceding claims, characterized in that the contact surface ( 66 ) has an essentially annular shape. 15. Gelenkelement nach Anspruch 14, dadurch gekennzeichnet, daß die Ringform im wesentlichen oval ist.15. Joint element according to claim 14, characterized in that the Ring shape is substantially oval. 16. Gelenkelement nach einem der voranstehenden Ansprüche, dadurch ge­ kennzeichnet, daß das Gelenkelement (16) mindestens eine Symme­ trieebene aufweist, die quer zur zweiten Lagerfläche (54) verläuft.16. Joint element according to one of the preceding claims, characterized in that the joint element ( 16 ) has at least one symmetry plane which extends transversely to the second bearing surface ( 54 ). 17. Implantat zum Ersetzen mindestens eines Teils eines von mindestens einem ersten und einem zweiten Knochenende gebildeten Gelenks, mit einem ersten, an dem ersten Knochenende anordenbaren Implantatele­ ment, mit einem zweiten, an dem zweiten Knochenende anordenbaren Implantatelement und mit einem Gelenkelement, dadurch gekennzeich­ net, daß das Gelenkelement (16) ein Gelenkelement nach einem der voranstehenden Ansprüche ist.17. Implant for replacing at least part of a joint formed by at least a first and a second bone end, with a first implant element that can be arranged on the first bone end, with a second implant element that can be arranged on the second bone end and with a joint element, characterized in that that the joint element ( 16 ) is a joint element according to one of the preceding claims.
DE20302179U 2003-02-05 2003-02-05 Joint element and implant Expired - Lifetime DE20302179U1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE20302179U DE20302179U1 (en) 2003-02-05 2003-02-05 Joint element and implant
DE10305795A DE10305795A1 (en) 2003-02-05 2003-02-05 Joint element and implant
PCT/EP2004/000941 WO2004069089A2 (en) 2003-02-05 2004-02-03 Joint element and implant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20302179U DE20302179U1 (en) 2003-02-05 2003-02-05 Joint element and implant
DE10305795A DE10305795A1 (en) 2003-02-05 2003-02-05 Joint element and implant

Publications (1)

Publication Number Publication Date
DE20302179U1 true DE20302179U1 (en) 2003-04-24

Family

ID=32928828

Family Applications (2)

Application Number Title Priority Date Filing Date
DE20302179U Expired - Lifetime DE20302179U1 (en) 2003-02-05 2003-02-05 Joint element and implant
DE10305795A Withdrawn DE10305795A1 (en) 2003-02-05 2003-02-05 Joint element and implant

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DE10305795A Withdrawn DE10305795A1 (en) 2003-02-05 2003-02-05 Joint element and implant

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Publication number Priority date Publication date Assignee Title
FR2885516B1 (en) * 2005-05-13 2008-01-18 Jean Manuel Aubaniac ANATOMIC UNICOMPARTIMENTAL PROSTHESIS OF THE KNEE
ITBO20050795A1 (en) 2005-12-28 2007-06-29 Alma Mater Studiorum Uni Di Bologna ORTHOPEDIC DEVICE AND PROCEDURE FOR REALIZING SUCH A DEVICE.
US10376370B2 (en) 2010-09-07 2019-08-13 John Joseph O'Connor Unicondylar meniscal bearing knee replacement
GB201014824D0 (en) * 2010-09-07 2010-10-20 Goodfellow John Unicondylar meniscal bearing knee replacement

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Publication number Priority date Publication date Assignee Title
DE2122390B2 (en) * 1971-05-06 1973-08-16 Aesculap Werke AG vormals Jetter & Scheerer, 7200 Tuttlingen KNEE JOINT ENDOPROTHESIS
US4207627A (en) * 1979-01-18 1980-06-17 Cloutier Jean Marie Knee prosthesis
GB8432267D0 (en) * 1984-12-20 1985-01-30 Thackray C F Ltd Knee prosthesis
US5171283A (en) * 1989-07-11 1992-12-15 Biomedical Engineering Trust Compound shape rotating bearing
US5092895A (en) * 1990-05-30 1992-03-03 Albrektsson Bjoern Knee-joint prosthesis
ES2161804T3 (en) * 1991-06-17 2001-12-16 Andre Bahler PROTESIS FOR AN ARTICULATION, IN SPECIAL PROTESIS FOR THE ARTICULATION OF THE KNEE.
FR2702369B1 (en) * 1993-03-10 1995-05-05 Gilles Voydeville Knee prosthesis.
FR2788964B1 (en) * 1999-01-28 2001-04-20 Aesculap Sa TIBIAL ANTI-TIPPING INSERT
EP1097679B1 (en) * 1999-10-29 2004-05-19 Sulzer Orthopädie AG Unicompartmental knee prosthesis

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WO2004069089A3 (en) 2004-10-21
WO2004069089A2 (en) 2004-08-19

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