CA2483226A1 - Artificial disc replacements with natural kinematics - Google Patents

Artificial disc replacements with natural kinematics Download PDF

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Publication number
CA2483226A1
CA2483226A1 CA002483226A CA2483226A CA2483226A1 CA 2483226 A1 CA2483226 A1 CA 2483226A1 CA 002483226 A CA002483226 A CA 002483226A CA 2483226 A CA2483226 A CA 2483226A CA 2483226 A1 CA2483226 A1 CA 2483226A1
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CA
Canada
Prior art keywords
cor
cors
rotation
disc
artificial
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
CA002483226A
Other languages
French (fr)
Other versions
CA2483226C (en
Inventor
Bret A. Ferree
David Tompkins
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.)
Spinecore Inc
Original Assignee
Spinecore, Inc.
Bret A. Ferree
David Tompkins
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Filing date
Publication date
Application filed by Spinecore, Inc., Bret A. Ferree, David Tompkins filed Critical Spinecore, Inc.
Publication of CA2483226A1 publication Critical patent/CA2483226A1/en
Application granted granted Critical
Publication of CA2483226C publication Critical patent/CA2483226C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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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    • 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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    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
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Abstract

This invention improves upon prior aft total disc replacements (TDRs) by more closely replicating the kinematics of a natural disc. The preferred embodiments feature two or more fixed centers of rotation (CORs) and an optional variable COR (VCOR) as the artificial disk replacement (ADR) translates from a fixed posterior COR that lies posterior to the COR of the TDR to facilitate normal disc motion. The use of two or more CORs allows more flexion and more extension than permitted by the facet joints and the artificial facet (AF). AF joint-like components may also be incorporated into the design to restrict excessive translation, rotation, and/or lateral bending.
CA002483226A 2002-04-23 2003-04-23 Artificial disc replacements with natural kinematics Expired - Fee Related CA2483226C (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US37474702P 2002-04-23 2002-04-23
US60/374,747 2002-04-23
US44595803P 2003-02-07 2003-02-07
US60/445,958 2003-02-07
US44964203P 2003-02-24 2003-02-24
US60/449,642 2003-02-24
US10/420,423 US6706068B2 (en) 2002-04-23 2003-04-22 Artificial disc replacements with natural kinematics
US10/420,423 2003-04-22
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US10299933B2 (en) 2019-05-28
US20160030193A1 (en) 2016-02-04
US8784492B2 (en) 2014-07-22
JP4382501B2 (en) 2009-12-16
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US20170119545A1 (en) 2017-05-04
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US20180116820A1 (en) 2018-05-03
EP1496818A4 (en) 2007-01-03
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US9168146B2 (en) 2015-10-27
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US6706068B2 (en) 2004-03-16
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WO2003090649A1 (en) 2003-11-06
AU2003228655B9 (en) 2008-03-13
US9877841B2 (en) 2018-01-30
US20030199981A1 (en) 2003-10-23
US20050228497A1 (en) 2005-10-13
US9572679B2 (en) 2017-02-21
US8366772B2 (en) 2013-02-05
US20130131813A1 (en) 2013-05-23

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