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WO2006099887A1 - Implant de colonne vertebrale cervical - Google Patents

Implant de colonne vertebrale cervical Download PDF

Info

Publication number
WO2006099887A1
WO2006099887A1 PCT/EP2005/003193 EP2005003193W WO2006099887A1 WO 2006099887 A1 WO2006099887 A1 WO 2006099887A1 EP 2005003193 W EP2005003193 W EP 2005003193W WO 2006099887 A1 WO2006099887 A1 WO 2006099887A1
Authority
WO
WIPO (PCT)
Prior art keywords
implant
cervical spine
implant part
insert
cervical
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.)
Ceased
Application number
PCT/EP2005/003193
Other languages
German (de)
English (en)
Inventor
Hans Grundei
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.)
Eska Implants GmbH and Co KG
Original Assignee
Eska Implants 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
Application filed by Eska Implants GmbH and Co KG filed Critical Eska Implants GmbH and Co KG
Priority to PCT/EP2005/003193 priority Critical patent/WO2006099887A1/fr
Publication of WO2006099887A1 publication Critical patent/WO2006099887A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated 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
    • A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
    • A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
    • 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
    • A61F2002/30133—Rounded shapes, e.g. with rounded corners kidney-shaped or bean-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
    • A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
    • A61F2002/30649—Ball-and-socket joints
    • 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
    • A61F2002/30667—Features concerning an interaction with the environment or a particular use of the prosthesis
    • A61F2002/30682—Means for preventing migration of particles released by the joint, e.g. wear debris or cement particles
    • A61F2002/30685—Means for reducing or preventing the generation of wear particulates
    • 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
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
    • A61F2002/30909—Nets
    • 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
    • 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
    • A61F2230/0015—Kidney-shaped, e.g. bean-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
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • 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
    • 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
    • A61F2310/00179—Ceramics or ceramic-like structures
    • 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
    • A61F2310/00389—The prosthesis being coated or covered with a particular material
    • A61F2310/00928—Coating or prosthesis-covering structure made of glass or of glass-containing compounds, e.g. of bioglass

Definitions

  • the present invention relates to a cervical spine implant.
  • Such implants are known and in use.
  • the problem with these implants is the limited mobility of the cervical spine after implantation. Usually natural movements like nodding or shaking the head are often limited.
  • the greater the mobility of the implant the more stable the secondary fixation of the implant must be in order to be able to absorb the forces occurring.
  • known implants show significant deficits.
  • the cervical spine implant according to the invention has a first implant part to be implanted in a cervical vertebra and a second implant part to be implanted in the adjacent cervical vertebra.
  • the first implant part has on the back a planar support surface for the bone, which is at least partially provided with a three-dimensional open-mesh spatial network structure, and on the front side a curved surface.
  • the second implant part also has a flat support surface for the bone on the back, which is at least partially provided with a three-dimensional open-mesh spatial network structure, and on the front side one of the curvature of the surface of the first Implant part according to concave surface. Both surfaces of the implant parts act together in the manner of a joint, in such a way that they can perform each other movements with medial-lateral and dorsal-ventral components.
  • the cervical spine implant thus acts like a joint that allows all natural body movements of the patient.
  • the prerequisite for this is a secure fixation in the cervical vertebrae.
  • the respective planar bearing surface of both implant parts with the three-dimensional open-meshed spatial network structure is used. Bone trabeculae grow into and through this spatial network structure and ensure a secure secondary fixation. Bone material organizes itself into the spatial network structure after implantation and thus forms the basis for safe secondary fixation.
  • both implant parts have at least one backward extending from medial to lateral Arret istssteg.
  • a corresponding groove must be milled into the respective cervical vertebral body, into which then the bar or struts can be inserted.
  • the proportions are to be chosen so that the one or more webs can be taken in the groove or grooves, whereby a certain primary stability is generated.
  • a curved insert is inserted as a sliding partner for the concave surface of the second implant part.
  • a second insert as a sliding partner for the curved surface of the first implant part is admitted. Through these measures, the joint character of the implant is lifted even more.
  • This embodiment offers the possibility of producing the mutually running surfaces of a different material than the remaining parts of the implant parts, which are usually made of a biocompatible metal.
  • the inserts as sliding partners offer the possibility of different pairs of sliding partners.
  • both inserts may be made of metal, if this is a metal powder as starting material, which is sintered in further steps.
  • an insert of metal and the other insert is made of polyethylene. This mating is known in particular from hip arthroplasty.
  • both inserts are made of ceramic.
  • a still further embodiment provides that at least one insert part consists of a metal coated with a glass ceramic layer.
  • the variant that both inserts are made of the thus coated metal is possible.
  • an insert consists of a ceramic composite material. At this point, let us think of a composite material with ceramic components in a polyurethane matrix.
  • FIG. 1 is a sectional view of a cervical spine implant
  • 2 shows the plan view of the first implant part of the implant according to FIG. 1
  • FIG. 3 shows the plan view of the other implant part of the implant according to FIG. 1.
  • FIG. 1 A first overview provides Fig. 1
  • Both implant parts 2 and 3 can clearly be seen. Both implant parts 2 and 3 each have a locking web 9 or 9 ' at the rear, which are driven into a corresponding milling recess in the respective cervical vertebra, thus ensuring a first primary stability of the implant parts to generate in situ.
  • both implant parts 2 and 3 are provided with a three-dimensional open-meshed spatial network structure 4 or 4 ' , in which bone trabeculae of the bony surfaces following implantation are organized, thus ensuring long-term stability.
  • the front side of the first implant part 2 is provided with a curved surface 7, whereas the second implant part 3 has a concave surface 8, which is adapted to the curvature of the surface 7.
  • a curved insert 5 is inserted as a sliding partner for the concave surface 7 of the second implant.
  • a second insert 6 is inserted into the concave surface 7 of the second implant part 3 as a sliding partner for the curved surface of the first implant part 2 or of the insert part 5.
  • the inserts 5 and 6 are made of materials that are matched to each other to the joint function of the overall implant positive to influence. It is to be thought of the lowest possible friction, as well as the lowest possible abrasion of the material.
  • FIG. 2 shows the plan view of the first implant part 2 from FIG. 1
  • FIG. 3 shows the plan view of the second implant part 3 from FIG. 1.
  • Both implant parts are almost kidney-shaped and adapted with this outer contour of those of the cervical vertebrae.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (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)

