US20040153157A1 - System for intervertebral disk prostheses - Google Patents

System for intervertebral disk prostheses Download PDF

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Publication number
US20040153157A1
US20040153157A1 US10/473,998 US47399804A US2004153157A1 US 20040153157 A1 US20040153157 A1 US 20040153157A1 US 47399804 A US47399804 A US 47399804A US 2004153157 A1 US2004153157 A1 US 2004153157A1
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United States
Prior art keywords
corrective
core
prostheses
cover plates
standard
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.)
Abandoned
Application number
US10/473,998
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English (en)
Inventor
Arnold Keller
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.)
DePuy Spine LLC
DePuy Synthes Products Inc
Link Spine Group Inc
Original Assignee
Link Spine Group Inc
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 Link Spine Group Inc filed Critical Link Spine Group Inc
Assigned to LINK SPINE GROUP, INC. reassignment LINK SPINE GROUP, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KELLER, ARNOLD
Publication of US20040153157A1 publication Critical patent/US20040153157A1/en
Priority to US11/936,510 priority Critical patent/US8303661B2/en
Assigned to DEPUY SPINE, LLC reassignment DEPUY SPINE, LLC CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: DEPUY SPINE, INC.
Assigned to HAND INNOVATIONS LLC reassignment HAND INNOVATIONS LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DEPUY SPINE, LLC
Assigned to DePuy Synthes Products, LLC reassignment DePuy Synthes Products, LLC CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: HAND INNOVATIONS LLC
Assigned to DePuy Synthes Products, Inc. reassignment DePuy Synthes Products, Inc. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: DePuy Synthes Products, LLC
Abandoned legal-status Critical Current

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    • 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
    • A61F2002/30316—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
    • A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
    • 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
    • A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
    • A61F2002/30616—Sets comprising a plurality of prosthetic parts of different sizes or orientations
    • 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
    • A61F2002/30662—Ball-and-socket joints with rotation-limiting means
    • 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
    • A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
    • 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
    • A61F2310/00017—Iron- or Fe-based alloys, e.g. stainless steel
    • 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

