Controlling compression applied to tissue by surgical tool
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United States of America Patent
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Jan 22, 2013
Issued Date -
N/A
app pub date -
Feb 5, 2010
filing date -
Mar 9, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An exemplary surgical apparatus may include a staple holder and an anvil connected to the staple holder, where the anvil includes an anvil body and an anvil plate that floats relative to the anvil body. Another exemplary surgical apparatus may include a staple holder, an anvil connected to the staple holder, and at least one sensor fixed to at least one of the staple holder and the anvil, where at least one sensor is configured to measure stress and/or strain. An exemplary surgical method for treating tissue may include providing an end effector that includes a staple holder and an anvil connected to the staple holder, closing the end effector onto tissue, exerting force on that tissue during closing, and adjusting the gap between the anvil and staple holder during closing along at least a portion of the anvil.
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