Surgical stapling device with multiple stacked actuator wedge cams for driving staple drivers
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United States of America Patent
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-
Mar 10, 2009
Grant Date -
Nov 15, 2007
app pub date -
Feb 28, 2007
filing date -
Aug 31, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A surgical stapling device. Stapling device may comprise an end effector and a plurality of stacked actuatable wedge band sets. Each stacked wedge band set comprises at least two different-level wedge bands for axially traversing the end effector. Each wedge band comprises a wedge cam at its distal end for driving certain ones of the staple drivers when the wedge band is actuated. A first of the two wedge bands in the stacks rides on a second of the two wedge bands in the stacks such that the staple drivers are driven in successive stages by the at least two wedge bands when the wedge bands are driven in succession. The cumulative height of a first of the plurality of stacked wedge band sets is less than a cumulative height of a second of the plurality of stacked wedge band sets.
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