Cordless surgical handpiece with disposable battery; and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 3, 2000
Grant Date -
N/A
app pub date -
Jul 8, 1999
filing date -
Dec 16, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgical procedure is disclosed utilizing a cordless surgical handpiece powered from a sterile battery pack that contains a battery in condition for immediate use without further charging or sterilization. The battery chemistry is based upon lithium/manganese dioxide, and the battery after a single use may be disposed of into non-hazardous waste. The compact surgical handpiece has a brushless DC motor and a manually operated external trigger for activating and controlling the motor operations. Interengaging sets of contacts on the handpiece and battery are adapted to become lockingly and conductively interengaged upon rotation of the battery pack relative to the handpiece, in a manner that rapidly achieves correct alignment of the parts and also ensures stable mechanical attachment and support during the surgical procedure.
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