Definitions

  • the desired spatial relationship to the vertebral bodies is achieved only if the anatomical conditions correspond to the normal conditions assumed upon construction of the prosthesis. If, however, for example for anatomical reasons, a centre of articulation is by way of exception to have another position, the prosthesis in question or a cover plate of this prosthesis must be implanted so as to deviate from the normal spatial relationship to the vertebral body, which is difficult and risky.
  • a system of intervertebral disc prostheses is assumed which includes standard prostheses and corrective prostheses.
  • the standard prostheses in each size category are identical to each other.
  • a plurality of size categories are normally available, although this is not absolutely necessary.
  • the prostheses consist of a prosthesis core and of at least one cover plate.
  • the prosthesis core cooperates with at least one cover plate via articulation surfaces.
  • the prosthesis core preferably has two articulation surfaces on opposite sides via which it cooperates with complementary articulation surfaces of two cover plates.
  • Articulation surfaces and retaining surfaces are combined below and in the claims under the term core-matching surfaces.
  • the cover plates have a contact surface to adjoin a vertebral body.
  • the invention provides for the corrective prostheses to have at least one corrective cover plate whose core-matching surface is offset ventrodorsally relative to the contact surface by comparison with the standard prostheses.
  • the centre of articulation of a prosthesis relative to the vertebral body on whose side the corrective cover plate is fitted is offset ventrodorsally compared to the standard prostheses.
  • the offset can be in the ventral direction or the dorsal direction depending on the type and direction of insertion of the cover plate. If the contact surfaces of the corrective cover plates are of symmetrical configuration in relation to their mediolateral centre line, they can either be used with the centre offset in the ventral direction or in the dorsal direction.
  • an essential embodiment of the corrective rective plate according to the invention is distinguished by the fact that the centre of articulation is offset dorsally, provided that the dorsal side can be distinguished on the cover plate.
  • the use of the invention is particularly advantageous in this type of prosthesis because the corrective plates make it possible to arrange the centre of articulation of one cover plate so that it is displaced relative to the centre of articulation of the other cover plate, as a result of which said offset is compensated.
  • the diameter of the articulation surfaces can be chosen as large as possible within the limits of the cover plate in order to keep the surface pressure low.
  • the articulation surface formed on the cover surface has an only slightly smaller ventrodorsal extent than the cover plate. In these cases the offset of the articulation surface relative to the contact surface can take place only under the proviso that a smaller diameter is chosen for the articulation surface. If the radius of curvature of the articulation surface is left unchanged, the depth of the articulation surface provided in the cover plate decreases as the diameter decreases and thus its ability to transmit forces acting laterally (parallel to the plane of the cover plate). This may be acceptable in some cases, so that this embodiment of the invention is not excluded.
  • the diameter and the radius of curvature of the articulation surface of the corrective cover plate are chosen to complement the articulation surfaces which belong to another, smaller size category.
  • the smaller size category not only is the diameter of the articulation surfaces chosen smaller, but also the radius of curvature.
  • the depth of these smaller articulation surfaces is therefore greater than the depth of an articulation surface of the larger size category, in which only the diameter was reduced, but not the radius of curvature.
  • prosthesis core is preferably in all cases a standard prosthesis core.
  • the second cover plate belonging to the prosthesis is likewise preferably a standard cover plate.
  • the second cover plate can also be a corrective cover plate, which is, however, rotated though 180° in relation to the first one so that the offset amounts of both plates are added to each other. It is only if, for some reason, the centre of articulation of the prosthesis is to be displaced ventrally or dorsally in relation to both adjacent vertebrae that corrective cover plates are used in the same orientation on both sides.
  • FIG. 1 shows a medial section through a standard prosthesis of a first size category
  • FIG. 2 shows a view of the inside of a cover plate of a standard prosthesis of the first size category
  • FIG. 3 shows a medial section through a standard prosthesis of a second size category
  • FIG. 4 shows a view of the inside of a cover plate of the standard prosthesis according to FIG. 3,
  • FIG. 5 shows a first embodiment of a corrective prosthesis in medial section
  • FIG. 6 shows a view of the inside of the associated corrective cover plate
  • FIG. 7 shows a second embodiment of the corrective prosthesis in medial section
  • FIGS. 8, 9 show medial sections through standard prostheses of different size categories in a modified embodiment
  • FIGS. 10, 11 show two corrective prostheses for the modified embodiment.
  • the standard prostheses according to FIGS. 1 to 4 consist of a lower cover plate 1 , an upper cover plate 2 and a prosthesis core 3 .
  • the cover plates form spherical, concave articulation surfaces 4
  • the prosthesis core 3 forms two identical convex, spherical articulation surfaces 5 which lie opposite each other and which are designed to complement those of the cover plates. All dimensions of the first size category (FIGS. 1 and 2) are greater than those of the second size category (FIGS. 3 and 4). In addition to the two size categories shown, further size categories can be present within the system.
  • the components of the prosthesis can be made of materials which have proven suitable for endoprostheses, for example metal, ceramic, polyethylene, with the cover plates 1 , 2 preferably being made of rigid material (for example metal) and the prosthesis core preferably being made of polyethylene.
  • the cover plates 1 , 2 have a contact surface 7 which is intended for connection to the end face of a vertebral body. It can be equipped with means (not shown) for fixed connection to the bone, for example teeth. It is more extensive in the mediolateral direction, which is indicated by the line 10 in FIG. 2, than it is in the ventrodorsal direction 11 .
  • the diameter 12 of the. articulation surface 4 in the standard prostheses is as large as is permitted by the dimension of the cover plate in the direction 11 .
  • such prostheses are able to transmit from vertebra to vertebra the forces extending in the direction of the spinal column, and to a certain extent also the forces extending transverse to the latter, and at the same time they permit swivel movements. If they are implanted between vertebrae between which strong transverse forces act, or between which a substantial directional change takes place, as is often the case for example between the last lumbar vertebra and the sacrum, a displacement of the cover plates and of the vertebrae may occur. This can be compensated for by using a corrective prosthesis 14 . It is constructed, for example, as is shown in FIG. 5 or FIG. 7.
  • the corrective prosthesis has an upper cover plate 15 which is designed as a corrective cover plate.
  • the external dimensions of its contact surface 7 and thus the overall surface dimensions are equal to those of the standard cover plate 2 of the first size category.
  • the centre 16 of the articulation surface 4 ′ provided on its inside is displaced dorsally in relation to the centre line 10 by an amount 17 . If one were to use the articulation surface 4 of the standard cover plate for this, it would assume the position 4 ′′ indicated by the broken line in FIG. 2. As this is partially extending out beyond the edge of the standard prosthesis, the latter would have to be provided at this location with a projection or a widening, or the articulation surface would have to be shortened to correspond to the standard edge contour.
  • FIG. 6 is thus preferred, in which use is made of that articulation surface 4 ′ of the second size category whose diameter 12 ′ is correspondingly smaller and can therefore be accommodated within the edge of the standard format of the corrective cover plate 15 .
  • the corrective cover plate 15 is combined with a prosthesis core 3 ′ and a lower cover plate 1 ′ of the second size category, as is indicated in FIG. 5.
  • a corrective cover plate 15 turned through 180° can also be used as lower cover plate in the corrective prosthesis (FIG. 7).
  • the offset 17 obtained on the lower cover plate is added to the offset 17 on the upper cover plate with the result that the corrective prosthesis according to FIG. 7 provides twice the offset of that according to FIG. 5.
  • FIGS. 8 and 9 show medial sections through prostheses of different size categories. They consist of a lower cover plate 21 , 21 ′, an upper cover plate 22 , 22 ′ and a prosthesis core 23 , 23 ′.
  • the upper cover plate 22 , 22 ′ and the top of the prosthesis core 23 , 23 ′ are identical to those of the illustrative embodiment discussed above. They afford a possibility of articulated movement along the pair of articulation surfaces 24 , 25 .
  • the underside of the prosthesis core 23 is made flat.
  • the lower cover plate 21 , 21 ′ and its core-matching surface 26 with edge 27 is designed solely to hold the prosthesis core 23 , 23 ′.
  • the upper cover plate 20 is designed as a corrective cover plate according to the explanations given for FIGS. 5 and 6. It belongs to the first, larger size category. It is combined with a prosthesis core 23 ′ and a lower cover plate 21 ′ of the second, smaller size category.
  • the lower cover plate 29 belongs to the first size category and is combined with a prosthesis core 23 ′ and an upper cover plate 22 ′ of the second size category. As in the examples discussed above, this therefore results in an offset 17 of the centre of articulation relative to the contact surface of the corrective cover plate.
  • the edge strip 30 of the corrective cover plate 15 is not needed for accommodating the articulation surface 4 ′. If it is also not needed with respect to a desired size of the contact surface 7 , it can be dispensed with.
  • the cover plate 15 and its contact surface 7 are then delimited for example according to the broken line 31 .

