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Method of treating spinal internal disk derangement

  • US 8,951,255 B2
  • Filed: 03/08/2013
  • Issued: 02/10/2015
  • Est. Priority Date: 08/30/2004
  • Status: Active Grant
First Claim
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1. A method of treating a spinal disk comprising:

  • identifying a disk for removal in a fusion surgical operation;

    performing a preoperative discography procedure on one or more spinal disks adjacent to the disk identified for removal; and

    delivering an agent to a nucleus pulposus of one or more spinal disks adjacent to the disk for removal through at least one aperture present in the one or more spinal disks adjacent to the disk for removal created during the discography procedure, wherein the agent comprises a plurality of microparticles of an inert histocompatible polymer suspended in a medium comprising collagen.

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