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Radiopaque core

  • US 8,662,684 B2
  • Filed: 02/29/2012
  • Issued: 03/04/2014
  • Est. Priority Date: 11/30/2011
  • Status: Active Grant
First Claim
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1. A device comprising a retro-reflective marker sphere comprising:

  • a core ball comprising;

    a generally spherical body portion, anda mounting recess extending into the body portion of the core ball, and a retro-reflective covering on the core ball,wherein the retro-reflective covering has an opening aligned with the mounting recess of the core ball,wherein the mounting recess includes one or more interior engagement structures for engaging one or more exterior engagement structures of a mounting post when the retro-reflective marker sphere is mounted on the mounting post, andwherein the core ball is greater than 12% radiopaque.

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