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United States of America Patent
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Jun 2, 1987
Grant Date -
N/A
app pub date -
Jul 2, 1985
filing date -
Jul 2, 1985
priority date (Note) -
Expired
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Abstract
A multi-ply sheet having a center ply support matrix in which the radio opaque compound barium sulfate is distributed as a powder and is supported by the matrix. The barium sulfate is present in an amount sufficient to block scatter radiation produced by the medical radiology procedures. A base ply of a thin liquid impervious polyethylene material is fastened to one side of the support matrix ply. A third ply is composed of a typical absorptive surgical drape material and is fastened to the other side of the support matrix ply.
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