WO2005011523A3 - Prosthetic intervertebral disc and methods for using same - Google Patents

Prosthetic intervertebral disc and methods for using same Download PDF

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Publication number
WO2005011523A3
WO2005011523A3 PCT/US2004/025056 US2004025056W WO2005011523A3 WO 2005011523 A3 WO2005011523 A3 WO 2005011523A3 US 2004025056 W US2004025056 W US 2004025056W WO 2005011523 A3 WO2005011523 A3 WO 2005011523A3
Authority
WO
WIPO (PCT)
Prior art keywords
discs
piece
prosthetic
methods
same
Prior art date
Application number
PCT/US2004/025056
Other languages
French (fr)
Other versions
WO2005011523A2 (en
Inventor
Daniel H Kim
Thomas A Afzal
Michael L Reo
Uriel Hiram Chee
In Haeng Cho
Lee Kunwoo
Curtis W Frank
Ha Sungkyu
Original Assignee
Spinal Kinetics Inc
Daniel H Kim
Thomas A Afzal
Michael L Reo
Uriel Hiram Chee
In Haeng Cho
Lee Kunwoo
Curtis W Frank
Ha Sungkyu
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 Spinal Kinetics Inc, Daniel H Kim, Thomas A Afzal, Michael L Reo, Uriel Hiram Chee, In Haeng Cho, Lee Kunwoo, Curtis W Frank, Ha Sungkyu filed Critical Spinal Kinetics Inc
Priority to JP2006522673A priority Critical patent/JP4644795B2/en
Priority to CA2535168A priority patent/CA2535168C/en
Priority to AU2004261295A priority patent/AU2004261295B2/en
Priority to EP04779973.9A priority patent/EP1659994B1/en
Priority to CN200480028905.4A priority patent/CN1882294B/en
Publication of WO2005011523A2 publication Critical patent/WO2005011523A2/en
Publication of WO2005011523A3 publication Critical patent/WO2005011523A3/en

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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
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    • 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
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    • 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
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    • 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
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    • A61F2/4611—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of spinal prostheses
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    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
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    • 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
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    • A61L2430/00—Materials or treatment for tissue regeneration
    • A61L2430/38—Materials or treatment for tissue regeneration for reconstruction of the spine, vertebrae or intervertebral discs

Abstract

Prosthetic intervertebral discs (100) and methods for using the same are described. The subject prosthetic discs (100) include upper (110) and lower (120) endplates separated by a compressible core member (130). The prosthetic discs (100) described herein include one-piece, two-piece, three-piece, and four-piece structures. The subject prosthetic discs (100) exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components of the discs (100). The interface mechanism between the endplates (110, 120) and the core members (130) of several embodiments of the described prosthetic discs (100) enables a very easy surgical operation for implantation.
PCT/US2004/025056 2003-08-01 2004-07-30 Prosthetic intervertebral disc and methods for using same WO2005011523A2 (en)

Priority Applications (5)

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JP2006522673A JP4644795B2 (en) 2003-08-01 2004-07-30 Prosthetic intervertebral disc and method of use thereof
CA2535168A CA2535168C (en) 2003-08-01 2004-07-30 Prosthetic intervertebral disc and methods for using same
AU2004261295A AU2004261295B2 (en) 2003-08-01 2004-07-30 Prosthetic intervertebral disc and methods for using same
EP04779973.9A EP1659994B1 (en) 2003-08-01 2004-07-30 Prosthetic intervertebral disc
CN200480028905.4A CN1882294B (en) 2003-08-01 2004-07-30 Prosthetic intervertebral disc and its application method

Applications Claiming Priority (2)

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US10/632,538 2003-08-01
US10/632,538 US7153325B2 (en) 2003-08-01 2003-08-01 Prosthetic intervertebral disc and methods for using the same

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WO2005011523A2 WO2005011523A2 (en) 2005-02-10
WO2005011523A3 true WO2005011523A3 (en) 2005-04-28

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US (16) US7153325B2 (en)
EP (2) EP1659994B1 (en)
JP (2) JP4644795B2 (en)
CN (1) CN1882294B (en)
AU (1) AU2004261295B2 (en)
CA (1) CA2535168C (en)
WO (1) WO2005011523A2 (en)

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