Surgical stapler with tissue gripping ridge
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United States of America Patent
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-
Sep 26, 1995
Issued Date -
N/A
app pub date -
Dec 5, 1994
filing date -
Jan 21, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved surgical stapler is disclosed having a tissue gripping ridge on at least one of the tissue contacting surfaces. The tissue contact surfaces are preferably displayed on both the anvil and the cartridge surfaces of the surgical stapler. The tissue gripping ridges preferably have serrated surfaces which mesh when in contact with each other to hold the tissue. The preferred embodiment of this invention describes the tissue gripping ridges along the periphery of the anvil and cartridge tissue contact surfaces. Another embodiment describes the tissue gripping ridges adjacent to the longitudinal knife slot.
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Family
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