CPC A61B 90/39 (2016.02) [A61B 2090/3941 (2016.02); A61B 2090/3966 (2016.02)] | 13 Claims |
1. A single x-ray marker, comprising:
a base member with an embedded radiopaque frame and two or more radiopaque indicia within the radiopaque frame; and
a blocker shield containing radiopaque material for selectively blocking at least one of the two or more radiopaque indicia;
wherein said two or more radiopaque indicia are covered with a chemical protective layer of radiotranslucent and glow in the dark material against the radiopaque material.
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