DE1139934T1 - Bandscheibenprothese - Google Patents

Bandscheibenprothese

Info

Publication number
DE1139934T1
DE1139934T1 DE1139934T DE99958284T DE1139934T1 DE 1139934 T1 DE1139934 T1 DE 1139934T1 DE 1139934 T DE1139934 T DE 1139934T DE 99958284 T DE99958284 T DE 99958284T DE 1139934 T1 DE1139934 T1 DE 1139934T1
Authority
DE
Germany
Prior art keywords
prosthesis according
cushion
plates
fluid
prosthesis
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.)
Pending
Application number
DE1139934T
Other languages
English (en)
Inventor
Fabien Gauchet
Regis Le Couedic
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.)
Stryker Spine SAS
Original Assignee
Dimso SA
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 Dimso SA filed Critical Dimso SA
Publication of DE1139934T1 publication Critical patent/DE1139934T1/de
Pending 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
    • A61F2/442—Intervertebral or spinal discs, e.g. resilient
    • 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
    • A61F2/30721—Accessories
    • A61F2/30742—Bellows or hose-like seals; Sealing membranes
    • 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
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/3006—Properties of materials and coating materials
    • A61F2002/30069—Properties of materials and coating materials elastomeric
    • 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
    • A61F2002/30316—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
    • A61F2002/30563—Special structural features of bone or joint prostheses not otherwise provided for having elastic means or damping means, different from springs, e.g. including an elastomeric core or shock absorbers
    • 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
    • A61F2002/30316—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
    • A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring 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
    • 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
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
    • A61F2002/30578—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs having apertures, e.g. for receiving fixation screws
    • 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
    • A61F2002/30316—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
    • A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
    • 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
    • A61F2002/30316—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
    • A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
    • A61F2002/30584—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid filled with gas
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/442—Intervertebral or spinal discs, e.g. resilient
    • A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
    • A61F2002/443—Intervertebral or spinal discs, e.g. resilient made of articulated components having two transversal endplates and at least one intermediate component
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys
    • A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Neurology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)

Claims (19)

