Full spine shielding means

摘要

A shielding or masking device for use in conjunction with an X- ray radiation generating source comprised of radiopaque material having a vertically oriented opening having a broader portion twice the width of the upper, narrower portion nearer its distal or lower end to block entirely or confine radiation dosage to a specific area of a subject under observation or inspection and to prevent unnecessary and excessive radiation dosages to the subject during full spine radiographs.