A device used in radiology to superimpose accurate measurements of length (i.e., inches or millimetres) onto an x-ray film so that these measurements remain as a permanent feature of that x-ray against the anatomical structure that has been captured. It is ...
A device designed to superimpose a reference grid over an x-ray image during an orthopaedic procedure (e.g., surgery). It is a flat plate made of x-ray translucent material with a grid that is not translucent and therefore shows up on the x-ray image. It is...
A device used in an orthopaedic clinical setting to establish an accurate measurement of length or size related to a bone structure (i.e., length, thickness, or other aspects) when this is being viewed by the surgeon during fluoroscopy. It is a smooth-edged...