Anvil assembly with improved cut ring
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United States of America Patent
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Feb 24, 2009
Grant Date -
Sep 22, 2005
app pub date -
Mar 16, 2005
filing date -
Mar 19, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An anvil assembly for use with a surgical stapler is provided. The anvil assembly includes a cut ring assembly having a body and a cover. The cover has a first layer of material having a first hardness to allow penetration by a knife of a surgical stapler and at least one additional layer of material having a second hardness greater than the first hardness to minimize penetration of the cover by a knife of a surgical stapler.
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