Surgical stapling apparatus
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United States of America Patent
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Feb 5, 2013
Grant Date -
Sep 8, 2011
app pub date -
Apr 29, 2011
filing date -
Mar 31, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A loading unit for use with a surgical stapling apparatus is provided and includes: a tool assembly having a cartridge assembly and an anvil assembly that are movable in relation to one another; a surgical buttress releasably secured to a tissue contacting surface of the anvil assembly and/or the cartridge assembly, wherein the surgical buttress secured to the anvil assembly is secured by at least one anchor; and a drive assembly slidably translatable through the tool assembly between proximal and distal positions. The anvil assembly has pairs of side recesses, at least one of which is a keyhole-shaped, or has an enlarged head portion.
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