Rotatable cutting implements with friction reducing material for ultrasonic surgical instruments
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United States of America Patent
Stats
-
Aug 30, 2016
Grant Date -
Sep 19, 2013
app pub date -
May 10, 2013
filing date -
Feb 11, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An ultrasonic surgical instrument includes a housing, an ultrasonic transducer assembly rotatably supported within said housing and communicating with a source of ultrasonic electrical signals, a motor within said housing and communicating with a source of motor drive signals, said motor coupled to said ultrasonic transducer assembly for applying rotational motion thereto, a horn coupled to said ultrasonic transducer assembly, an outer sheath coupled to said housing, said outer sheath including a distal portion, and a blade operably coupled to said horn, said blade rotatably supported relative to said outer sheath, wherein said blade includes an outer sheath contacting surface, wherein said distal portion of said outer sheath includes a blade contacting surface, and wherein at least one of said outer sheath contacting surface and said blade contacting surface includes a friction reducing material.
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