Surgical sponge device
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United States of America Patent
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Sep 17, 1996
Grant Date -
N/A
app pub date -
Oct 1, 1993
filing date -
Oct 1, 1993
priority date (Note) -
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Abstract
A surgical device constructed of a polyvinyl acetal having a body constructed with an average pore diameter ranging from about 0.02 to about 1.2 mm and a fused surface layer of about 0.25 min. The fused surface layer is substantially closed and has a pore diameter ranging from about 0.01 to about 0.45 mm allowing absorption of fluid into the body of the device.
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