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SPINAL TISSUE DISTRACTION DEVICES

  • US 20130190880A1
  • Filed: 03/12/2013
  • Published: 07/25/2013
  • Est. Priority Date: 08/16/2005
  • Status: Active Grant
First Claim
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1. An intravertebral implant for insertion into a vertebral body, comprising:

  • a generally elongated implant having a proximal end portion and a distal end portion;

    the generally elongated implant having a substantially linear insertion configuration for insertion into the vertebral body and a generally helical implanted configuration defining a vertically extending generally helical support structure that includes a plurality of vertically adjacent windings, wherein the vertically extending generally helical support structure separates and/or supports tissue of the vertebral body;

    the elongated implant including a longitudinal internal passageway extending between the proximal and distal end portions for directing the flow of bone filler material therethrough, anda plurality of apertures located along an inside wall of the implant, the apertures communicating with the passageway and being open in the implanted configuration to direct the flow of bone filler into an interior of the helical support structure within the vertebral body.

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