Filing Information

Inventor(s)	Marc Peterman ·
Assignee(s)	SDGI Holdings, Inc. ·  View assignee updates
Correspondent	HAYNES AND BOONE, LLP ·
Application Number	US10839100
Filing date	05/05/2004
Publication date	11/10/2005
Predicted expiration date	05/05/2024
U.S. Classifications	623/17.14  · 623/908  ·
International Classifications	--
Kind Code	A1

Patent Family

Abstract

A prosthetic device for lateral insertion into an intervertebral space is provided. The device includes a first component for engaging a first vertebral body, a second component for engaging a second vertebral body, and an articulation member positioned between the first and second components. The first and second components each have a length that extends upon cortical bone of opposing sides of an apophyseal ring of the corresponding vertebral body and a width that is smaller than the length. A ratio of length to width for each of the first and second components can be in the range of 1.3:1 to 1.7:1.

Independent Claims | See all claims (30)

1. 1. A prosthetic device for lateral insertion into an intervertebral space, comprising a first component for engaging a first vertebral body, a second component for engaging a second vertebral body, and an articulation member positioned between the first and second components to permit articulating motion between the first and second components, wherein the first and second components each have a length that extends upon cortical bone of opposing sides of an apophyseal ring of the corresponding vertebral body and a width that is smaller than the length.
2. 22. A prosthetic device for lateral insertion into an intervertebral space, comprising a first component having a means for laterally engaging a first vertebral body during lateral insertion therein, and a second component having a means for laterally engaging a second vertebral body during lateral insertion therein, wherein one of the first and second components comprises a projection and the other of the first and second components comprises a recess, the projection engaging the recess to provide articulating motion between the first and second components, and wherein the first and second components each have a length that extends upon cortical bone of opposing sides of an apophyseal ring of the corresponding vertebral body and a width that is shorter than an inside diameter of the apophyseal ring of the corresponding vertebral body.
3. 25. A prosthetic device for lateral insertion into an intervertebral space, comprising a first component for engaging a first vertebral body, a second component for engaging a second vertebral body, wherein the first and second components are configured to support relative movement when engaged in their respective vertebral bodies, and wherein the first component has a length that extends upon cortical bone of opposing sides of the corresponding vertebral body and curved longitudinal sides configured to allow the first component to extend upon the cortical bone of opposing sides at a plurality of different insertion angles.
4. 27. A surgical method comprising: creating a window at a lateral approach to an intervertebral space between adjacent vertebral bodies, the window having a width that is less than an inside diameter of an apophyseal ring of either vertebral body, providing a motion preserving prosthetic device having a length that is greater than the inside diameter of the apophyseal ring of both vertebral bodies and having a width substantially equal to or less than the width of the window; and inserting the motion preserving prosthetic device through the window and into the intervertebral space.