Handpiece for ultrasonic medical devices including seal for mechanical isolation of ultrasonic driver assembly
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United States of America Patent
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-
Aug 5, 2014
Grant Date -
Aug 11, 2011
app pub date -
Dec 10, 2010
filing date -
Dec 10, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Described are embodiments including methods and devices for venting a handpiece of a medical device. These embodiments provide a vent for the handpiece. A porous membrane is positioned over an opening of the vent to allow gas, including steam, to enter and escape from the handpiece and prevent liquids from entering the handpiece. Other embodiments include methods and devices for holding an ultrasonic driver assembly within a handpiece and preventing the ultrasonic driver assembly from rotating within the handpiece. These embodiments include positioning the ultrasonic driver assembly such that the ultrasonic driver assembly is held in place at a node of the ultrasonic driver assembly and an anti-rotation mechanism is also located at the node.
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