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  • 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)
US10/473,998 2001-04-05 2002-03-20 System for intervertebral disk prostheses Abandoned US20040153157A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/936,510 US8303661B2 (en) 2001-04-05 2007-11-07 System for intervertebral disk prostheses

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01108607A EP1250898A1 (fr) 2001-04-05 2001-04-05 Système de prothèse de disque intervertébral
EP01108607.1 2001-04-05
PCT/EP2002/003132 WO2002080818A1 (fr) 2001-04-05 2002-03-20 Systeme de protheses de disques intervertebraux

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/936,510 Continuation US8303661B2 (en) 2001-04-05 2007-11-07 System for intervertebral disk prostheses

Publications (1)

Publication Number Publication Date
US20040153157A1 true US20040153157A1 (en) 2004-08-05

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ID=8177058

Family Applications (2)

Application Number Title Priority Date Filing Date
US10/473,998 Abandoned US20040153157A1 (en) 2001-04-05 2002-03-20 System for intervertebral disk prostheses
US11/936,510 Active 2025-05-29 US8303661B2 (en) 2001-04-05 2007-11-07 System for intervertebral disk prostheses

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/936,510 Active 2025-05-29 US8303661B2 (en) 2001-04-05 2007-11-07 System for intervertebral disk prostheses

Country Status (6)

Country Link
US (2) US20040153157A1 (fr)
EP (2) EP1250898A1 (fr)
JP (1) JP2004538045A (fr)
AR (1) AR033694A1 (fr)
TW (1) TW553739B (fr)
WO (1) WO2002080818A1 (fr)

Cited By (47)

