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Cement-directing orthopedic implants

  • US 8,100,973 B2
  • Filed: 09/30/2008
  • Issued: 01/24/2012
  • Est. Priority Date: 04/15/2004
  • Status: Active Grant
First Claim
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1. A method of treating a vertebral body comprising the steps of:

  • creating a cavity in a vertebral body;

    inserting a collapsible multi-layered braided mesh structure into the cavity, wherein (i) the multi-layered braided mesh structure comprises at least one primary member and at least one secondary member, (ii) the secondary member has been removed in at least one region of the mesh structure to form at least one cement flow window therethrough, and (iii) the primary member remains over the at least one cement flow window; and

    injecting a bone cement into the braided mesh structure, wherein the bone cement flows preferentially out of the braided mesh structure through the at least one flow window.

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