* DE/EP 1 138 934 TI EP 99 958 284.4 Distribution Medicale du Sud-Ouest Patentansprüche: 5
1. Prothese für eine Bandscheibe (2), die zwei Platten (4) und ein zwischen diesen Platten angeordnetes Polster (10) aufweist, wobei dieses Polster einen komprimierbaren Körper (12) enthält, und dieses Polster ein Fluid enthält, dadurch gekennzeichnet, dass dieses Fluid komprimierbar ist.
2. Prothese nach Anspruch 1,
dadurch gekennzeichnet, dass dieses Fluid unter einem Druck steht, der es ermöglicht, dass es stärker komprimiert werden kann, als der Körper.
3. Prothese nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass dieses Fluid ein Gas enthält.
4. Prothese nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Polster (10) so angeordnet ist, dass der Druck des Fluids direkt auf die Platten (4) einwirkt.
.
5. Prothese nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Fluid an der Peripherie des Körpers (12) angeordnet ist.
DE/EP1 139 934 Ti
6. Prothese nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass
dieser Körper (12) ein viskoelastisches Material enthält, das insbesondere aus Silikon besteht.
.
7. Prothese nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass
dieser Körper (12) mindestens einen Endabschnitt (18) mit einem Kontaktbereich mit einer der Platten (4) aufweist, wobei diese Prothese so angeordnet ist, dass der Kontaktbereich eine Oberfläche besitzt, die sich vergrößert, wenn die Beanspruchung der Platte (4) in Richtung des Körpers (12) erhöht wird.
8. Prothese nach Anspruch 7,
dadurch gekennzeichnet, dass
der Kontaktbereich durch eine Fläche der Platte und eine Fläche des Endabschnittes des Körpers definiert wird, wobei eine Fläche (18) des Körpers (12) gekrümmt und konvex gestaltet ist, während die andere Fläche (20) eben ist.
9. Prothese nach Anspruch 7,
dadurch gekennzeichnet, dass
dieser Kontaktbereich durch eine Fläche der Platte und eine Fläche des Endabschnittes des Körpers gebildet wird, wobei diese beiden Flächen (18, 20) in mindestens einer Richtung gekrümmt und jeweils konkav und konvex ausgebildet sind, wobei die konkave Fläche (20) mindestens einen Krümmungsradius aufweist, der über dem entsprechenden Krümmungsradius der konvexen Fläche (18) liegt.
it ♦» ■♦· *· ♦*
DE/EP 1 139934 Tl
10. Prothese nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Körper mindestens einen Endabschnitt aufweist, der mit einer der Platten in Verbindung steht, wobei sich dieser Endabschnitt frei gegenüber der nächsten Platte parallel zu dieser Platte verschieben kann.
11. Prothese nach Anspruch 10, dadurch gekennzeichnet, dass der Endabschnitt (18) in eine Verstärkung (32) der Platte (4) eingesetzt ist und einen seitlichen Anschlag für den Körper bilden kann.
12. Prothese nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass dieses Polster (10) eine Einfassung aufweist, die das Fluid enthält und so gestaltet ist, dass es eine Oberfläche mit einem Querschnitt parallel zu den Platten (4) aufweist, die im wesentlichen unveränderlich ist, wenn die Kompression des Polsters zwischen den Platten verändert wird.
13. Prothese nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das Polster (10) eine Einfassung (22) aufweist, die das Fluid enthält, und über den Umfang und im Abstand zu dem Körper liegt.
14. Prothese nach einem der Ansprüche 12 oder 13, dadurch gekennzeichnet, dass die Einfassung (22) eine Feder, und insbesondere eine Druckfeder bildet.
15. Prothese nach einem der Ansprüche 1 bis 14,
dadurch gekennzeichnet, dass
" if ~
DE/EP 1 1.38 9.34 T.I
das Polster (10) so gestaltet ist, dass es eine Krümmung (C) der mechanischen Reaktion (R) bei einer Kompression (F) entsprechend einer Variation (&Dgr;1) einer Abmessung (1) des Polsters (10) in der Richtung (14) der Kompression (F) aufweist, welche die Form einer Hysterese hat. 5
16. Prothese nach Anspruch 15,
dadurch gekennzeichnet, dass
das Polster (10) so angeordnet ist, dass die Reaktion (R) auf eine Kompression (F) geringer bei Werten (CaI) der Reaktion (R), die relativ gering sind, ansteigt, als bei relativ hohen Reaktions werten (R)7 die relativ hoch sind (Cd2).
17. Prothese nach einem der Ansprüche 15 bis 16,
dadurch gekennzeichnet, dass
das Polster (20) so angeordnet ist, dass die Reaktion auf die Kompression (F) stärker bei relativ hohen Reaktionswerten (F) im Wert von (Cdi) absinkt, als bei Reaktions werten (R), die relativ gering sind (Cd2).
18. Prothese nach einem der Ansprüche 15 bis 17,
dadurch gekennzeichnet, dass
das Polster (10) so angeordnet ist, dass die Reaktion (R) auf die Kompression (F) höhere Werte hat, wenn sie ansteigt (Ca), als wenn sie absinkt (Cd).
19. Prothese nach einem der Ansprüche 1 bis 18,
dadurch gekennzeichnet, dass
es sich um eine Prothese für eine Bandscheibe eines Lendenwirbels handelt.
DE1139934T 1998-12-11 1999-12-09 Bandscheibenprothese Pending DE1139934T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9815671A FR2787016B1 (fr) 1998-12-11 1998-12-11 Prothese de disque intervertebral
PCT/FR1999/003072 WO2000035384A1 (fr) 1998-12-11 1999-12-09 Prothese de disque intervertebral

Publications (1)

Publication Number Publication Date
DE1139934T1 true DE1139934T1 (de) 2002-06-13

Family

ID=9533876

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1139934T Pending DE1139934T1 (de) 1998-12-11 1999-12-09 Bandscheibenprothese
DE69932946T Expired - Lifetime DE69932946T2 (de) 1998-12-11 1999-12-09 Bandscheibenprothese

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69932946T Expired - Lifetime DE69932946T2 (de) 1998-12-11 1999-12-09 Bandscheibenprothese

Country Status (12)

Country Link
US (1) US6527804B1 (de)
EP (1) EP1139934B1 (de)
JP (1) JP4134514B2 (de)
KR (1) KR20020012536A (de)
AT (1) ATE336970T1 (de)
AU (1) AU764965B2 (de)
CA (1) CA2354166A1 (de)
DE (2) DE1139934T1 (de)
ES (1) ES2167293T1 (de)
FR (1) FR2787016B1 (de)
WO (1) WO2000035384A1 (de)
ZA (1) ZA200104844B (de)

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ZA200104844B (en) 2002-08-16
FR2787016A1 (fr) 2000-06-16
AU764965B2 (en) 2003-09-04
JP4134514B2 (ja) 2008-08-20
WO2000035384A1 (fr) 2000-06-22
EP1139934A1 (de) 2001-10-10
ATE336970T1 (de) 2006-09-15
KR20020012536A (ko) 2002-02-16
DE69932946T2 (de) 2007-01-25
ES2167293T1 (es) 2002-05-16
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DE69932946D1 (de) 2006-10-05
US6527804B1 (en) 2003-03-04

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