Intervertebral disc replacement prosthesis

Overview

Information

Number: 6579321
Application: 09/572057
Filing date: 05/17/2000
Issue date: 06/17/2003
Inventor(s): Jeffrey D. Gordon, John M. Dawson

US Classification: 623/17.11; 623/17.16

Citations

NA (2)

Number	Title	Issue Date
5895428	Load bearing spinal joint implant	1999/04/20
6117174	Spinal implant device	2000/09/12

SYNTHES (1)

Number	Title	Issue Date
6395035	Strain regulating fusion cage for spinal fusion surgery	2002/05/28

Howmedica Osteonics (1)

Number	Title	Issue Date
6136031	Artificial intervertebral disc	2000/10/24

Gordon, Maya, Roberts and Thomas, Number 1, (1)

Number	Title	Issue Date
6146421	Multiple axis intervertebral prosthesis	2000/11/14

Abstract

Abstract

An implantable intervertebral disc prosthesis that comprises a disc member having an upper surface, a lower surface, and a perimeter surface. The disc includes an axis at least one slit defined in the perimeter surface; the slit being of sufficient depth and thickness to provide flexure. The slit terminates in a perimeter opening larger than the slit thickness. The perimeter opening (i.e., hole) acts as a pivot point and relieves stress. The disc prosthesis optionally comprises a cavity with an upper seat defined on the lower surface, a lower disc having an upper and lower surface and a lower seat defined on the upper surface, and a support ball. The support ball engages the seat on the upper disc and the seat on the lower disc.

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Number	Title
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Number	Title	Issue Date
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Vanderbilt University (2)

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MEDTRONIC EUROPE SARL (1)

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Spinevision (1)

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linares miguel a (1)

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JOINT SYNERGY, , A FLORIDA (1)

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POINTILLART, VINCENT, DR. (1)

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Choice Spine, LP (1)

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EIT EMERGING IMPLANT TECHNOLOGIES GMBH (1)

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Tech Analysis

Class	Subclass	Type	Reference Factor	Citation Factor	Strength	Grant time	Early grant (%)
623	17.11	Emerging	Novel	Seminal	High	Average	53.7
623	17.16	Emerging	Novel	Seminal	High	Average	51.6