WO2006026425A3 - Expandable interbody fusion device - Google Patents

Expandable interbody fusion device Download PDF

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Publication number
WO2006026425A3
WO2006026425A3 PCT/US2005/030395 US2005030395W WO2006026425A3 WO 2006026425 A3 WO2006026425 A3 WO 2006026425A3 US 2005030395 W US2005030395 W US 2005030395W WO 2006026425 A3 WO2006026425 A3 WO 2006026425A3
Authority
WO
WIPO (PCT)
Prior art keywords
wafer
fusion device
interlock
wafers
superior
Prior art date
Application number
PCT/US2005/030395
Other languages
French (fr)
Other versions
WO2006026425A2 (en
Inventor
Steve Wysocki
Joseph N Logan
Richard Manzi
Robert D Paxon
John Pafford
Mark D Loguidice
Tyler P Lipschultz
Carl Michael Nilsson
Daniel S Savage
Michael Landry
Original Assignee
Spine Wave 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 Spine Wave Inc filed Critical Spine Wave Inc
Publication of WO2006026425A2 publication Critical patent/WO2006026425A2/en
Publication of WO2006026425A3 publication Critical patent/WO2006026425A3/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
    • A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
    • A61F2/447—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
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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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    • A61F2/00—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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    • A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
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    • A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
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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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    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
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    • A61F2002/30518—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts
    • A61F2002/3052—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts unrestrained in only one direction, e.g. moving unidirectionally
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    • A61F2250/0063—Nested prosthetic parts

Abstract

An expandable interbody fusion device includes superior and inferior plates that are configured to receive a sequentially inserted stack of expansion members or wafers. The superior and inferior plates include features that at least initially interlock the two plates until the superior plate is dislodged by pressure from the growing wafer stack. The wafers include features on their top and bottom surfaces that interlock the wafers in multiple degrees of freedom so that the wafer stack is not disrupted when the fusion device is fully expanded. Each wafer also includes features that interlock with the inferior plate until the wafer id dislodged by sequential introduction of another wafer.
PCT/US2005/030395 2004-08-25 2005-08-25 Expandable interbody fusion device WO2006026425A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60442204P 2004-08-25 2004-08-25
US60/604,422 2004-08-25

Publications (2)

Publication Number Publication Date
WO2006026425A2 WO2006026425A2 (en) 2006-03-09
WO2006026425A3 true WO2006026425A3 (en) 2006-04-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/030395 WO2006026425A2 (en) 2004-08-25 2005-08-25 Expandable interbody fusion device

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US (9) US7875078B2 (en)
WO (1) WO2006026425A2 (en)

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US9050112B2 (en) 2011-08-23 2015-06-09 Flexmedex, LLC Tissue removal device and method
US9149286B1 (en) 2010-11-12 2015-10-06 Flexmedex, LLC Guidance tool and method for use
US9259329B2 (en) 2004-09-21 2016-02-16 Stout Medical Group, L.P. Expandable support device and method of use

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CA2363254C (en) 1999-03-07 2009-05-05 Discure Ltd. Method and apparatus for computerized surgery
US6793678B2 (en) 2002-06-27 2004-09-21 Depuy Acromed, Inc. Prosthetic intervertebral motion disc having dampening
US7828849B2 (en) 2003-02-03 2010-11-09 Warsaw Orthopedic, Inc. Expanding interbody implant and articulating inserter and method
AU2004212942A1 (en) 2003-02-14 2004-09-02 Depuy Spine, Inc. In-situ formed intervertebral fusion device
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US8337562B2 (en) 2012-12-25
US20170290673A1 (en) 2017-10-12

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