Abstract

La présente invention concerne un implant de colonne vertébrale cervical destiné à être mis en place entre deux corps vertébraux cervicaux voisins. Ledit implant présente une première partie (2) à implanter dans un corps vertébral cervical, et une seconde partie (3) à implanter dans un corps vertébral cervical voisin. La première partie (2) de l'implant présente sur son côté arrière une surface d'appui plane destinée à l'os et dotée au moins partiellement d'une structure de réseau spatial à mailles ouvertes tridimensionnelle (4). Elle présente une surface incurvée (7) sur son côté avant. La seconde partie (3) de l'implant présente également sur son côté arrière une surface d'appui plane destinée à l'os et dotée au moins partiellement d'une structure de réseau spatial à mailles ouvertes tridimensionnelle (4'). Elle présente sur son côté avant une surface concave (8) correspondante à la courbure de la surface (7) de la première partie (2) de l'implant. Les deux surfaces (7, 8) coopèrent à la manière d'une articulation de sorte qu'elles peuvent exécuter des mouvements relatifs avec des composantes médio-latérales et dorso-ventrales.
PCT/EP2005/003193 2005-03-24 2005-03-24 Implant de colonne vertebrale cervical Ceased WO2006099887A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/003193 WO2006099887A1 (fr) 2005-03-24 2005-03-24 Implant de colonne vertebrale cervical

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/003193 WO2006099887A1 (fr) 2005-03-24 2005-03-24 Implant de colonne vertebrale cervical

Publications (1)

Publication Number Publication Date
WO2006099887A1 true WO2006099887A1 (fr) 2006-09-28

Family

ID=35355459

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/003193 Ceased WO2006099887A1 (fr) 2005-03-24 2005-03-24 Implant de colonne vertebrale cervical

Country Status (1)

Country Link
WO (1) WO2006099887A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002034169A2 (fr) * 2000-10-20 2002-05-02 Sdgi Holdings, Inc. Dispositifs d'ancrage et implants pour augmentation du disque intervertebral
US6517580B1 (en) * 2000-03-03 2003-02-11 Scient'x Societe A Responsabilite Limited Disk prosthesis for cervical vertebrae
US20040002761A1 (en) * 2002-06-27 2004-01-01 Christopher Rogers Intervertebral disc having translation
WO2004028415A1 (fr) * 2002-09-26 2004-04-08 Spinecore, Inc. Disque intervertebral artificiel presentant une bille capturee et une articulation
DE20320454U1 (de) * 2003-12-22 2004-10-14 Meisel, Hans Jörg, Dr. med. Bauteilanordnung für eine Prothese

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6517580B1 (en) * 2000-03-03 2003-02-11 Scient'x Societe A Responsabilite Limited Disk prosthesis for cervical vertebrae
WO2002034169A2 (fr) * 2000-10-20 2002-05-02 Sdgi Holdings, Inc. Dispositifs d'ancrage et implants pour augmentation du disque intervertebral
US20040002761A1 (en) * 2002-06-27 2004-01-01 Christopher Rogers Intervertebral disc having translation
WO2004028415A1 (fr) * 2002-09-26 2004-04-08 Spinecore, Inc. Disque intervertebral artificiel presentant une bille capturee et une articulation
DE20320454U1 (de) * 2003-12-22 2004-10-14 Meisel, Hans Jörg, Dr. med. Bauteilanordnung für eine Prothese

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