Laminated sponge device
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United States of America Patent
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Nov 14, 1995
Grant Date -
N/A
app pub date -
Nov 4, 1993
filing date -
Nov 4, 1993
priority date (Note) -
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Abstract
A surgical device constructed of a polyvinyl acetal sponge body constructed with an average pore diameter ranging from about 0.02 to about 1.2 mm and opposite sides laminated with a surface film layer of about 0.0015 inches thick. The laminate surface film layer is perforated with a plurality of holes allowing access to the body of the surgical device having a diameter ranging from about 0.1 to about 0.7 mm allowing absorbtion of fluid through the laminate layer into the sponge body of the device.
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