Patent ID: 11963829
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A  G | IPC A  G

Claim 0:
1. A fiducial marker adapted to be screwed into a jawbone via a tool, the fiducial marker comprising:
a screw being elongate to define a longitudinal axis that is perpendicular to a radial direction;
a head on the screw, the head defining a socket, the screw and the head being of a monolithic piece of a first material that is radiopaque, the first material consisting mostly of a metal;
a marker body being formed of a mixed material, wherein components of the mixed material include a polymeric binder and a filler material, the proportion of the components being the same throughout any given sample of the mixed material, the filler material being 20% to 70% by volume of the mixed material, the filler material being more than twice as dense as the polymeric binder, the mixed material having a density of 1.8 to 2.9 grams per cubic centimeter, the mixed material of the marker body being less radiopaque than the first material of the screw; and
an extension extending from the marker body, the socket being of a size and shape to receive selectively the tool and the extension, the tool matingly engaging the socket when the tool is disposed within the socket.