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US20040117021A1 (en) * 2002-09-12 2004-06-17 Lutz Biedermann Invertebral disk prosthesis
US20040172135A1 (en) * 2002-10-29 2004-09-02 St. Francis Medical Technologies, Inc. Artificial vertebral disk replacement implant with crossbar spacer and method
US20050004572A1 (en) * 2002-09-12 2005-01-06 Lutz Biedermann Space keeper for vertebrae or intervertebral disks
US20050033437A1 (en) * 2002-05-23 2005-02-10 Pioneer Laboratories, Inc. Artificial disc device
US20050043800A1 (en) * 2003-07-31 2005-02-24 Paul David C. Prosthetic spinal disc replacement
US20050085911A1 (en) * 2003-10-20 2005-04-21 Cervitech, Inc. Cervical intervertebral prosthesis system
US20050256577A1 (en) * 2002-09-18 2005-11-17 Mathys Medizinaltechnik Ag Implant comprising a two-piece joint
US20050256581A1 (en) * 2002-05-23 2005-11-17 Pioneer Laboratories, Inc. Artificial disc device
US20050261772A1 (en) * 2004-05-18 2005-11-24 Zimmer Gmbh Intervertebral disk implant
WO2006004848A1 (fr) * 2004-06-30 2006-01-12 Synergy Disc Replacement, Inc. Disque intervertebral artificiel
US20060069437A1 (en) * 2004-09-30 2006-03-30 Helmut Weber Intervertebral prosthesis
US20060223639A1 (en) * 2004-12-20 2006-10-05 Aruze Corp. Game chip
US20070088441A1 (en) * 2004-06-30 2007-04-19 Synergy Disc Replacement, Inc. Artificial Spinal Disc
US20070173936A1 (en) * 2006-01-23 2007-07-26 Depuy Spine, Inc. Intervertebral disc prosthesis
US20070233244A1 (en) * 2006-03-28 2007-10-04 Depuy Spine, Inc. Artificial Disc Replacement Using Posterior Approach
US20070233261A1 (en) * 2006-03-28 2007-10-04 Depuy Spine, Inc. Artificial Disc Replacement Using Posterior Approach
US20070260316A1 (en) * 2004-12-09 2007-11-08 Aesculap Ag & Co. Kg Kit for an intervertebral implant and intervertebral implant
US20080215156A1 (en) * 2004-06-30 2008-09-04 Synergy Disc Replacement Joint Prostheses
US20090076616A1 (en) * 2004-06-30 2009-03-19 Synergy Disc Systems and Methods for Vertebral Disc Replacement
US20090228108A1 (en) * 2001-04-05 2009-09-10 Link Spine Group, Inc. System for intervertebral disk prostheses
US7670377B2 (en) 2003-11-21 2010-03-02 Kyphon Sarl Laterally insertable artifical vertebral disk replacement implant with curved spacer
US7713304B2 (en) 2003-07-31 2010-05-11 Globus Medical, Inc. Transforaminal prosthetic spinal disc replacement
US7811329B2 (en) 2003-07-31 2010-10-12 Globus Medical Transforaminal prosthetic spinal disc replacement and methods thereof
US7833246B2 (en) 2002-10-29 2010-11-16 Kyphon SÀRL Interspinous process and sacrum implant and method
US7842088B2 (en) * 2005-09-23 2010-11-30 Ldr Medical Intervertebral disc prosthesis
US20110137421A1 (en) * 2009-12-07 2011-06-09 Noah Hansell Transforaminal Prosthetic Spinal Disc Apparatus
US8257439B2 (en) 2004-12-22 2012-09-04 Ldr Medical Intervertebral disc prosthesis
US8267999B2 (en) 2002-11-05 2012-09-18 Ldr Medical Intervertebral disc prosthesis
US8282641B2 (en) 2006-03-28 2012-10-09 Depuy Spine, Inc. Methods and instrumentation for disc replacement
US8343219B2 (en) 2007-06-08 2013-01-01 Ldr Medical Intersomatic cage, intervertebral prosthesis, anchoring device and implantation instruments
US8465546B2 (en) 2007-02-16 2013-06-18 Ldr Medical Intervertebral disc prosthesis insertion assemblies
US8715352B2 (en) 2006-12-14 2014-05-06 Depuy Spine, Inc. Buckling disc replacement
US8771284B2 (en) 2005-11-30 2014-07-08 Ldr Medical Intervertebral disc prosthesis and instrumentation for insertion of the prosthesis between the vertebrae
US8858635B2 (en) 2004-02-04 2014-10-14 Ldr Medical Intervertebral disc prosthesis
US20150045896A1 (en) * 2005-07-28 2015-02-12 Nuvasive, Inc. Total disc replacement system and related methods
US8974532B2 (en) 2004-04-28 2015-03-10 Ldr Medical Intervertebral disc prosthesis
US9017410B2 (en) 2011-10-26 2015-04-28 Globus Medical, Inc. Artificial discs
US20150173912A1 (en) * 2011-02-23 2015-06-25 Globus Medical, Inc. Six degree spine stabilization devices and methods
US9173745B2 (en) 2009-12-31 2015-11-03 Ldr Medical Instruments and methods for removing fixation devices from intervertebral implants
US9198770B2 (en) 2013-07-31 2015-12-01 Globus Medical, Inc. Artificial disc devices and related methods of use
US9233011B2 (en) 2006-09-15 2016-01-12 Pioneer Surgical Technology, Inc. Systems and apparatuses for inserting an implant in intervertebral space
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