CA2337593A1 - Polymer filled spinal fusion cage - Google Patents

Polymer filled spinal fusion cage Download PDF

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Publication number
CA2337593A1
CA2337593A1 CA002337593A CA2337593A CA2337593A1 CA 2337593 A1 CA2337593 A1 CA 2337593A1 CA 002337593 A CA002337593 A CA 002337593A CA 2337593 A CA2337593 A CA 2337593A CA 2337593 A1 CA2337593 A1 CA 2337593A1
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CA
Canada
Prior art keywords
bag
polymer
spinal fusion
fusion cage
adjacent vertebrae
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.)
Granted
Application number
CA002337593A
Other languages
French (fr)
Other versions
CA2337593C (en
Inventor
Gregory C. Stalcup
Antony J. Lozier
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.)
Zimmer Technology Inc
Original Assignee
Bristol Myers Squibb Co
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Filing date
Publication date
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Publication of CA2337593A1 publication Critical patent/CA2337593A1/en
Application granted granted Critical
Publication of CA2337593C publication Critical patent/CA2337593C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • A61B17/70Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7097Stabilisers comprising fluid filler in an implant, e.g. balloon; devices for inserting or filling such implants
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004Rounded shapes, e.g. with rounded corners
    • A61F2230/0015Kidney-shaped, e.g. bean-shaped
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0065Three-dimensional shapes toroidal, e.g. ring-shaped, doughnut-shaped
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2310/00Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005The prosthesis being constructed from a particular material
    • A61F2310/00353Bone cement, e.g. polymethylmethacrylate or PMMA
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2430/00Materials or treatment for tissue regeneration
    • A61L2430/38Materials or treatment for tissue regeneration for reconstruction of the spine, vertebrae or intervertebral discs

Abstract

An orthopaedic implant for implanting between adjacent vertebrae and a spine, includes a generally annular bag; and a hardened polymer with the bag. The method of fusing adjacent vertebrae in a spine includes the steps of forming an access hole in an annulus of a disc between the adjacent vertebrae; removing the nucleus within the disc to form a cavity surrounded by the annulus; placing a generally annular bag within the cavity; filling the bag with a polymer; injecting bone particles into the cavity surrounded by the annular bag; and hardening the polymer.
CA002337593A 2000-03-07 2001-02-22 Polymer filled spinal fusion cage Expired - Fee Related CA2337593C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/520,893 2000-03-07
US09/520,893 US6332894B1 (en) 2000-03-07 2000-03-07 Polymer filled spinal fusion cage

Publications (2)

Publication Number Publication Date
CA2337593A1 true CA2337593A1 (en) 2001-09-07
CA2337593C CA2337593C (en) 2008-08-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002337593A Expired - Fee Related CA2337593C (en) 2000-03-07 2001-02-22 Polymer filled spinal fusion cage

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US (1) US6332894B1 (en)
EP (1) EP1132061B1 (en)
JP (1) JP4130535B2 (en)
AU (1) AU772702B2 (en)
CA (1) CA2337593C (en)
DE (1) DE60104918T2 (en)
ES (1) ES2227068T3 (en)

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