Surgical cutting device with safety interlock
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United States of America Patent
Stats
-
Mar 11, 1997
Issued Date -
N/A
app pub date -
Apr 30, 1996
filing date -
Dec 13, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgical cutting device having a powered handpiece adapted to receive a cutting blade. The cutting blade is locked to the drive shaft by a locking ball holding member which is locked in place by a cylindrical cam ring which urges the balls of the locking device into corresponding notches in the blade. A second locking ball holding member is provided on the housing of the handpiece to lock the cylindrical cam ring itself. A blade guard extends from the cylindrical cam ring to produce a surgical cutting device having an improved safety feature which prevents its operation without the guard in proper position.
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