Cutting mechanisms for surgical end effector assemblies, instruments, and systems
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United States of America Patent
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Jun 16, 2020
Grant Date -
Feb 8, 2018
app pub date -
Jul 6, 2017
filing date -
Aug 2, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An end effector assembly configured for use with a surgical instrument or surgical system includes first and second jaw members each including an outer jaw housing, a tissue-treating plate, and a longitudinally-extending channel therethrough. At least one of the first or second jaw members is pivotable relative to the other between a spaced-apart position and an approximated position. A cutting mechanism is configured to cut tissue grasped between the jaw members. The cutting mechanism may include an activation member coupled to a knife and configured to advance the knife transversely between the jaw members, a heat-activated elongated sheet configured to un-roll to advance a cutting edge thereof transversely between the jaw members, or a clutch and spring mechanism configured to deploy a knife longitudinally between the jaw members.
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