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US6576017: Spinal implant with attached ligament and methods

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Filing Information

Inventor(s) Kevin T. Foley · T. Andrew Simonton · Craig M. Squires ·
Assignee(s) SDGI Holdings, Inc. ·
Attorney/Agent(s) Woodard, Emhardt, Moriarty, McNett & Henry LLP ·
Primary Examiner Eduardo C. Robert ·
Application Number US9777797
Filing date 02/06/2001
Issue date 06/10/2003
Prior Publication Data
Predicted expiration date 02/06/2021
U.S. Classifications 623/171.6  ·
International Classifications --
Kind CodeB2
International Classifications 606 61 · 606 69 · 606 71 · 606 70 · 623 1716 · 623 1715 · 623 1711 · 24155 ·
26 Claims, 3 Drawings


Abstract

Implantable devices are provided useful for creating fusion particularly in intervetebral spinal fusion. The device is formed of any rigid biocompatible material and has a body portion with an attached ligament extending from the body portion. The ligament can extend upwardly from the body portion and downwardly from the body portion, and is made from a flexible material. In one application, the body portion is inserted into a disc space and the flexible ligament is secured to vertebrae on either side of the disc space.

Independent Claims | See all claims (26)

  1. 1. A spinal system, comprising: a first implant including: a first body portion positionable in a disc space between adjacent upper and lower vertebrae; a second implant including: a second body portion positionable in the disc space between adjacent upper and lower vertebrae; and a flexible ligament extending from each of said first body portion and said second body portion and positionable along the upper vertebra and along the lower vertebra when said first body portion and said second body portion are positioned in the disc space, wherein said flexible ligament is made from a flexible material.
  2. 14. A method of fusing adjacent vertebrae through a disc space between adjacent vertebrae, comprising: providing a hollow implant having a body portion with an upper bearing surface and opposite lower bearing surface, the implant further including a flexible ligament securable to the body portion; placing bone growth material in the hollow implant; accessing the disc space between adjacent vertebrae; inserting the body portion of the implant into the disc space; providing a second implant having a body portion with an upper bearing surface and opposite lower bearing surface; inserting the body portion of the second implant into the disc space; securing the flexible ligament to the body portion of the hollow implant and the body portion of the second implant; and securing the flexible ligament to one of the adjacent vertebrae.
  3. 20. A method of preparing a spinal implant, comprising: providing a first body portion and a second body portion adapted for insertion in a spinal disc space between adjacent first and second vertebrae; providing bone engaging surfaces on the first and second body portions; inserting the first and second and body portions in the spinal disc space; and attaching a flexible ligament to the first and second body portions, said flexible ligament including a first portion extending from the first and second body portions in a first direction for attachment to the first vertebra and a second portion extending from the first and second body portions in a second direction for attachment to the second vertebra.

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